LOEWS CORP, 10-K filed on 2/10/2026
Annual Report
v3.25.4
Cover - USD ($)
12 Months Ended
Dec. 31, 2025
Feb. 06, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-06541    
Entity Registrant Name LOEWS CORP    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 13-2646102    
Entity Address, Address Line One 9 West 57th Street    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10019-2714    
City Area Code 212    
Local Phone Number 521-2000    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol L    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 15,362,000,000
Entity Common Stock, Shares Outstanding   206,052,874  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement for the 2026 annual meeting of shareholders, intended to be filed by the registrant with the Commission not later than 120 days after the close of its fiscal year, are incorporated by reference into Part III of this Report.
   
Entity Central Index Key 0000060086    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
v3.25.4
Audit Information
12 Months Ended
Dec. 31, 2025
Audit Information [Abstract]  
Auditor Name DELOITTE & TOUCHE LLP
Auditor Location New York, New York
Auditor Firm ID 34
v3.25.4
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Investments:    
Fixed maturities, amortized cost of $45,250 and $44,196, less allowance for credit loss of $69 and $45 $ 43,984 $ 41,827
Equity securities, cost of $1,201 and $969 1,292 1,064
Limited partnership investments 2,861 2,520
Other invested assets, primarily mortgage loans, less allowance for credit loss of $15 and $35 1,195 1,113
Short-term investments 6,044 4,606
Total investments 55,376 51,130
Cash 495 541
Receivables 10,983 10,522
Property, plant and equipment 10,695 10,738
Goodwill 349 347
Deferred non-insurance warranty acquisition expenses 3,220 3,525
Deferred acquisition costs of insurance subsidiaries 986 959
Other assets 4,244 4,181
Total assets 86,348 81,943
Insurance reserves:    
Claim and claim adjustment expense 26,599 24,976
Future policy benefits 13,448 13,158
Unearned premiums 7,635 7,346
Total insurance reserves 47,682 45,480
Payable to brokers 53 110
Short-term debt 1,052 5
Long-term debt 8,437 8,939
Deferred income taxes 839 550
Deferred non-insurance warranty revenue 4,138 4,530
Other liabilities 4,506 4,392
Total liabilities 66,707 64,006
Commitments and contingent liabilities
Shareholders’ equity:    
Preferred stock
Common stock 2 2
Additional paid-in capital 2,374 2,490
Retained earnings 17,377 16,459
Accumulated other comprehensive loss (1,067) (1,867)
Shareholders' equity before treasury stock, total 18,686 17,084
Less treasury stock, at cost (0 and 212,251 shares) 0 (18)
Total shareholders’ equity 18,686 17,066
Noncontrolling interests 955 871
Total equity 19,641 17,937
Total liabilities and equity $ 86,348 $ 81,943
v3.25.4
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Investments:    
Fixed maturities, amortized cost $ 45,250 $ 44,196
Fixed maturities, allowance for credit loss 69 45
Equity securities, cost 1,201 969
Other invested assets, primarily mortgage loans, allowance for credit loss $ 15 $ 35
Shareholders’ equity:    
Preferred stock, par value (in dollars per share) $ 0.10 $ 0.10
Preferred stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 1,800,000,000 1,800,000,000
Common stock, shares issued (in shares) 206,003,999 214,912,595
Treasury stock, shares (in shares) 0 212,251
v3.25.4
CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenues:      
Insurance premiums $ 10,900 $ 10,211 $ 9,480
Net investment income 2,779 2,780 2,395
Investment losses (81) (81) (53)
Non-insurance warranty revenue 1,577 1,609 1,624
Operating revenues and other 3,279 2,991 2,455
Total 18,454 17,510 15,901
Expenses:      
Insurance claims and policyholders’ benefits (re-measurement loss of $104, $125, and $88) 8,294 7,738 7,068
Amortization of deferred acquisition costs 1,898 1,798 1,644
Non-insurance warranty expense 1,526 1,547 1,544
Operating expenses and other 4,090 4,170 3,393
Equity method income (74) (58) (120)
Interest 437 441 376
Total 16,171 15,636 13,905
Income before income tax 2,283 1,874 1,996
Income tax expense (511) (380) (451)
Net income 1,772 1,494 1,545
Amounts attributable to noncontrolling interests (105) (80) (111)
Net income attributable to Loews Corporation $ 1,667 $ 1,414 $ 1,434
Basic net income per share (in dollars per share) $ 7.98 $ 6.42 $ 6.30
Diluted net income per share (in dollars per share) $ 7.97 $ 6.41 $ 6.29
Basic weighted average number of shares outstanding (in shares) 208,960 220,260 227,480
Diluted weighted average number of shares outstanding (in shares) 209,100 220,530 227,810
v3.25.4
CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Statement [Abstract]      
Re-measurement loss of insurance claims and policyholders’ benefits $ (104) $ (125) $ (88)
v3.25.4
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of Comprehensive Income [Abstract]      
Net income $ 1,772 $ 1,494 $ 1,545
Other comprehensive income (loss), after tax      
Net unrealized losses on investments with an allowance for credit losses (2) (1) (5)
Net unrealized gains (losses) on other investments 887 (262) 1,125
Total unrealized gains (losses) on investments 885 (263) 1,120
Impact of changes in discount rates used to measure long-duration contract liabilities (161) 712 (318)
Unrealized losses on cash flow hedges (7) (5)
Pension and postretirement benefits 14 340 104
Foreign currency translation 144 (102) 60
Other comprehensive income (loss) 875 687 961
Comprehensive income 2,647 2,181 2,506
Amounts attributable to noncontrolling interests (179) (137) (188)
Total comprehensive income attributable to Loews Corporation $ 2,468 $ 2,044 $ 2,318
v3.25.4
CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
$ in Millions
Total
Cumulative Effect, Period of Adoption, Adjustment
Adjusted Balance
Common Stock
Common Stock
Adjusted Balance
Additional Paid-in Capital
Additional Paid-in Capital
Adjusted Balance
Retained Earnings
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
Retained Earnings
Adjusted Balance
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Adjusted Balance
Common Stock Held in Treasury
Common Stock Held in Treasury
Adjusted Balance
Noncontrolling Interests
Noncontrolling Interests
Adjusted Balance
Balance at beginning of period at Dec. 31, 2022 $ 15,201     $ 2   $ 2,748   $ 14,931     $ (3,320)   $ (12)   $ 852  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                
Net income 1,545             1,434             111  
Other comprehensive income 961                   884       77  
Dividends paid (131)             (57)             (74)  
Purchase of subsidiary stock from noncontrolling interests (202)         27         (61)       (168)  
Purchases of Loews Corporation treasury stock (852)                       (852)      
Retirement of treasury stock 0         (164)   (693)         857      
Stock-based compensation 26         3                 23  
Other (23)         (25)   2              
Balance at end of period at Dec. 31, 2023 16,525     2   2,589   15,617     (2,497)   (7)   821  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                
Net income 1,494             1,414             80  
Other comprehensive income 687                   630       57  
Dividends paid (140)             (55)             (85)  
Purchase of subsidiary stock from noncontrolling interests (20)                           (20)  
Purchases of Loews Corporation treasury stock (617)                       (617)      
Retirement of treasury stock 0         (89)   (517)         606      
Stock-based compensation 19         (1)                 20  
Other (11)         (9)                 (2)  
Balance at end of period at Dec. 31, 2024 17,937 $ 5 $ 17,942 2 $ 2 2,490 $ 2,490 16,459 $ 5 $ 16,464 (1,867) $ (1,867) (18) $ (18) 871 $ 871
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                
Net income 1,772             1,667             105  
Other comprehensive income 875                   801       74  
Dividends paid (138)             (52)             (86)  
Purchase of subsidiary stock from noncontrolling interests (34)         (3)         (1)       (30)  
Purchases of Loews Corporation treasury stock (789)                       (789)      
Retirement of treasury stock 0         (106)   (701)         807      
Stock-based compensation 8         (12)                 20  
Other 5         5   (1)             1  
Balance at end of period at Dec. 31, 2025 $ 19,641     $ 2   $ 2,374   $ 17,377     $ (1,067)   $ 0   $ 955  
v3.25.4
CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]      
Dividends paid (in dollars per share) $ 0.25 $ 0.25 $ 0.25
v3.25.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Activities:      
Net income $ 1,772 $ 1,494 $ 1,545
Adjustments to reconcile net income to net cash provided by operating activities:      
Investment losses 81 81 53
Equity method investees 9 (66) 18
Amortization of investments (208) (200) (191)
Depreciation and amortization 610 583 538
Provision for deferred income taxes 112 (45) 127
Other non-cash items 122 98 109
Changes in operating assets and liabilities, net:      
Receivables (408) (929) (268)
Deferred acquisition costs (17) (69) (85)
Insurance reserves 1,670 2,365 1,667
Other assets 223 417 (88)
Other liabilities (274) (9) (95)
Trading securities (413) (695) 577
Net cash flow provided by operating activities 3,279 3,025 3,907
Investing Activities:      
Purchases of fixed maturities (7,118) (6,353) (6,616)
Proceeds from sales of fixed maturities 2,946 2,793 4,029
Proceeds from maturities of fixed maturities 3,357 2,396 1,334
Purchases of equity securities (593) (444) (293)
Proceeds from sales of equity securities 505 523 317
Purchases of limited partnership investments (447) (335) (402)
Proceeds from sales of limited partnership investments 103 98 231
Purchases of property, plant and equipment (579) (632) (686)
Acquisitions (401)
Change in short-term investments (920) (30) (80)
Other, net (82) 9 (178)
Net cash flow used by investing activities (2,828) (1,975) (2,745)
Financing Activities:      
Dividends paid (52) (55) (57)
Dividends paid to noncontrolling interests (86) (85) (74)
Purchases of Loews Corporation treasury stock (806) (608) (849)
Purchases of subsidiary stock from noncontrolling interests (34) (20) (202)
Principal payments on debt (869) (1,366) (878)
Issuance of debt 1,401 1,294 778
Other, net (67) (58) (18)
Net cash flow used by financing activities (513) (898) (1,300)
Effect of foreign exchange rate on cash 16 (10) 5
Net change in cash (46) 142 (133)
Cash, beginning of year 541 399 532
Cash, end of year $ 495 $ 541 $ 399
v3.25.4
Summary of Significant Accounting Policies
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]  
Summary of Significant Accounting Policies Summary of Significant Accounting Policies
Basis of presentation − Loews Corporation is a holding company. Its consolidated operating subsidiaries are engaged in the following lines of business: commercial property and casualty insurance (CNA Financial Corporation (“CNA”), an approximately 92% owned subsidiary); transportation and storage of natural gas and natural gas liquids, olefins and other hydrocarbons (Boardwalk Pipeline Partners, LP (“Boardwalk Pipelines”), a wholly owned subsidiary) and the operation of a chain of hotels (Loews Hotels Holding Corporation (“Loews Hotels & Co”), a wholly owned subsidiary). Unless the context otherwise requires, as used herein, the term “Company” means Loews Corporation including its subsidiaries, the term “Parent Company” means Loews Corporation excluding its subsidiaries and the term “Net income (loss) attributable to Loews Corporation” means Net income (loss) attributable to Loews Corporation shareholders.

Accounting estimates and principles of consolidation – The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported on the consolidated financial statements and the related notes. Actual results could differ from those estimates. The Consolidated Financial Statements include all subsidiaries and intercompany accounts and transactions have been eliminated.

Investments – Fixed maturity securities are classified as either available-for-sale or trading, and in both cases, they are carried at fair value. Short-term investments are carried at fair value. Changes in fair value of trading securities are reported within Net investment income on the Consolidated Statements of Operations. Changes in fair value of available-for-sale securities are reported as a component of Other comprehensive income.

The cost of fixed maturity securities classified as available-for-sale is adjusted for amortization of premiums and accretion of discounts, which are included in Net investment income on the Consolidated Statements of Operations. The amortization of premium and accretion of discount for fixed maturity securities takes into consideration call and maturity dates that produce the lowest yield.

For asset-backed securities included in fixed maturity securities, income is recognized using an effective yield based on anticipated prepayments and the estimated economic life of the securities. When estimates of prepayments change, the effective yield is recalculated to reflect actual payments to date and anticipated future payments predominantly using the retrospective method.

Equity securities are carried at fair value. Non-redeemable preferred stock investments contain characteristics of debt securities, are priced similarly to bonds and are held primarily for income generation through periodic dividends. While recognition of gains and losses on these securities is not discretionary, the changes in fair value of non-redeemable preferred stock are not considered to be reflective of its primary operations. As such, the changes in the fair value of these securities are recorded through Investment gains (losses) on the Consolidated Statements of Operations. Common stock is owned with the intention of holding the securities primarily for market appreciation and as such, the changes in the fair value of these securities are recorded through Net investment income (loss).

Carrying value of investments in limited partnerships is the owner’s share of the net asset value of each partnership, as determined by the general partner. The majority of the Company’s limited partnerships are reported on a lag, primarily three months or less, as results are not available on a timely basis. These investments are accounted for under the equity method and changes in net asset values are recorded within Net investment income on the Consolidated Statements of Operations.

Mortgage loans are commercial in nature, are carried at unpaid principal balance, net of unamortized fees and an allowance for expected credit losses, and are recorded once funded. The allowance for expected credit losses on mortgage loans is developed by assessing the credit quality of pools of mortgage loans in good standing using debt service coverage ratios (“DSCR”) and loan-to-value (“LTV”) ratios. The DSCR compares a property’s net operating income to its debt service payments, including principal and interest. The LTV ratio compares the current unpaid principal balance of the loan to the estimated fair value of the underlying property collateralizing the loan. The pools developed to measure the credit loss allowance use increments of DSCR and LTV to draw distinctions between risk levels. Expected credit loss rates are applied by pool to the outstanding receivable balances. Changes in the allowance for mortgage loans are presented as a component of Investment gains (losses) on the Consolidated Statements of Operations. Mortgage loans are included in Other invested assets on the Consolidated Balance Sheets. Interest income from mortgage loans is recognized on an accrual basis using the effective yield method.
Investments in derivative securities are carried at fair value with changes in fair value reported as a component of Investment gains (losses), Net investment income or Other comprehensive income (loss), depending on their hedge designation. A derivative is typically defined as an instrument whose value is “derived” from an underlying instrument, index or rate, has a notional amount, requires little or no initial investment and can be net settled. Derivatives include the following types of investments: interest rate swaps, interest rate caps and floors, put and call options, warrants, futures, forwards, commitments to purchase securities, credit default swaps and combinations of the foregoing. Derivatives embedded within non-derivative instruments (such as call options embedded in convertible bonds) must be split from the host instrument when the embedded derivative is not clearly and closely related to the host instrument.

An available-for-sale security is impaired if the fair value of the security is less than its cost adjusted for accretion, amortization and allowance for credit losses. When a security is impaired, it is evaluated to determine whether there is an intent to sell the security before recovery of amortized cost or whether a credit loss exists. Losses on securities that are intended to be sold are recognized as impairment losses within Investment gains (losses) on the Consolidated Statements of Operations. If a credit loss exists, an allowance is established and the corresponding amount is recognized as an impairment loss within Investment gains (losses) on the Consolidated Statements of Operations. The allowance for credit losses related to available-for-sale fixed maturity securities is the difference between the present value of cash flows expected to be collected and the amortized cost basis. In subsequent periods, the allowance is reviewed, with any changes in the allowance presented as a component of Investment gains (losses) on the Consolidated Statements of Operations. Changes in the difference between the amortized cost basis, net of the allowance, and the fair value, are recognized in Other comprehensive income.

Significant judgment is required in the determination of whether an impairment loss has occurred for a security. A consistent and systematic process is followed for determining and recording an impairment loss, including the evaluation of securities in an unrealized loss position and securities with an allowance for credit losses on at least a quarterly basis.

The assessment of whether an impairment loss has occurred incorporates both quantitative and qualitative information. A credit loss exists if the present value of cash flows expected to be collected is less than the amortized cost basis. Significant assumptions enter into these cash flow projections including delinquency rates, probable risk of default, loss severity upon a default, over collateralization and interest coverage triggers and credit support from lower level tranches. All available evidence is considered when determining whether an investment requires a credit loss write-down or allowance to be recorded. Examples of such evidence may include the financial condition and near-term and long-term prospects of the issuer, whether the issuer is current with interest and principal payments, credit ratings on the security or changes in ratings over time, general market conditions and industry, sector or other specific factors and whether it is likely that the amortized cost will be recovered through the collection of cash flows.

Credit losses The allowances for credit losses on fixed maturity securities, mortgage loans, reinsurance receivables, insurance receivables and trade receivables are valuation accounts that are reported as a reduction of a financial asset’s cost basis and are measured on a pool basis when similar risk characteristics exist. The allowance is estimated using relevant available information from both internal and external sources. Historical credit loss experience provides the basis for the estimation of expected credit losses and adjustments may be made to reflect current conditions and reasonable and supportable forecasts. Adjustments to historical loss information are made for additional factors that come to the Company’s attention. This could include significant shifts in counterparty financial strength ratings, aging of past due receivables, amounts sent to collection agencies, or other underlying portfolio changes. Current and forecast economic conditions are considered, using a variety of economic metrics and forecast indices. The sensitivity of expected credit losses relative to changes to the forecast of economic conditions can vary by financial asset class. A reasonable and supportable forecast period is up to 24 months from the balance sheet date. After the forecast period, the Company reverts to historical credit experience. Collateral arrangements such as letters of credit and amounts held in beneficiary trusts to mitigate credit risk are considered in the estimate of the net amount expected to be collected. Amounts are written off against the allowance when determined to be uncollectible.

A policy election has been made to present accrued interest balances separately from the amortized cost basis of assets, and a practical expedient has been elected to exclude the accrued interest from the tabular disclosures for mortgage loans and available-for-sale securities. An election has been made not to estimate an allowance for credit losses on accrued interest receivables. The accrual of interest income is discontinued and the asset is placed on nonaccrual status within 90 days of the interest becoming delinquent. Interest accrued but not received for assets on nonaccrual status is reversed through Net investment income. Interest received for assets that are on nonaccrual status is recognized as payment is received. The asset is returned to accrual status when the principal and interest amounts contractually due are brought current, and future payments are expected. Interest receivables are presented in Receivables on the Consolidated Balance Sheet.
Equity method investments – Loews Hotels & Co has interests in operating joint ventures related to hotel properties over which it exercises significant influence but does not have control over them. Loews Hotels & Co uses the equity method of accounting for these investments, when applicable. The Company also has interests in Altium Packaging LLC (“Altium Packaging”), which is engaged in the manufacture of rigid packaging solutions. Loews Corporation shares certain participating rights related to capital allocation and other decisions with the joint venture partner, therefore, the investment in Altium Packaging is accounted for under the equity method of accounting. The Company’s total investment in entities accounted for under the equity method of accounting, excluding limited partnership investments, was $878 million and $937 million as of December 31, 2025 and 2024 and is reported in Other assets on the Consolidated Balance Sheets. Equity method income for investments accounted for under the equity method of accounting, excluding limited partnerships, was $74 million, $58 million and $120 million for the years ended December 31, 2025, 2024 and 2023 and is reported separately in expenses on the Consolidated Statements of Operations. Equity method investments are reviewed for impairment when changes in circumstances indicate that the carrying value of the asset may not be recoverable. See Note 3 for a discussion of limited partnership investments.

Hedging – The Company formally documents all relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedging transactions. The Company also formally assesses (both at the hedge’s inception and on an ongoing basis) whether the derivatives that are used in hedging transactions have been highly effective in offsetting changes in fair value or cash flows of hedged items and whether those derivatives may be expected to remain highly effective in future periods. When it is determined that a derivative for which hedge accounting has been designated is not (or ceases to be) highly effective, the Company discontinues hedge accounting prospectively. See Note 3 for additional information on the Company’s use of derivatives.

Securities lending activities – The Company lends securities for the purpose of enhancing income or to finance positions to unrelated parties who have been designated as primary dealers by the Federal Reserve Bank of New York. Borrowers of these securities must deposit and maintain collateral with the Company of no less than 100% of the fair value of the securities loaned. United States of America (“U.S.”) Government securities and cash are accepted as collateral. The Company maintains effective control over loaned securities and, therefore, continues to report such securities as investments on the Consolidated Balance Sheets.

Securities lending is typically done on a matched-book basis where the collateral is invested to substantially match the term of the loan. This matching of terms tends to limit risk. In accordance with the Company’s lending agreements, securities on loan are returned immediately to the Company upon notice. Collateral is not reflected as an asset of the Company. There was no collateral held at December 31, 2025 and 2024.

Revenue recognition – Premiums on property and casualty insurance contracts are recognized in proportion to the underlying risk insured and are primarily earned ratably over the term of the policies. Premiums on long-term care contracts are earned ratably over the policy year in which they are due. The reserve for unearned premiums represents the portion of premiums written relating to the unexpired terms of coverage.

Property and casualty contracts that are retrospectively rated or subject to audit premiums contain provisions that result in an adjustment to the initial policy premium depending on the contract provisions. These provisions stipulate the adjustment due to loss experience of the insured during the coverage period, or changes in the level of exposure to insurance risk. For such contracts, CNA estimates the amount of ultimate premiums that it may earn upon completion of the coverage period and recognizes either an asset or a liability for the difference between the initial policy premium and the estimated ultimate premium. CNA either adjusts such estimated ultimate premium amounts during the course of the coverage period based on actual results to date or by conducting premium audits after the policy has expired to determine the final exposure to insured risks. The resulting adjustment is recorded as either a reduction of or an increase to the earned premiums for the period.

Insurance receivables include balances due currently or in the future, including amounts due from insureds related to paid losses under high deductible policies, and are presented at unpaid balances, net of an allowance for doubtful accounts. As of December 31, 2025 and 2024, an allowance for doubtful accounts of $25 million and $26 million for insurance receivables has been established using a loss rate methodology to determine expected credit losses for premium receivables. This methodology uses CNA’s historical annual credit losses relative to gross premium written to develop a range of credit loss rates for each dollar of gross written premium underwritten. Additionally, an expected credit loss for amounts due from insureds under high deductible and retrospectively rated policies is calculated on a pool basis, informed by historical default rate data obtained from major rating agencies. Changes in the allowance are presented as a component of Other operating expenses on the Consolidated Statements of Operations. Amounts are considered past due based on policy payment terms. Insurance receivables and any related allowance are written off after collection efforts are exhausted or a negotiated settlement is reached.
CNA’s non-insurance warranty revenues are primarily generated from separately-priced service contracts that provide mechanical breakdown and other coverages to vehicle or consumer goods owners, which generally provide coverage from one month to ten years. For warranty products where CNA acts as the principal in the transaction, Non-insurance warranty revenue is reported on a gross basis, with amounts paid by customers reported as Non-insurance warranty revenue and commissions paid to agents and dealers reported as Non-insurance warranty expense on the Consolidated Statements of Operations. Additionally, CNA provides warranty administration services for dealer and manufacturer warranty products. Non-insurance revenues are recognized when obligations under the terms of the contract with CNA’s customers are satisfied, which is generally over time as obligations are fulfilled. CNA recognizes non-insurance warranty revenue over the service period in proportion to the actuarially determined expected claims emergence pattern. Customers predominantly pay in full at the inception of the warranty contract. The liability for unearned warranty revenue, reported as Deferred non-insurance warranty revenue on the Consolidated Balance Sheets, represents the unearned portion of revenue in advance of CNA’s performance, including amounts which are refundable upon cancellation.

Contract costs to obtain or fulfill non-insurance warranty contracts with customers are deferred and recorded as Deferred non-insurance warranty acquisition expenses on the Consolidated Balance Sheets. These costs are expected to be recoverable over the term of the contract and are amortized in the same manner the related revenue is recognized. CNA evaluates deferred costs for recoverability including consideration of anticipated investment income. Adjustments to deferred costs, if necessary, are recorded in the current period results of operations.

Boardwalk Pipelines primarily earns revenues by providing transportation and storage services for natural gas and natural gas liquids, olefins and other hydrocarbons (referred to together as “NGLs”) on a firm and interruptible basis and providing ethane supply and transportation services for petrochemical customers in Louisiana and Texas. Boardwalk Pipelines also provides interruptible natural gas parking and lending services. The majority of Boardwalk Pipelines’ operating subsidiaries are subject to Federal Energy Regulatory Commission (“FERC”) regulations and certain revenues collected, under certain circumstances, may be subject to possible refunds to its customers. An estimated refund liability is recorded considering regulatory proceedings, advice of counsel and estimated total exposure. The majority of Boardwalk Pipelines’ revenues are from firm service contracts which are accounted for as a single promise to stand ready each month of the contract term to provide the committed capacity for either transportation or storage services. The transaction price is comprised of a fixed fee based on the capacity reserved plus a usage fee paid on the volume of commodity transported or injected and withdrawn from storage. Both the fixed and the usage fees are allocated to the single performance obligation of providing transportation or storage service and recognized over time as control is passed to the customer. These service contracts can range in term from one to 20 years and are invoiced monthly. For the ethane supply contracts, the purchases and sales are with different counterparties and control transfers at different receipt and delivery points, resulting in the purchases and sales being presented on a gross basis in the Consolidated Statements of Operations.

Loews Hotels & Co provides lodging and related goods and services as well as management and marketing services. Lodging and related revenues are recognized as the guest takes possession of the goods or receives the services. Management and marketing services revenues are recognized as the services are provided and billed on a monthly basis. In addition, Loews Hotels & Co recognizes revenue for the reimbursement of payroll and other expenses as they are incurred on behalf of the owners of joint venture and managed hotel properties.

Claim and claim adjustment expense reserves – Claim and claim adjustment expense reserves, except reserves for structured settlements not associated with asbestos and environmental pollution (“A&EP”) and workers’ compensation lifetime claims, are not discounted and are based on (i) case basis estimates for losses reported on direct business, adjusted in the aggregate for ultimate loss expectations; (ii) estimates of incurred but not reported losses; (iii) estimates of losses on assumed reinsurance; (iv) estimates of future expenses to be incurred in the settlement of claims; (v) estimates of salvage and subrogation recoveries and (vi) estimates of amounts due from insureds related to losses under high deductible policies. Management considers current conditions and trends as well as past CNA and industry experience in establishing these estimates. The effects of inflation, which can be significant, are implicitly considered in the reserving process and are part of the recorded reserve balance. Ceded claim and claim adjustment expense reserves are reported as a component of Receivables on the Consolidated Balance Sheets.

Claim and claim adjustment expense reserves are presented net of anticipated amounts due from insureds related to losses under deductible policies of $1.6 billion and $1.3 billion as of December 31, 2025 and 2024. A significant portion of these amounts are supported by collateral. CNA also has an allowance for uncollectible deductible amounts, which is presented as a component of the allowance for doubtful accounts included in Receivables on the Consolidated Balance Sheets.

Structured settlements have been negotiated for certain property and casualty insurance claims. Structured settlements are agreements to provide fixed periodic payments to claimants. CNA’s obligations for structured settlements not funded by annuities are included in claim and claim adjustment expense reserves and are discounted at a weighted average interest
rate of 6.5% and 6.6% as of December 31, 2025 and 2024. This interest rate is based on the expected yield of the assets that support the reserves and reinvestment assumptions. As of December 31, 2025 and 2024, the discounted reserves for unfunded structured settlements were $432 million and $444 million, net of discount of $505 million and $535 million. For the years ended December 31, 2025, 2024 and 2023, the amount of interest recognized on the discounted reserves of unfunded structured settlements was $32 million, $33 million and $34 million. This interest accretion is presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations but is excluded from the disclosure of prior year loss reserve development.

Workers’ compensation lifetime claim reserves are calculated using mortality assumptions determined through statutory regulation and economic factors. As of December 31, 2025 and 2024, workers’ compensation lifetime claim reserves are discounted at a 3.5% interest rate. As of December 31, 2025 and 2024, the discounted reserves for workers’ compensation lifetime claim reserves were $167 million and $179 million, net of discount of $78 million and $80 million. For the years ended December 31, 2025, 2024 and 2023, the amount of interest accretion recognized on the discounted reserves of workers’ compensation lifetime claim reserves was $6 million, $6 million and $9 million. This interest accretion is presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations, but is excluded from the disclosure of prior year loss reserve development.

Future policy benefit reserves – Future policy benefit reserves are associated with CNA’s run-off long-term care business and relate to policyholders that are currently receiving benefits, including claims that have been incurred but are not yet reported, as well as policyholders that are not yet receiving benefits.

The liability for future policyholder benefits (“LFPB”) is computed using the net level premium method, which incorporates cash flow and discount rate assumptions. Under the net level premium method, the LFPB is equal to the present value of future benefits and claim settlement expenses less the present value of future net premiums. Net premiums are equal to gross premiums multiplied by the Net Premium Ratio (“NPR”). The NPR is generally the ratio of the present value of benefits and expense payments to the present value of gross premiums, expected over the lifetime of the policy. As a result of the modified retrospective adoption of ASU 2018-12, CNA’s NPR calculation incorporates the original locked in discount rate and the reserve balance as of the transition date of January 1, 2021.

The key cash flow assumptions used to estimate the LFPB are morbidity, persistency, premium rate actions and expenses. Morbidity is the frequency and severity of injury, illness, sickness and diseases contracted. Persistency is the percentage of policies remaining in force and can be affected by policy lapses, benefit reductions and death. Premium rate actions are generally subject to regulatory approval, and therefore the exact timing and size of the approved rate increases are unknown. Expense assumptions relate to claim adjudication. The practical expedient was not elected that allows locking in the expense assumption. The carried LFPB discount rate is determined using the upper-medium grade fixed income instrument yield curve.

CNA has elected to update the NPR and the LFPB for actual experience on a quarterly basis. A quarterly assessment is also made as to whether evidence suggests that cash flow assumptions should be updated. Annually, in the third quarter, actuarial analysis is performed on policyholder morbidity, persistency, premium rate actions and expense experience. This analysis, combined with judgment, informs the setting of updated cash flow assumptions used to estimate the LFPB. Actuarial analysis includes predictive modeling, actual to expected experience comparisons and trend analysis. Applicable industry research and current macroeconomic conditions are also considered. The effect of changes in cash flow assumptions and actual variances from expected experience are recorded in the results of operations within Insurance claims and policyholders’ benefits.

Quarterly, to derive the upper-medium grade fixed income instrument yield discount rate assumption, a published spot rate curve constructed from single-A rated U.S. dollar denominated corporate bonds is used. Linear interpolation to determine yield assumptions for tenors that fall between points for which observable rates are available is used. For cash flows that are projected to occur beyond the tenor for which market-observable rates are available, CNA applies judgment to estimate a normative rate which it grades to over 10 years. The effect of changes in discount rate assumptions are recorded in Other comprehensive income (loss).

Quarterly, the updated NPR is used to derive an updated LFPB as of the beginning of the current quarter measured at the original locked in discount rate. The updated LFPB is then compared to the existing carrying amount of the liability as of the same date (measured at the original locked in discount rate) to determine the re-measurement gain (loss), which is presented parenthetically within the Insurance claims and policyholders’ benefits line on the Consolidated Statements of Operations.
Insurance contracts are grouped into cohorts according to issue year. Contracts assumed through reinsurance are generally included within the same cohorts as contracts issued directly, according to issue year. The issue year for assumed contracts is defined according to the date that assumption of insurance risk incepted. For assumed contracts that were reinsured concurrently with the issuance of the underlying direct contract, issue year is defined as the year that the underlying policy was issued. For contracts that were already in-force when assumed, issue year is defined as the year in which the reinsurance agreement incepted. For group long-term care business, issue year is defined as the year the individual insurance certificate was issued. Long-term care is CNA’s only long-duration product line, therefore, cohorts are not further disaggregated by product.

Insurance-related assessments – Liabilities for insurance-related assessments are accrued when an assessment is probable, when it can be reasonably estimated and when the event obligating the entity to pay an imposed or probable assessment has occurred. Liabilities for insurance-related assessments are not discounted and are included as part of Other liabilities on the Consolidated Balance Sheets. As of December 31, 2025 and 2024, the liability balances were $89 million and $86 million.

Reinsurance – Reinsurance accounting allows for contractual cash flows to be reflected as premiums and losses. To qualify for reinsurance accounting, reinsurance agreements must include risk transfer. To meet risk transfer requirements, a reinsurance contract must include both insurance risk, consisting of underwriting and timing risk, and a reasonable possibility of a significant loss for the assuming entity.

Reinsurance receivables related to paid losses are presented at unpaid balances. Reinsurance receivables related to unpaid losses are estimated in a manner consistent with claim and claim adjustment expense reserves or future policy benefit reserves. Reinsurance receivables are reported net of an allowance for doubtful accounts on the Consolidated Balance Sheets. The cost of reinsurance is primarily accounted for over the life of the underlying reinsured policies using assumptions consistent with those used to account for the underlying policies or over the reinsurance contract period. The ceding of insurance does not discharge the primary liability of CNA.

As of December 31, 2025 and 2024, an allowance for doubtful accounts of $27 million and $21 million have been established for each year for reinsurance receivables, which relates to both amounts already billed on ceded paid losses as well as ceded reserves that will be billed when losses are paid in the future. For assessing expected credit losses, CNA separates reinsurance receivables into two pools: voluntary reinsurance receivables and involuntary receivables related to mandatory pools. CNA has not recorded an allowance for involuntary pools as there is no perceived credit risk. The principal credit quality indicator used in the valuation of the allowance on voluntary reinsurance receivables is the financial strength rating of the reinsurer sourced from major rating agencies. If the reinsurer is unrated, an internal financial strength rating is assigned based on CNA’s historical loss experience and the assessment of the reinsurance counterparty’s risk profile, which generally corresponds with a B rating. Reinsurer financial strength ratings are updated and reviewed on an annual basis or sooner if CNA becomes aware of significant changes related to a reinsurer. The allowance for doubtful accounts on reinsurance receivables is estimated on the basis of periodic evaluations of balances due from reinsurers, reinsurer financial strength rating and solvency, industry experience and current and forecast economic conditions. Because billed receivables generally approximate 8% or less of total reinsurance receivables, the age of the reinsurance receivables related to paid losses is not a significant input into the allowance analysis. Changes in the allowance for doubtful accounts on reinsurance receivables are presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations.

Amounts are considered past due based on the reinsurance contract terms. Reinsurance receivables related to paid losses and any related allowance are written off after collection efforts have been exhausted or a negotiated settlement is reached with the reinsurer. Reinsurance receivables from insolvent insurers related to paid losses are written off when the settlement due from the estate can be reasonably estimated. At the time reinsurance receivables related to paid losses are written off, any required adjustment to reinsurance receivables related to unpaid losses is recorded as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations.

A loss portfolio transfer is a retroactive reinsurance contract. If the cumulative claim and allocated claim adjustment expenses ceded under a loss portfolio transfer exceed the consideration paid, the resulting gain from such excess is deferred and amortized into earnings in future periods in proportion to actual recoveries under the loss portfolio transfer. In any period in which there is a revised estimate of claim and allocated claim adjustment expenses and the loss portfolio transfer is in a gain position, the deferred gain is recalculated as if the revised estimate was available at the inception date of the loss portfolio transfer and the change in the deferred gain is recognized in earnings.

Deferred acquisition costs – Deferrable acquisition costs include commissions, premium taxes and certain underwriting and policy issuance costs which are incremental direct costs of successful contract acquisitions. Acquisition costs related to
property and casualty business are deferred and amortized ratably over the period the related premiums are earned. Deferred acquisition costs are presented net of ceding commissions and other ceded acquisition costs.

CNA evaluates deferred acquisition costs for recoverability. Anticipated investment income is considered in the determination of the recoverability of deferred acquisition costs. Adjustments, if necessary, are recorded in current period results of operations.

Policyholder dividends Policyholder dividends are paid to participating policyholders within the workers’ compensation and surety lines of business. Net written premiums for participating dividend policies were approximately 2% of total net written premiums for each of the years ended December 31, 2025, 2024 and 2023. Dividends to policyholders are accrued according to CNA’s best estimate of the amount to be paid in accordance with contractual provisions and applicable state laws. Dividends to policyholders are presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations and Other liabilities on the Consolidated Balance Sheets.

Goodwill and other intangible assets – Goodwill represents the excess of purchase price over fair value of net assets of acquired entities. Goodwill is tested for impairment annually or when certain triggering events require additional tests. Subsequent reversal of a goodwill impairment charge is not permitted. Finite-lived intangible assets are amortized over their estimated useful lives. Indefinite-lived other intangible assets are tested for impairment annually or when certain triggering events require such tests.

Property, plant and equipment – Property, plant and equipment is carried at cost less accumulated depreciation and amortization. Depreciation is computed principally by the straight-line method over the estimated useful lives of the various classes of properties. Leaseholds and leasehold improvements are depreciated or amortized over the terms of the related leases (including optional renewal periods, where appropriate) or the estimated lives of improvements, if less than the lease term.

The principal service lives used in computing provisions for depreciation are as follows:

Years
Pipeline equipment30to50
Hotel properties and other3to40

Impairment of long-lived assets – Long-lived and finite-lived intangible assets are reviewed for impairment when changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Long-lived assets and intangibles with finite lives, under certain circumstances, are reported at the lower of carrying amount or fair value. Assets to be disposed of and assets not expected to provide any future service potential are recorded at the lower of carrying amount or fair value less cost to sell.

Income taxes − The Company and its eligible subsidiaries file a consolidated tax return. Deferred income taxes are recognized for temporary differences between the financial statement and tax return bases of assets and liabilities, based on enacted tax rates and other provisions of the tax law. The effect of a change in tax laws or rates on deferred tax assets and liabilities is recognized in income in the period in which such change is enacted. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not, and a valuation allowance is established for any portion of a deferred tax asset that management believes may not be realized.

The Company recognizes uncertain tax positions that it has taken or expects to take on a tax return. The tax benefit of a qualifying position is the largest amount of tax benefit that is greater than 50% likely of being realized upon ultimate settlement with a taxing authority having full knowledge of all relevant information.

The Company recognizes penalties and accrued interest related to unrecognized tax benefits and tax refund claims in Income tax expense on the Consolidated Statements of Operations. See Note 10 for additional information on the provision for income taxes.

Pension and postretirement benefits – The overfunded or underfunded status of defined benefit plans is recognized in Other assets or Other liabilities on the Consolidated Balance Sheets. Changes in funded status related to prior service costs and credits and actuarial gains and losses are recognized in the year in which the changes occur through Accumulated Other Comprehensive Income (“AOCI”). Benefit plan assets and obligations are measured at December 31. Annual service cost, interest cost, expected return on plan assets, amortization of prior service costs and credits and amortization of actuarial gains and losses are recognized in the Consolidated Statements of Operations.
Stock-based compensation – Compensation expense is recorded upon issuance, modification or cancellation of all share-based payment awards granted, primarily on a straight-line basis over the requisite service period, generally three years. Restricted Stock Units are valued using the grant-date fair value of Loews Corporation’s stock.

Net income per share – Basic net income per share excludes dilution and is computed by dividing net income attributable to common stock by the weighted average number of Loews Corporation common shares outstanding for the period. Diluted net income per share reflects the potential dilution that could occur if securities or other contracts to issue Loews Corporation common stock were exercised or converted into common stock.

For the years ended December 31, 2025, 2024 and 2023, approximately 0.1 million, 0.3 million and 0.3 million potential shares attributable to issuances and exercises under incentive compensation plans were included in the calculation of diluted net income per share. For the year ended December 31, 2025 there were 1.2 million shares and for the years ended December 31, 2024 and 2023, there were no shares attributable to employee stock-based compensation awards excluded from the calculation of diluted net income per share because the effect would have been antidilutive.

Foreign currency – Foreign currency translation gains and losses are reflected in Shareholders’ equity as a component of AOCI. Foreign subsidiaries’ balance sheet accounts are translated at the exchange rates in effect at each reporting date and income statement accounts are translated at the average exchange rates during the reporting period. There were foreign currency transaction gains (losses) of $10 million, $(7) million and $8 million for the years ended December 31, 2025, 2024 and 2023 included in the Consolidated Statements of Operations.

Regulatory accounting – The majority of Boardwalk Pipelines’ revenues are earned from operating subsidiaries that are regulated by the FERC. Texas Gas Transmission, LLC (“Texas Gas”), a wholly owned subsidiary of Boardwalk Pipelines, applies regulatory accounting to certain assets for GAAP purposes, which records certain assets and liabilities consistent with the economic effect of the manner in which independent third party regulators establish rates. Gulf South Pipeline Company, LLC (“Gulf South”), a wholly owned subsidiary of Boardwalk Pipelines, has implemented fuel trackers, for which regulatory accounting is applied. Accordingly, the value of fuel received from customers paying the maximum tariff rate and the related value of fuel used in transportation are recorded to a regulatory asset or liability depending on whether Gulf South uses more fuel than it collects from customers or collects more fuel than it uses. Other than as described for Texas Gas and the fuel trackers for Gulf South, regulatory accounting is not applicable to Boardwalk Pipelines’ other FERC regulated entities or operations.

Supplementary cash flow information – Cash payments made for interest on long-term debt, net of capitalized interest, amounted to $421 million, $422 million and $385 million for the years ended December 31, 2025, 2024 and 2023. Investing activities exclude $25 million and $9 million of accrued capital expenditures for the years ended December 31, 2025 and 2023 and include $37 million of previously accrued capital expenditures for the year ended December 31, 2024. Cash payments for federal, state and local, and foreign income taxes are as follows:

Year Ended December 31
202520242023
(In millions)
Federal
$298 $287 $263 
State and local
35 33 37 
Foreign
Canada
18 57 (5)
Other
30 26 
Total
$381 $403 $304 

Accounting changesIn December of 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-08, “Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets.” The updated accounting guidance requires that an entity measure crypto assets at fair value in the statement of financial position each reporting period and recognize changes from remeasurement in net income. The guidance was effective for fiscal years beginning after December 15, 2024, including interim periods within those fiscal years. The update required a cumulative-effect adjustment to the opening balance at the date of adoption. The Company adopted the guidance on January 1, 2025 and recorded an increase to Retained earnings of $5 million.
In December of 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” The updated accounting guidance requires expanded income tax disclosures, including disaggregation of the effective tax rate reconciliation and income taxes paid. The guidance is effective for fiscal years beginning after December 15, 2024. The guidance was adopted retrospectively, with comparative period income tax disclosures adjusted to reflect the change in accounting guidance. See Note 10 for additional information.

Recently issued ASUsIn November of 2024, the FASB issued ASU 2024-03, “Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses.” The updated accounting guidance requires disaggregated disclosure of specified expense categories. The guidance also requires disclosure of total selling expenses and how the Company defines selling expenses. The guidance is effective for fiscal years beginning after December 15, 2026, and interim periods within annual periods beginning after December 15, 2027. Prospective application is required, with retrospective application permitted. The Company is currently evaluating the effect the updated guidance will have on its financial statement disclosures.

In September of 2025, the FASB issued ASU 2025-06, “Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software.” The updated guidance changes the accounting for internal-use software by eliminating references to sequential project stages. Eligible software development cost capitalization will begin when: (1) management has authorized and committed to funding the software project and (2) it is probable that the software will be completed and used as intended. The guidance is effective for annual periods beginning after December 15, 2027, and interim periods within those annual periods, with early adoption permitted. The guidance may be applied using a prospective transition method, a retrospective transition method or a modified prospective transition method. The Company is currently evaluating the effect the updated guidance will have on its financial statements.
v3.25.4
Acquisitions
12 Months Ended
Dec. 31, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Acquisitions Acquisitions
Loews Hotels & Co

During 2023, Loews Hotels & Co paid $46 million to acquire an additional equity interest in a previously unconsolidated joint venture property. The acquisition resulted in Loews Hotels & Co consolidating the joint venture property and recording a gain of $46 million ($36 million after tax). Upon acquisition, $232 million in assets and $120 million in liabilities were consolidated at fair value.
v3.25.4
Investments
12 Months Ended
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Investments Investments
Net investment income is as follows:

Year Ended December 31
202520242023
(In millions)   
    
Fixed maturity securities$2,140 $2,050 $1,941 
Limited partnership investments278 271 177 
Short-term investments76 90 78 
Equity securities (a)60 82 63 
Income from trading portfolio (a)209 255 125 
Other118 129 105 
Total investment income2,881 2,877 2,489 
Investment expenses(102)(97)(94)
Net investment income$2,779 $2,780 $2,395 
(a) Net investment income recognized due to the change in fair value of equity and trading portfolio securities held as of December 31, 2025, 2024 and 2023
$63 $93 $38 

As of December 31, 2025 and 2024, no investments in a single issuer exceeded 10% of shareholders’ equity, other than investments in securities issued by the U.S. Treasury and obligations of government-sponsored enterprises.
Investment gains (losses) are as follows:

Year Ended December 31202520242023
(In millions)   
    
Fixed maturity securities:
Gross gains$42 $48 $75 
Gross losses(125)(150)(166)
Investment losses on fixed maturity securities(83)(102)(91)
Equity securities (a)7 21 
Derivative instruments(1)
Short-term investments and other(5)(11)
Gain on acquisition of a joint venture (see Note 2)
46 
Investment losses$(81)$(81)$(53)
(a) Investment gains (losses) recognized due to the change in fair value of non-redeemable preferred stock included within equity securities held as of December 31, 2025, 2024 and 2023
$7 $19 $14 

The available-for-sale impairment losses (gains) recognized in earnings by asset type are presented in the following table. The table includes losses (gains) on securities with an intention to sell and changes in the allowance for credit losses on securities since acquisition date:

Year Ended December 31202520242023
(In millions)   
    
Fixed maturity securities available-for-sale:   
Corporate and other bonds$25 $34 $33 
Asset-backed8 29 11 
Impairment losses recognized in earnings$33 $63 $44 

For the years ended December 31, 2025 and 2023, there were $5 million and $11 million of impairment losses related to mortgage loans due to changes in expected credit losses. No impairment losses were recognized on mortgage loans during the year ended December 31, 2024.

The net change in unrealized gains (losses) on fixed maturity securities, was $1.1 billion, $(352) million and $1.4 billion for the years ended December 31, 2025, 2024 and 2023.
The amortized cost and fair values of fixed maturity securities are as follows:

December 31, 2025Cost or Amortized CostGross Unrealized
Gains
Gross Unrealized
Losses
Allowance
for Credit Losses
Estimated
Fair Value
(In millions)     
      
Fixed maturity securities:     
Corporate and other bonds$25,484 $682 $881 $28 $25,257 
States, municipalities and political
 subdivisions
8,870 303 742 8,431 
Asset-backed:
Residential mortgage-backed4,011 50 366 3,695 
Commercial mortgage-backed1,515 18 80 21 1,432 
Other asset-backed3,729 28 194 20 3,543 
Total asset-backed9,255 96 640 41 8,670 
U.S. Treasury and obligations of
 government sponsored enterprises
236 1 3 234 
Foreign government764 7 20 751 
Redeemable preferred stock8 8 
Fixed maturities available-for-sale$44,617 $1,089 $2,286 $69 $43,351 
Fixed maturities trading633 633 
Total fixed maturity securities$45,250 $1,089 $2,286 $69 $43,984 

December 31, 2024
    
Fixed maturity securities:    
Corporate and other bonds$25,839 $423 $1,305 $13 $24,944 
States, municipalities and political
 subdivisions
7,396 243 835 6,804 
Asset-backed:
Residential mortgage-backed3,725 488 3,244 
Commercial mortgage-backed1,779 11 141 18 1,631 
Other asset-backed3,770 24 239 14 3,541 
Total asset-backed9,274 42 868 32 8,416 
U.S. Treasury and obligations of
 government sponsored enterprises
220 220 
Foreign government701 30 677 
Fixed maturities available-for-sale$43,430 $715 $3,039 $45 $41,061 
Fixed maturities trading766 766 
Total fixed maturity securities$44,196 $715 $3,039 $45 $41,827 

The available-for-sale fixed maturities securities in a gross unrealized loss position for which an allowance for credit losses has not been recorded are as follows:

 Less than 12 Months12 Months or LongerTotal
December 31, 2025Estimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized Losses
(In millions)
 
Fixed maturity securities:
Corporate and other bonds$2,776 $56 $8,576 $825 $11,352 $881 
States, municipalities and political
 subdivisions
403 8 3,471 734 3,874 742 
Asset-backed:
Residential mortgage-backed154 1 2,002 365 2,156 366 
Commercial mortgage-backed36 2 887 78 923 80 
Other asset-backed420 9 1,432 185 1,852 194 
Total asset-backed610 12 4,321 628 4,931 640 
U.S. Treasury and obligations of
 government-sponsored enterprises
78 2 18 1 96 3 
Foreign government131 1 260 19 391 20 
Total fixed maturity securities$3,998 $79 $16,646 $2,207 $20,644 $2,286 
December 31, 2024
Fixed maturity securities:
Corporate and other bonds$5,846 $165 $10,388 $1,140 $16,234 $1,305 
States, municipalities and political
 subdivisions
1,247 52 2,967 783 4,214 835 
Asset-backed:
Residential mortgage-backed849 22 2,010 466 2,859 488 
Commercial mortgage-backed180 988 139 1,168 141 
Other asset-backed680 21 1,557 218 2,237 239 
Total asset-backed1,709 45 4,555 823 6,264 868 
U.S. Treasury and obligations of
 government-sponsored enterprises
49 41 90 
Foreign government118 368 27 486 30 
Total fixed maturity securities$8,969 $266 $18,319 $2,773 $27,288 $3,039 
The following table presents the estimated fair value and gross unrealized losses of available-for-sale fixed maturity securities in a gross unrealized loss position for which an allowance for credit loss has not been recorded, by ratings distribution.

December 31, 2025December 31, 2024
Estimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized Losses
(In millions)
U.S. Government, Government agencies and Government-sponsored enterprises$1,980 $267 $2,567 $373 
AAA1,376 243 1,800 282 
AA3,827 623 4,247 730 
A5,025 440 6,330 582 
BBB7,758 639 11,548 980 
Non-investment grade678 74 796 92 
Total$20,644 $2,286 $27,288 $3,039 

Based on current facts and circumstances, the unrealized losses presented in the December 31, 2025 securities in the gross unrealized loss position table above are not indicative of the ultimate collectability of the current amortized cost of the securities, but rather are primarily attributable to changes in risk-free interest rates. In reaching this determination, the volatility in risk-free rates and credit spreads, as well as the fact that the unrealized losses are concentrated in investment grade issuers, were considered. Additionally, there is no current intent to sell securities with unrealized losses, nor is it more likely than not that sale will be required prior to recovery of amortized cost; accordingly, it was determined that there are no additional impairment losses to be recorded at December 31, 2025.

The following tables present the activity related to the allowance on available-for-sale securities with credit impairments and purchased credit-deteriorated (“PCD”) assets. Accrued interest receivables on available-for-sale fixed maturity securities totaled $470 million and $442 million as of December 31, 2025 and 2024 and are excluded from the estimate of expected credit losses and the amortized cost basis in the tables within this Note.

Year Ended December 31, 2025
Corporate and Other Bonds
Asset-backed
Total
 (In millions)   
Allowance for credit losses:   
Balance as of January 1, 2025
$13 $32 $45 
Additions to the allowance for credit losses:
Securities for which credit losses were not previously recorded3 3 6 
Available-for-sale securities accounted for as PCD assets4 4 
 
Reductions to the allowance for credit losses:
Securities disposed during the period (realized)6 6 
Additional increases to the allowance for credit
losses on securities that had an allowance recorded in a previous period
14 6 20 
Total allowance for credit losses$28 $41 $69 
Year Ended December 31, 2024Corporate
and Other Bonds
Asset-backedTotal
(In millions)   
Allowance for credit losses:   
Balance as of January 1, 2024
$$12 $16 
Additions to the allowance for credit losses:
Securities for which credit losses were not previously recorded18 27 
Available-for-sale securities accounted for as PCD assets
 
Reductions to the allowance for credit losses:
Securities disposed during the period (realized)
Intent to sell or more likely than not will be required to sell the
security before recovery of its amortized cost basis
Write-offs charged against the allowance
Additional increases to the allowance for credit
losses on securities that had an allowance recorded in a previous period
12 12 
Total allowance for credit losses$13 $32 $45 

Contractual Maturity

The following table presents available-for-sale fixed maturity securities by contractual maturity.

December 3120252024
Cost or Amortized CostEstimated Fair
Value
Cost or Amortized CostEstimated
Fair
Value
(In millions)
Due in one year or less$1,392 $1,389 $1,761 $1,753 
Due after one year through five years11,318 11,214 11,678 11,403 
Due after five years through ten years13,440 13,187 13,083 12,365 
Due after ten years18,467 17,561 16,908 15,540 
Total$44,617 $43,351 $43,430 $41,061 

Actual maturities may differ from contractual maturities because certain securities may be called or prepaid. Securities not due at a single date are allocated based on weighted average life.

Limited Partnerships

The carrying value of limited partnership investments as of December 31, 2025 and 2024 was approximately $2.9 billion and $2.5 billion, which includes net undistributed earnings of $381 million and $334 million. Limited partnerships comprising 11% of the total carrying value are reported on a current basis through December 31, 2025 with no reporting lag, 2% of the total carrying value are reported on a one month lag and the remainder are reported on more than a one month lag. The number of limited partnerships held and the strategies employed provide diversification to the limited partnership portfolio and the overall invested asset portfolio.
Limited partnerships comprising 88% and 86% of the carrying value at December 31, 2025 and 2024 were invested in private debt and equity. Limited partnerships comprising 12% and 14% of the carrying value as of December 31, 2025 and 2024 employ hedge fund strategies. Private debt and equity funds cover a broad range of investment strategies including buyout, co-investment, private credit, growth capital, distressed investing and real estate. Hedge fund strategies include both long and short positions in fixed income, equity and derivative instruments.

The ten largest limited partnership positions held totaled $698 million and $648 million as of December 31, 2025 and 2024. Based on the most recent information available regarding percentage ownership of the individual limited partnerships, the carrying value reflected on the Consolidated Balance Sheets represents approximately 1% of the aggregate partnership equity at December 31, 2025 and 2024, and the related income reflected on the Consolidated Statements of Operations represents approximately 1% of the changes in aggregate partnership equity for each of the years ended December 31, 2025, 2024 and 2023.

There are risks inherent in limited partnership investments which may result in losses due to short-selling, derivatives or other speculative investment practices. The use of leverage increases volatility generated by the underlying investment strategies.

Private debt, private equity and other non-hedge fund limited partnership investments generally do not permit voluntary withdrawals. Hedge fund limited partnership investments contain withdrawal provisions that generally limit liquidity for a period of thirty days up to one year or longer. Typically, hedge fund withdrawals require advance written notice of up to 90 days.

Mortgage Loans

The following table presents the amortized cost basis of mortgage loans for each credit quality indicator by year of origination. The primary credit quality indicators utilized are debt service coverage ratios (“DSCR”) and loan-to-value (“LTV”) ratios.

Mortgage Loans Amortized Cost Basis by Origination Year (a)
As of December 31, 2025
2025
2024
2023
2022
2021
PriorTotal
(In millions)       
        
DSCR ≥1.6x       
LTV less than 55%$38 $33 $5 $215 $291 
LTV 55% to 65%37 12 $14 6 12 81 
LTV greater than 65%12 13 25 
DSCR 1.2x - 1.6x
LTV less than 55%$68 28 5 2 75 178 
LTV 55% to 65%107 33 38 21 19 28 246 
LTV greater than 65%7 46 53 
DSCR ≤1.2x
LTV less than 55%6 21 27 
LTV 55% to 65%37 17 38 15 107 
LTV greater than 65%40 21 25 86 
Total$226 $101 $134 $176 $66 $391 $1,094 
Write-offs for the year
   ended December 31,
   2025
(2)(23)(25)

(a)The values in the table above reflect DSCR on a standardized amortization period and LTV ratios based on the most recent appraised values trended forward using changes in a commercial real estate price index.
Derivative Financial Instruments

Derivatives may be used in the normal course of business, primarily in an attempt to reduce exposure to market risk (principally interest rate risk, credit risk, equity price risk, commodity price risk and foreign currency risk) stemming from various assets and liabilities. The principal objective under such strategies is to achieve the desired reduction in economic risk, even if the position does not receive hedge accounting treatment.

Interest rate swaps, futures and forward commitments to purchase securities may be entered into to manage interest rate risk. Credit derivatives such as credit default swaps may be entered into to modify the credit risk inherent in certain investments. Forward contracts, futures, swaps and options may be used to manage foreign currency and commodity price risk.

In addition to the derivatives used for risk management purposes described above, derivatives may also be used for purposes of income enhancement. Income enhancement transactions include interest rate swaps, call options, put options, credit default swaps, index futures and foreign currency forwards. See Note 4 for information regarding the fair value of derivative instruments.

The following tables present the aggregate contractual or notional amount and estimated fair value related to derivative financial instruments.

December 3120252024
Contractual/Notional AmountEstimated Fair Value Contractual/Notional AmountEstimated Fair Value
Asset
(Liability)
Asset(Liability)
(In millions)
Without hedge designation:
Equity markets:
Options - purchased$98 $1 $268 $
Futures - short249 2 167 
Warrants1 2 
Interest rate swaps473 300 
Credit default swap index - purchased2,000 

In the fourth quarter of 2024, the Company entered into credit default swap index transactions that would potentially benefit from widening investment grade credit spreads associated with the underlying securities that comprised the index. The position was closed during the second quarter of 2025. As of December 31, 2024, the notional value of the credit default swap index was $2 billion and the fair value was less than $1 million, which was recognized in Payable to brokers in the Consolidated Balance Sheets. The fair value of the position was measured using observable market inputs, including credit spreads. For the years ended December 31, 2025 and 2024, Net investment income related to the position was $19 million and less than $1 million.

Investment Commitments

As part of the overall investment strategy, investments are made in various assets which require future purchase, sale or funding commitments. These investments are recorded once funded, and the related commitments may include future capital calls from various third-party limited partnerships, signed and accepted mortgage loan applications and obligations related to private placement securities. As of December 31, 2025, commitments to purchase or fund were approximately $1.8 billion and to sell were approximately $45 million under the terms of these investments.
Investments on Deposit

Cash and securities with carrying values of approximately $3.4 billion and $3.1 billion were deposited by CNA’s insurance subsidiaries under requirements of regulatory authorities and others as of December 31, 2025 and 2024.

Cash and securities with carrying values of approximately $0.6 billion and $0.7 billion were deposited with financial institutions in trust accounts or as collateral for letters of credit to secure obligations with various third parties as of December 31, 2025 and 2024.
v3.25.4
Fair Value
12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Fair Value Fair Value
Fair value is the price that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following fair value hierarchy is used in selecting inputs, with the highest priority given to Level 1, as these are the most transparent or reliable:

Level 1 – Quoted prices for identical instruments in active markets.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets.

Level 3 – Valuations derived from valuation techniques in which one or more significant inputs are not observable.

Prices may fall within Level 1, 2 or 3 depending upon the methodology and inputs used to estimate fair value for each specific security. In general, securities are priced using third party pricing services. Securities not priced by pricing services are submitted to independent brokers for valuation and, if those are not available, internally developed pricing models are used to value assets using a methodology and inputs that market participants presumably would use to value the assets. Prices obtained from third-party pricing services or brokers are not adjusted.

Control procedures are performed over information obtained from pricing services and brokers to ensure prices received represent a reasonable estimate of fair value and to confirm representations regarding whether inputs are observable or unobservable. Procedures may include: (i) the review of pricing service methodologies or broker pricing qualifications, (ii) back-testing, where past fair value estimates are compared to actual transactions executed in the market on similar dates, (iii) exception reporting, where period-over-period changes in price are reviewed and challenged with the pricing service or broker based on exception criteria and (iv) detailed analysis, where an independent analysis of the inputs and assumptions used to price individual securities is performed.

Assets and liabilities measured at fair value on a recurring basis are summarized in the following tables. Corporate bonds and other includes obligations of the U.S. Treasury, government-sponsored enterprises, foreign governments and redeemable preferred stock.
December 31, 2025
Level 1
Level 2
Level 3
Total
(In millions)    
     
Fixed maturity securities:    
Corporate bonds and other$238 $24,529 $1,483 $26,250 
States, municipalities and political subdivisions8,386 45 8,431 
Asset-backed7,672 998 8,670 
Fixed maturities available-for-sale238 40,587 2,526 43,351 
Fixed maturities trading603 30 633 
Total fixed maturities$841 $40,617 $2,526 $43,984 
 
Equity securities$762 $497 $33 $1,292 
Short-term and other5,820 51 5,871 
Payable to brokers(43)(43)
December 31, 2024
Fixed maturity securities:
Corporate bonds and other$223 $24,340 $1,278 $25,841 
States, municipalities and political subdivisions6,762 42 6,804 
Asset-backed7,540 876 8,416 
Fixed maturities available-for-sale223 38,642 2,196 41,061 
Fixed maturities trading766 766 
Total fixed maturities$989 $38,642 $2,196 $41,827 
Equity securities$603 $441 $20 $1,064 
Short-term and other4,383 70 4,453 
Receivables
Payable to brokers(88)(88)
The following tables present reconciliations for all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the years ended December 31, 2025 and 2024:

Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses)
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31
2025Balance, January 1
Included in Net Income
Included in OCIPurchases
Sales
Settlements
Transfers into
Level 3
Transfers out of Level 3
Balance, December 31
(In millions)           
            
Fixed maturity securities:           
Corporate bonds and other$1,278 $(6)$57 $197 $(101)$58 $1,483 $57 
States, municipalities and political subdivisions42 3 45 3 
Asset-backed876 17 (3)213 (105)998 (1)
Fixed maturities available-for-sale$2,196 $11 $57 $410 $ $(206)$58 $ $2,526 $ $59 
 
Equity securities$20 $4 $20 $(7)$(4)$33 $2 
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses)Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31 Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31
2024Balance, January 1Included in Net Income Included in OCIPurchasesSales Settlements Transfers into
 Level 3
Transfers out of Level 3 Balance, December 31
(In millions)          
          
Fixed maturity securities:          
Corporate bonds and other$1,045 $(1)$(15)$352 $(10)$(104)$11 $1,278 $(1)$(21)
States, municipalities and political subdivisions44 (2)42 (2)
Asset-backed901 (12)125 (14)(83)$(50)876 (12)
Fixed maturities available-for-sale$1,990 $$(29)$477 $(24)$(187)$11 $(50)$2,196 $(1)$(35)
 
Equity securities$24 $12 $$(19)$20 $

Net investment gains and losses are reported in Net income as follows:

Major Category of Assets and LiabilitiesConsolidated Statements of Operations Line Items
  
Fixed maturity securities available-for-saleInvestment gains (losses)
Fixed maturity securities tradingNet investment income
Equity securitiesInvestment gains (losses) and Net investment income
Other invested assetsInvestment gains (losses) and Net investment income
Derivative financial instruments held in a trading portfolioNet investment income
Derivative financial instruments, otherInvestment gains (losses) and Operating revenues and other
Securities may be transferred in or out of levels within the fair value hierarchy based on the availability of observable market information and quoted prices used to determine the fair value of the security. The availability of observable market information and quoted prices varies based on market conditions and trading volume.

Valuation Methodologies and Inputs

The following section describes the valuation methodologies and relevant inputs used to measure different financial instruments at fair value, including an indication of the level in the fair value hierarchy in which the instruments are generally classified.

Fixed Maturity Securities

Level 1 securities include highly liquid government securities and exchange traded bonds valued using quoted market prices. Level 2 securities include most other fixed maturity securities as the significant inputs are observable in the marketplace. All classes of Level 2 fixed maturity securities are valued using a methodology based on information generated by market transactions involving identical or comparable assets, a discounted cash flow methodology or a combination of both when necessary. Common inputs for all classes of fixed maturity securities include prices from recently executed transactions of similar securities, marketplace quotes, benchmark yields, spreads off benchmark yields, interest rates and U.S. Treasury or swap curves. Specifically for asset-backed securities, key inputs include prepayment and default projections based on past performance of the underlying collateral and current market data. Fixed maturity securities are primarily assigned to Level 3 in cases where broker/dealer quotes are significant inputs to the valuation, and there is a lack of transparency as to whether these quotes are based on information that is observable in the marketplace. Level 3 securities also include private placement debt securities whose fair value is determined using internal models with some inputs that are not market observable.

Equity Securities

Level 1 securities include publicly traded securities valued using quoted market prices. Level 2 securities are primarily valued using pricing for similar securities, recently executed transactions and other pricing models utilizing market observable inputs. Level 3 securities are primarily priced using broker/dealer quotes and internal models with some inputs that are not market observable.

Derivative Financial Instruments

Equity options are valued using quoted market prices and are classified within Level 1 of the fair value hierarchy. Over-the-counter derivatives, principally interest rate swaps, currency forwards, total return swaps, commodity swaps, credit default swaps, equity warrants and options, are valued using inputs including broker/dealer quotes and are classified within Level 2 or Level 3 of the valuation hierarchy, depending on the amount of transparency as to whether these quotes are based on information that is observable in the marketplace.

Short-Term and Other Invested Assets

Securities that are actively traded or have quoted prices are classified as Level 1. These securities include money market funds, treasury bills and exchange traded open-end funds valued using quoted market prices. Level 2 primarily includes non-U.S. government securities for which all inputs are market observable. Fixed maturity securities purchased within one year of maturity are classified consistent with fixed maturity securities discussed above. Short-term investments as presented in the tables above differ from the amounts presented on the Consolidated Balance Sheets because certain short-term investments, such as time deposits, are not measured at fair value.
Significant Unobservable Inputs

The following tables present quantitative information about the significant unobservable inputs utilized in the fair value measurement of Level 3 assets. Valuations for assets and liabilities not presented in the tables below are primarily based on broker/dealer quotes for which there is a lack of transparency as to inputs used to develop the valuations. The quantitative detail of unobservable inputs from these broker quotes is neither provided nor reasonably available. The weighted average rate is calculated based on fair value.

December 31, 2025Estimated
Fair Value
Valuation TechniquesUnobservable InputsRange (Weighted Average)
 (In millions)  
    
Fixed maturity securities$1,927 Discounted cash flowCredit spread
1%
11%
(2%)
   
December 31, 2024  
   
Fixed maturity securities$1,724 Discounted cash flowCredit spread
1%
6%
(2%)

For fixed maturity securities, an increase to the credit spread assumptions would result in a lower fair value measurement.

Financial Assets and Liabilities Not Measured at Fair Value

The carrying amount, estimated fair value and the level of the fair value hierarchy of the financial assets and liabilities which are not measured at fair value on the Consolidated Balance Sheets are presented in the following tables. The carrying amounts and estimated fair values of short-term debt and long-term debt exclude finance lease obligations. The carrying amounts reported on the Consolidated Balance Sheets for cash and short-term investments not carried at fair value and certain other assets and liabilities approximate fair value due to the short-term nature of these items.

Carrying AmountEstimated Fair Value
December 31, 2025Level 1Level 2Level 3Total
(In millions)     
      
Assets:     
Other invested assets, primarily mortgage loans$1,079 $1,072 $1,072 
 
Liabilities:
Short-term debt1,051 $1,051 2 1,053 
Long-term debt8,435 7,431 995 8,426 
 
December 31, 2024
 
Assets:
Other invested assets, primarily mortgage loans$1,019 $987 $987 
 
Liabilities:
Short-term debt
Long-term debt8,936 $7,702 966 8,668 
The fair values of debt were based on observable market prices when available. When observable market prices were not available, the fair values of debt were based on observable market prices of comparable instruments adjusted for differences between the observed instruments and the instruments being valued or is estimated using discounted cash flow analyses, based on current incremental borrowing rates for similar types of borrowing arrangements.
v3.25.4
Receivables
12 Months Ended
Dec. 31, 2025
Receivables [Abstract]  
Receivables Receivables
December 3120252024
(In millions)  
   
Reinsurance (Note 16)
$6,408 $6,072 
Insurance3,764 3,697 
Receivable from brokers58 50 
Accrued investment income485 458 
Income taxes3 
Other, primarily customer accounts318 284 
Total11,036 10,570 
Less: allowance for doubtful accounts on reinsurance receivables27 21 
  allowance for other doubtful accounts26 27 
Receivables$10,983 $10,522 
v3.25.4
Property, Plant and Equipment
12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
December 3120252024
(In millions)  
   
Pipeline equipment (net of accumulated depreciation of $5,184 and $4,819)
$8,330 $8,478 
Hotel properties (net of accumulated depreciation of $709 and $646)
1,522 1,517 
Other (net of accumulated depreciation of $556 and $578)
486 496 
Construction in process357 247 
Property, plant and equipment$10,695 $10,738 

Depreciation expense and capital expenditures are as follows:

Year Ended December 31
202520242023
 Depre-ciationCapital Expend.Depre-ciationCapital
Expend.
Depre-ciationCapital Expend.
(In millions)      
       
CNA Financial$65 $73 $59 $105 $54 $97 
Boardwalk Pipelines440 386 426 365 410 383 
Loews Hotels & Co100 143 93 115 69 201 
Corporate2 12 
Total$607 $602 $580 $585 $534 $693 

Capitalized interest related to the construction and upgrade of qualifying assets amounted to approximately $11 million, $27 million and $32 million for the years ended December 31, 2025, 2024 and 2023.
v3.25.4
Claim and Claim Adjustment Expense Reserves
12 Months Ended
Dec. 31, 2025
Insurance [Abstract]  
Claim and Claim Adjustment Expense Reserves Claim and Claim Adjustment Expense Reserves
Claim and claim adjustment expense reserves represent the estimated amounts necessary to resolve all outstanding claims, including incurred but not reported (“IBNR”) claims as of the reporting date. Reserve projections are based primarily on detailed analysis of the facts in each case, experience with similar cases and various historical development patterns. Consideration is given to historical patterns such as claim reserving trends and settlement practices, loss payments, pending levels of unpaid claims and product mix, economic, medical and social inflation, and public attitudes. All of these factors can affect the estimation of claim and claim adjustment expense reserves.

Establishing claim and claim adjustment expense reserves, including claim and claim adjustment expense reserves for catastrophic events that have occurred, is an estimation process. Many factors can ultimately affect the final settlement of a claim and, therefore, the necessary reserve. Changes in the law, results of litigation, medical costs, the cost of repair materials and labor rates can affect ultimate claim costs. In addition, time can be a critical part of reserving determinations since the longer the span between the incidence of a loss and the payment or settlement of the claim, the more variable the ultimate settlement amount can be. Accordingly, short-tail claims, such as property damage claims, tend to be more reasonably estimable than long-tail claims, such as workers’ compensation, general liability and professional liability claims. Claim and claim adjustment expense reserves are also maintained for structured settlement obligations. In developing the claim and claim adjustment expense reserve estimates for structured settlement obligations, actuaries review mortality experience on an annual basis. Adjustments to prior year reserve estimates, if necessary, are reflected in the results of operations in the period that the need for such adjustments is determined. There can be no assurance that the ultimate cost for insurance losses will not exceed current estimates.

CNA’s commercial property and casualty insurance operations (“Property & Casualty Operations”) include its Specialty, Commercial and International lines of business. CNA’s Other Insurance Operations outside of Property & Casualty Operations include its long-term care business that is in run-off, certain corporate expenses, including interest on CNA’s corporate debt, and certain property and casualty businesses in run-off, including A&EP, a legacy portfolio of excess workers’ compensation policies and certain legacy mass tort reserves.

Liability for Unpaid Claim and Claim Adjustment Expenses

The table below reconciles the net liability for unpaid claim and claim adjustment expenses to the amount presented on the Consolidated Balance Sheets.

December 312025
(In millions) 
  
Net liability for unpaid claim and claim adjustment expenses: 
Property & Casualty Operations$19,725 
Other Insurance Operations (a)
892 
Total net claim and claim adjustment expenses20,617 
 
Reinsurance receivables: (b)
Property & Casualty Operations3,684 
Other Insurance Operations (c)
2,298 
Total reinsurance receivables5,982 
Total gross liability for unpaid claims and claims adjustment expenses$26,599 

(a)Other Insurance Operations amounts are related to unfunded structured settlements arising from short duration contracts.
(b)Reinsurance receivables presented are gross of the allowance for uncollectible reinsurance and do not include reinsurance receivables related to paid losses.
(c)The Other Insurance Operations reinsurance receivables are primarily related to A&EP claims covered under the A&EP loss portfolio transfer (“LPT”).
The following table presents a reconciliation between beginning and ending claim and claim adjustment expense reserves.

Year Ended December 31
202520242023
(In millions)   
    
Reserves, beginning of year:   
Gross$24,976 $23,304 $22,120 
Ceded5,713 5,141 5,191 
Net reserves, beginning of year19,263 18,163 16,929 
 
Net incurred claim and claim adjustment expenses:
Provision for insured events of current year6,724 6,330 5,667 
Increase (decrease) in provision for insured events of prior years189 42 48 
Amortization of discount39 39 44 
Total net incurred (a)
6,952 6,411 5,759 
 
Net payments attributable to:
Current year events(1,089)(1,093)(922)
Prior year events(4,685)(4,096)(3,679)
Total net payments(5,774)(5,189)(4,601)
 
Foreign currency translation adjustment and other176 (122)76 
 
Net reserves, end of year20,617 19,263 18,163 
Ceded reserves, end of year5,982 5,713 5,141 
Gross reserves, end of year$26,599 $24,976 $23,304 

(a)
Total net incurred does not agree to Insurance claims and policyholders’ benefits as reflected on the Consolidated Statements of Operations due to amounts related to retroactive reinsurance deferred gain accounting, uncollectible reinsurance and benefit expenses related to future policy benefits and policyholders’ dividends, which are not reflected in the table above.

Reserving Methodology

In developing claim and claim adjustment expense reserve estimates, CNA’s actuaries perform detailed reserve analyses that are staggered throughout the year. The data is organized at a reserve group level. Every reserve group is reviewed at least once during the year, but most are reviewed more frequently. The analyses generally review losses gross of ceded reinsurance and apply the ceded reinsurance terms to the gross estimates to establish estimates net of reinsurance. Factors considered include, but are not limited to, the historical pattern and volatility of the actuarial indications, the sensitivity of the actuarial indications to changes in paid and incurred loss patterns, the consistency of claims handling processes, the consistency of case reserving practices, changes in CNA’s pricing and underwriting, pricing and underwriting trends in the insurance market and legal, judicial, geopolitical, social and economic trends. In addition to the detailed analyses, CNA reviews actual loss emergence for all products each quarter.

In developing the loss reserve estimates for property and casualty contracts, CNA generally projects ultimate losses using several common actuarial methods as listed below. CNA reviews the indications from the various methods and applies judgment to select an actuarial point estimate. The carried reserve may differ from the actuarial point estimate as a result of CNA’s consideration of the factors noted above as well as the potential volatility of the projections associated with the specific product being analyzed and other factors affecting claims costs that may not be quantifiable through traditional actuarial analysis. The indicated required reserve is the difference between the selected ultimate loss and the inception-to-date paid losses. The difference between the selected ultimate loss and the case incurred or reported loss is IBNR. IBNR includes a provision for development on known cases as well as a provision for late reported incurred claims.
The most frequently utilized methods to project ultimate losses include the following:

Paid development: The paid development method estimates ultimate losses by reviewing paid loss patterns and applying them to accident years with further expected changes in paid losses.

Incurred development: The incurred development method is similar to the paid development method, but it uses case incurred losses instead of paid losses.

Loss ratio: The loss ratio method multiplies premiums by an expected loss ratio to produce ultimate loss estimates for each accident year.

Bornhuetter-Ferguson paid loss: The Bornhuetter-Ferguson paid loss method is a combination of the paid development approach and the loss ratio approach. This method normally determines expected loss ratios similar to the approach used to estimate the expected loss ratio for the loss ratio method.

Bornhuetter-Ferguson incurred loss: The Bornhuetter-Ferguson incurred loss method is similar to the Bornhuetter-Ferguson using premiums and paid loss method except that it uses case incurred losses.

Frequency times severity: The frequency times severity method multiplies a projected number of ultimate claims by an estimated ultimate average loss for each accident year to produce ultimate loss estimates.

Stochastic modeling: The stochastic modeling method produces a range of possible outcomes based on varying assumptions related to the particular product being modeled.

For many exposures, especially those that can be considered long-tail, a particular accident or policy year may not have a sufficient volume of paid losses to produce a statistically reliable estimate of ultimate losses. In such a case, CNA’s actuaries typically assign more weight to the incurred development method than to the paid development method. As claims continue to settle and the volume of paid loss increases, the actuaries may assign additional weight to the paid development method. For most of CNA’s products, even the incurred losses for accident or policy years that are early in the claim settlement process will not be of sufficient volume to produce a reliable estimate of ultimate losses. In these cases, CNA may not assign much, if any weight to the paid and incurred development methods. CNA may use the loss ratio, Bornhuetter-Ferguson and/or frequency times severity methods. For short-tail exposures, the paid and incurred development methods can often be relied on sooner, primarily because CNA’s history includes a sufficient number of years to cover the entire period over which paid and incurred losses are expected to change. However, CNA may also use the loss ratio, Bornhuetter-Ferguson and/or frequency times severity methods for short-tail exposures. For other more complex reserve groups where the above methods may not produce reliable indications, CNA uses additional methods tailored to the characteristics of the specific situation.

CNA’s reserving methodologies for mass tort and A&EP are similar as both are based on detailed reviews of large accounts with estimates of ultimate payments based on the facts in each case and CNA’s view of applicable law and coverage litigation.
Gross and Net Carried Reserves

The following tables present the gross and net carried reserves:

December 31, 2025Property and Casualty OperationsOther Insurance OperationsTotal
(In millions)   
    
Gross Case Reserves$7,311 $1,752 $9,063 
Gross IBNR Reserves16,098 1,438 17,536 
 
Total Gross Carried Claim and Claim Adjustment Expense Reserves$23,409 $3,190 $26,599 
 
Net Case Reserves$6,189 $625 $6,814 
Net IBNR Reserves13,536 267 13,803 
 
Total Net Carried Claim and Claim Adjustment Expense Reserves$19,725 $892 $20,617 
December 31, 2024
Gross Case Reserves$6,589 $1,813 $8,402 
Gross IBNR Reserves15,093 1,481 16,574 
Total Gross Carried Claim and Claim Adjustment Expense Reserves$21,682 $3,294 $24,976 
Net Case Reserves$5,573 $634 $6,207 
Net IBNR Reserves12,761 295 13,056 
Total Net Carried Claim and Claim Adjustment Expense Reserves$18,334 $929 $19,263 

Net Prior Year Development

Changes in estimates of claim and claim adjustment expense reserves, net of reinsurance, for prior years are defined as net prior year loss reserve development. These changes can be favorable or unfavorable.
The following table and discussion present details of the net prior year loss reserve development in Property & Casualty Operations and Other Insurance Operations:

Year Ended December 31
202520242023
(In millions)   
    
Medical professional liability$(8)$
Other professional liability and management liability$69 49 37 
Surety(50)(68)(43)
Warranty10 20 (11)
Commercial auto74 107 33 
General liability114 75 149 
Workers’ compensation(135)(202)(203)
Other property and casualty operations(31)(4)10 
Total property & casualty operations
51 (31)(23)
Other insurance operations134 79 71 
Total pretax unfavorable development$185 $48 $48 

Development Tables

For CNA’s Property & Casualty Operations, the following tables present further detail and commentary on the development reflected in the financial statements for each of the periods presented. Also presented are loss reserve development tables that illustrate the change over time of reserves established for claim and allocated claim adjustment expenses arising from short-duration insurance contracts for certain lines of business within CNA’s Property & Casualty Operations. Not all lines of business are presented based on their context to CNA’s overall loss reserves, calendar year reserve development, or calendar year net earned premiums. Insurance contracts are considered to be short-duration contracts when the contracts are not expected to remain in force for an extended period of time.

The Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses tables, reading across, show the cumulative net incurred claim and allocated claim adjustment expenses relating to each accident year at the end of the stated calendar year. Changes in the cumulative amount across time are the result of CNA’s expanded awareness of additional facts and circumstances that pertain to the unsettled claims. The Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses tables, reading across, show the cumulative amount paid for claims for each accident year as of the end of the stated calendar year. The Net Strengthening or (Releases) of Prior Accident Year Reserves tables, reading across, show the net increase or decrease in the cumulative net incurred accident year claim and allocated claim adjustment expenses during each stated calendar year and indicates whether the reserves for that accident year were strengthened or released.

The information in the tables is reported on a net basis after reinsurance and does not include the effects of discounting. The information contained in calendar years 2024 and prior is unaudited. To the extent CNA enters into a commutation, the transaction is reported on a prospective basis. To the extent that CNA enters into a disposition, the effects of the disposition are reported on a retrospective basis by removing the balances associated with it.

The amounts reported for the cumulative number of reported claims include direct and assumed open and closed claims by accident year at the claimant level. The number excludes claim counts for claims within a policy deductible where the insured is responsible for payment of losses in the deductible layer. Claim count data for certain assumed reinsurance contracts is unavailable.

In the loss reserve development tables, IBNR includes reserves for incurred but not reported losses and expected development on case reserves. CNA does not establish case reserves for allocated loss adjusted expenses (“ALAE”), therefore ALAE reserves are also included in the estimate of IBNR.

2025

Unfavorable development in other professional liability and management liability was primarily due to higher than expected claim severity and frequency in CNA’s professional errors and omissions (“E&O”) business.
Favorable development in surety was primarily due to lower than expected frequency and lack of systemic activity in multiple accident years.

Unfavorable development in warranty was primarily due to higher than expected frequency and severity in the most recent accident year for auto warranty.

Unfavorable development in commercial auto was due to higher than expected claim severity in recent accident years.

Unfavorable development in general liability was due to higher than expected claim severity in multiple accident years going back to 2016.

Favorable development in workers’ compensation was due to favorable medical trends driving lower than expected severity in multiple accident years.

Favorable development in other property and casualty operations was due to lower than expected loss emergence across multiple accident years in CNA’s marine and property businesses and favorable emergence in multiple accident years for property and other.

Unfavorable development in other insurance operations was largely associated with legacy mass tort abuse claim activity, the on-going effects of social inflation and an agreement with the Diocese of Rochester.

2024

Unfavorable development in other professional liability and management liability was primarily due to higher than expected claim severity and frequency in CNA’s professional E&O and cyber businesses.

Favorable development in surety was primarily due to lower than expected frequency and lack of systemic activity in multiple accident years.

Unfavorable development in warranty was primarily due to higher than expected frequency and severity in a recent accident year.

Unfavorable development in commercial auto was due to higher than expected claim severity in recent accident years.

Unfavorable development in general liability was due to higher than expected claim severity in multiple accident years going back to 2015.

Favorable development in workers’ compensation was due to favorable medical trends driving lower than expected severity in multiple accident years.

Unfavorable development in other insurance operations was largely associated with legacy mass tort abuse reserves.

2023

Unfavorable development in other professional liability and management liability was primarily due to higher than expected claim severity and frequency in CNA’s professional E&O businesses in multiple accident years.

Favorable development in surety was primarily due to lower than expected frequency and lack of systemic activity in multiple accident years.

Favorable development in warranty was due to lower than expected loss emergence in a recent accident year.

Unfavorable development in commercial auto was due to higher than expected claim severity in CNA’s construction business in a recent accident year.

Unfavorable development in general liability was due to higher than expected claim severity in CNA’s construction and middle market businesses across multiple accident years.

Favorable development in workers’ compensation was due to favorable medical trends driving lower than expected severity in multiple accident years.

Unfavorable development in other insurance operations was largely associated with legacy mass tort abuse reserves.
Property & Casualty Operations – Line of Business Composition

The table below presents the net liability for unpaid claim and claim adjustment expenses, by line of business for Property & Casualty Operations:

December 312025
(In millions) 
  
Medical professional liability$1,468 
Other professional liability and management liability4,073 
Surety521 
Warranty58 
Commercial auto1,573 
General liability4,837 
Workers’ compensation3,482 
Other property and casualty operations3,713 
Total net liability for unpaid claim and claim adjustment expenses$19,725 
Medical Professional Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$427 $487 $485 $499 $508 $510 $508 $514 $513 $509 $12 16,205 
2017412 449 458 460 455 460 456 463 458 11 15,400 
2018404 429 431 448 470 495 499 507 34 15,358 
2019430 445 458 471 469 481 478 17 14,572 
2020477 476 455 447 419 400 57 11,381 
2021377 376 374 349 318 57 10,085 
2022329 329 333 323 87 10,353 
2023340 350 382 129 11,129 
2024343 376 199 11,002 
2025390 317 9,107 
 Total$4,141 $920 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$18 $121 $246 $339 $401 $436 $460 $483 $489 $491 
201719 107 235 308 355 388 417 427 438 
201821 115 211 290 349 418 453 463 
201917 91 183 280 349 395 425 
202011 61 139 201 258 303 
202111 49 118 170 223 
202210 57 122 171 
202314 86 160 
202413 82 
202515 
Total$2,771 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,370 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
47 
Liability for unallocated claim adjustment expenses for accident years presented51 
Total net liability for unpaid claim and claim adjustment expenses$1,468 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$60 $(2)$14 $$$(2)$$(1)$(4)$82 
201737 (5)(4)(5)46 
201825 17 22 25 8 103 
201915 13 13 (2)12 (3)48 
2020(1)(21)(8)(28)(19)(77)
2021(1)(2)(25)(31)(59)
2022— (10)(6)
202310 32 42 
202433 33 
Total net development for the accident years presented above15 (17)1 
Total net development for accident years prior to 2016
(10)1 
Total unallocated claim adjustment expense development— — (2)
Total$$(8)$ 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Other Professional Liability and Management Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$901 $900 $900 $904 $907 $891 $888 $906 $912 $910 $28 17,993 
2017847 845 813 791 775 758 746 752 744 25 18,223 
2018850 864 869 906 923 941 987 1,003 44 20,083 
2019837 845 856 876 939 970 984 79 19,577 
2020930 944 951 945 945 936 106 19,558 
20211,037 1,038 1,009 965 956 190 18,444 
20221,120 1,112 1,084 1,049 265 18,534 
20231,149 1,166 1,239 365 19,902 
20241,150 1,200 609 20,579 
20251,208 978 19,311 
        Total$10,229 $2,689  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$64 $248 $466 $625 $701 $736 $784 $826 $856 $862 
201757 222 394 498 557 596 630 672 699 
201854 282 473 599 706 779 847 886 
201964 263 422 567 699 801 864 
202067 248 400 523 660 751 
202158 217 356 502 634 
202264 225 453 638 
202364 302 594 
202477 315 
202581 
Total$6,324 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$3,905 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
101 
Liability for unallocated claim adjustment expenses for accident years presented67 
Total net liability for unpaid claim and claim adjustment expenses$4,073 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended
December 31
Total
Accident Year
2016$(1)$— $$$(16)$(3)$18 $$(2)$
2017(2)(32)(22)(16)(17)(12)(8)(103)
201814 37 17 18 46 16 153 
201911 20 63 31 14 147 
202014 (6)— (9)
2021(29)(44)(9)(81)
2022(8)(28)(35)(71)
202317 73 90 
202450 50 
Total net development for the accident years presented above44 34 90 
Total net development for accident years prior to 2016
(7)10 (18)
Total unallocated claim adjustment expense development— (3)
Total$37 $49 $69 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Surety
Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$124 $124 $109 $84 $67 $64 $58 $43 $43 $43 $5,590 
2017120 115 103 84 71 66 67 67 66 5,928 
2018114 108 91 62 56 51 49 58 6,322 
2019119 112 98 87 82 82 81 6,286 
2020128 119 81 67 57 67 4,918 
2021137 129 110 91 74 12 5,003 
2022155 158 132 118 53 5,131 
2023175 169 147 92 4,889 
2024171 167 124 4,397 
2025163 155 3,143 
 Total$984 $456 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$$37 $45 $45 $43 $43 $41 $40 $40 $40 
201723 37 41 46 49 62 62 63 63 
201825 34 39 40 41 41 46 
201912 34 44 59 70 74 75 
202020 28 33 44 57 
202120 35 42 59 
202212 35 52 59 
202327 52 
202420 37 
20254 
Total$492 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$492 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
13 
Liability for unallocated claim adjustment expenses for accident years presented16 
Total net liability for unpaid claim and claim adjustment expenses$521 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$— $(15)$(25)$(17)$(3)$(6)$(15)$— $ $(81)
2017(5)(12)(19)(13)(5)— (1)(54)
2018(6)(17)(29)(6)(5)(2)9 (56)
2019(7)(14)(11)(5)— (1)(38)
2020(9)(38)(14)(10)10 (61)
2021(8)(19)(19)(17)(63)
2022(26)(14)(37)
2023(6)(22)(28)
2024(4)(4)
Total net development for the accident years presented above(54)(63)(40)
Total net development for accident years prior to 2016
11 (5)(7)
Total unallocated claim adjustment expense development— — (3)
Total$(43)$(68)$(50)
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Commercial Auto

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNR Cumulative
Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$198 $186 $186 $186 $190 $195 $200 $197 $195 $194 $— 30,459 
2017199 198 200 221 232 239 241 241 237 — 30,948 
2018229 227 227 245 254 255 260 259 34,333 
2019257 266 289 323 325 327 323 — 37,281 
2020
310 303 304 298 303 299 29,192 
2021
397 388 390 393 377 16 33,063 
2022
437 465 496 506 55 37,327 
2023
554 620 635 120 42,921 
2024
726 799 270 49,670 
2025
886 616 41,075 
 Total$4,515 $1,085 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$52 $93 $126 $154 $175 $185 $190 $192 $193 $193 
201758 107 150 178 203 225 232 235 237 
201866 128 175 212 238 249 256 257 
201977 147 203 257 295 312 319 
202071 134 197 246 276 287 
202183 168 240 305 347 
2022112 236 334 411 
2023127 270 414 
2024153 345 
2025163 
Total$2,973 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,542 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
5 
Liability for unallocated claim adjustment expenses for accident years presented26 
Total net liability for unpaid claim and claim adjustment expenses$1,573 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$(12)$— $— $$$$(3)$(2)$(1)$(4)
2017(1)21 11 — (4)38 
2018(2)— 18 (1)30 
201923 34 (4)66 
2020(7)(6)(4)(11)
2021(9)(16)(20)
202228 31 10 69 
202366 15 81 
202473 73 
Total net development for the accident years presented above26 110 68 
Total net development for accident years prior to 2016
(3)3 
Total unallocated claim adjustment expense development— 3 
Total$33 $107 $74 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
General Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNR Cumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$623 $659 $667 $671 $673 $683 $684 $704 $712 $723 $23 24,982 
2017632 632 632 634 630 652 690 713 749 15 22,611 
2018653 644 646 639 650 679 665 663 63 20,631 
2019680 682 682 691 720 727 747 98 20,091 
2020723 722 726 736 702 662 139 15,152 
2021782 784 793 814 833 189 16,349 
2022929 928 930 952 316 18,494 
20231,071 1,106 1,146 516 18,905 
20241,271 1,295 833 20,250 
20251,381 1,218 15,771 
 Total$9,151 $3,410 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$32 $163 $279 $407 $481 $524 $582 $620 $652 $681 
201723 118 250399 471 553 606 657 705 
201833 107228 307 428 491 546 573 
20192598 181 322 455 532 607 
202023 99 192 280 367 450 
202126 140 262 391 542 
202229 123 260 439 
202333 153 356 
202434 180 
202543 
Total$4,576 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$4,575 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
179 
Liability for unallocated claim adjustment expenses for accident years presented83 
Total net liability for unpaid claim and claim adjustment expenses$4,837 

Net Strengthening (Releases) of Prior Accident Year Reserves

Years Ended December 31
         
Total
Accident Year          
2016$36 $$$$10 $$20 $$11 $100 
2017 — — (4)22 38 23 36 117  
2018 (9)(7)11 29 (14)(2)10  
2019 — 29 20 67  
2020 (1)10 (34)(40)(61) 
2021 21 19 51  
2022 (1)22 23  
2023 35 40 75  
202424 24  
Total net development for the accident years presented above 13448130  
Total net development for accident years prior to 2016
15 27 (30)  
Total unallocated claim adjustment expense development — 14  
Total $149 $75 $114   
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Workers’ Compensation

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$426 $405 $396 $382 $366 $355 $331 $308 $293 $287 $40 32,007 
2017440 432 421 400 402 399 398 383 364 44 33,164 
2018450 440 428 415 415 404 399 393 57 34,930 
2019452 449 437 436 419 416 410 57 34,398 
2020477 466 446 414 393 363 74 29,506 
2021468 454 432 421 412 97 30,150 
2022497 489 478 467 108 33,488 
2023555 551 541 161 37,037 
2024574 586 196 38,866 
2025646 348 36,112 
        Total$4,469 $1,182  

Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year          
2016$53 $129 $169 $198 $219 $227 $234 $235 $238 $238 
201763 151 207 243 265 279 287 293 295 
201868 163 229 259 280 298 307 313 
201971 169 223 262 291 310 320 
202065 147 200 228 246 257 
202167 164 222 256 273 
202279 192 258 299 
202387 209 286 
2024111 264 
2025127 
 Total$2,672 
  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,797 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
1,648 
Other (b)(23)
Liability for unallocated claim adjustment expenses for accident years presented60 
Total net liability for unpaid claim and claim adjustment expenses $3,482 

Net Strengthening (Releases) of Prior Accident Year Reserves

Years Ended December 31
         
Total
Accident Year          
2016$(21)$(9)$(14)$(16)$(11)$(24)$(23)$(15)$(6)$(139)
2017 (8)(11)(21)(3)(1)(15)(19)(76) 
2018 (10)(12)(13)— (11)(5)(6)(57) 
2019 (3)(12)(1)(17)(3)(6)(42) 
2020 (11)(20)(32)(21)(30)(114) 
2021 (14)(22)(11)(9)(56) 
2022 (8)(11)(11)(30) 
2023 (4)(10)(14) 
202412 12  
Total net development for the accident years presented above (114)(85)(85)  
Adjustment for development on a discounted basis (2)(2)2   
Total net development for accident years prior to 2016
(93)(115)(52)  
Total unallocated claim adjustment expense development —    
Total $(203)$(202)$(135)  
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
(b)Other includes the effect of discounting lifetime claim reserves.
The table below presents information about average historical claims duration as of December 31, 2025 and is presented as required supplementary information, which is unaudited.

Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:
 12345678910
           
Medical professional liability3.6%16.6%21.4%16.7%13.2%9.7%6.1%2.9%1.8%0.4%
Other professional liability and management liability6.419.519.815.011.57.35.84.73.50.7
Surety (a)15.236.212.98.46.39.2(0.9)2.6
Commercial auto22.622.519.115.210.75.52.60.90.7
General liability3.412.115.516.614.59.88.45.45.44.0
Workers’ compensation17.624.214.58.85.83.82.31.20.8

(a)Due to the nature of the Surety business, average annual percentage payout of ultimate net incurred claim and allocated claim adjustment expenses has been calculated using only the payouts of mature accident years presented in the loss reserve development tables.

A&EP Reserves

In 2010, Continental Casualty Company (“CCC”) together with several insurance subsidiaries completed a transaction with National Indemnity Company (“NICO”), a subsidiary of Berkshire Hathaway Inc., under which substantially all of their legacy A&EP liabilities were ceded to NICO through a loss portfolio transfer (“LPT”). At the effective date of the transaction, approximately $1.6 billion of net A&EP claim and allocated claim adjustment expense reserves were ceded to NICO under a retroactive reinsurance agreement with an aggregate limit of $4.0 billion. The $1.6 billion of claim and allocated claim adjustment expense reserves ceded to NICO was net of $1.2 billion of ceded claim and allocated claim adjustment expense reserves under existing third party reinsurance contracts. The NICO LPT aggregate reinsurance limit also covers credit risk on the existing third party reinsurance related to these liabilities. NICO was paid a reinsurance premium of $2.0 billion and billed third party reinsurance receivables related to A&EP claims with a net book value of $215 million were transferred to NICO, resulting in total consideration of $2.2 billion.

In years subsequent to the effective date of the LPT, adverse prior year development on A&EP reserves was recognized resulting in additional amounts ceded under the LPT. As a result, the cumulative amounts ceded under the LPT have exceeded the $2.2 billion consideration paid, resulting in the NICO LPT moving into a gain position, requiring retroactive reinsurance accounting. Under retroactive reinsurance accounting, this gain is deferred and only recognized in earnings in proportion to actual paid recoveries under the LPT. Over the life of the contract, there is no economic impact as long as any additional losses incurred are within the limit of the LPT. In a period in which a change in the estimate of A&EP reserves is recognized that increases or decreases the amounts ceded under the LPT, the proportion of actual paid recoveries to total ceded losses is affected and the change in the deferred gain is recognized in earnings as if the revised estimate of ceded losses was available at the effective date of the LPT. The effect of the deferred retroactive reinsurance benefit is recorded in Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations.

The following table presents the impact of the Loss Portfolio Transfer on the Consolidated Statements of Operations.

Year Ended December 31
202520242023
(In millions)   
    
Additional amounts ceded under LPT$185 $103 $86 
Retroactive reinsurance benefit recognized(140)(95)(94)
Pretax impact of deferred retroactive reinsurance$45 $$(8)
Additional amounts ceded under the LPT of $185 million, $103 million and $86 million for the years ended December 31, 2025, 2024 and 2023 were primarily driven by unfavorable development in each year as a result of higher than anticipated defense and indemnity costs on known direct asbestos and environmental accounts.

As of December 31, 2025 and 2024, the cumulative amounts ceded under the LPT were $3.9 billion and $3.7 billion. The unrecognized deferred retroactive reinsurance benefit was $470 million and $425 million as of December 31, 2025 and 2024 and is included within Other liabilities on the Consolidated Balance Sheets.

NICO established a collateral trust account as security for its obligations under the LPT. The fair value of the collateral trust account was $2.4 billion as of December 31, 2025. In addition, Berkshire Hathaway Inc. guaranteed the payment obligations of NICO up to the aggregate reinsurance limit as well as certain of NICO’s performance obligations under the trust agreement. NICO is responsible for claims handling and billing and collection from third-party reinsurers related to A&EP claims.

Excess Workers’ Compensation LPT

On February 5, 2021, CNA completed a transaction with Cavello Bay Reinsurance Limited (“Cavello”), a subsidiary of Enstar Group Limited, under which certain legacy excess workers’ compensation (“EWC”) liabilities were ceded to Cavello. Under the terms of the transaction, based on reserves in place as of January 1, 2020, approximately $690 million of net EWC claim and allocated claim adjustment expense reserves were ceded to Cavello under a loss portfolio transfer (“EWC LPT”) with an aggregate limit of $1.0 billion. Cavello was paid a reinsurance premium of $697 million.

Net favorable prior year development of $75 million was recognized before consideration of cessions to the EWC LPT for the year ended December 31, 2025 primarily driven by lower than expected severity in older accident years. This favorable development was entirely offset by ceded retroactive reserve development under the EWC LPT.

As of December 31, 2025, the cumulative amount ceded under the EWC LPT was $615 million.

Cavello established a collateral trust as security for its obligations. The fair value of the collateral trust was $247 million as of December 31, 2025.
v3.25.4
Future Policy Benefits Reserves
12 Months Ended
Dec. 31, 2025
Insurance [Abstract]  
Future Policy Benefits Reserves Future Policy Benefits Reserves
Future policy benefits reserves are associated with CNA’s run-off long-term care business, included in Other Insurance Operations, and relate to policyholders that are currently receiving benefits, including claims that have been incurred but are not yet reported, as well as policyholders that are not yet receiving benefits. Future policy benefits reserves are comprised of the LFPB which is reflected as Insurance reserves: Future policy benefits on the Consolidated Balance Sheets.

The determination of Future policy benefits reserves requires management to make estimates and assumptions about expected policyholder experience over the remaining life of the policy. Since policies may be in force for several decades, these assumptions are subject to significant estimation risk. As a result of this variability, CNA’s future policy benefits reserves may be subject to material increases if actual experience develops adversely to its expectations.

Annually in the third quarter, actuarial analysis is performed on policyholder morbidity, persistency, premium rate actions and expense experience. This analysis, combined with judgment, informs the setting of updated cash flow assumptions used to estimate the LFPB. Actuarial analysis includes predictive modeling, actual to expected experience comparisons and trend analysis. Applicable industry research is also considered.

The cash flow assumption updates completed in the third quarter of 2025 resulted in a $7 million pretax increase in the LFPB. Included in the assumption updates were unfavorable incidence, claim closure and cost of care inflation impacts offset by favorable premium rate actions.

The cash flow assumption updates completed in the third quarter of 2024 resulted in a $15 million pretax increase in the LFPB. Included in the assumption updates was a favorable impact from outperformance on premium rate assumptions and an unfavorable impact from higher cost of care inflation.
The following table summarizes balances and changes in the LFPB.

202520242023
(In millions)
Present value of future net premiums
Balance, January 1$3,425 $3,710 $3,991 
Effect of changes in discount rate(7)(125)(74)
Balance, January 1, at original locked in discount rate3,418 3,585 3,917 
Effect of changes in cash flow assumptions (a)114 111 28 
Effect of actual variances from expected experience (a)(10)(41)(126)
Adjusted balance, January 13,522 3,655 3,819 
Interest accrual176 183 202 
Net premiums: earned during period(406)(420)(436)
Balance, end of period at original locked in discount rate3,292 3,418 3,585 
Effect of changes in discount rate71 125 
Balance, December 31
$3,363 $3,425 $3,710 
Present value of future benefits & expenses
Balance, January 1$16,583 $17,669 $17,471 
Effect of changes in discount rate440 (578)(125)
Balance, January 1, at original locked in discount rate17,023 17,091 17,346 
Effect of changes in cash flow assumptions (a)121 126 36 
Effect of actual variances from expected experience (a)87 69 (46)
Adjusted balance, January 117,231 17,286 17,336 
Interest accrual918 924 962 
Benefit & expense payments(1,165)(1,187)(1,207)
Balance, end of period at original locked in discount rate16,984 17,023 17,091 
Effect of changes in discount rate(173)(440)578 
Balance, December 31
$16,811 $16,583 $17,669 
Net LFPB, December 31
$13,448 $13,158 $13,959 

(a)
As of December 31, 2025, 2024 and 2023, the re-measurement loss of $(104), $(125) and $(88) presented parenthetically on the Consolidated Statement of Operations is comprised of the effect of changes in cash flow assumptions and the effect of actual variances from expected experience.
The following table presents earned premiums and interest accretion associated with the long-term care business recognized on the Consolidated Statement of Operations.

Year Ended December 31
202520242023
(In millions)
   
Earned premiums$423 $437 $451 
Interest accretion
742 741 760 

The following table presents undiscounted expected future benefit and expense payments and undiscounted expected future gross premiums.

December 31,
20252024
(In millions)
Expected future benefit and expense payments$31,323 $31,712 
Expected future gross premiums4,930 5,183 

Discounted expected future gross premiums at the upper-medium grade fixed income instrument yield discount rate were $3.5 billion and $3.6 billion as of December 31, 2025 and 2024.

The weighted average effective duration of the LFPB calculated using the original locked in discount rate was 11 years as of December 31, 2025 and 2024.

The weighted average interest rates in the table below are calculated based on the rate used to discount all future cash flows.

December 31,
20252024
Original locked in discount rate5.16 %5.20 %
Upper-medium grade fixed income instrument discount rate5.32 5.51 
For the years ended December 31, 2025 and 2024, immediate charges to net income resulting from adverse development in certain cohorts where the NPR exceeded 100% were $135 million and $159 million. For the years ended December 31, 2025 and 2024, the portion of losses recognized in a prior period due to NPR exceeding 100% for certain cohorts which, due to favorable development, was reversed through net income were $58 million and $29 million.
v3.25.4
Leases
12 Months Ended
Dec. 31, 2025
Leases [Abstract]  
Leases Leases
Lease agreements primarily cover office facilities and machinery and equipment and expire at various dates. Leases, predominantly operating leases, are included in Other assets and Other liabilities on the Consolidated Balance Sheets. The lease agreements do not contain significant residual value guarantees, restrictions or covenants.

Operating lease right of use assets and lease liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. The discount rate used to determine the commencement date present value of lease payments is typically the applicable secured borrowing rate, as most of the leases do not provide an implicit rate. The operating lease right of use asset was $301 million and $320 million and the operating lease liability was $375 million and $406 million at December 31, 2025 and 2024.

Total lease expense was $77 million, $79 million and $87 million for the years ended December 31, 2025, 2024 and 2023 which includes operating lease expense of $53 million, $51 million and $58 million, variable lease expense of $20 million, $23 million and $24 million and short-term lease expense of $4 million, $5 million and $5 million. Cash paid for amounts included in operating lease liabilities was $59 million, $80 million and $60 million for years ended December 31,
2025, 2024 and 2023. Operating lease right of use assets obtained in exchange for lease obligations was $27 million, $73 million and $39 million for the years ended December 31, 2025, 2024 and 2023.

The table below presents the maturities of lease liabilities:

Operating
As of December 31, 2025
Leases
(In millions) 
  
2026
$55 
2027
55 
2028
50 
2029
51 
2030
47 
Thereafter255 
Total513 
Less: discount138 
Total lease liabilities$375 

The table below presents the weighted average remaining lease term for operating leases and weighted average discount rate used in calculating the operating lease asset and liability.

As of December 31, 2025
 
  
Weighted average remaining lease term10.1 years
Weighted average discount rate4.2%
v3.25.4
Income Taxes
12 Months Ended
Dec. 31, 2025
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Loews Corporation and its eligible subsidiaries file a consolidated federal income tax return. Loews Corporation has entered into a separate tax allocation agreement with CNA. The agreement provides that Loews Corporation will: (i) pay to CNA the amount, if any, by which Loews Corporation’s consolidated federal income tax is reduced by virtue of inclusion of CNA in Loews Corporation’s return or (ii) be paid by CNA an amount, if any, equal to the federal income tax that would have been payable by CNA if it had filed a separate consolidated return. The agreement may be canceled by either of the parties upon thirty days written notice.

For 2023 through 2025, the Company participates in the Internal Revenue Service (“IRS”) Compliance Assurance Process (“CAP”), which is a voluntary program for large corporations. Under CAP, the IRS conducts a real-time audit and works contemporaneously with the Company to resolve any issues prior to the filing of the tax return. For 2023, the Company was selected to participate in the phase of CAP reserved for taxpayers whose risk of noncompliance did not support use of IRS resources. The Company believes that participation in CAP should reduce tax-related uncertainties, if any. Although the outcome of tax audits is always uncertain, the Company believes that any adjustments resulting from audits will not have a material impact on its results of operations, financial position or cash flows. The Company and/or its subsidiaries also file income tax returns in various state, local and foreign jurisdictions. These returns, with few exceptions, are no longer subject to examination by the various taxing authorities before 2021.
The components of U.S. and foreign income before income tax expense and the current and deferred components of income tax expense (benefit) are as follows:

Year Ended December 31
202520242023
(In millions)
Income before income tax expense:
U.S.$1,999 $1,672 $1,798 
Foreign284 202 198 
Total$2,283 $1,874 $1,996 

Current tax expense
Federal
$314 $320 $267 
State and local
37 47 20 
Foreign
48 58 37 
Total current tax expense
399 425 324 
Deferred tax expense (benefit)
Federal
81 (10)81 
State and local
10 (40)31 
Foreign
21 15 
Total deferred tax expense (benefit)112 (45)127 
Total income tax expense
Federal
395 310 348 
State and local
47 51 
Foreign
69 63 52 
Total income tax expense$511 $380 $451 
A reconciliation of income tax expense at the federal statutory tax rate to income tax expense at the effective tax rate is as follows:

Year Ended December 31
202520242023
(In millions, except %)

AmountPercent
Amount
Percent
Amount
Percent
Income tax expense at federal statutory tax rate
$479 21.0 %$393 21.0 %$419 21.0 %
State and local income taxes, net of federal
   income tax effect (a)
38 1.7 %0.4 %42 2.1 %
Foreign tax effects
Canada
22 1.0 %32 1.7 %23 1.1 %
Other
9 0.4 %0.4 %0.4 %
Tax credits
Foreign tax credits
(25)(1.1)%(36)(1.9)%(26)(1.3)%
Other
(6)(0.3)%(7)(0.4)%(2)(0.1)%
Nontaxable or nondeductible items
Nontaxable investment income
(30)(1.3)%(26)(1.4)%(31)(1.6)%
Other
14 0.6 %13 0.7 %12 0.6 %
Other adjustments
10 0.4 %(3)(0.2)%0.4 %
Income tax expense
$511 22.4 %$380 20.3 %$451 22.6 %
(a)In 2025, state taxes in Florida, Illinois and Louisiana made up the majority of the tax effect in this category. In 2024, state taxes in Florida made up the majority of the tax effect in this category. In 2023, state taxes in Florida, Illinois, Louisiana and New York made up the majority of the tax effect in this category.

For the year ended December 31, 2024, state and local income taxes include a $36 million income tax benefit from an adjustment to deferred state income taxes for a rate reduction effective in 2025 resulting from legislation enacted during the fourth quarter of 2024.

As of December 31, 2025, no deferred taxes are required on the undistributed earnings of subsidiaries subject to tax.

As of December 31, 2025, 2024 and 2023, there were no unrecognized tax benefits.

For the years ended December 31, 2025, 2024 and 2023, no interest expense or penalties were recorded in Income tax expense.
The following table summarizes deferred tax assets and liabilities:

December 3120252024
(In millions)  
   
Deferred tax assets:  
Insurance reserves:  
Property and casualty claim and claim adjustment expense reserves$276 $234 
Unearned premium reserves227 225 
Deferred revenue84 85 
Employee benefits81 79 
Deferred retroactive reinsurance benefit99 89 
Net unrealized losses258 485 
Other assets179 188 
Total deferred tax assets1,204 1,385 
Valuation allowance(25)(19)
Net deferred tax assets1,179 1,366 
   
Deferred tax liabilities:  
Deferred acquisition costs(143)(140)
Policyholder reserves(25)(48)
Property, plant and equipment(1,056)(963)
Basis differential in investment in subsidiary(473)(481)
Investment valuation differences(218)(176)
Other liabilities(87)(69)
Total deferred tax liabilities(2,002)(1,877)
 
Net deferred tax liabilities (a)$(823)$(511)
(a) Includes deferred tax assets reflected in Other assets on the Consolidated Balance Sheets at December 31, 2025 and 2024
$16 $39 
As of December 31, 2025, the Company has a U.S. foreign tax credit carryforward of $6 million that expires in 2034. In addition, as of December 31, 2025, the Company has net operating loss carryforwards in foreign tax jurisdictions of $83 million and tax credit carryforwards in such jurisdictions of $13 million that do not expire.

Although realization of deferred tax assets is not assured, management believes it is more likely than not that the recognized deferred tax assets, net of valuation allowance, will be realized through recoupment of ordinary and capital taxes paid in prior carryback years and through future earnings, reversal of existing temporary differences and available tax planning strategies. As of December 31, 2025, a valuation allowance of $25 million has been recorded related to state net operating losses and disallowed business interest expense from joint ventures.
v3.25.4
Debt
12 Months Ended
Dec. 31, 2025
Debt Disclosure [Abstract]  
Debt Debt
December 3120252024
(In millions)  
   
Loews Corporation (Parent Company):  
Senior:  
3.8% notes due 2026 (effective interest rate of 3.9%) (authorized, $500)
$500 $500 
3.2% notes due 2030 (effective interest rate of 3.3%) (authorized, $500)
500 500 
6.0% notes due 2035 (effective interest rate of 6.2%) (authorized, $300)
300 300 
4.1% notes due 2043 (effective interest rate of 4.3%) (authorized, $500)
500 500 
CNA Financial:
Senior:
4.5% notes due 2026 (effective interest rate of 4.5%) (authorized, $500)
500 
3.5% notes due 2027 (effective interest rate of 3.5%) (authorized, $500)
500 500 
3.9% notes due 2029 (effective interest rate of 3.9%) (authorized, $500)
500 500 
2.1% notes due 2030 (effective interest rate of 2.1%) (authorized, $500)
500 500 
5.5% notes due 2033 (effective interest rate of 5.7%) (authorized, $500)
500 500 
5.1% notes due 2034 (effective interest rate of 5.3%) (authorized, $500)
500 500 
5.2% notes due 2035 (effective interest rate of 5.2%) (authorized, $500)
500 
Boardwalk Pipelines:
Senior:
6.0% notes due 2026 (effective interest rate of 6.2%) (authorized, $550)
550 550 
4.5% notes due 2027 (effective interest rate of 4.6%) (authorized, $500)
500 500 
7.3% debentures due 2027 (effective interest rate of 8.1%) (authorized, $100)
100 100 
4.8% notes due 2029 (effective interest rate of 4.9%) (authorized, $500)
500 500 
3.4% notes due 2031 (effective interest rate of 3.5%) (authorized, $500)
500 500 
3.6% notes due 2032 (effective interest rate of 3.7%) (authorized, $500)
500 500 
5.6% notes due 2034 (effective interest rate of 5.8%) (authorized, $600)
600 600 
5.4% notes due 2036 (effective interest rate of 5.5%) (authorized, $550)
550 
Finance lease obligation3 
Loews Hotels & Co:
Senior debt, principally mortgages (effective interest rates approximate 5.9% and 6.7%)
1,009 1,011 
 9,612 9,065 
Less unamortized discount and issuance costs72 70 
Less intercompany eliminations51 51 
Debt$9,489 $8,944 
December 31, 2025PrincipalUnamortized Discount and Issuance CostsNetShort Term DebtLong Term Debt
(In millions)     
      
Loews Corporation$1,800 $14 $1,786 $500 $1,286 
CNA Financial3,000 29 2,971 2,971 
Boardwalk Pipelines3,803 21 3,782 550 3,232 
Loews Hotels & Co1,009 8 1,001 2 999 
Less intercompany eliminations51 51 51 
Total$9,561 $72 $9,489 $1,052 $8,437 

At December 31, 2025, the aggregate long-term debt maturing in each of the next five years is approximately as follows: $1.1 billion in 2026, $1.1 billion in 2027, $56 million in 2028, $1.2 billion in 2029, $1.1 billion in 2030 and $5.1 billion thereafter. Long-term debt is generally redeemable in whole or in part at the greater of the principal amount or the net present value of remaining scheduled payments discounted at the specified treasury rate plus a margin.

CNA is a member of the Federal Home Loan Bank of Chicago (“FHLBC”). FHLBC membership provides participants with access to additional sources of liquidity through various programs and services. As a requirement of membership in the FHLBC, CNA held $5 million of FHLBC stock as of December 31, 2025, giving it access to approximately $108 million of additional liquidity. As of December 31, 2025 and 2024, CNA had no outstanding borrowings from the FHLBC.

In 2023, CNA amended and restated its existing credit agreement with a syndicate of banks. The agreement provides a five-year $250 million senior unsecured revolving credit facility which is intended to be used for general corporate purposes. At CNA’s election, the commitments under the amended and restated credit agreement may be increased from time to time up to an additional aggregate amount of $100 million, and two one-year extensions are available prior to any anniversary of the closing date, each subject to applicable consents. As of December 31, 2025, CNA had no outstanding borrowings under the credit agreement and was in compliance with all covenants.

In 2025, CNA completed a public offering of $500 million aggregate principal amount of its 5.2% senior notes due August 15, 2035 and redeemed the $500 million outstanding aggregate principal amount of its 4.5% senior notes in advance of the March 1, 2026 maturity date.

In 2025, Boardwalk Pipelines amended and restated its existing revolving credit agreement with Wells Fargo Bank, N.A., providing for available borrowing capacity of $1 billion through November 10, 2030. As of December 31, 2025, Boardwalk Pipelines had no outstanding borrowings under its revolving credit facility. As of December 31, 2025, Boardwalk Pipelines was in compliance with its covenants under the amended and restated credit agreement.

In 2025, Boardwalk Pipelines completed a public offering of $550 million aggregate principal amount of its 5.4% senior notes due February 15, 2036, the proceeds of which will be used to redeem on March 1, 2026 the outstanding $550 million aggregate principal amount of its 6.0% senior notes due June 1, 2026 at a redemption price equal to par plus accrued and unpaid interest.

In 2025, Loews Hotels & Co refinanced $363 million in loans. Loews Hotels & Co, through its subsidiaries, has debt with various lenders which is generally secured by specific hotel properties. These loans include a range of financial and operational covenants.
v3.25.4
Shareholders' Equity
12 Months Ended
Dec. 31, 2025
Equity [Abstract]  
Shareholders' Equity Shareholders’ Equity
Accumulated other comprehensive income (loss)

The tables below present the changes in AOCI by component for the years ended December 31, 2023, 2024 and 2025:

 Net Unrealized Gains (Losses) on Investments with an Allowance for Credit LossesNet Unrealized Gains (Losses) on Other InvestmentsCumulative
impact of
changes in
discount
rates used to
measure long
duration
contracts
Unrealized Gains (Losses) on Cash Flow Hedges Pension and Postretirement Benefits Foreign Currency Translation Total Accumulated Other Comprehensive Income (Loss)
(In millions)      
       
Balance, January 1, 2023
$(7)$(2,469)$(36)$14 $(622)$(200)$(3,320)
Other comprehensive income (loss) before reclassifications, after tax of $6, $(290), $85, $2, $(10) and $0
(24)1,072 (318)(5)41 60 826 
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $(5), $(14), $0, $0, $(18) and $0
19 53 63 135 
Other comprehensive income (loss)(5)1,125 (318)(5)104 60 961 
Amounts attributable to noncontrolling interests(93)26 (5)(5)(77)
Purchase of CNA shares(46)(1)(10)(4)(61)
Balance, December 31, 2023
$(12)$(1,483)$(329)$$(533)$(149)$(2,497)
Other comprehensive income (loss) before reclassifications, after tax of $9, $81, $(189), $(1), $(6) and $1
(34)(309)712 22 (102)289 
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $(9), $(13), $0, $0, $(86) and $0
33 47 318 398 
Other comprehensive income (loss)(1)(262)712 — 340 (102)687 
Amounts attributable to noncontrolling interests22 (59)(28)(57)
Other
(3)— 
Balance, December 31, 2024
$(13)$(1,720)$324 $$(224)$(243)$(1,867)
Other comprehensive income (loss) before reclassifications, after tax of $5, $(226), $43, $5, $(4) and $0
(22)841 (161)(7)13 144 808 
Reclassification of losses from accumulated other comprehensive loss, after tax of $(5), $(12), $0, $0, $1 and $0
20 46   1  67 
Other comprehensive income (loss)(2)887 (161)(7)14 144 875 
Amounts attributable to noncontrolling interests (73)13  (2)(12)(74)
Other (1)    (1)
Balance, December 31, 2025
$(15)$(907)$176 $2 $(212)$(111)$(1,067)
Amounts reclassified from AOCI shown above are reported in Net income (loss) as follows:

Major Category of AOCIAffected Line Item
  
Net unrealized gains (losses) on investments with an allowance for credit losses and Net unrealized gains (losses) on other investmentsInvestment gains (losses)
Unrealized gains (losses) on cash flow hedgesOperating revenues and other, Interest expense and Operating expenses and other
Pension and postretirement benefitsOperating expenses and other

Common Stock Dividends

Loews Corporation declared and paid dividends of $0.25 per share in the aggregate on its common stock in each of 2025, 2024 and 2023.

There are no restrictions on Loews Corporation’s retained earnings or net income with regard to payment of dividends. However, as a holding company, Loews Corporation relies upon invested cash balances and distributions from its subsidiaries to generate the funds necessary to declare and pay any dividends to holders of its common stock. The ability of Loews Corporation’s subsidiaries to pay dividends is subject to, among other things, the availability of sufficient earnings and funds in such subsidiaries, compliance with covenants in their respective credit agreements and applicable state laws, including in the case of the insurance subsidiaries of CNA, laws and rules governing the payment of dividends by regulated insurance companies. See Note 14 for a discussion of the regulatory restrictions on CNA’s availability to pay dividends.

Stock Purchases

Loews Corporation repurchased 8.9 million, 7.7 million and 14.0 million shares of its common stock at aggregate costs of $0.8 billion, $0.6 billion and $0.9 billion during the years ended December 31, 2025, 2024 and 2023. On December 31, 2025, 9.1 million shares of Loews Corporation common stock were retired. Upon retirement, treasury stock was eliminated through a reduction to common stock, APIC and retained earnings. Loews Corporation purchased 4.5 million shares of CNA’s common stock at an aggregate cost of $178 million in 2023.

Stock Issuances

Loews Corporation issued 0.2 million, 0.3 million and 0.2 million shares of its common stock to settle stock-based compensation awards during the years ended December 31, 2025, 2024 and 2023.
v3.25.4
Revenue from Contracts with Customers
12 Months Ended
Dec. 31, 2025
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
Disaggregation of revenues Revenue from contracts with customers, other than insurance premiums, is reported as Non-insurance warranty revenue and within Operating revenues and other on the Consolidated Statements of Operations. The following table presents revenues from contracts with customers disaggregated by revenue type along with the reportable segment and a reconciliation to Operating revenues and other as reported in Note 19:

Year Ended December 31
202520242023
(In millions)   
    
Non-insurance warranty – CNA Financial$1,577 $1,609 $1,624 
 
Transportation and storage of natural gas and NGLs and ethane supply and transportation services – Boardwalk Pipelines$2,263 $1,987 $1,582 
Lodging and related services – Loews Hotels & Co911 906 778 
Total revenues from contracts with customers3,174 2,893 2,360 
Other revenues105 98 95 
Operating revenues and other$3,279 $2,991 $2,455 
Receivables from contracts with customers – As of December 31, 2025 and 2024, receivables from contracts with customers were approximately $252 million and $240 million and are included within Receivables on the Consolidated Balance Sheets.

Deferred revenue – As of December 31, 2025 and 2024, deferred revenue resulting from contracts with customers was approximately $4.2 billion and $4.6 billion and is reported as Deferred non-insurance warranty revenue and within Other liabilities on the Consolidated Balance Sheets. The decrease in the deferred revenue balance for the year ended December 31, 2025 was primarily driven by recognized revenue from prior periods outpacing new growth in CNA’s non-insurance warranty business. Approximately $1.4 billion and $1.5 billion of revenues recognized during each of the years ended December 31, 2025 and 2024 were included in deferred revenue as of January 1, 2025 and 2024.

Contract costs – As of December 31, 2025 and 2024, the Company had approximately $3.2 billion and $3.5 billion of costs to obtain contracts with customers related to CNA for amounts paid to dealers and other agents to obtain non-insurance warranty contracts, which are reported as Deferred non-insurance warranty acquisition expenses on the Consolidated Balance Sheets. For the years ended December 31, 2025 and 2024, amortization expense of $1.2 billion is reported as Non-insurance warranty expense on the Consolidated Statement of Operations. There were no adjustments to deferred costs recorded for the years ended December 31, 2025 and 2024.

Performance obligations – As of December 31, 2025, approximately $23.6 billion of estimated operating revenues is expected to be recognized in the future related to outstanding performance obligations. The balance relates primarily to revenues for transportation and storage services for natural gas and natural gas liquids, olefins and other hydrocarbons (“NGLs”) and certain ethane supply contracts at Boardwalk Pipelines and non-insurance warranty revenue at CNA. Included in the balance are $9.9 billion of revenues that are anticipated under executed precedent or long-term firm transportation agreements associated with Boardwalk Pipelines’ growth projects. Approximately $2.9 billion is expected to be recognized during 2026, $2.3 billion in 2027 and the remainder in following years. The actual timing of recognition may vary due to factors outside of the Company’s control.
v3.25.4
Statutory Accounting Practices
12 Months Ended
Dec. 31, 2025
Statutory Accounting Practices [Abstract]  
Statutory Accounting Practices Statutory Accounting Practices
CNA’s insurance subsidiaries are domiciled in various jurisdictions. These subsidiaries prepare statutory financial statements in accordance with accounting practices prescribed or permitted by the respective jurisdictions’ insurance regulators. Domestic prescribed statutory accounting practices are set forth in a variety of publications of the National Association of Insurance Commissioners (“NAIC”) as well as state laws, regulations and general administrative rules. These statutory accounting principles vary in certain respects from GAAP. In converting from statutory accounting principles to GAAP, the more significant adjustments include deferral of policy acquisition costs and the inclusion of net unrealized holding gains or losses in shareholders’ equity relating to certain fixed maturity securities.

CNA has a prescribed practice as it relates to the accounting under Statement of Statutory Accounting Principles No. 62, Property and Casualty Reinsurance, paragraphs 87 and 88 in conjunction with the 2010 loss portfolio transfer with NICO which is further discussed in Note 7. The prescribed practice allows CNA to aggregate all third party A&EP reinsurance balances administered by NICO in Schedule F and to utilize the LPT as collateral for the underlying third-party reinsurance balances for purposes of calculating the statutory reinsurance penalty. This prescribed practice increased statutory capital and surplus by $45 million and $55 million at December 31, 2025 and 2024.

The payment of dividends by CNA’s insurance subsidiaries without prior approval of the insurance department of each subsidiary’s domiciliary jurisdiction is generally limited by formula. Dividends in excess of these amounts are subject to prior approval by the respective insurance regulator.

Dividends from CCC are subject to the insurance holding company laws of the State of Illinois, the domiciliary state of CCC. Under these laws, ordinary dividends, or dividends that do not require prior approval by the Illinois Department of Insurance (the “Department”) are determined based on the greater of the prior year’s statutory net income or 10% of statutory surplus as of the end of the prior year, as well as the timing and amount of dividends paid in the preceding 12 months. Additionally, ordinary dividends may only be paid from earned surplus, which is calculated by removing unrealized gains from unassigned surplus. As of December 31, 2025, CCC was in a positive earned surplus position. The maximum allowable dividend CCC could pay during 2026 that would not be subject to the Department’s prior approval is $1.3 billion, less dividends paid during the preceding 12 months measured at that point in time. CCC paid dividends of $1.1 billion in 2025. The actual level of dividends paid in any year is determined after an assessment of available dividend capacity, holding company liquidity and cash needs as well as the impact the dividends will have on the statutory surplus of the applicable insurance company.
Combined statutory capital and surplus and statutory net income for the Combined Continental Casualty Companies are presented in the table below, determined in accordance with accounting practices prescribed or permitted by insurance and/or other regulatory authorities.

Statutory Capital and SurplusStatutory Net Income
 December 31
Year Ended December 31
 
2025(a)
2024
2025(a)
2024(b)
2023
(In millions)     
      
Combined Continental Casualty Companies$11,578$11,165$1,258$713$1,172

(a)Information derived from the statutory-basis financial statements to be filed with insurance regulators.
(b)Includes a $293 million after-tax loss from pension settlement transactions. Pension settlement transactions are further discussed in Note 15.

CNA’s domestic insurance subsidiaries are subject to risk-based capital (“RBC”) requirements. RBC is a method developed by the NAIC to determine the minimum amount of statutory capital appropriate for an insurance company to support its overall business operations in consideration of its size and risk profile. The formula for determining the amount of RBC specifies various factors, weighted based on the perceived degree of risk, which are applied to certain financial balances and financial activity. The adequacy of a company’s actual capital is evaluated by a comparison to the RBC results, as determined by the formula. Companies below minimum RBC requirements are classified within certain levels, each of which requires specified corrective action.

The statutory capital and surplus presented above for CCC as of December 31, 2025 and 2024 was significantly above the level at which any RBC regulatory action would occur. The statutory capital and surplus of CNA’s foreign insurance subsidiaries, which is not significant to the overall statutory capital and surplus, also met or exceeded their respective regulatory and other capital requirements.
v3.25.4
Benefit Plans
12 Months Ended
Dec. 31, 2025
Retirement Benefits [Abstract]  
Benefit Plans Benefit Plans
Pension Plans – Several non-contributory defined benefit plans are maintained for eligible employees. For benefits in certain plans, the accrued pension balance is credited with interest based on specified annual interest rates (which are established annually for all participants). The benefits for another plan which covers salaried employees are based on formulas which include, among others, years of service and average pay. The funding policy is to make contributions in accordance with applicable governmental regulatory requirements.

Other Postretirement Benefit Plans – Several postretirement benefit plans cover eligible employees and retirees. Participants generally become eligible after reaching age 55 with required years of service. Actual requirements for coverage vary by plan. Benefits for retirees who were covered by bargaining agreements vary by each unit and contract. Benefits for certain retirees are in the form of a health care account.

Benefits for retirees reaching age 65 are generally integrated with Medicare. Other retirees, based on plan provisions, must use Medicare as their primary coverage, with a portion of the unpaid amount being reimbursed by the employer; or are reimbursed for the Medicare Part B premium or have no employer coverage. The benefits provided are basically health and, for certain retirees, life insurance type benefits.

Certain of these benefit plans are funded and postretirement benefits are accrued during the active service of those employees who would become eligible for such benefits when they retire. December 31 is used as the measurement date for the plans.
Weighted average assumptions used to determine benefit obligations:

Pension BenefitsOther Postretirement Benefits
December 31202520242023202520242023
       
Discount rate5.1%5.4%5.0%5.3%5.5%5.1%
Interest crediting rate4.4%4.3%4.5%  
Rate of compensation increase
0.0% to 5.0%
0.0% to 4.5%
0.0% to 3.5%
   

Weighted average assumptions used to determine net periodic benefit cost:

Pension BenefitsOther Postretirement Benefits
Year Ended December 31
202520242023202520242023
       
Discount rate5.4%5.0%5.2%5.5%5.1%5.4%
Expected long-term rate of return on plan assets6.2%6.1%6.2%3.4%3.3%3.0%
Interest crediting rate4.3%4.5%3.5%   
Rate of compensation increase
0.0% to 4.5%
0.0% to 3.5%
0.0% to 3.8%
   

In determining the discount rate assumption, current market and liability information is utilized, including a discounted cash flow analysis of the pension and postretirement obligations. In particular, the basis for the discount rate selection was the yield on indices of highly rated fixed income debt securities with durations comparable to that of plan liabilities. The yield curve was applied to expected future retirement plan payments to adjust the discount rate to reflect the cash flow characteristics of the plans. The yield curves and indices evaluated in the selection of the discount rate are comprised of high quality corporate bonds that are rated AA by an accepted rating agency.

The expected long-term rate of return for plan assets is determined based on widely-accepted capital market principles, long-term return analysis for global fixed income and equity markets as well as the active total return oriented portfolio management style. Long-term trends are evaluated relative to market factors such as inflation, interest rates and fiscal and monetary policies, in order to assess the capital market assumptions as applied to the plan. Consideration of diversification needs and rebalancing is maintained.

Assumed health care cost trend rates:

December 31202520242023
    
Health care cost trend rate assumed for next year
4.0% to 7.0%
4.0% to 8.0%
4.0% to 7.0%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)
4.0% to 5.3%
4.0% to 5.5%
4.0% to 5.5%
Year that the rate reaches the ultimate trend rate
2026-2033
2025-2029
2024-2028

In 2024, a subsidiary of CNA, as a sponsor of the CNA Employee Retirement Plan Trust (the “Plan”), paid $1 billion to purchase a nonparticipating single premium group annuity contract with Metropolitan Life Insurance Company (the “Insurer”) that transferred to the Insurer $1 billion of the Plan’s defined benefit pension obligations. The group annuity contract covers approximately 7,600 Plan participants and beneficiaries (the “Transferred Participants”), representing approximately 60% of the Plan’s obligations. Under the group annuity contract, the Insurer has made an irrevocable commitment, and will be solely responsible, to pay the pension benefits of each Transferred Participant that are due on and after January 1, 2025. The purchase of the group annuity contract was funded directly by assets of the Plan and required no cash or asset contributions from CNA. As a result of the transaction, CNA recognized a pretax pension settlement charge of $367 million ($265 million after tax and noncontrolling interest). This charge is largely driven by the accelerated recognition of the actuarial pension loss from Accumulated other comprehensive income into Net income, which does not impact Shareholders’ equity.
In 2023, the Parent Company completed the termination of a non-contributory defined benefit plan. In total, the plan paid $66 million for the purchase of group annuity contracts from a third party insurance company to settle its obligations to retirees and certain participants and $34 million in lump sum payments to settle its obligations to certain other participants. The Company recorded a settlement expense of $47 million ($37 million after-tax) to recognize unrealized losses which were previously included in AOCI.

In 2023, the CNA Retirement Plan paid $80 million to settle its obligation to certain retirees through the purchase of a group annuity contract from a third party insurance company, which reduced the plan’s projected benefit obligation by $86 million.
Net periodic (benefit) cost components:

Pension Benefits
Other Postretirement Benefits
Year Ended December 31
202520242023202520242023
(In millions)      
       
Service cost$2 $$
Interest cost45 96 110 $2 $$
Expected return on plan assets(60)(119)(125)(3)(3)(3)
Amortization of unrecognized net loss7 29 35 1 
Amortization of unrecognized prior service benefit(2)
Settlements1 372 48 3 
Regulatory asset decrease1 
Net periodic (benefit) cost$(4)$380 $70 $1 $— $— 

The following provides a reconciliation of benefit obligations and plan assets:

Pension Benefits
Other Postretirement Benefits
 2025202420252024
(In millions)    
     
Change in benefit obligation:    
     
Benefit obligation at January 1$857 $1,991 $31 $34 
Service cost2 
Interest cost45 96 2 
Plan participants’ contributions1 
Amendments8 
Actuarial (gain) loss18 (29)2 
Benefits paid from plan assets(58)(149)(7)(7)
Settlements(9)(1,052)
Foreign exchange5 (2)
Benefit obligation at December 31
$860 $857 $37 $31 
Change in plan assets:
Fair value of plan assets at January 1$1,004 $2,074 $83 $83 
Actual return on plan assets96 120 5 
Company contributions14 13 3 
Plan participants' contributions1 
Benefits paid from plan assets(58)(149)(7)(7)
Settlements(9)(1,052)
Foreign exchange6 (2)
Fair value of plan assets at December 31
$1,053 $1,004 $85 $83 
Funded status$193 $147 $48 $52 
Pension Benefits
Other Postretirement Benefits
 2025202420252024
(In millions)    
     
Amounts recognized in the Consolidated Balance Sheets consist of:    
     
Other assets$332 $283 $56 $61 
Other liabilities(139)(136)(8)(9)
Net amount recognized$193 $147 $48 $52 
Amounts recognized in Accumulated other comprehensive income (loss), not yet recognized in net periodic (benefit) cost:
Prior service credit$1 $$9 
Net actuarial loss216 241 (2)$
Net amount recognized$217 $242 $7 $
Information for plans with projected and accumulated benefit obligations in excess of plan assets:
Projected benefit obligation$139 $136 
Accumulated benefit obligation139 136 $8 $
Fair value of plan assets — 

The accumulated benefit obligation for all defined benefit pension plans was $856 million and $854 million at December 31, 2025 and 2024.

A total return approach is employed whereby a mix of equity, limited partnerships and fixed maturity securities are used to maximize the long-term return of plan assets for a prudent level of risk and to manage cash flows according to plan requirements. The target allocation of plan assets is 0% to 40% invested in equity securities and limited partnerships, with the remainder primarily invested in fixed maturity securities. The intent of this strategy is to minimize expenses by generating investment returns that exceed the growth of the plan liabilities over the long run. Risk tolerance is established after careful consideration of the plan liabilities, plan funded status and corporate financial conditions. The investment portfolios contain a diversified blend of fixed maturity, equity and short-term securities. Alternative investments, including limited partnerships, are used to enhance risk adjusted long-term returns while improving portfolio diversification. At December 31, 2025, $86 million is committed to fund future capital calls from various third party limited partnership investments in exchange for an ownership interest in the related partnerships. Investment risk is monitored through annual liability measurements, periodic asset/liability studies and quarterly investment portfolio reviews.
The table below presents the estimated future minimum benefit payments at December 31, 2025.

Expected future benefit paymentsPension BenefitsOther Postretirement Benefits
(In millions)  
   
2026$85 $
202780 
202876 
202973 
203071 
2031 – 2035310 11 

In 2026, it is expected that contributions of approximately $19 million will be made to pension plans and $1 million to postretirement health care and life insurance benefit plans.

Pension plan assets measured at fair value on a recurring basis are summarized below.

December 31, 2025Level 1Level 2Level 3Total
(In millions)    
    
Plan assets at fair value:    
Fixed maturity securities:    
Corporate and other bonds$473 $4 $477 
States, municipalities and political subdivisions11 11 
Asset-backed103 8 111 
Total fixed maturities$ 587 12 599 
Equity securities35 36 71 
Short-term investments56 56 
Fixed income mutual funds31 31 
Other assets3 3 
Total plan assets at fair value$122 $626 $12 $760 
Plan assets at net asset value: (a)
Limited partnerships293 
Total plan assets$122 $626 $12 $1,053 
December 31, 2024Level 1Level 2Level 3Total
(In millions)    
     
Plan assets at fair value:    
Fixed maturity securities:    
Corporate and other bonds$408 $$413 
States, municipalities and political subdivisions
Asset-backed113 121 
Total fixed maturities— 527 13 540 
Equity securities44 15 59 
Short-term investments59 59 
Fixed income mutual funds40 40 
Other assets
Total plan assets at fair value$143 $544 $13 $700 
Plan assets at net asset value: (a)
Limited partnerships304 
Total plan assets$143 $544 $13 $1,004 

(a)Certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in this table for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.

The limited partnership investments held within the plans are recorded at fair value, which represents the plans’ shares of the net asset value of each partnership, as determined by the general partner. Limited partnerships comprising more than 99% of the carrying value as of December 31, 2025 and 2024 were invested in private debt and equity. Limited partnerships comprising less than 1% of the carrying value as of December 31, 2025 and 2024 employ hedge fund strategies. Private debt and equity funds cover a broad range of investment strategies including buyout, private credit, growth capital and distressed investing. Hedge fund strategies include both long and short positions in fixed income, equity and derivative instruments. Within hedge fund strategies, approximately 100% were equity related, none pursued a multi-strategy approach and none were focused on distressed investments at December 31, 2025.

For a discussion of the valuation methodologies used to measure fixed maturity securities, equities and short-term investments, see Note 4.

Other postretirement benefits plan assets measured at fair value on a recurring basis are summarized below.

December 31, 2025Level 1Level 2Level 3Total
(In millions)   
    
Fixed maturity securities:   
Corporate and other bonds$45 $45 
States, municipalities and political subdivisions32 32 
Asset-backed1 1 
Total fixed maturities$ 78 $ 78 
Short-term investments6 6 
Fixed income mutual funds2 2 
Total assets$8 $78 $ $86 
Other liabilities$1 $1 
December 31, 2024Level 1Level 2Level 3Total
(In millions)   
Fixed maturity securities:   
Corporate and other bonds$48 $48 
States, municipalities and political subdivisions35 35 
Asset-backed
Total fixed maturities$— 84 $— 84 
Short-term investments
Fixed income mutual funds15 15 
Total$17 $84 $— $101 
Other liabilities$18 $18 

There were no Level 3 assets at December 31, 2025 and 2024.

Savings Plans – Several contributory savings plans are maintained which allow employees to make regular contributions based upon a percentage of their salaries. Matching contributions are made up to specified percentages of employees’ contributions. In addition, in certain plans, eligible employees also receive a contribution of a percentage of their annual eligible compensation. Employer contributions to these plans amounted to $119 million, $110 million and $103 million for the years ended December 31, 2025, 2024 and 2023.

Stock-based Compensation – In 2025, shareholders approved the Loews Corporation 2025 Incentive Compensation Plan (the “2025 Loews Plan”) which replaced a previously existing equity plan. The aggregate number of shares of Loews Corporation common stock authorized under the 2025 Loews Plan is 6,000,000 shares, plus up to 1,773,495 shares that were subject to outstanding awards and may be forfeited under the prior plan.

Loews Corporation stock-based compensation consists of time-based restricted stock units (“RSUs”), performance-based restricted stock units (“PSUs”), stock appreciation rights (“SARs”) and awards of common stock. RSUs and PSUs represent the right to receive one share of Loews Corporation common stock for each vested award. RSUs and PSUs vest 50% on the second anniversary of the grant date and 50% on the third anniversary of the grant date. PSUs are also subject to the achievement of specified performance goals by the Company. SARs represent the right to receive payment with respect to the difference, if any, between the value of a share of Loews Corporation common stock and the exercise price of the SAR on the exercise date. SARs become exercisable seven years after the grant date and expire ten years after the grant date.

In 2025, Loews Corporation granted an aggregate of 136,092 RSUs and PSUs at a weighted average grant-date fair value of $84.92 per unit, 1,237,500 SARs with a weighted average exercise price of $161.11 per share and 5,462 shares of common stock with a weighted average grant-date fair value of $100.12 per share. No RSUs were forfeited during the year and all 1,237,500 SARs remained outstanding at December 31, 2025.

The Company recognized compensation expense in connection with stock-based compensation that decreased net income by $41 million, $39 million and $36 million for the years ended December 31, 2025, 2024 and 2023. CNA also maintains its own stock-based compensation plan.
v3.25.4
Reinsurance
12 Months Ended
Dec. 31, 2025
Reinsurance Disclosures [Abstract]  
Reinsurance Reinsurance
CNA cedes insurance to reinsurers to limit its maximum loss, provide greater diversification of risk, minimize exposures on larger risks and to exit certain lines of business. The ceding of insurance does not discharge the primary liability of CNA. A credit exposure exists with respect to reinsurance ceded to the extent that any reinsurer is unable to meet its obligations. A collectability exposure also exists to the extent that the reinsurer disputes the liabilities assumed under reinsurance agreements. Property and casualty reinsurance coverages are tailored to the specific risk characteristics of each product line and CNA’s retained amount varies by type of coverage. Reinsurance contracts are purchased to protect specific lines of business such as property and workers’ compensation. Corporate catastrophe reinsurance is also purchased for property and workers’ compensation exposure. CNA also utilizes facultative reinsurance in certain lines. In addition, CNA assumes reinsurance, primarily through Hardy and as a member of various reinsurance pools and associations.

The following table presents the amounts receivable from reinsurers:

December 3120252024
(In millions)  
   
Reinsurance receivables related to insurance reserves:  
Ceded claim and claim adjustment expenses$5,982 $5,713 
Reinsurance receivables related to paid losses426 359 
Reinsurance receivables6,408 6,072 
Less allowance for doubtful accounts27 21 
Reinsurance receivables, net of allowance for doubtful accounts$6,381 $6,051 

CNA has established an allowance for doubtful accounts on voluntary reinsurance receivables which relates to both amounts already billed on ceded paid losses as well as ceded reserves that will be billed when losses are paid in the future. The following table summarizes the outstanding amount of voluntary reinsurance receivables, gross of any collateral arrangements, by financial strength rating:

As of December 31, 2025
 
(In millions) 
  
A- to A++$4,864 
B- to B++967 
Insolvent9 
Total voluntary reinsurance outstanding balance (a)
$5,840 

(a)
Expected credit losses for legacy A&EP receivables are ceded to NICO and the reinsurance limit on the LPT has not been exhausted, therefore no allowance is recorded for these receivables and they are excluded from the table above. See Note 7 for more information on the LPT. Also excluded are receivables from involuntary pools.

CNA attempts to mitigate its credit risk related to reinsurance by entering into reinsurance arrangements with reinsurers that have credit ratings above certain levels and by obtaining collateral. On a limited basis, CNA may enter into reinsurance agreements with reinsurers that are not rated, primarily captive reinsurers. Receivables from captive reinsurers are backed by collateral arrangements and comprise the majority of the voluntary reinsurance receivables within the B- to B++ rating distribution in the table above. The primary methods of obtaining collateral are through reinsurance trusts, letters of credit and funds withheld balances. Such collateral, limited by the balance of open recoverables, was approximately $3.8 billion and $3.4 billion at December 31, 2025 and 2024.
CNA’s largest recoverables from a single reinsurer, including ceded unearned premium reserves as of December 31, 2025 were approximately $1.9 billion from subsidiaries of the Berkshire Hathaway Insurance Group, $466 million from Cavello Bay Reinsurance Limited and $390 million from the Swiss Reinsurance Group. These amounts are substantially collateralized or otherwise secured. The recoverable from subsidiaries of the Berkshire Hathaway Insurance Group includes amounts related to third party reinsurance for which NICO has assumed the credit risk under the terms of the loss portfolio transfer as discussed in Note 7.

The effects of reinsurance on earned premiums are presented in the following table:

    Assumed/
 DirectAssumedCededNetNet %
(In millions)    
     
Year Ended December 31, 2025
    
     
Property and casualty$14,974 $253 $4,750 $10,477 2.4 %
Long-term care383 40 423 9.5 
Earned premiums$15,357 $293 $4,750 $10,900 2.7 %
 
Year Ended December 31, 2024
 
Property and casualty$14,629 $252 $5,107 $9,774 2.6 %
Long-term care396 41 437 9.4 
Earned premiums$15,025 $293 $5,107 $10,211 2.9 %
 
Year Ended December 31, 2023
 
Property and casualty$13,908 $223 $5,102 $9,029 2.5 %
Long-term care407 44 451 9.8 
Earned premiums$14,315 $267 $5,102 $9,480 2.8 %

Included in the direct and ceded earned premiums for the years ended December 31, 2025, 2024 and 2023 are $2.3 billion, $2.7 billion and $2.9 billion related to insurance policies supporting service contracts associated with portable electronic devices, which are 100% reinsured under a significant third party warranty captive program. The third-party captives that participate in this program are affiliated with the non-insurance company policyholders, therefore this program provides a means for the policyholders to self-insure the risk. CNA receives and retains a ceding commission.

Insurance claims and policyholders’ benefits reported on the Consolidated Statements of Operations are net of estimated reinsurance recoveries of $2.9 billion, $3.5 billion and $2.8 billion for the years ended December 31, 2025, 2024 and 2023, including $1.3 billion, $1.7 billion and $1.5 billion related to the significant third party captive program discussed above.

Long-term care premiums are from long-duration contracts; property and casualty premiums are from short-duration contracts.
v3.25.4
Legal Proceedings
12 Months Ended
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Legal Proceedings Legal Proceedings
Loews Hotels & Co

On February 20, 2024, Jeanette Portillo and other plaintiffs filed a putative class action against Loews Hotels Holdings Corporation and other defendants in the United States District Court for the Western District of Washington. On March 1, 2024, Ryan Segal filed a putative class action against Loews Hotels Holdings Corporation and other defendants in the United States District Court for the Northern District of Illinois. Both suits assert antitrust claims against defendants under the Sherman Act, 15 U.S.C. § 1. Defendants jointly filed motions to dismiss the complaints in Portillo and Segal on May 17, 2024 and June 24, 2024, respectively. On March 31, 2025, the court granted the defendants’ motion to dismiss in Segal, and granted plaintiff leave to amend the complaint. On April 28, 2025, Segal filed a third amended complaint alleging that
Loews Hotels & Co and other defendants violated the Sherman Act. Defendants jointly filed a motion to dismiss the third amended complaint in Segal on June 12, 2025. The court has not ruled on the motion to dismiss the third amended complaint in Segal. On August 29, 2025, the court granted the defendants’ motion to dismiss in Portillo and granted plaintiffs leave to amend their complaint. On October 3, 2025, plaintiffs in Portillo filed an amended class action complaint alleging violations of the Sherman Act by Loews Hotels & Co and others. Defendants moved to dismiss the amended complaint in Portillo on November 3, 2025. The court has not ruled on the motion to dismiss the amended complaint in Portillo.

Boardwalk Pipelines

On May 25, 2018, plaintiffs Tsemach Mishal and Paul Berger (on behalf of themselves and the purported class, “Plaintiffs”) initiated a purported class action in the Court of Chancery of the State of Delaware (the “Trial Court”) against the following defendants: Boardwalk Pipelines, Boardwalk GP, LP (“General Partner”), Boardwalk GP, LLC and Boardwalk Pipelines Holding Corp. (“BPHC”) (together, “Defendants”), regarding the potential exercise by the General Partner of its right to purchase all of the issued and outstanding common units representing limited partnership interests in Boardwalk Pipelines not already owned by the General Partner or its affiliates.

On June 25, 2018, Plaintiffs and Defendants entered into a Stipulation and Agreement of Compromise and Settlement, subject to the approval of the Trial Court (the “Proposed Settlement”). Under the terms of the Proposed Settlement, the lawsuit would be dismissed, and related claims against the Defendants would be released by the Plaintiffs, if BPHC, the sole member of the General Partner, elected to cause the General Partner to exercise its right to purchase the issued and outstanding common units of Boardwalk Pipelines pursuant to Boardwalk Pipelines’ Third Amended and Restated Agreement of Limited Partnership, as amended (“Limited Partnership Agreement”), within a period specified by the Proposed Settlement. On June 29, 2018, the General Partner elected to exercise its right to purchase all of the issued and outstanding common units representing limited partnership interests in Boardwalk Pipelines not already owned by the General Partner or its affiliates pursuant to the Limited Partnership Agreement within the period specified by the Proposed Settlement. The transaction was completed on July 18, 2018.

On September 28, 2018, the Trial Court denied approval of the Proposed Settlement. On February 11, 2019, a substitute verified class action complaint was filed in this proceeding, which among other things, added the Parent Company as a Defendant. The Defendants filed a motion to dismiss, which was heard by the Trial Court in July of 2019. In October of 2019, the Trial Court ruled on the motion and granted a partial dismissal, with certain aspects of the case proceeding to trial. A trial was held the week of February 22, 2021 and post-trial oral arguments were held on July 14, 2021.

On November 12, 2021, the Trial Court issued a ruling in the case. The Trial Court held that the General Partner breached the Limited Partnership Agreement and awarded Plaintiffs approximately $690 million, plus pre-judgment interest (approximately $166 million), post-judgment interest and attorneys’ fees.

The Company believed that the Trial Court ruling included factual and legal errors. Therefore, on January 3, 2022, the Defendants appealed the Trial Court’s ruling to the Supreme Court of the State of Delaware (the “Supreme Court”). On January 17, 2022, the Plaintiffs filed a cross-appeal to the Supreme Court contesting the calculation of damages by the Trial Court. Oral arguments were held on September 14, 2022, and on December 19, 2022, the Supreme Court reversed the Trial Court’s ruling and remanded the case to the Trial Court for further proceedings related to claims not decided by the Trial Court’s ruling. Briefing by the parties at the Trial Court on the remanded issues was completed in September 2023. A hearing on the remanded issues was held at the Trial Court in April 2024. In September 2024, the Trial Court ruled in favor of the Defendants on all of the remanded issues.

On October 21, 2024, the Plaintiffs appealed the Trial Court’s ruling on the remanded issues to the Supreme Court. Briefing on this appeal was completed in March 2025 and a hearing on this appeal occurred in June 2025. On December 10, 2025, the Supreme Court affirmed in part and reversed in part the Trial Court’s ruling. In its decision the Supreme Court found that the General Partner had breached the Limited Partnership Agreement in its exercise of the Purchase Right. In its 2022 decision, the Supreme Court had previously determined that the General Partner was exculpated from damages. The remaining claims that have been remanded by the Supreme Court to the Trial Court for further proceedings are tortious interference and unjust enrichment claims related to the exercise of the Purchase Right against the non-General Partner defendants.

Litigation is inherently uncertain, and the ultimate outcome of this matter cannot be predicted with certainty. Based on currently available information, the Company is unable to reasonably estimate the amount of loss or range of loss, if any, associated with this matter. Accordingly, no accrual has been recorded. Although the Company is unable to estimate the amount of loss or range of loss at this time, it is possible that the resolution of this matter could be material to the Company’s consolidated financial position, results of operations and/or cash flows in a particular period. The Company will continue to evaluate developments in this matter and will record an accrual if it is determined that a loss is probable and reasonably estimable.
Other Litigation
The Company is from time to time party to other litigation arising in the ordinary course of business. While it is difficult to predict the outcome or effect of any litigation, management does not believe that the outcome of any pending litigation, including the Loews Hotels & Co matter described above, will materially affect the Company’s results of operations or equity.
v3.25.4
Commitments and Contingencies
12 Months Ended
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies Commitments and Contingencies
CNA Guarantees

CNA has provided guarantees, if the primary obligor fails to perform, to holders of structured settlement annuities issued by a previously owned subsidiary. As of December 31, 2025, the potential amount of future payments CNA could be required to pay under these guarantees was approximately $1.9 billion, which will be paid over the lifetime of the annuitants. CNA does not believe any payment is likely under these guarantees, as CNA is the beneficiary of a trust that must be maintained at a level that approximates the discounted reserves for these annuities.

Boardwalk Pipelines

Boardwalk Pipelines’ future capital commitments are comprised of binding commitments under purchase orders for materials ordered but not received. As of December 31, 2025, the commitments totaled approximately $355 million, which are expected to be settled through 2028.
v3.25.4
Segments
12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Segments Segments
Loews Corporation has four reportable segments comprised of three individual consolidated operating subsidiaries, CNA, Boardwalk Pipelines and Loews Hotels & Co; and the Corporate segment. The Corporate segment is comprised of Loews Corporation, excluding its consolidated subsidiaries, and includes the equity method of accounting for Altium Packaging. Each of the consolidated operating subsidiaries is headed by a chief executive officer who is responsible for the operation of its business and has the duties and authority commensurate with that position.

CNA’s business is the sale of property and casualty insurance products and services, including surety, primarily through a network of independent agents, retail and wholesale brokers and managing general underwriters. CNA’s operations also include its long-term care business that is in run-off, certain corporate expenses, including interest on CNA’s corporate debt, and the results of certain property and casualty businesses in run-off, including A&EP, a legacy portfolio of EWC policies and certain legacy mass tort reserves.

Boardwalk Pipelines operates in the midstream portion of the natural gas and NGLs industry, providing transportation and storage for those commodities. It also provides ethane supply and transportation services for petrochemical customers in Louisiana and Texas. Boardwalk Pipelines owns approximately 14,275 miles of natural gas and NGL pipelines and underground storage caverns. Boardwalk Pipelines’ natural gas pipeline systems are located in the Gulf Coast region, Oklahoma, Arkansas, Tennessee, Kentucky, Illinois, Indiana and Ohio, and its NGL pipelines and storage facilities are located in Louisiana and Texas.

Loews Hotels & Co operates a chain of 27 hotels in the United States. Eleven of these hotels are owned by Loews Hotels & Co, fifteen are owned by joint ventures in which Loews Hotels & Co has noncontrolling equity interests and one is managed for an unaffiliated owner.

The Corporate segment consists of investment income from the Parent Company’s cash and investments, Parent Company interest expense and other unallocated Parent Company expenses. Corporate also includes the equity method of accounting for Altium Packaging. Purchase accounting adjustments have been pushed down to the appropriate subsidiary.

The accounting policies of the segments are the same as those described in the summary of significant accounting policies in Note 1.

In the following tables certain financial measures are presented to provide information used by management to monitor the Company’s operating performance. The Company’s chief operating decision maker (“CODM”) is the Chief Executive Officer. The CODM uses the trend of net income attributable to Loews Corporation from the most recent years to evaluate the performance of the segments and to make decisions regarding the allocation of capital. The following schedules present the reportable segments of the Company and their contribution to the consolidated financial statements. Amounts presented
will not necessarily be the same as those in the individual financial statements of the Company’s subsidiaries due to adjustments for purchase accounting, income taxes and noncontrolling interests.
Statements of Operations and Total assets by segment are presented in the following tables.

Year Ended December 31, 2025
CNA Financial
Boardwalk Pipelines
Loews
Hotels & Co
Corporate
Total
(In millions)     
      
Revenues:     
      
Insurance premiums$10,900 $10,900 
Net investment income2,557 $14 $12 $196 2,779 
Investment losses(81) (81)
Non-insurance warranty revenue1,577 1,577 
Operating revenues and other36 2,310 933  3,279 
Total14,989 2,324 945 196 18,454 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)8,294 8,294 
Amortization of deferred acquisition costs1,898 1,898 
Non-insurance warranty expense1,526 1,526 
Operating expenses and other (b)1,516 1,579 926 69 4,090 
Equity method (income) loss  (102)28 (74)
Interest135 161 69 72 437 
Total13,369 1,740 893 169 16,171 
Income before income tax1,620 584 52 27 2,283 
Income tax expense(342)(140)(21)(8)(511)
Net income1,278 444 31 19 1,772 
Amounts attributable to noncontrolling interests(105)(105)
Net income attributable to Loews Corporation$1,173 $444 $31 $19 $1,667 
December 31, 2025
 
Total assets$69,381 $10,586 $2,487 $3,894 $86,348 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $240 million and unfavorable development of $185 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2025
CNA FinancialBoardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,349 $1,349 
Operating expenses$800 $589 1,389 
Depreciation and amortization443 100 $2 545 
Other (c)167 336 237 67 807 
Operating expenses and other$1,516 $1,579 $926 $69 $4,090 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses
Year Ended December 31, 2024
CNA
Financial
Boardwalk Pipelines Loews Hotels & Co CorporateTotal
(In millions)     
      
Revenues:     
      
Insurance premiums$10,211 $10,211 
Net investment income2,497 $32 $$242 2,780 
Investment losses(81)(81)
Non-insurance warranty revenue1,609 1,609 
Operating revenues and other34 2,033 924  2,991 
Total14,270 2,065 933 242 17,510 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)7,738 7,738 
Amortization of deferred acquisition costs1,798 1,798 
Non-insurance warranty expense1,547 1,547 
Operating expenses and other (b)1,843 1,377 873 77 4,170 
Equity method (income) loss  (86)28 (58)
Interest133 183 51 74 441 
Total13,059 1,560 838 179 15,636 
Income before income tax1,211 505 95 63 1,874 
Income tax expense(252)(92)(25)(11)(380)
Net income959 413 70 52 1,494 
Amounts attributable to noncontrolling interests(80)(80)
Net income attributable to Loews Corporation$879 $413 $70 $52 $1,414 
December 31, 2024
 
Total assets$66,434 $9,853 $2,498 $3,158 $81,943 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $358 million and unfavorable development of $48 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2024
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,275 $1,275 
Operating expenses$633 $580 1,213 
Depreciation and amortization429 93 $524 
Other (c)568 315 200 75 1,158 
Operating expenses and other$1,843 $1,377 $873 $77 $4,170 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses. For 2024, this also includes a pension settlement charge of $367 million; see Note 15 for more information.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses.
Year Ended December 31, 2023
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
(In millions)     
      
Revenues:     
      
Insurance premiums$9,480 $9,480 
Net investment income2,264 $11 $$114 2,395 
Investment gains (losses)(99)46 (53)
Non-insurance warranty revenue1,624 1,624 
Operating revenues and other30 1,625 800 2,455 
Total13,299 1,636 852 114 15,901 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)7,068 7,068 
Amortization of deferred acquisition costs1,644 1,644 
Non-insurance warranty expense1,544 1,544 
Operating expenses and other (b)1,398 1,108 767 120 3,393 
Equity method (income) loss(129)(120)
Interest127 155 14 80 376 
Total11,781 1,263 652 209 13,905 
Income (loss) before income tax1,518 373 200 (95)1,996 
Income tax (expense) benefit(313)(90)(53)(451)
Net income (loss)1,205 283 147 (90)1,545 
Amounts attributable to noncontrolling interests(111)(111)
Net income (loss) attributable to Loews Corporation$1,094 $283 $147 $(90)$1,434 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $236 million and unfavorable development of $48 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2023
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,251 $1,251 
Operating expenses$395 $485 880 
Depreciation and amortization412 69 $482 
Other (c)147 301 213 119 780 
Operating expenses and other$1,398 $1,108 $767 $120 $3,393 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses. For 2023, this also includes a pension settlement charge of $47 million; see Note 15 for additional information.
v3.25.4
Schedule I - Condensed Financial Information of Registrant
12 Months Ended
Dec. 31, 2025
Condensed Financial Information Disclosure [Abstract]  
Schedule I - Condensed Financial Information of Registrant
SCHEDULE I

Condensed Financial Information of Registrant

LOEWS CORPORATION
BALANCE SHEETS

ASSETS

December 3120252024
(In millions)  
   
Current assets, principally investment in short-term instruments$2,676 $2,222 
Investments in securities1,245 1,170 
Investments in capital stocks of subsidiaries, at equity16,673 15,623 
Other assets95 95 
Total assets$20,689 $19,110 
   
   
LIABILITIES AND SHAREHOLDERS’ EQUITY
   
   
Current liabilities$597 $143 
Long-term debt1,286 1,785 
Deferred income tax and other120 116 
Total liabilities2,003 2,044 
Shareholders’ equity18,686 17,066 
Total liabilities and shareholders’ equity$20,689 $19,110 

STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

Year Ended December 31
202520242023
(In millions)   
    
Revenues:   
Equity in income of subsidiaries (a)
$1,614 $1,328 $1,501 
Net investment income, interest and other214 261 131 
Total1,828 1,589 1,632 
Expenses:
Administrative68 76 119 
Interest75 75 80 
Total143 151 199 
Income before income tax1,685 1,438 1,433 
Income tax (expense) benefit(18)(24)
Net income1,667 1,414 1,434 
Equity in other comprehensive income of subsidiaries
801 630 884 
Total comprehensive income$2,468 $2,044 $2,318 
SCHEDULE I
(Continued)

Condensed Financial Information of Registrant

LOEWS CORPORATION
STATEMENTS OF CASH FLOWS

Year Ended December 31
202520242023
(In millions)   
    
Operating Activities:   
Net income$1,667 $1,414 $1,434 
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Equity method investees(268)(67)(512)
Provision (benefit) for deferred income taxes2 (4)
Changes in operating assets and liabilities, net:
Receivables(3)(6)10 
Accounts payable and accrued liabilities14 (12)(9)
Trading securities(414)(695)576 
Other, net31 109 
 1,029 640 1,604 
 
Investing Activities:
Investments in and advances to subsidiaries(1)(217)
Purchases of equity securities(20)
Purchases of limited partnership investments(88)
Change in investments, primarily short-term(50)27 29 
Other(11)
(159)29 (199)
 
Financing Activities:
Dividends paid(52)(55)(57)
Purchases of treasury shares(806)(608)(849)
Payment of debt(500)
Other(13)(4)(5)
 (871)(667)(1,411)
 
Net change in cash(1)(6)
Cash, beginning of year6 10 
Cash, end of year$5 $$
(a)
Cash dividends paid to the Company by affiliates amounted to approximately $1.5 billion, $1.3 billion and $1.0 billion for the years ended December 31, 2025, 2024 and 2023.
Supplemental Information Concerning Property and Casualty Insurance Operations

Consolidated Property and Casualty Operations  
   
December 3120252024
(In millions)  
   
Deferred acquisition costs$986 $959 
Reserves for unpaid claim and claim adjustment expenses26,59924,976
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 6.5%)
583615
Unearned premiums7,6357,346

Year Ended December 31
202520242023
(In millions)   
    
Net written premiums$11,101 $10,605 $9,892 
Net earned premiums10,900 10,211 9,480 
Net investment income2,467 2,396 2,163 
Incurred claim and claim adjustment expenses related to current year6,724 6,330 5,667 
Incurred claim and claim adjustment expenses related to prior years189 42 48 
Amortization of deferred acquisition costs1,898 1,798 1,644 
Paid claim and claim adjustment expenses5,774 5,189 4,601 
v3.25.4
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations
12 Months Ended
Dec. 31, 2025
SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Abstract]  
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations SCHEDULE V
LOEWS CORPORATION AND SUBSIDIARIES

Supplemental Information Concerning Property and Casualty Insurance Operations

Consolidated Property and Casualty Operations  
   
December 3120252024
(In millions)  
   
Deferred acquisition costs$986 $959 
Reserves for unpaid claim and claim adjustment expenses26,59924,976
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 6.5%)
583615
Unearned premiums7,6357,346

Year Ended December 31
202520242023
(In millions)   
    
Net written premiums$11,101 $10,605 $9,892 
Net earned premiums10,900 10,211 9,480 
Net investment income2,467 2,396 2,163 
Incurred claim and claim adjustment expenses related to current year6,724 6,330 5,667 
Incurred claim and claim adjustment expenses related to prior years189 42 48 
Amortization of deferred acquisition costs1,898 1,798 1,644 
Paid claim and claim adjustment expenses5,774 5,189 4,601 
Schedule I - Condensed Financial Information of Registrant
SCHEDULE I

Condensed Financial Information of Registrant

LOEWS CORPORATION
BALANCE SHEETS

ASSETS

December 3120252024
(In millions)  
   
Current assets, principally investment in short-term instruments$2,676 $2,222 
Investments in securities1,245 1,170 
Investments in capital stocks of subsidiaries, at equity16,673 15,623 
Other assets95 95 
Total assets$20,689 $19,110 
   
   
LIABILITIES AND SHAREHOLDERS’ EQUITY
   
   
Current liabilities$597 $143 
Long-term debt1,286 1,785 
Deferred income tax and other120 116 
Total liabilities2,003 2,044 
Shareholders’ equity18,686 17,066 
Total liabilities and shareholders’ equity$20,689 $19,110 

STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

Year Ended December 31
202520242023
(In millions)   
    
Revenues:   
Equity in income of subsidiaries (a)
$1,614 $1,328 $1,501 
Net investment income, interest and other214 261 131 
Total1,828 1,589 1,632 
Expenses:
Administrative68 76 119 
Interest75 75 80 
Total143 151 199 
Income before income tax1,685 1,438 1,433 
Income tax (expense) benefit(18)(24)
Net income1,667 1,414 1,434 
Equity in other comprehensive income of subsidiaries
801 630 884 
Total comprehensive income$2,468 $2,044 $2,318 
SCHEDULE I
(Continued)

Condensed Financial Information of Registrant

LOEWS CORPORATION
STATEMENTS OF CASH FLOWS

Year Ended December 31
202520242023
(In millions)   
    
Operating Activities:   
Net income$1,667 $1,414 $1,434 
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Equity method investees(268)(67)(512)
Provision (benefit) for deferred income taxes2 (4)
Changes in operating assets and liabilities, net:
Receivables(3)(6)10 
Accounts payable and accrued liabilities14 (12)(9)
Trading securities(414)(695)576 
Other, net31 109 
 1,029 640 1,604 
 
Investing Activities:
Investments in and advances to subsidiaries(1)(217)
Purchases of equity securities(20)
Purchases of limited partnership investments(88)
Change in investments, primarily short-term(50)27 29 
Other(11)
(159)29 (199)
 
Financing Activities:
Dividends paid(52)(55)(57)
Purchases of treasury shares(806)(608)(849)
Payment of debt(500)
Other(13)(4)(5)
 (871)(667)(1,411)
 
Net change in cash(1)(6)
Cash, beginning of year6 10 
Cash, end of year$5 $$
(a)
Cash dividends paid to the Company by affiliates amounted to approximately $1.5 billion, $1.3 billion and $1.0 billion for the years ended December 31, 2025, 2024 and 2023.
Supplemental Information Concerning Property and Casualty Insurance Operations

Consolidated Property and Casualty Operations  
   
December 3120252024
(In millions)  
   
Deferred acquisition costs$986 $959 
Reserves for unpaid claim and claim adjustment expenses26,59924,976
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 6.5%)
583615
Unearned premiums7,6357,346

Year Ended December 31
202520242023
(In millions)   
    
Net written premiums$11,101 $10,605 $9,892 
Net earned premiums10,900 10,211 9,480 
Net investment income2,467 2,396 2,163 
Incurred claim and claim adjustment expenses related to current year6,724 6,330 5,667 
Incurred claim and claim adjustment expenses related to prior years189 42 48 
Amortization of deferred acquisition costs1,898 1,798 1,644 
Paid claim and claim adjustment expenses5,774 5,189 4,601 
v3.25.4
Insider Trading Arrangements
3 Months Ended
Dec. 31, 2025
Trading Arrangements, by Individual  
Rule 10b5-1 Arrangement Adopted false
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
v3.25.4
Insider Trading Policies and Procedures
12 Months Ended
Dec. 31, 2025
Insider Trading Policies and Procedures [Line Items]  
Insider Trading Policies and Procedures Adopted true
v3.25.4
Cybersecurity Risk Management and Strategy Disclosure
12 Months Ended
Dec. 31, 2025
Cybersecurity Risk Management, Strategy, and Governance [Line Items]  
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Identifying, assessing, and managing material cybersecurity risks is an important component of our overall enterprise risk management program. As with the management of risks generally, given our holding company structure, the management of cybersecurity risks involves coordination between the parent company and our subsidiaries.
The parent company and each subsidiary are responsible for developing cybersecurity programs appropriate for their respective entities, including as may be required by applicable law or regulation. These programs have been developed based on the National Institute of Standards and Technology Cybersecurity Framework and seek to protect each entity against cybersecurity risks and foster each entity’s ability to respond to cybersecurity events. Among other things, these programs generally involve maturity evaluations and assessments by third parties, vulnerability scanning, employee testing and training, technical and business team-focused tabletop exercises, incident response plans and data security assessments of third-party service providers as a part of vendor management.

Risks from cybersecurity threats, in the future may, among other things, cause material disruptions to our or our subsidiaries’ operations, which may materially affect our and/or their business, results of operations, cash flows, financial condition and/or equity. For more information, see Item 1A. Risk Factors of this Report.
Cybersecurity Risk Management Processes Integrated [Flag] true
Cybersecurity Risk Management Processes Integrated [Text Block]
Identifying, assessing, and managing material cybersecurity risks is an important component of our overall enterprise risk management program. As with the management of risks generally, given our holding company structure, the management of cybersecurity risks involves coordination between the parent company and our subsidiaries.
The parent company and each subsidiary are responsible for developing cybersecurity programs appropriate for their respective entities, including as may be required by applicable law or regulation. These programs have been developed based on the National Institute of Standards and Technology Cybersecurity Framework and seek to protect each entity against cybersecurity risks and foster each entity’s ability to respond to cybersecurity events. Among other things, these programs generally involve maturity evaluations and assessments by third parties, vulnerability scanning, employee testing and training, technical and business team-focused tabletop exercises, incident response plans and data security assessments of third-party service providers as a part of vendor management.
Cybersecurity Risk Management Third Party Engaged [Flag] true
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] false
Cybersecurity Risk Board of Directors Oversight [Text Block]
Our Board has assigned oversight of cybersecurity risk management to the Audit Committee. The Audit Committee regularly receives reports from our and our subsidiaries’ management, including our and our subsidiaries’ senior information technology (“IT”) leadership, and third parties on cybersecurity matters. In addition, the Board receives reports addressing cybersecurity as part of our overall enterprise risk management program and to the extent cybersecurity matters are addressed in regular business updates.
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Our Board has assigned oversight of cybersecurity risk management to the Audit Committee. The Audit Committee regularly receives reports from our and our subsidiaries’ management, including our and our subsidiaries’ senior information technology (“IT”) leadership, and third parties on cybersecurity matters. In addition, the Board receives reports addressing cybersecurity as part of our overall enterprise risk management program and to the extent cybersecurity matters are addressed in regular business updates.
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] The Audit Committee regularly receives reports from our and our subsidiaries’ management, including our and our subsidiaries’ senior information technology (“IT”) leadership, and third parties on cybersecurity matters. In addition, the Board receives reports addressing cybersecurity as part of our overall enterprise risk management program and to the extent cybersecurity matters are addressed in regular business updates.
Cybersecurity Risk Role of Management [Text Block]
Senior IT leadership (generally, chief information officers and/or chief information security officers) at the parent company and each subsidiary are responsible for developing cybersecurity programs appropriate for their respective entities, including as may be required by applicable law or regulation. These individuals’ expertise in IT and cybersecurity generally has been gained from a combination of education, including relevant degrees and/or certifications, and prior work experience. They are informed by their respective cybersecurity teams about, and monitor, the prevention, detection, mitigation and remediation of cybersecurity incidents as part of the cybersecurity programs described above.

Information regarding cybersecurity risks may be elevated from senior IT leadership through a variety of different channels, including discussions between or among subsidiary and parent company management, reports to subsidiary and parent company risk committees and reports to subsidiary and parent company boards and board committees. As noted above, the Audit Committee regularly receives reports on cybersecurity matters from our and our subsidiaries’ senior IT leadership.
Cybersecurity Risk Management Positions or Committees Responsible [Flag] true
Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Senior IT leadership (generally, chief information officers and/or chief information security officers) at the parent company and each subsidiary are responsible for developing cybersecurity programs appropriate for their respective entities, including as may be required by applicable law or regulation.
Cybersecurity Risk Management Expertise of Management Responsible [Text Block] These individuals’ expertise in IT and cybersecurity generally has been gained from a combination of education, including relevant degrees and/or certifications, and prior work experience.
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] They are informed by their respective cybersecurity teams about, and monitor, the prevention, detection, mitigation and remediation of cybersecurity incidents as part of the cybersecurity programs described above.
Information regarding cybersecurity risks may be elevated from senior IT leadership through a variety of different channels, including discussions between or among subsidiary and parent company management, reports to subsidiary and parent company risk committees and reports to subsidiary and parent company boards and board committees. As noted above, the Audit Committee regularly receives reports on cybersecurity matters from our and our subsidiaries’ senior IT leadership.
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] true
v3.25.4
Summary of Significant Accounting Policies (Policies)
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]  
Basis of presentation
Basis of presentation − Loews Corporation is a holding company. Its consolidated operating subsidiaries are engaged in the following lines of business: commercial property and casualty insurance (CNA Financial Corporation (“CNA”), an approximately 92% owned subsidiary); transportation and storage of natural gas and natural gas liquids, olefins and other hydrocarbons (Boardwalk Pipeline Partners, LP (“Boardwalk Pipelines”), a wholly owned subsidiary) and the operation of a chain of hotels (Loews Hotels Holding Corporation (“Loews Hotels & Co”), a wholly owned subsidiary). Unless the context otherwise requires, as used herein, the term “Company” means Loews Corporation including its subsidiaries, the term “Parent Company” means Loews Corporation excluding its subsidiaries and the term “Net income (loss) attributable to Loews Corporation” means Net income (loss) attributable to Loews Corporation shareholders.
Accounting estimates Accounting estimates and principles of consolidation – The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported on the consolidated financial statements and the related notes. Actual results could differ from those estimates.
Principles of consolidation The Consolidated Financial Statements include all subsidiaries and intercompany accounts and transactions have been eliminated.
Investments
Investments – Fixed maturity securities are classified as either available-for-sale or trading, and in both cases, they are carried at fair value. Short-term investments are carried at fair value. Changes in fair value of trading securities are reported within Net investment income on the Consolidated Statements of Operations. Changes in fair value of available-for-sale securities are reported as a component of Other comprehensive income.

The cost of fixed maturity securities classified as available-for-sale is adjusted for amortization of premiums and accretion of discounts, which are included in Net investment income on the Consolidated Statements of Operations. The amortization of premium and accretion of discount for fixed maturity securities takes into consideration call and maturity dates that produce the lowest yield.

For asset-backed securities included in fixed maturity securities, income is recognized using an effective yield based on anticipated prepayments and the estimated economic life of the securities. When estimates of prepayments change, the effective yield is recalculated to reflect actual payments to date and anticipated future payments predominantly using the retrospective method.

Equity securities are carried at fair value. Non-redeemable preferred stock investments contain characteristics of debt securities, are priced similarly to bonds and are held primarily for income generation through periodic dividends. While recognition of gains and losses on these securities is not discretionary, the changes in fair value of non-redeemable preferred stock are not considered to be reflective of its primary operations. As such, the changes in the fair value of these securities are recorded through Investment gains (losses) on the Consolidated Statements of Operations. Common stock is owned with the intention of holding the securities primarily for market appreciation and as such, the changes in the fair value of these securities are recorded through Net investment income (loss).

Carrying value of investments in limited partnerships is the owner’s share of the net asset value of each partnership, as determined by the general partner. The majority of the Company’s limited partnerships are reported on a lag, primarily three months or less, as results are not available on a timely basis. These investments are accounted for under the equity method and changes in net asset values are recorded within Net investment income on the Consolidated Statements of Operations.

Mortgage loans are commercial in nature, are carried at unpaid principal balance, net of unamortized fees and an allowance for expected credit losses, and are recorded once funded. The allowance for expected credit losses on mortgage loans is developed by assessing the credit quality of pools of mortgage loans in good standing using debt service coverage ratios (“DSCR”) and loan-to-value (“LTV”) ratios. The DSCR compares a property’s net operating income to its debt service payments, including principal and interest. The LTV ratio compares the current unpaid principal balance of the loan to the estimated fair value of the underlying property collateralizing the loan. The pools developed to measure the credit loss allowance use increments of DSCR and LTV to draw distinctions between risk levels. Expected credit loss rates are applied by pool to the outstanding receivable balances. Changes in the allowance for mortgage loans are presented as a component of Investment gains (losses) on the Consolidated Statements of Operations. Mortgage loans are included in Other invested assets on the Consolidated Balance Sheets. Interest income from mortgage loans is recognized on an accrual basis using the effective yield method.
Investments in derivative securities are carried at fair value with changes in fair value reported as a component of Investment gains (losses), Net investment income or Other comprehensive income (loss), depending on their hedge designation. A derivative is typically defined as an instrument whose value is “derived” from an underlying instrument, index or rate, has a notional amount, requires little or no initial investment and can be net settled. Derivatives include the following types of investments: interest rate swaps, interest rate caps and floors, put and call options, warrants, futures, forwards, commitments to purchase securities, credit default swaps and combinations of the foregoing. Derivatives embedded within non-derivative instruments (such as call options embedded in convertible bonds) must be split from the host instrument when the embedded derivative is not clearly and closely related to the host instrument.

An available-for-sale security is impaired if the fair value of the security is less than its cost adjusted for accretion, amortization and allowance for credit losses. When a security is impaired, it is evaluated to determine whether there is an intent to sell the security before recovery of amortized cost or whether a credit loss exists. Losses on securities that are intended to be sold are recognized as impairment losses within Investment gains (losses) on the Consolidated Statements of Operations. If a credit loss exists, an allowance is established and the corresponding amount is recognized as an impairment loss within Investment gains (losses) on the Consolidated Statements of Operations. The allowance for credit losses related to available-for-sale fixed maturity securities is the difference between the present value of cash flows expected to be collected and the amortized cost basis. In subsequent periods, the allowance is reviewed, with any changes in the allowance presented as a component of Investment gains (losses) on the Consolidated Statements of Operations. Changes in the difference between the amortized cost basis, net of the allowance, and the fair value, are recognized in Other comprehensive income.

Significant judgment is required in the determination of whether an impairment loss has occurred for a security. A consistent and systematic process is followed for determining and recording an impairment loss, including the evaluation of securities in an unrealized loss position and securities with an allowance for credit losses on at least a quarterly basis.

The assessment of whether an impairment loss has occurred incorporates both quantitative and qualitative information. A credit loss exists if the present value of cash flows expected to be collected is less than the amortized cost basis. Significant assumptions enter into these cash flow projections including delinquency rates, probable risk of default, loss severity upon a default, over collateralization and interest coverage triggers and credit support from lower level tranches. All available evidence is considered when determining whether an investment requires a credit loss write-down or allowance to be recorded. Examples of such evidence may include the financial condition and near-term and long-term prospects of the issuer, whether the issuer is current with interest and principal payments, credit ratings on the security or changes in ratings over time, general market conditions and industry, sector or other specific factors and whether it is likely that the amortized cost will be recovered through the collection of cash flows.
Credit losses
Credit losses The allowances for credit losses on fixed maturity securities, mortgage loans, reinsurance receivables, insurance receivables and trade receivables are valuation accounts that are reported as a reduction of a financial asset’s cost basis and are measured on a pool basis when similar risk characteristics exist. The allowance is estimated using relevant available information from both internal and external sources. Historical credit loss experience provides the basis for the estimation of expected credit losses and adjustments may be made to reflect current conditions and reasonable and supportable forecasts. Adjustments to historical loss information are made for additional factors that come to the Company’s attention. This could include significant shifts in counterparty financial strength ratings, aging of past due receivables, amounts sent to collection agencies, or other underlying portfolio changes. Current and forecast economic conditions are considered, using a variety of economic metrics and forecast indices. The sensitivity of expected credit losses relative to changes to the forecast of economic conditions can vary by financial asset class. A reasonable and supportable forecast period is up to 24 months from the balance sheet date. After the forecast period, the Company reverts to historical credit experience. Collateral arrangements such as letters of credit and amounts held in beneficiary trusts to mitigate credit risk are considered in the estimate of the net amount expected to be collected. Amounts are written off against the allowance when determined to be uncollectible.

A policy election has been made to present accrued interest balances separately from the amortized cost basis of assets, and a practical expedient has been elected to exclude the accrued interest from the tabular disclosures for mortgage loans and available-for-sale securities. An election has been made not to estimate an allowance for credit losses on accrued interest receivables. The accrual of interest income is discontinued and the asset is placed on nonaccrual status within 90 days of the interest becoming delinquent. Interest accrued but not received for assets on nonaccrual status is reversed through Net investment income. Interest received for assets that are on nonaccrual status is recognized as payment is received. The asset is returned to accrual status when the principal and interest amounts contractually due are brought current, and future payments are expected. Interest receivables are presented in Receivables on the Consolidated Balance Sheet.
Equity method investments Equity method investments – Loews Hotels & Co has interests in operating joint ventures related to hotel properties over which it exercises significant influence but does not have control over them. Loews Hotels & Co uses the equity method of accounting for these investments, when applicable. The Company also has interests in Altium Packaging LLC (“Altium Packaging”), which is engaged in the manufacture of rigid packaging solutions. Loews Corporation shares certain participating rights related to capital allocation and other decisions with the joint venture partner, therefore, the investment in Altium Packaging is accounted for under the equity method of accounting. The Company’s total investment in entities accounted for under the equity method of accounting, excluding limited partnership investments, was $878 million and $937 million as of December 31, 2025 and 2024 and is reported in Other assets on the Consolidated Balance Sheets. Equity method income for investments accounted for under the equity method of accounting, excluding limited partnerships, was $74 million, $58 million and $120 million for the years ended December 31, 2025, 2024 and 2023 and is reported separately in expenses on the Consolidated Statements of Operations. Equity method investments are reviewed for impairment when changes in circumstances indicate that the carrying value of the asset may not be recoverable.
Hedging Hedging – The Company formally documents all relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedging transactions. The Company also formally assesses (both at the hedge’s inception and on an ongoing basis) whether the derivatives that are used in hedging transactions have been highly effective in offsetting changes in fair value or cash flows of hedged items and whether those derivatives may be expected to remain highly effective in future periods. When it is determined that a derivative for which hedge accounting has been designated is not (or ceases to be) highly effective, the Company discontinues hedge accounting prospectively.
Securities lending activities
Securities lending activities – The Company lends securities for the purpose of enhancing income or to finance positions to unrelated parties who have been designated as primary dealers by the Federal Reserve Bank of New York. Borrowers of these securities must deposit and maintain collateral with the Company of no less than 100% of the fair value of the securities loaned. United States of America (“U.S.”) Government securities and cash are accepted as collateral. The Company maintains effective control over loaned securities and, therefore, continues to report such securities as investments on the Consolidated Balance Sheets.

Securities lending is typically done on a matched-book basis where the collateral is invested to substantially match the term of the loan. This matching of terms tends to limit risk. In accordance with the Company’s lending agreements, securities on loan are returned immediately to the Company upon notice. Collateral is not reflected as an asset of the Company. There was no collateral held at December 31, 2025 and 2024.
Revenue recognition
Revenue recognition – Premiums on property and casualty insurance contracts are recognized in proportion to the underlying risk insured and are primarily earned ratably over the term of the policies. Premiums on long-term care contracts are earned ratably over the policy year in which they are due. The reserve for unearned premiums represents the portion of premiums written relating to the unexpired terms of coverage.

Property and casualty contracts that are retrospectively rated or subject to audit premiums contain provisions that result in an adjustment to the initial policy premium depending on the contract provisions. These provisions stipulate the adjustment due to loss experience of the insured during the coverage period, or changes in the level of exposure to insurance risk. For such contracts, CNA estimates the amount of ultimate premiums that it may earn upon completion of the coverage period and recognizes either an asset or a liability for the difference between the initial policy premium and the estimated ultimate premium. CNA either adjusts such estimated ultimate premium amounts during the course of the coverage period based on actual results to date or by conducting premium audits after the policy has expired to determine the final exposure to insured risks. The resulting adjustment is recorded as either a reduction of or an increase to the earned premiums for the period.

Insurance receivables include balances due currently or in the future, including amounts due from insureds related to paid losses under high deductible policies, and are presented at unpaid balances, net of an allowance for doubtful accounts. As of December 31, 2025 and 2024, an allowance for doubtful accounts of $25 million and $26 million for insurance receivables has been established using a loss rate methodology to determine expected credit losses for premium receivables. This methodology uses CNA’s historical annual credit losses relative to gross premium written to develop a range of credit loss rates for each dollar of gross written premium underwritten. Additionally, an expected credit loss for amounts due from insureds under high deductible and retrospectively rated policies is calculated on a pool basis, informed by historical default rate data obtained from major rating agencies. Changes in the allowance are presented as a component of Other operating expenses on the Consolidated Statements of Operations. Amounts are considered past due based on policy payment terms. Insurance receivables and any related allowance are written off after collection efforts are exhausted or a negotiated settlement is reached.
CNA’s non-insurance warranty revenues are primarily generated from separately-priced service contracts that provide mechanical breakdown and other coverages to vehicle or consumer goods owners, which generally provide coverage from one month to ten years. For warranty products where CNA acts as the principal in the transaction, Non-insurance warranty revenue is reported on a gross basis, with amounts paid by customers reported as Non-insurance warranty revenue and commissions paid to agents and dealers reported as Non-insurance warranty expense on the Consolidated Statements of Operations. Additionally, CNA provides warranty administration services for dealer and manufacturer warranty products. Non-insurance revenues are recognized when obligations under the terms of the contract with CNA’s customers are satisfied, which is generally over time as obligations are fulfilled. CNA recognizes non-insurance warranty revenue over the service period in proportion to the actuarially determined expected claims emergence pattern. Customers predominantly pay in full at the inception of the warranty contract. The liability for unearned warranty revenue, reported as Deferred non-insurance warranty revenue on the Consolidated Balance Sheets, represents the unearned portion of revenue in advance of CNA’s performance, including amounts which are refundable upon cancellation.

Contract costs to obtain or fulfill non-insurance warranty contracts with customers are deferred and recorded as Deferred non-insurance warranty acquisition expenses on the Consolidated Balance Sheets. These costs are expected to be recoverable over the term of the contract and are amortized in the same manner the related revenue is recognized. CNA evaluates deferred costs for recoverability including consideration of anticipated investment income. Adjustments to deferred costs, if necessary, are recorded in the current period results of operations.

Boardwalk Pipelines primarily earns revenues by providing transportation and storage services for natural gas and natural gas liquids, olefins and other hydrocarbons (referred to together as “NGLs”) on a firm and interruptible basis and providing ethane supply and transportation services for petrochemical customers in Louisiana and Texas. Boardwalk Pipelines also provides interruptible natural gas parking and lending services. The majority of Boardwalk Pipelines’ operating subsidiaries are subject to Federal Energy Regulatory Commission (“FERC”) regulations and certain revenues collected, under certain circumstances, may be subject to possible refunds to its customers. An estimated refund liability is recorded considering regulatory proceedings, advice of counsel and estimated total exposure. The majority of Boardwalk Pipelines’ revenues are from firm service contracts which are accounted for as a single promise to stand ready each month of the contract term to provide the committed capacity for either transportation or storage services. The transaction price is comprised of a fixed fee based on the capacity reserved plus a usage fee paid on the volume of commodity transported or injected and withdrawn from storage. Both the fixed and the usage fees are allocated to the single performance obligation of providing transportation or storage service and recognized over time as control is passed to the customer. These service contracts can range in term from one to 20 years and are invoiced monthly. For the ethane supply contracts, the purchases and sales are with different counterparties and control transfers at different receipt and delivery points, resulting in the purchases and sales being presented on a gross basis in the Consolidated Statements of Operations.

Loews Hotels & Co provides lodging and related goods and services as well as management and marketing services. Lodging and related revenues are recognized as the guest takes possession of the goods or receives the services. Management and marketing services revenues are recognized as the services are provided and billed on a monthly basis. In addition, Loews Hotels & Co recognizes revenue for the reimbursement of payroll and other expenses as they are incurred on behalf of the owners of joint venture and managed hotel properties.
Claim and claim adjustment expense reserves
Claim and claim adjustment expense reserves – Claim and claim adjustment expense reserves, except reserves for structured settlements not associated with asbestos and environmental pollution (“A&EP”) and workers’ compensation lifetime claims, are not discounted and are based on (i) case basis estimates for losses reported on direct business, adjusted in the aggregate for ultimate loss expectations; (ii) estimates of incurred but not reported losses; (iii) estimates of losses on assumed reinsurance; (iv) estimates of future expenses to be incurred in the settlement of claims; (v) estimates of salvage and subrogation recoveries and (vi) estimates of amounts due from insureds related to losses under high deductible policies. Management considers current conditions and trends as well as past CNA and industry experience in establishing these estimates. The effects of inflation, which can be significant, are implicitly considered in the reserving process and are part of the recorded reserve balance. Ceded claim and claim adjustment expense reserves are reported as a component of Receivables on the Consolidated Balance Sheets.

Claim and claim adjustment expense reserves are presented net of anticipated amounts due from insureds related to losses under deductible policies of $1.6 billion and $1.3 billion as of December 31, 2025 and 2024. A significant portion of these amounts are supported by collateral. CNA also has an allowance for uncollectible deductible amounts, which is presented as a component of the allowance for doubtful accounts included in Receivables on the Consolidated Balance Sheets.

Structured settlements have been negotiated for certain property and casualty insurance claims. Structured settlements are agreements to provide fixed periodic payments to claimants. CNA’s obligations for structured settlements not funded by annuities are included in claim and claim adjustment expense reserves and are discounted at a weighted average interest
rate of 6.5% and 6.6% as of December 31, 2025 and 2024. This interest rate is based on the expected yield of the assets that support the reserves and reinvestment assumptions. As of December 31, 2025 and 2024, the discounted reserves for unfunded structured settlements were $432 million and $444 million, net of discount of $505 million and $535 million. For the years ended December 31, 2025, 2024 and 2023, the amount of interest recognized on the discounted reserves of unfunded structured settlements was $32 million, $33 million and $34 million. This interest accretion is presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations but is excluded from the disclosure of prior year loss reserve development.

Workers’ compensation lifetime claim reserves are calculated using mortality assumptions determined through statutory regulation and economic factors. As of December 31, 2025 and 2024, workers’ compensation lifetime claim reserves are discounted at a 3.5% interest rate. As of December 31, 2025 and 2024, the discounted reserves for workers’ compensation lifetime claim reserves were $167 million and $179 million, net of discount of $78 million and $80 million. For the years ended December 31, 2025, 2024 and 2023, the amount of interest accretion recognized on the discounted reserves of workers’ compensation lifetime claim reserves was $6 million, $6 million and $9 million. This interest accretion is presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations, but is excluded from the disclosure of prior year loss reserve development.
Future policy benefit reserves
Future policy benefit reserves – Future policy benefit reserves are associated with CNA’s run-off long-term care business and relate to policyholders that are currently receiving benefits, including claims that have been incurred but are not yet reported, as well as policyholders that are not yet receiving benefits.

The liability for future policyholder benefits (“LFPB”) is computed using the net level premium method, which incorporates cash flow and discount rate assumptions. Under the net level premium method, the LFPB is equal to the present value of future benefits and claim settlement expenses less the present value of future net premiums. Net premiums are equal to gross premiums multiplied by the Net Premium Ratio (“NPR”). The NPR is generally the ratio of the present value of benefits and expense payments to the present value of gross premiums, expected over the lifetime of the policy. As a result of the modified retrospective adoption of ASU 2018-12, CNA’s NPR calculation incorporates the original locked in discount rate and the reserve balance as of the transition date of January 1, 2021.

The key cash flow assumptions used to estimate the LFPB are morbidity, persistency, premium rate actions and expenses. Morbidity is the frequency and severity of injury, illness, sickness and diseases contracted. Persistency is the percentage of policies remaining in force and can be affected by policy lapses, benefit reductions and death. Premium rate actions are generally subject to regulatory approval, and therefore the exact timing and size of the approved rate increases are unknown. Expense assumptions relate to claim adjudication. The practical expedient was not elected that allows locking in the expense assumption. The carried LFPB discount rate is determined using the upper-medium grade fixed income instrument yield curve.

CNA has elected to update the NPR and the LFPB for actual experience on a quarterly basis. A quarterly assessment is also made as to whether evidence suggests that cash flow assumptions should be updated. Annually, in the third quarter, actuarial analysis is performed on policyholder morbidity, persistency, premium rate actions and expense experience. This analysis, combined with judgment, informs the setting of updated cash flow assumptions used to estimate the LFPB. Actuarial analysis includes predictive modeling, actual to expected experience comparisons and trend analysis. Applicable industry research and current macroeconomic conditions are also considered. The effect of changes in cash flow assumptions and actual variances from expected experience are recorded in the results of operations within Insurance claims and policyholders’ benefits.

Quarterly, to derive the upper-medium grade fixed income instrument yield discount rate assumption, a published spot rate curve constructed from single-A rated U.S. dollar denominated corporate bonds is used. Linear interpolation to determine yield assumptions for tenors that fall between points for which observable rates are available is used. For cash flows that are projected to occur beyond the tenor for which market-observable rates are available, CNA applies judgment to estimate a normative rate which it grades to over 10 years. The effect of changes in discount rate assumptions are recorded in Other comprehensive income (loss).

Quarterly, the updated NPR is used to derive an updated LFPB as of the beginning of the current quarter measured at the original locked in discount rate. The updated LFPB is then compared to the existing carrying amount of the liability as of the same date (measured at the original locked in discount rate) to determine the re-measurement gain (loss), which is presented parenthetically within the Insurance claims and policyholders’ benefits line on the Consolidated Statements of Operations.
Insurance contracts are grouped into cohorts according to issue year. Contracts assumed through reinsurance are generally included within the same cohorts as contracts issued directly, according to issue year. The issue year for assumed contracts is defined according to the date that assumption of insurance risk incepted. For assumed contracts that were reinsured concurrently with the issuance of the underlying direct contract, issue year is defined as the year that the underlying policy was issued. For contracts that were already in-force when assumed, issue year is defined as the year in which the reinsurance agreement incepted. For group long-term care business, issue year is defined as the year the individual insurance certificate was issued. Long-term care is CNA’s only long-duration product line, therefore, cohorts are not further disaggregated by product.
Insurance-related assessments
Insurance-related assessments – Liabilities for insurance-related assessments are accrued when an assessment is probable, when it can be reasonably estimated and when the event obligating the entity to pay an imposed or probable assessment has occurred. Liabilities for insurance-related assessments are not discounted and are included as part of Other liabilities on the Consolidated Balance Sheets. As of December 31, 2025 and 2024, the liability balances were $89 million and $86 million.
Reinsurance
Reinsurance – Reinsurance accounting allows for contractual cash flows to be reflected as premiums and losses. To qualify for reinsurance accounting, reinsurance agreements must include risk transfer. To meet risk transfer requirements, a reinsurance contract must include both insurance risk, consisting of underwriting and timing risk, and a reasonable possibility of a significant loss for the assuming entity.

Reinsurance receivables related to paid losses are presented at unpaid balances. Reinsurance receivables related to unpaid losses are estimated in a manner consistent with claim and claim adjustment expense reserves or future policy benefit reserves. Reinsurance receivables are reported net of an allowance for doubtful accounts on the Consolidated Balance Sheets. The cost of reinsurance is primarily accounted for over the life of the underlying reinsured policies using assumptions consistent with those used to account for the underlying policies or over the reinsurance contract period. The ceding of insurance does not discharge the primary liability of CNA.

As of December 31, 2025 and 2024, an allowance for doubtful accounts of $27 million and $21 million have been established for each year for reinsurance receivables, which relates to both amounts already billed on ceded paid losses as well as ceded reserves that will be billed when losses are paid in the future. For assessing expected credit losses, CNA separates reinsurance receivables into two pools: voluntary reinsurance receivables and involuntary receivables related to mandatory pools. CNA has not recorded an allowance for involuntary pools as there is no perceived credit risk. The principal credit quality indicator used in the valuation of the allowance on voluntary reinsurance receivables is the financial strength rating of the reinsurer sourced from major rating agencies. If the reinsurer is unrated, an internal financial strength rating is assigned based on CNA’s historical loss experience and the assessment of the reinsurance counterparty’s risk profile, which generally corresponds with a B rating. Reinsurer financial strength ratings are updated and reviewed on an annual basis or sooner if CNA becomes aware of significant changes related to a reinsurer. The allowance for doubtful accounts on reinsurance receivables is estimated on the basis of periodic evaluations of balances due from reinsurers, reinsurer financial strength rating and solvency, industry experience and current and forecast economic conditions. Because billed receivables generally approximate 8% or less of total reinsurance receivables, the age of the reinsurance receivables related to paid losses is not a significant input into the allowance analysis. Changes in the allowance for doubtful accounts on reinsurance receivables are presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations.

Amounts are considered past due based on the reinsurance contract terms. Reinsurance receivables related to paid losses and any related allowance are written off after collection efforts have been exhausted or a negotiated settlement is reached with the reinsurer. Reinsurance receivables from insolvent insurers related to paid losses are written off when the settlement due from the estate can be reasonably estimated. At the time reinsurance receivables related to paid losses are written off, any required adjustment to reinsurance receivables related to unpaid losses is recorded as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations.

A loss portfolio transfer is a retroactive reinsurance contract. If the cumulative claim and allocated claim adjustment expenses ceded under a loss portfolio transfer exceed the consideration paid, the resulting gain from such excess is deferred and amortized into earnings in future periods in proportion to actual recoveries under the loss portfolio transfer. In any period in which there is a revised estimate of claim and allocated claim adjustment expenses and the loss portfolio transfer is in a gain position, the deferred gain is recalculated as if the revised estimate was available at the inception date of the loss portfolio transfer and the change in the deferred gain is recognized in earnings.
Deferred acquisition costs
Deferred acquisition costs – Deferrable acquisition costs include commissions, premium taxes and certain underwriting and policy issuance costs which are incremental direct costs of successful contract acquisitions. Acquisition costs related to
property and casualty business are deferred and amortized ratably over the period the related premiums are earned. Deferred acquisition costs are presented net of ceding commissions and other ceded acquisition costs.

CNA evaluates deferred acquisition costs for recoverability. Anticipated investment income is considered in the determination of the recoverability of deferred acquisition costs. Adjustments, if necessary, are recorded in current period results of operations.
Policyholder dividends
Policyholder dividends Policyholder dividends are paid to participating policyholders within the workers’ compensation and surety lines of business. Net written premiums for participating dividend policies were approximately 2% of total net written premiums for each of the years ended December 31, 2025, 2024 and 2023. Dividends to policyholders are accrued according to CNA’s best estimate of the amount to be paid in accordance with contractual provisions and applicable state laws. Dividends to policyholders are presented as a component of Insurance claims and policyholders’ benefits on the Consolidated Statements of Operations and Other liabilities on the Consolidated Balance Sheets.
Goodwill and other intangible assets Goodwill and other intangible assets – Goodwill represents the excess of purchase price over fair value of net assets of acquired entities. Goodwill is tested for impairment annually or when certain triggering events require additional tests. Subsequent reversal of a goodwill impairment charge is not permitted. Finite-lived intangible assets are amortized over their estimated useful lives. Indefinite-lived other intangible assets are tested for impairment annually or when certain triggering events require such tests.
Property, plant and equipment
Property, plant and equipment – Property, plant and equipment is carried at cost less accumulated depreciation and amortization. Depreciation is computed principally by the straight-line method over the estimated useful lives of the various classes of properties. Leaseholds and leasehold improvements are depreciated or amortized over the terms of the related leases (including optional renewal periods, where appropriate) or the estimated lives of improvements, if less than the lease term.

The principal service lives used in computing provisions for depreciation are as follows:

Years
Pipeline equipment30to50
Hotel properties and other3to40
Impairment of long-lived assets
Impairment of long-lived assets – Long-lived and finite-lived intangible assets are reviewed for impairment when changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Long-lived assets and intangibles with finite lives, under certain circumstances, are reported at the lower of carrying amount or fair value. Assets to be disposed of and assets not expected to provide any future service potential are recorded at the lower of carrying amount or fair value less cost to sell.
Income taxes
Income taxes − The Company and its eligible subsidiaries file a consolidated tax return. Deferred income taxes are recognized for temporary differences between the financial statement and tax return bases of assets and liabilities, based on enacted tax rates and other provisions of the tax law. The effect of a change in tax laws or rates on deferred tax assets and liabilities is recognized in income in the period in which such change is enacted. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not, and a valuation allowance is established for any portion of a deferred tax asset that management believes may not be realized.

The Company recognizes uncertain tax positions that it has taken or expects to take on a tax return. The tax benefit of a qualifying position is the largest amount of tax benefit that is greater than 50% likely of being realized upon ultimate settlement with a taxing authority having full knowledge of all relevant information.

The Company recognizes penalties and accrued interest related to unrecognized tax benefits and tax refund claims in Income tax expense on the Consolidated Statements of Operations. See Note 10 for additional information on the provision for income taxes.
Pension and postretirement benefits
Pension and postretirement benefits – The overfunded or underfunded status of defined benefit plans is recognized in Other assets or Other liabilities on the Consolidated Balance Sheets. Changes in funded status related to prior service costs and credits and actuarial gains and losses are recognized in the year in which the changes occur through Accumulated Other Comprehensive Income (“AOCI”). Benefit plan assets and obligations are measured at December 31. Annual service cost, interest cost, expected return on plan assets, amortization of prior service costs and credits and amortization of actuarial gains and losses are recognized in the Consolidated Statements of Operations.
Stock-based compensation
Stock-based compensation – Compensation expense is recorded upon issuance, modification or cancellation of all share-based payment awards granted, primarily on a straight-line basis over the requisite service period, generally three years. Restricted Stock Units are valued using the grant-date fair value of Loews Corporation’s stock.
Net income per share
Net income per share – Basic net income per share excludes dilution and is computed by dividing net income attributable to common stock by the weighted average number of Loews Corporation common shares outstanding for the period. Diluted net income per share reflects the potential dilution that could occur if securities or other contracts to issue Loews Corporation common stock were exercised or converted into common stock.
For the years ended December 31, 2025, 2024 and 2023, approximately 0.1 million, 0.3 million and 0.3 million potential shares attributable to issuances and exercises under incentive compensation plans were included in the calculation of diluted net income per share. For the year ended December 31, 2025 there were 1.2 million shares and for the years ended December 31, 2024 and 2023, there were no shares attributable to employee stock-based compensation awards excluded from the calculation of diluted net income per share because the effect would have been antidilutive.
Foreign currency
Foreign currency – Foreign currency translation gains and losses are reflected in Shareholders’ equity as a component of AOCI. Foreign subsidiaries’ balance sheet accounts are translated at the exchange rates in effect at each reporting date and income statement accounts are translated at the average exchange rates during the reporting period. There were foreign currency transaction gains (losses) of $10 million, $(7) million and $8 million for the years ended December 31, 2025, 2024 and 2023 included in the Consolidated Statements of Operations.
Regulatory accounting
Regulatory accounting – The majority of Boardwalk Pipelines’ revenues are earned from operating subsidiaries that are regulated by the FERC. Texas Gas Transmission, LLC (“Texas Gas”), a wholly owned subsidiary of Boardwalk Pipelines, applies regulatory accounting to certain assets for GAAP purposes, which records certain assets and liabilities consistent with the economic effect of the manner in which independent third party regulators establish rates. Gulf South Pipeline Company, LLC (“Gulf South”), a wholly owned subsidiary of Boardwalk Pipelines, has implemented fuel trackers, for which regulatory accounting is applied. Accordingly, the value of fuel received from customers paying the maximum tariff rate and the related value of fuel used in transportation are recorded to a regulatory asset or liability depending on whether Gulf South uses more fuel than it collects from customers or collects more fuel than it uses. Other than as described for Texas Gas and the fuel trackers for Gulf South, regulatory accounting is not applicable to Boardwalk Pipelines’ other FERC regulated entities or operations.
Accounting changes and Recently issued ASUs
Accounting changesIn December of 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-08, “Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets.” The updated accounting guidance requires that an entity measure crypto assets at fair value in the statement of financial position each reporting period and recognize changes from remeasurement in net income. The guidance was effective for fiscal years beginning after December 15, 2024, including interim periods within those fiscal years. The update required a cumulative-effect adjustment to the opening balance at the date of adoption. The Company adopted the guidance on January 1, 2025 and recorded an increase to Retained earnings of $5 million.
In December of 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” The updated accounting guidance requires expanded income tax disclosures, including disaggregation of the effective tax rate reconciliation and income taxes paid. The guidance is effective for fiscal years beginning after December 15, 2024. The guidance was adopted retrospectively, with comparative period income tax disclosures adjusted to reflect the change in accounting guidance. See Note 10 for additional information.

Recently issued ASUsIn November of 2024, the FASB issued ASU 2024-03, “Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses.” The updated accounting guidance requires disaggregated disclosure of specified expense categories. The guidance also requires disclosure of total selling expenses and how the Company defines selling expenses. The guidance is effective for fiscal years beginning after December 15, 2026, and interim periods within annual periods beginning after December 15, 2027. Prospective application is required, with retrospective application permitted. The Company is currently evaluating the effect the updated guidance will have on its financial statement disclosures.

In September of 2025, the FASB issued ASU 2025-06, “Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software.” The updated guidance changes the accounting for internal-use software by eliminating references to sequential project stages. Eligible software development cost capitalization will begin when: (1) management has authorized and committed to funding the software project and (2) it is probable that the software will be completed and used as intended. The guidance is effective for annual periods beginning after December 15, 2027, and interim periods within those annual periods, with early adoption permitted. The guidance may be applied using a prospective transition method, a retrospective transition method or a modified prospective transition method. The Company is currently evaluating the effect the updated guidance will have on its financial statements.
Fair value measurement
Fair value is the price that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following fair value hierarchy is used in selecting inputs, with the highest priority given to Level 1, as these are the most transparent or reliable:

Level 1 – Quoted prices for identical instruments in active markets.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets.

Level 3 – Valuations derived from valuation techniques in which one or more significant inputs are not observable.

Prices may fall within Level 1, 2 or 3 depending upon the methodology and inputs used to estimate fair value for each specific security. In general, securities are priced using third party pricing services. Securities not priced by pricing services are submitted to independent brokers for valuation and, if those are not available, internally developed pricing models are used to value assets using a methodology and inputs that market participants presumably would use to value the assets. Prices obtained from third-party pricing services or brokers are not adjusted.

Control procedures are performed over information obtained from pricing services and brokers to ensure prices received represent a reasonable estimate of fair value and to confirm representations regarding whether inputs are observable or unobservable. Procedures may include: (i) the review of pricing service methodologies or broker pricing qualifications, (ii) back-testing, where past fair value estimates are compared to actual transactions executed in the market on similar dates, (iii) exception reporting, where period-over-period changes in price are reviewed and challenged with the pricing service or broker based on exception criteria and (iv) detailed analysis, where an independent analysis of the inputs and assumptions used to price individual securities is performed.
v3.25.4
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]  
Summary of Principal Service Lives
The principal service lives used in computing provisions for depreciation are as follows:

Years
Pipeline equipment30to50
Hotel properties and other3to40
Schedule of Cash Flow, Supplemental Disclosures Cash payments for federal, state and local, and foreign income taxes are as follows:
Year Ended December 31
202520242023
(In millions)
Federal
$298 $287 $263 
State and local
35 33 37 
Foreign
Canada
18 57 (5)
Other
30 26 
Total
$381 $403 $304 
v3.25.4
Investments (Tables)
12 Months Ended
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Summary of Net Investment Income
Net investment income is as follows:

Year Ended December 31
202520242023
(In millions)   
    
Fixed maturity securities$2,140 $2,050 $1,941 
Limited partnership investments278 271 177 
Short-term investments76 90 78 
Equity securities (a)60 82 63 
Income from trading portfolio (a)209 255 125 
Other118 129 105 
Total investment income2,881 2,877 2,489 
Investment expenses(102)(97)(94)
Net investment income$2,779 $2,780 $2,395 
(a) Net investment income recognized due to the change in fair value of equity and trading portfolio securities held as of December 31, 2025, 2024 and 2023
$63 $93 $38 
Summary of Investment Gains (Losses)
Investment gains (losses) are as follows:

Year Ended December 31202520242023
(In millions)   
    
Fixed maturity securities:
Gross gains$42 $48 $75 
Gross losses(125)(150)(166)
Investment losses on fixed maturity securities(83)(102)(91)
Equity securities (a)7 21 
Derivative instruments(1)
Short-term investments and other(5)(11)
Gain on acquisition of a joint venture (see Note 2)
46 
Investment losses$(81)$(81)$(53)
(a) Investment gains (losses) recognized due to the change in fair value of non-redeemable preferred stock included within equity securities held as of December 31, 2025, 2024 and 2023
$7 $19 $14 
Summary of Impairment Losses (Gains) on Earnings
The available-for-sale impairment losses (gains) recognized in earnings by asset type are presented in the following table. The table includes losses (gains) on securities with an intention to sell and changes in the allowance for credit losses on securities since acquisition date:

Year Ended December 31202520242023
(In millions)   
    
Fixed maturity securities available-for-sale:   
Corporate and other bonds$25 $34 $33 
Asset-backed8 29 11 
Impairment losses recognized in earnings$33 $63 $44 
Summary of Amortized Cost and Fair Values of Fixed Maturity Securities
The amortized cost and fair values of fixed maturity securities are as follows:

December 31, 2025Cost or Amortized CostGross Unrealized
Gains
Gross Unrealized
Losses
Allowance
for Credit Losses
Estimated
Fair Value
(In millions)     
      
Fixed maturity securities:     
Corporate and other bonds$25,484 $682 $881 $28 $25,257 
States, municipalities and political
 subdivisions
8,870 303 742 8,431 
Asset-backed:
Residential mortgage-backed4,011 50 366 3,695 
Commercial mortgage-backed1,515 18 80 21 1,432 
Other asset-backed3,729 28 194 20 3,543 
Total asset-backed9,255 96 640 41 8,670 
U.S. Treasury and obligations of
 government sponsored enterprises
236 1 3 234 
Foreign government764 7 20 751 
Redeemable preferred stock8 8 
Fixed maturities available-for-sale$44,617 $1,089 $2,286 $69 $43,351 
Fixed maturities trading633 633 
Total fixed maturity securities$45,250 $1,089 $2,286 $69 $43,984 

December 31, 2024
    
Fixed maturity securities:    
Corporate and other bonds$25,839 $423 $1,305 $13 $24,944 
States, municipalities and political
 subdivisions
7,396 243 835 6,804 
Asset-backed:
Residential mortgage-backed3,725 488 3,244 
Commercial mortgage-backed1,779 11 141 18 1,631 
Other asset-backed3,770 24 239 14 3,541 
Total asset-backed9,274 42 868 32 8,416 
U.S. Treasury and obligations of
 government sponsored enterprises
220 220 
Foreign government701 30 677 
Fixed maturities available-for-sale$43,430 $715 $3,039 $45 $41,061 
Fixed maturities trading766 766 
Total fixed maturity securities$44,196 $715 $3,039 $45 $41,827 

Summary of Available-for-sale Securities in Gross Unrealized Loss Position
The available-for-sale fixed maturities securities in a gross unrealized loss position for which an allowance for credit losses has not been recorded are as follows:

 Less than 12 Months12 Months or LongerTotal
December 31, 2025Estimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized Losses
(In millions)
 
Fixed maturity securities:
Corporate and other bonds$2,776 $56 $8,576 $825 $11,352 $881 
States, municipalities and political
 subdivisions
403 8 3,471 734 3,874 742 
Asset-backed:
Residential mortgage-backed154 1 2,002 365 2,156 366 
Commercial mortgage-backed36 2 887 78 923 80 
Other asset-backed420 9 1,432 185 1,852 194 
Total asset-backed610 12 4,321 628 4,931 640 
U.S. Treasury and obligations of
 government-sponsored enterprises
78 2 18 1 96 3 
Foreign government131 1 260 19 391 20 
Total fixed maturity securities$3,998 $79 $16,646 $2,207 $20,644 $2,286 
December 31, 2024
Fixed maturity securities:
Corporate and other bonds$5,846 $165 $10,388 $1,140 $16,234 $1,305 
States, municipalities and political
 subdivisions
1,247 52 2,967 783 4,214 835 
Asset-backed:
Residential mortgage-backed849 22 2,010 466 2,859 488 
Commercial mortgage-backed180 988 139 1,168 141 
Other asset-backed680 21 1,557 218 2,237 239 
Total asset-backed1,709 45 4,555 823 6,264 868 
U.S. Treasury and obligations of
 government-sponsored enterprises
49 41 90 
Foreign government118 368 27 486 30 
Total fixed maturity securities$8,969 $266 $18,319 $2,773 $27,288 $3,039 
The following table presents the estimated fair value and gross unrealized losses of available-for-sale fixed maturity securities in a gross unrealized loss position for which an allowance for credit loss has not been recorded, by ratings distribution.

December 31, 2025December 31, 2024
Estimated Fair ValueGross Unrealized LossesEstimated Fair ValueGross Unrealized Losses
(In millions)
U.S. Government, Government agencies and Government-sponsored enterprises$1,980 $267 $2,567 $373 
AAA1,376 243 1,800 282 
AA3,827 623 4,247 730 
A5,025 440 6,330 582 
BBB7,758 639 11,548 980 
Non-investment grade678 74 796 92 
Total$20,644 $2,286 $27,288 $3,039 
Summary of Activity of Allowance on Available-for-Sale Securities
The following tables present the activity related to the allowance on available-for-sale securities with credit impairments and purchased credit-deteriorated (“PCD”) assets. Accrued interest receivables on available-for-sale fixed maturity securities totaled $470 million and $442 million as of December 31, 2025 and 2024 and are excluded from the estimate of expected credit losses and the amortized cost basis in the tables within this Note.

Year Ended December 31, 2025
Corporate and Other Bonds
Asset-backed
Total
 (In millions)   
Allowance for credit losses:   
Balance as of January 1, 2025
$13 $32 $45 
Additions to the allowance for credit losses:
Securities for which credit losses were not previously recorded3 3 6 
Available-for-sale securities accounted for as PCD assets4 4 
 
Reductions to the allowance for credit losses:
Securities disposed during the period (realized)6 6 
Additional increases to the allowance for credit
losses on securities that had an allowance recorded in a previous period
14 6 20 
Total allowance for credit losses$28 $41 $69 
Year Ended December 31, 2024Corporate
and Other Bonds
Asset-backedTotal
(In millions)   
Allowance for credit losses:   
Balance as of January 1, 2024
$$12 $16 
Additions to the allowance for credit losses:
Securities for which credit losses were not previously recorded18 27 
Available-for-sale securities accounted for as PCD assets
 
Reductions to the allowance for credit losses:
Securities disposed during the period (realized)
Intent to sell or more likely than not will be required to sell the
security before recovery of its amortized cost basis
Write-offs charged against the allowance
Additional increases to the allowance for credit
losses on securities that had an allowance recorded in a previous period
12 12 
Total allowance for credit losses$13 $32 $45 
Summary of Available-for-sale Fixed Maturity Securities by Contractual Maturity
The following table presents available-for-sale fixed maturity securities by contractual maturity.

December 3120252024
Cost or Amortized CostEstimated Fair
Value
Cost or Amortized CostEstimated
Fair
Value
(In millions)
Due in one year or less$1,392 $1,389 $1,761 $1,753 
Due after one year through five years11,318 11,214 11,678 11,403 
Due after five years through ten years13,440 13,187 13,083 12,365 
Due after ten years18,467 17,561 16,908 15,540 
Total$44,617 $43,351 $43,430 $41,061 
Summary of Amortized Cost Basis of Mortgage Loans for Each Credit Quality Indicator by Year of Origination
The following table presents the amortized cost basis of mortgage loans for each credit quality indicator by year of origination. The primary credit quality indicators utilized are debt service coverage ratios (“DSCR”) and loan-to-value (“LTV”) ratios.

Mortgage Loans Amortized Cost Basis by Origination Year (a)
As of December 31, 2025
2025
2024
2023
2022
2021
PriorTotal
(In millions)       
        
DSCR ≥1.6x       
LTV less than 55%$38 $33 $5 $215 $291 
LTV 55% to 65%37 12 $14 6 12 81 
LTV greater than 65%12 13 25 
DSCR 1.2x - 1.6x
LTV less than 55%$68 28 5 2 75 178 
LTV 55% to 65%107 33 38 21 19 28 246 
LTV greater than 65%7 46 53 
DSCR ≤1.2x
LTV less than 55%6 21 27 
LTV 55% to 65%37 17 38 15 107 
LTV greater than 65%40 21 25 86 
Total$226 $101 $134 $176 $66 $391 $1,094 
Write-offs for the year
   ended December 31,
   2025
(2)(23)(25)

(a)The values in the table above reflect DSCR on a standardized amortization period and LTV ratios based on the most recent appraised values trended forward using changes in a commercial real estate price index.
Summary of Aggregate Contractual or Notional Amounts and Estimated Fair Values Related to Derivative Financial Instruments
The following tables present the aggregate contractual or notional amount and estimated fair value related to derivative financial instruments.

December 3120252024
Contractual/Notional AmountEstimated Fair Value Contractual/Notional AmountEstimated Fair Value
Asset
(Liability)
Asset(Liability)
(In millions)
Without hedge designation:
Equity markets:
Options - purchased$98 $1 $268 $
Futures - short249 2 167 
Warrants1 2 
Interest rate swaps473 300 
Credit default swap index - purchased2,000 
v3.25.4
Fair Value (Tables)
12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis
Assets and liabilities measured at fair value on a recurring basis are summarized in the following tables. Corporate bonds and other includes obligations of the U.S. Treasury, government-sponsored enterprises, foreign governments and redeemable preferred stock.
December 31, 2025
Level 1
Level 2
Level 3
Total
(In millions)    
     
Fixed maturity securities:    
Corporate bonds and other$238 $24,529 $1,483 $26,250 
States, municipalities and political subdivisions8,386 45 8,431 
Asset-backed7,672 998 8,670 
Fixed maturities available-for-sale238 40,587 2,526 43,351 
Fixed maturities trading603 30 633 
Total fixed maturities$841 $40,617 $2,526 $43,984 
 
Equity securities$762 $497 $33 $1,292 
Short-term and other5,820 51 5,871 
Payable to brokers(43)(43)
December 31, 2024
Fixed maturity securities:
Corporate bonds and other$223 $24,340 $1,278 $25,841 
States, municipalities and political subdivisions6,762 42 6,804 
Asset-backed7,540 876 8,416 
Fixed maturities available-for-sale223 38,642 2,196 41,061 
Fixed maturities trading766 766 
Total fixed maturities$989 $38,642 $2,196 $41,827 
Equity securities$603 $441 $20 $1,064 
Short-term and other4,383 70 4,453 
Receivables
Payable to brokers(88)(88)
Summary of Reconciliations of Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs
The following tables present reconciliations for all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the years ended December 31, 2025 and 2024:

Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses)
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31
2025Balance, January 1
Included in Net Income
Included in OCIPurchases
Sales
Settlements
Transfers into
Level 3
Transfers out of Level 3
Balance, December 31
(In millions)           
            
Fixed maturity securities:           
Corporate bonds and other$1,278 $(6)$57 $197 $(101)$58 $1,483 $57 
States, municipalities and political subdivisions42 3 45 3 
Asset-backed876 17 (3)213 (105)998 (1)
Fixed maturities available-for-sale$2,196 $11 $57 $410 $ $(206)$58 $ $2,526 $ $59 
 
Equity securities$20 $4 $20 $(7)$(4)$33 $2 
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses)Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31 Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31
2024Balance, January 1Included in Net Income Included in OCIPurchasesSales Settlements Transfers into
 Level 3
Transfers out of Level 3 Balance, December 31
(In millions)          
          
Fixed maturity securities:          
Corporate bonds and other$1,045 $(1)$(15)$352 $(10)$(104)$11 $1,278 $(1)$(21)
States, municipalities and political subdivisions44 (2)42 (2)
Asset-backed901 (12)125 (14)(83)$(50)876 (12)
Fixed maturities available-for-sale$1,990 $$(29)$477 $(24)$(187)$11 $(50)$2,196 $(1)$(35)
 
Equity securities$24 $12 $$(19)$20 $

Net investment gains and losses are reported in Net income as follows:

Major Category of Assets and LiabilitiesConsolidated Statements of Operations Line Items
  
Fixed maturity securities available-for-saleInvestment gains (losses)
Fixed maturity securities tradingNet investment income
Equity securitiesInvestment gains (losses) and Net investment income
Other invested assetsInvestment gains (losses) and Net investment income
Derivative financial instruments held in a trading portfolioNet investment income
Derivative financial instruments, otherInvestment gains (losses) and Operating revenues and other
Summary of Significant Unobservable Inputs
The following tables present quantitative information about the significant unobservable inputs utilized in the fair value measurement of Level 3 assets. Valuations for assets and liabilities not presented in the tables below are primarily based on broker/dealer quotes for which there is a lack of transparency as to inputs used to develop the valuations. The quantitative detail of unobservable inputs from these broker quotes is neither provided nor reasonably available. The weighted average rate is calculated based on fair value.

December 31, 2025Estimated
Fair Value
Valuation TechniquesUnobservable InputsRange (Weighted Average)
 (In millions)  
    
Fixed maturity securities$1,927 Discounted cash flowCredit spread
1%
11%
(2%)
   
December 31, 2024  
   
Fixed maturity securities$1,724 Discounted cash flowCredit spread
1%
6%
(2%)
Summary of Financial Assets and Liabilities Not Measured at Fair Value
The carrying amount, estimated fair value and the level of the fair value hierarchy of the financial assets and liabilities which are not measured at fair value on the Consolidated Balance Sheets are presented in the following tables. The carrying amounts and estimated fair values of short-term debt and long-term debt exclude finance lease obligations. The carrying amounts reported on the Consolidated Balance Sheets for cash and short-term investments not carried at fair value and certain other assets and liabilities approximate fair value due to the short-term nature of these items.

Carrying AmountEstimated Fair Value
December 31, 2025Level 1Level 2Level 3Total
(In millions)     
      
Assets:     
Other invested assets, primarily mortgage loans$1,079 $1,072 $1,072 
 
Liabilities:
Short-term debt1,051 $1,051 2 1,053 
Long-term debt8,435 7,431 995 8,426 
 
December 31, 2024
 
Assets:
Other invested assets, primarily mortgage loans$1,019 $987 $987 
 
Liabilities:
Short-term debt
Long-term debt8,936 $7,702 966 8,668 
v3.25.4
Receivables (Tables)
12 Months Ended
Dec. 31, 2025
Receivables [Abstract]  
Summary of Receivables
December 3120252024
(In millions)  
   
Reinsurance (Note 16)
$6,408 $6,072 
Insurance3,764 3,697 
Receivable from brokers58 50 
Accrued investment income485 458 
Income taxes3 
Other, primarily customer accounts318 284 
Total11,036 10,570 
Less: allowance for doubtful accounts on reinsurance receivables27 21 
  allowance for other doubtful accounts26 27 
Receivables$10,983 $10,522 
v3.25.4
Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Summary of Property, Plant and Equipment
December 3120252024
(In millions)  
   
Pipeline equipment (net of accumulated depreciation of $5,184 and $4,819)
$8,330 $8,478 
Hotel properties (net of accumulated depreciation of $709 and $646)
1,522 1,517 
Other (net of accumulated depreciation of $556 and $578)
486 496 
Construction in process357 247 
Property, plant and equipment$10,695 $10,738 

Depreciation expense and capital expenditures are as follows:

Year Ended December 31
202520242023
 Depre-ciationCapital Expend.Depre-ciationCapital
Expend.
Depre-ciationCapital Expend.
(In millions)      
       
CNA Financial$65 $73 $59 $105 $54 $97 
Boardwalk Pipelines440 386 426 365 410 383 
Loews Hotels & Co100 143 93 115 69 201 
Corporate2 12 
Total$607 $602 $580 $585 $534 $693 
v3.25.4
Claim and Claim Adjustment Expense Reserves (Tables)
12 Months Ended
Dec. 31, 2025
Insurance [Abstract]  
Summary of Net Liability for Unpaid Claim and Claim Adjustment Expenses
The table below reconciles the net liability for unpaid claim and claim adjustment expenses to the amount presented on the Consolidated Balance Sheets.

December 312025
(In millions) 
  
Net liability for unpaid claim and claim adjustment expenses: 
Property & Casualty Operations$19,725 
Other Insurance Operations (a)
892 
Total net claim and claim adjustment expenses20,617 
 
Reinsurance receivables: (b)
Property & Casualty Operations3,684 
Other Insurance Operations (c)
2,298 
Total reinsurance receivables5,982 
Total gross liability for unpaid claims and claims adjustment expenses$26,599 

(a)Other Insurance Operations amounts are related to unfunded structured settlements arising from short duration contracts.
(b)Reinsurance receivables presented are gross of the allowance for uncollectible reinsurance and do not include reinsurance receivables related to paid losses.
(c)The Other Insurance Operations reinsurance receivables are primarily related to A&EP claims covered under the A&EP loss portfolio transfer (“LPT”).
Summary of Reconciliation of Claim and Claim Adjustment Expense Reserves
The following table presents a reconciliation between beginning and ending claim and claim adjustment expense reserves.

Year Ended December 31
202520242023
(In millions)   
    
Reserves, beginning of year:   
Gross$24,976 $23,304 $22,120 
Ceded5,713 5,141 5,191 
Net reserves, beginning of year19,263 18,163 16,929 
 
Net incurred claim and claim adjustment expenses:
Provision for insured events of current year6,724 6,330 5,667 
Increase (decrease) in provision for insured events of prior years189 42 48 
Amortization of discount39 39 44 
Total net incurred (a)
6,952 6,411 5,759 
 
Net payments attributable to:
Current year events(1,089)(1,093)(922)
Prior year events(4,685)(4,096)(3,679)
Total net payments(5,774)(5,189)(4,601)
 
Foreign currency translation adjustment and other176 (122)76 
 
Net reserves, end of year20,617 19,263 18,163 
Ceded reserves, end of year5,982 5,713 5,141 
Gross reserves, end of year$26,599 $24,976 $23,304 

(a)
Total net incurred does not agree to Insurance claims and policyholders’ benefits as reflected on the Consolidated Statements of Operations due to amounts related to retroactive reinsurance deferred gain accounting, uncollectible reinsurance and benefit expenses related to future policy benefits and policyholders’ dividends, which are not reflected in the table above.
Summary of Gross and Net Carried Reserves
The following tables present the gross and net carried reserves:

December 31, 2025Property and Casualty OperationsOther Insurance OperationsTotal
(In millions)   
    
Gross Case Reserves$7,311 $1,752 $9,063 
Gross IBNR Reserves16,098 1,438 17,536 
 
Total Gross Carried Claim and Claim Adjustment Expense Reserves$23,409 $3,190 $26,599 
 
Net Case Reserves$6,189 $625 $6,814 
Net IBNR Reserves13,536 267 13,803 
 
Total Net Carried Claim and Claim Adjustment Expense Reserves$19,725 $892 $20,617 
December 31, 2024
Gross Case Reserves$6,589 $1,813 $8,402 
Gross IBNR Reserves15,093 1,481 16,574 
Total Gross Carried Claim and Claim Adjustment Expense Reserves$21,682 $3,294 $24,976 
Net Case Reserves$5,573 $634 $6,207 
Net IBNR Reserves12,761 295 13,056 
Total Net Carried Claim and Claim Adjustment Expense Reserves$18,334 $929 $19,263 
Summary of Net Prior Year Loss Reserve Development in Property and Casualty Operations
The following table and discussion present details of the net prior year loss reserve development in Property & Casualty Operations and Other Insurance Operations:

Year Ended December 31
202520242023
(In millions)   
    
Medical professional liability$(8)$
Other professional liability and management liability$69 49 37 
Surety(50)(68)(43)
Warranty10 20 (11)
Commercial auto74 107 33 
General liability114 75 149 
Workers’ compensation(135)(202)(203)
Other property and casualty operations(31)(4)10 
Total property & casualty operations
51 (31)(23)
Other insurance operations134 79 71 
Total pretax unfavorable development$185 $48 $48 
Summary of Net Liability for Unpaid Claims and Claims Adjustment Expenses by Line of Business
The table below presents the net liability for unpaid claim and claim adjustment expenses, by line of business for Property & Casualty Operations:

December 312025
(In millions) 
  
Medical professional liability$1,468 
Other professional liability and management liability4,073 
Surety521 
Warranty58 
Commercial auto1,573 
General liability4,837 
Workers’ compensation3,482 
Other property and casualty operations3,713 
Total net liability for unpaid claim and claim adjustment expenses$19,725 
Summary of Incurred Claims Development
Medical Professional Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$427 $487 $485 $499 $508 $510 $508 $514 $513 $509 $12 16,205 
2017412 449 458 460 455 460 456 463 458 11 15,400 
2018404 429 431 448 470 495 499 507 34 15,358 
2019430 445 458 471 469 481 478 17 14,572 
2020477 476 455 447 419 400 57 11,381 
2021377 376 374 349 318 57 10,085 
2022329 329 333 323 87 10,353 
2023340 350 382 129 11,129 
2024343 376 199 11,002 
2025390 317 9,107 
 Total$4,141 $920 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$18 $121 $246 $339 $401 $436 $460 $483 $489 $491 
201719 107 235 308 355 388 417 427 438 
201821 115 211 290 349 418 453 463 
201917 91 183 280 349 395 425 
202011 61 139 201 258 303 
202111 49 118 170 223 
202210 57 122 171 
202314 86 160 
202413 82 
202515 
Total$2,771 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,370 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
47 
Liability for unallocated claim adjustment expenses for accident years presented51 
Total net liability for unpaid claim and claim adjustment expenses$1,468 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$60 $(2)$14 $$$(2)$$(1)$(4)$82 
201737 (5)(4)(5)46 
201825 17 22 25 8 103 
201915 13 13 (2)12 (3)48 
2020(1)(21)(8)(28)(19)(77)
2021(1)(2)(25)(31)(59)
2022— (10)(6)
202310 32 42 
202433 33 
Total net development for the accident years presented above15 (17)1 
Total net development for accident years prior to 2016
(10)1 
Total unallocated claim adjustment expense development— — (2)
Total$$(8)$ 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Other Professional Liability and Management Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$901 $900 $900 $904 $907 $891 $888 $906 $912 $910 $28 17,993 
2017847 845 813 791 775 758 746 752 744 25 18,223 
2018850 864 869 906 923 941 987 1,003 44 20,083 
2019837 845 856 876 939 970 984 79 19,577 
2020930 944 951 945 945 936 106 19,558 
20211,037 1,038 1,009 965 956 190 18,444 
20221,120 1,112 1,084 1,049 265 18,534 
20231,149 1,166 1,239 365 19,902 
20241,150 1,200 609 20,579 
20251,208 978 19,311 
        Total$10,229 $2,689  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$64 $248 $466 $625 $701 $736 $784 $826 $856 $862 
201757 222 394 498 557 596 630 672 699 
201854 282 473 599 706 779 847 886 
201964 263 422 567 699 801 864 
202067 248 400 523 660 751 
202158 217 356 502 634 
202264 225 453 638 
202364 302 594 
202477 315 
202581 
Total$6,324 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$3,905 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
101 
Liability for unallocated claim adjustment expenses for accident years presented67 
Total net liability for unpaid claim and claim adjustment expenses$4,073 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended
December 31
Total
Accident Year
2016$(1)$— $$$(16)$(3)$18 $$(2)$
2017(2)(32)(22)(16)(17)(12)(8)(103)
201814 37 17 18 46 16 153 
201911 20 63 31 14 147 
202014 (6)— (9)
2021(29)(44)(9)(81)
2022(8)(28)(35)(71)
202317 73 90 
202450 50 
Total net development for the accident years presented above44 34 90 
Total net development for accident years prior to 2016
(7)10 (18)
Total unallocated claim adjustment expense development— (3)
Total$37 $49 $69 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Surety
Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$124 $124 $109 $84 $67 $64 $58 $43 $43 $43 $5,590 
2017120 115 103 84 71 66 67 67 66 5,928 
2018114 108 91 62 56 51 49 58 6,322 
2019119 112 98 87 82 82 81 6,286 
2020128 119 81 67 57 67 4,918 
2021137 129 110 91 74 12 5,003 
2022155 158 132 118 53 5,131 
2023175 169 147 92 4,889 
2024171 167 124 4,397 
2025163 155 3,143 
 Total$984 $456 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$$37 $45 $45 $43 $43 $41 $40 $40 $40 
201723 37 41 46 49 62 62 63 63 
201825 34 39 40 41 41 46 
201912 34 44 59 70 74 75 
202020 28 33 44 57 
202120 35 42 59 
202212 35 52 59 
202327 52 
202420 37 
20254 
Total$492 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$492 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
13 
Liability for unallocated claim adjustment expenses for accident years presented16 
Total net liability for unpaid claim and claim adjustment expenses$521 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$— $(15)$(25)$(17)$(3)$(6)$(15)$— $ $(81)
2017(5)(12)(19)(13)(5)— (1)(54)
2018(6)(17)(29)(6)(5)(2)9 (56)
2019(7)(14)(11)(5)— (1)(38)
2020(9)(38)(14)(10)10 (61)
2021(8)(19)(19)(17)(63)
2022(26)(14)(37)
2023(6)(22)(28)
2024(4)(4)
Total net development for the accident years presented above(54)(63)(40)
Total net development for accident years prior to 2016
11 (5)(7)
Total unallocated claim adjustment expense development— — (3)
Total$(43)$(68)$(50)
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Commercial Auto

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNR Cumulative
Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$198 $186 $186 $186 $190 $195 $200 $197 $195 $194 $— 30,459 
2017199 198 200 221 232 239 241 241 237 — 30,948 
2018229 227 227 245 254 255 260 259 34,333 
2019257 266 289 323 325 327 323 — 37,281 
2020
310 303 304 298 303 299 29,192 
2021
397 388 390 393 377 16 33,063 
2022
437 465 496 506 55 37,327 
2023
554 620 635 120 42,921 
2024
726 799 270 49,670 
2025
886 616 41,075 
 Total$4,515 $1,085 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$52 $93 $126 $154 $175 $185 $190 $192 $193 $193 
201758 107 150 178 203 225 232 235 237 
201866 128 175 212 238 249 256 257 
201977 147 203 257 295 312 319 
202071 134 197 246 276 287 
202183 168 240 305 347 
2022112 236 334 411 
2023127 270 414 
2024153 345 
2025163 
Total$2,973 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,542 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
5 
Liability for unallocated claim adjustment expenses for accident years presented26 
Total net liability for unpaid claim and claim adjustment expenses$1,573 
Net Strengthening (Releases) of Prior Accident Year Reserves
Years Ended December 31
Total
Accident Year
2016$(12)$— $— $$$$(3)$(2)$(1)$(4)
2017(1)21 11 — (4)38 
2018(2)— 18 (1)30 
201923 34 (4)66 
2020(7)(6)(4)(11)
2021(9)(16)(20)
202228 31 10 69 
202366 15 81 
202473 73 
Total net development for the accident years presented above26 110 68 
Total net development for accident years prior to 2016
(3)3 
Total unallocated claim adjustment expense development— 3 
Total$33 $107 $74 
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
General Liability

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNR Cumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$623 $659 $667 $671 $673 $683 $684 $704 $712 $723 $23 24,982 
2017632 632 632 634 630 652 690 713 749 15 22,611 
2018653 644 646 639 650 679 665 663 63 20,631 
2019680 682 682 691 720 727 747 98 20,091 
2020723 722 726 736 702 662 139 15,152 
2021782 784 793 814 833 189 16,349 
2022929 928 930 952 316 18,494 
20231,071 1,106 1,146 516 18,905 
20241,271 1,295 833 20,250 
20251,381 1,218 15,771 
 Total$9,151 $3,410 
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year
2016$32 $163 $279 $407 $481 $524 $582 $620 $652 $681 
201723 118 250399 471 553 606 657 705 
201833 107228 307 428 491 546 573 
20192598 181 322 455 532 607 
202023 99 192 280 367 450 
202126 140 262 391 542 
202229 123 260 439 
202333 153 356 
202434 180 
202543 
Total$4,576 
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$4,575 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
179 
Liability for unallocated claim adjustment expenses for accident years presented83 
Total net liability for unpaid claim and claim adjustment expenses$4,837 

Net Strengthening (Releases) of Prior Accident Year Reserves

Years Ended December 31
         
Total
Accident Year          
2016$36 $$$$10 $$20 $$11 $100 
2017 — — (4)22 38 23 36 117  
2018 (9)(7)11 29 (14)(2)10  
2019 — 29 20 67  
2020 (1)10 (34)(40)(61) 
2021 21 19 51  
2022 (1)22 23  
2023 35 40 75  
202424 24  
Total net development for the accident years presented above 13448130  
Total net development for accident years prior to 2016
15 27 (30)  
Total unallocated claim adjustment expense development — 14  
Total $149 $75 $114   
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
Workers’ Compensation

Cumulative Net Incurred Claim and Allocated Claim Adjustment ExpensesDecember 31, 2025
December 312016 (a)2017 (a)2018 (a)2019 (a)2020 (a)2021 (a)2022 (a)2023 (a)2024 (a)2025 IBNRCumulative Number of Claims
(In millions, except reported claims data)
Accident Year            
2016$426 $405 $396 $382 $366 $355 $331 $308 $293 $287 $40 32,007 
2017440 432 421 400 402 399 398 383 364 44 33,164 
2018450 440 428 415 415 404 399 393 57 34,930 
2019452 449 437 436 419 416 410 57 34,398 
2020477 466 446 414 393 363 74 29,506 
2021468 454 432 421 412 97 30,150 
2022497 489 478 467 108 33,488 
2023555 551 541 161 37,037 
2024574 586 196 38,866 
2025646 348 36,112 
        Total$4,469 $1,182  

Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses
Accident Year          
2016$53 $129 $169 $198 $219 $227 $234 $235 $238 $238 
201763 151 207 243 265 279 287 293 295 
201868 163 229 259 280 298 307 313 
201971 169 223 262 291 310 320 
202065 147 200 228 246 257 
202167 164 222 256 273 
202279 192 258 299 
202387 209 286 
2024111 264 
2025127 
 Total$2,672 
  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented$1,797 
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016
1,648 
Other (b)(23)
Liability for unallocated claim adjustment expenses for accident years presented60 
Total net liability for unpaid claim and claim adjustment expenses $3,482 

Net Strengthening (Releases) of Prior Accident Year Reserves

Years Ended December 31
         
Total
Accident Year          
2016$(21)$(9)$(14)$(16)$(11)$(24)$(23)$(15)$(6)$(139)
2017 (8)(11)(21)(3)(1)(15)(19)(76) 
2018 (10)(12)(13)— (11)(5)(6)(57) 
2019 (3)(12)(1)(17)(3)(6)(42) 
2020 (11)(20)(32)(21)(30)(114) 
2021 (14)(22)(11)(9)(56) 
2022 (8)(11)(11)(30) 
2023 (4)(10)(14) 
202412 12  
Total net development for the accident years presented above (114)(85)(85)  
Adjustment for development on a discounted basis (2)(2)2   
Total net development for accident years prior to 2016
(93)(115)(52)  
Total unallocated claim adjustment expense development —    
Total $(203)$(202)$(135)  
(a)Data presented for these calendar years is required supplemental information, which is unaudited.
(b)Other includes the effect of discounting lifetime claim reserves.
Summary of Supplementary Information about Average Historical Claims Duration
The table below presents information about average historical claims duration as of December 31, 2025 and is presented as required supplementary information, which is unaudited.

Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:
 12345678910
           
Medical professional liability3.6%16.6%21.4%16.7%13.2%9.7%6.1%2.9%1.8%0.4%
Other professional liability and management liability6.419.519.815.011.57.35.84.73.50.7
Surety (a)15.236.212.98.46.39.2(0.9)2.6
Commercial auto22.622.519.115.210.75.52.60.90.7
General liability3.412.115.516.614.59.88.45.45.44.0
Workers’ compensation17.624.214.58.85.83.82.31.20.8

(a)Due to the nature of the Surety business, average annual percentage payout of ultimate net incurred claim and allocated claim adjustment expenses has been calculated using only the payouts of mature accident years presented in the loss reserve development tables.
Summary of Impact of Loss Portfolio Transfer
The following table presents the impact of the Loss Portfolio Transfer on the Consolidated Statements of Operations.

Year Ended December 31
202520242023
(In millions)   
    
Additional amounts ceded under LPT$185 $103 $86 
Retroactive reinsurance benefit recognized(140)(95)(94)
Pretax impact of deferred retroactive reinsurance$45 $$(8)
v3.25.4
Future Policy Benefits Reserves (Tables)
12 Months Ended
Dec. 31, 2025
Insurance [Abstract]  
Summary of Liability for Future Policy Benefit
The following table summarizes balances and changes in the LFPB.

202520242023
(In millions)
Present value of future net premiums
Balance, January 1$3,425 $3,710 $3,991 
Effect of changes in discount rate(7)(125)(74)
Balance, January 1, at original locked in discount rate3,418 3,585 3,917 
Effect of changes in cash flow assumptions (a)114 111 28 
Effect of actual variances from expected experience (a)(10)(41)(126)
Adjusted balance, January 13,522 3,655 3,819 
Interest accrual176 183 202 
Net premiums: earned during period(406)(420)(436)
Balance, end of period at original locked in discount rate3,292 3,418 3,585 
Effect of changes in discount rate71 125 
Balance, December 31
$3,363 $3,425 $3,710 
Present value of future benefits & expenses
Balance, January 1$16,583 $17,669 $17,471 
Effect of changes in discount rate440 (578)(125)
Balance, January 1, at original locked in discount rate17,023 17,091 17,346 
Effect of changes in cash flow assumptions (a)121 126 36 
Effect of actual variances from expected experience (a)87 69 (46)
Adjusted balance, January 117,231 17,286 17,336 
Interest accrual918 924 962 
Benefit & expense payments(1,165)(1,187)(1,207)
Balance, end of period at original locked in discount rate16,984 17,023 17,091 
Effect of changes in discount rate(173)(440)578 
Balance, December 31
$16,811 $16,583 $17,669 
Net LFPB, December 31
$13,448 $13,158 $13,959 

(a)
As of December 31, 2025, 2024 and 2023, the re-measurement loss of $(104), $(125) and $(88) presented parenthetically on the Consolidated Statement of Operations is comprised of the effect of changes in cash flow assumptions and the effect of actual variances from expected experience.
The following table presents earned premiums and interest accretion associated with the long-term care business recognized on the Consolidated Statement of Operations.

Year Ended December 31
202520242023
(In millions)
   
Earned premiums$423 $437 $451 
Interest accretion
742 741 760 

The following table presents undiscounted expected future benefit and expense payments and undiscounted expected future gross premiums.

December 31,
20252024
(In millions)
Expected future benefit and expense payments$31,323 $31,712 
Expected future gross premiums4,930 5,183 
The weighted average interest rates in the table below are calculated based on the rate used to discount all future cash flows.

December 31,
20252024
Original locked in discount rate5.16 %5.20 %
Upper-medium grade fixed income instrument discount rate5.32 5.51 
v3.25.4
Leases (Tables)
12 Months Ended
Dec. 31, 2025
Leases [Abstract]  
Summary of Maturities of Lease Liabilities
The table below presents the maturities of lease liabilities:

Operating
As of December 31, 2025
Leases
(In millions) 
  
2026
$55 
2027
55 
2028
50 
2029
51 
2030
47 
Thereafter255 
Total513 
Less: discount138 
Total lease liabilities$375 
Summary of Weighted Average Remaining Lease Term for Operating Leases and Weighted Average Discount Rate
The table below presents the weighted average remaining lease term for operating leases and weighted average discount rate used in calculating the operating lease asset and liability.

As of December 31, 2025
 
  
Weighted average remaining lease term10.1 years
Weighted average discount rate4.2%
v3.25.4
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Before Income Tax Expense and Current and Deferred Components of Income Tax Expense (Benefit)
The components of U.S. and foreign income before income tax expense and the current and deferred components of income tax expense (benefit) are as follows:

Year Ended December 31
202520242023
(In millions)
Income before income tax expense:
U.S.$1,999 $1,672 $1,798 
Foreign284 202 198 
Total$2,283 $1,874 $1,996 

Current tax expense
Federal
$314 $320 $267 
State and local
37 47 20 
Foreign
48 58 37 
Total current tax expense
399 425 324 
Deferred tax expense (benefit)
Federal
81 (10)81 
State and local
10 (40)31 
Foreign
21 15 
Total deferred tax expense (benefit)112 (45)127 
Total income tax expense
Federal
395 310 348 
State and local
47 51 
Foreign
69 63 52 
Total income tax expense$511 $380 $451 
Summary of Reconciliation between Federal Income Tax Expense at Statutory Rates and Actual Income Tax Expense
A reconciliation of income tax expense at the federal statutory tax rate to income tax expense at the effective tax rate is as follows:

Year Ended December 31
202520242023
(In millions, except %)

AmountPercent
Amount
Percent
Amount
Percent
Income tax expense at federal statutory tax rate
$479 21.0 %$393 21.0 %$419 21.0 %
State and local income taxes, net of federal
   income tax effect (a)
38 1.7 %0.4 %42 2.1 %
Foreign tax effects
Canada
22 1.0 %32 1.7 %23 1.1 %
Other
9 0.4 %0.4 %0.4 %
Tax credits
Foreign tax credits
(25)(1.1)%(36)(1.9)%(26)(1.3)%
Other
(6)(0.3)%(7)(0.4)%(2)(0.1)%
Nontaxable or nondeductible items
Nontaxable investment income
(30)(1.3)%(26)(1.4)%(31)(1.6)%
Other
14 0.6 %13 0.7 %12 0.6 %
Other adjustments
10 0.4 %(3)(0.2)%0.4 %
Income tax expense
$511 22.4 %$380 20.3 %$451 22.6 %
(a)In 2025, state taxes in Florida, Illinois and Louisiana made up the majority of the tax effect in this category. In 2024, state taxes in Florida made up the majority of the tax effect in this category. In 2023, state taxes in Florida, Illinois, Louisiana and New York made up the majority of the tax effect in this category.
Summary of Deferred Tax Assets and Liabilities
The following table summarizes deferred tax assets and liabilities:
December 3120252024
(In millions)  
   
Deferred tax assets:  
Insurance reserves:  
Property and casualty claim and claim adjustment expense reserves$276 $234 
Unearned premium reserves227 225 
Deferred revenue84 85 
Employee benefits81 79 
Deferred retroactive reinsurance benefit99 89 
Net unrealized losses258 485 
Other assets179 188 
Total deferred tax assets1,204 1,385 
Valuation allowance(25)(19)
Net deferred tax assets1,179 1,366 
   
Deferred tax liabilities:  
Deferred acquisition costs(143)(140)
Policyholder reserves(25)(48)
Property, plant and equipment(1,056)(963)
Basis differential in investment in subsidiary(473)(481)
Investment valuation differences(218)(176)
Other liabilities(87)(69)
Total deferred tax liabilities(2,002)(1,877)
 
Net deferred tax liabilities (a)$(823)$(511)
(a) Includes deferred tax assets reflected in Other assets on the Consolidated Balance Sheets at December 31, 2025 and 2024
$16 $39 
v3.25.4
Debt (Tables)
12 Months Ended
Dec. 31, 2025
Debt Disclosure [Abstract]  
Summary of Debt
December 3120252024
(In millions)  
   
Loews Corporation (Parent Company):  
Senior:  
3.8% notes due 2026 (effective interest rate of 3.9%) (authorized, $500)
$500 $500 
3.2% notes due 2030 (effective interest rate of 3.3%) (authorized, $500)
500 500 
6.0% notes due 2035 (effective interest rate of 6.2%) (authorized, $300)
300 300 
4.1% notes due 2043 (effective interest rate of 4.3%) (authorized, $500)
500 500 
CNA Financial:
Senior:
4.5% notes due 2026 (effective interest rate of 4.5%) (authorized, $500)
500 
3.5% notes due 2027 (effective interest rate of 3.5%) (authorized, $500)
500 500 
3.9% notes due 2029 (effective interest rate of 3.9%) (authorized, $500)
500 500 
2.1% notes due 2030 (effective interest rate of 2.1%) (authorized, $500)
500 500 
5.5% notes due 2033 (effective interest rate of 5.7%) (authorized, $500)
500 500 
5.1% notes due 2034 (effective interest rate of 5.3%) (authorized, $500)
500 500 
5.2% notes due 2035 (effective interest rate of 5.2%) (authorized, $500)
500 
Boardwalk Pipelines:
Senior:
6.0% notes due 2026 (effective interest rate of 6.2%) (authorized, $550)
550 550 
4.5% notes due 2027 (effective interest rate of 4.6%) (authorized, $500)
500 500 
7.3% debentures due 2027 (effective interest rate of 8.1%) (authorized, $100)
100 100 
4.8% notes due 2029 (effective interest rate of 4.9%) (authorized, $500)
500 500 
3.4% notes due 2031 (effective interest rate of 3.5%) (authorized, $500)
500 500 
3.6% notes due 2032 (effective interest rate of 3.7%) (authorized, $500)
500 500 
5.6% notes due 2034 (effective interest rate of 5.8%) (authorized, $600)
600 600 
5.4% notes due 2036 (effective interest rate of 5.5%) (authorized, $550)
550 
Finance lease obligation3 
Loews Hotels & Co:
Senior debt, principally mortgages (effective interest rates approximate 5.9% and 6.7%)
1,009 1,011 
 9,612 9,065 
Less unamortized discount and issuance costs72 70 
Less intercompany eliminations51 51 
Debt$9,489 $8,944 
Summary of Long-term Debt
December 31, 2025PrincipalUnamortized Discount and Issuance CostsNetShort Term DebtLong Term Debt
(In millions)     
      
Loews Corporation$1,800 $14 $1,786 $500 $1,286 
CNA Financial3,000 29 2,971 2,971 
Boardwalk Pipelines3,803 21 3,782 550 3,232 
Loews Hotels & Co1,009 8 1,001 2 999 
Less intercompany eliminations51 51 51 
Total$9,561 $72 $9,489 $1,052 $8,437 
v3.25.4
Shareholders' Equity (Tables)
12 Months Ended
Dec. 31, 2025
Equity [Abstract]  
Summary of Changes in AOCI by Component
The tables below present the changes in AOCI by component for the years ended December 31, 2023, 2024 and 2025:

 Net Unrealized Gains (Losses) on Investments with an Allowance for Credit LossesNet Unrealized Gains (Losses) on Other InvestmentsCumulative
impact of
changes in
discount
rates used to
measure long
duration
contracts
Unrealized Gains (Losses) on Cash Flow Hedges Pension and Postretirement Benefits Foreign Currency Translation Total Accumulated Other Comprehensive Income (Loss)
(In millions)      
       
Balance, January 1, 2023
$(7)$(2,469)$(36)$14 $(622)$(200)$(3,320)
Other comprehensive income (loss) before reclassifications, after tax of $6, $(290), $85, $2, $(10) and $0
(24)1,072 (318)(5)41 60 826 
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $(5), $(14), $0, $0, $(18) and $0
19 53 63 135 
Other comprehensive income (loss)(5)1,125 (318)(5)104 60 961 
Amounts attributable to noncontrolling interests(93)26 (5)(5)(77)
Purchase of CNA shares(46)(1)(10)(4)(61)
Balance, December 31, 2023
$(12)$(1,483)$(329)$$(533)$(149)$(2,497)
Other comprehensive income (loss) before reclassifications, after tax of $9, $81, $(189), $(1), $(6) and $1
(34)(309)712 22 (102)289 
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $(9), $(13), $0, $0, $(86) and $0
33 47 318 398 
Other comprehensive income (loss)(1)(262)712 — 340 (102)687 
Amounts attributable to noncontrolling interests22 (59)(28)(57)
Other
(3)— 
Balance, December 31, 2024
$(13)$(1,720)$324 $$(224)$(243)$(1,867)
Other comprehensive income (loss) before reclassifications, after tax of $5, $(226), $43, $5, $(4) and $0
(22)841 (161)(7)13 144 808 
Reclassification of losses from accumulated other comprehensive loss, after tax of $(5), $(12), $0, $0, $1 and $0
20 46   1  67 
Other comprehensive income (loss)(2)887 (161)(7)14 144 875 
Amounts attributable to noncontrolling interests (73)13  (2)(12)(74)
Other (1)    (1)
Balance, December 31, 2025
$(15)$(907)$176 $2 $(212)$(111)$(1,067)
Summary of Amount Reclassification From AOCI
Amounts reclassified from AOCI shown above are reported in Net income (loss) as follows:

Major Category of AOCIAffected Line Item
  
Net unrealized gains (losses) on investments with an allowance for credit losses and Net unrealized gains (losses) on other investmentsInvestment gains (losses)
Unrealized gains (losses) on cash flow hedgesOperating revenues and other, Interest expense and Operating expenses and other
Pension and postretirement benefitsOperating expenses and other
v3.25.4
Revenue from Contracts with Customers (Tables)
12 Months Ended
Dec. 31, 2025
Revenue from Contract with Customer [Abstract]  
Summary of Disaggregation of Revenue The following table presents revenues from contracts with customers disaggregated by revenue type along with the reportable segment and a reconciliation to Operating revenues and other as reported in Note 19:
Year Ended December 31
202520242023
(In millions)   
    
Non-insurance warranty – CNA Financial$1,577 $1,609 $1,624 
 
Transportation and storage of natural gas and NGLs and ethane supply and transportation services – Boardwalk Pipelines$2,263 $1,987 $1,582 
Lodging and related services – Loews Hotels & Co911 906 778 
Total revenues from contracts with customers3,174 2,893 2,360 
Other revenues105 98 95 
Operating revenues and other$3,279 $2,991 $2,455 
v3.25.4
Statutory Accounting Practices (Tables)
12 Months Ended
Dec. 31, 2025
Statutory Accounting Practices [Abstract]  
Summary of Statutory Capital and Surplus and Statutory Net Income
Combined statutory capital and surplus and statutory net income for the Combined Continental Casualty Companies are presented in the table below, determined in accordance with accounting practices prescribed or permitted by insurance and/or other regulatory authorities.

Statutory Capital and SurplusStatutory Net Income
 December 31
Year Ended December 31
 
2025(a)
2024
2025(a)
2024(b)
2023
(In millions)     
      
Combined Continental Casualty Companies$11,578$11,165$1,258$713$1,172

(a)Information derived from the statutory-basis financial statements to be filed with insurance regulators.
(b)Includes a $293 million after-tax loss from pension settlement transactions. Pension settlement transactions are further discussed in Note 15.
v3.25.4
Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2025
Retirement Benefits [Abstract]  
Summary of Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost
Weighted average assumptions used to determine benefit obligations:

Pension BenefitsOther Postretirement Benefits
December 31202520242023202520242023
       
Discount rate5.1%5.4%5.0%5.3%5.5%5.1%
Interest crediting rate4.4%4.3%4.5%  
Rate of compensation increase
0.0% to 5.0%
0.0% to 4.5%
0.0% to 3.5%
   

Weighted average assumptions used to determine net periodic benefit cost:

Pension BenefitsOther Postretirement Benefits
Year Ended December 31
202520242023202520242023
       
Discount rate5.4%5.0%5.2%5.5%5.1%5.4%
Expected long-term rate of return on plan assets6.2%6.1%6.2%3.4%3.3%3.0%
Interest crediting rate4.3%4.5%3.5%   
Rate of compensation increase
0.0% to 4.5%
0.0% to 3.5%
0.0% to 3.8%
   
Summary of Assumed Health Care Cost Trend Rates
Assumed health care cost trend rates:

December 31202520242023
    
Health care cost trend rate assumed for next year
4.0% to 7.0%
4.0% to 8.0%
4.0% to 7.0%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)
4.0% to 5.3%
4.0% to 5.5%
4.0% to 5.5%
Year that the rate reaches the ultimate trend rate
2026-2033
2025-2029
2024-2028
Summary of Net Periodic (Benefit) Cost Components
Net periodic (benefit) cost components:

Pension Benefits
Other Postretirement Benefits
Year Ended December 31
202520242023202520242023
(In millions)      
       
Service cost$2 $$
Interest cost45 96 110 $2 $$
Expected return on plan assets(60)(119)(125)(3)(3)(3)
Amortization of unrecognized net loss7 29 35 1 
Amortization of unrecognized prior service benefit(2)
Settlements1 372 48 3 
Regulatory asset decrease1 
Net periodic (benefit) cost$(4)$380 $70 $1 $— $— 
Summary of Reconciliation of Benefit Obligations and Plan Assets
The following provides a reconciliation of benefit obligations and plan assets:

Pension Benefits
Other Postretirement Benefits
 2025202420252024
(In millions)    
     
Change in benefit obligation:    
     
Benefit obligation at January 1$857 $1,991 $31 $34 
Service cost2 
Interest cost45 96 2 
Plan participants’ contributions1 
Amendments8 
Actuarial (gain) loss18 (29)2 
Benefits paid from plan assets(58)(149)(7)(7)
Settlements(9)(1,052)
Foreign exchange5 (2)
Benefit obligation at December 31
$860 $857 $37 $31 
Change in plan assets:
Fair value of plan assets at January 1$1,004 $2,074 $83 $83 
Actual return on plan assets96 120 5 
Company contributions14 13 3 
Plan participants' contributions1 
Benefits paid from plan assets(58)(149)(7)(7)
Settlements(9)(1,052)
Foreign exchange6 (2)
Fair value of plan assets at December 31
$1,053 $1,004 $85 $83 
Funded status$193 $147 $48 $52 
Summary of Amounts Recognized in the Consolidated Balance Sheets
Pension Benefits
Other Postretirement Benefits
 2025202420252024
(In millions)    
     
Amounts recognized in the Consolidated Balance Sheets consist of:    
     
Other assets$332 $283 $56 $61 
Other liabilities(139)(136)(8)(9)
Net amount recognized$193 $147 $48 $52 
Amounts recognized in Accumulated other comprehensive income (loss), not yet recognized in net periodic (benefit) cost:
Prior service credit$1 $$9 
Net actuarial loss216 241 (2)$
Net amount recognized$217 $242 $7 $
Information for plans with projected and accumulated benefit obligations in excess of plan assets:
Projected benefit obligation$139 $136 
Accumulated benefit obligation139 136 $8 $
Fair value of plan assets — 
Summary of Estimated Future Minimum Benefit Payments
The table below presents the estimated future minimum benefit payments at December 31, 2025.

Expected future benefit paymentsPension BenefitsOther Postretirement Benefits
(In millions)  
   
2026$85 $
202780 
202876 
202973 
203071 
2031 – 2035310 11 
Summary of Plan Assets Measured at Fair Value on Recurring Basis
Pension plan assets measured at fair value on a recurring basis are summarized below.

December 31, 2025Level 1Level 2Level 3Total
(In millions)    
    
Plan assets at fair value:    
Fixed maturity securities:    
Corporate and other bonds$473 $4 $477 
States, municipalities and political subdivisions11 11 
Asset-backed103 8 111 
Total fixed maturities$ 587 12 599 
Equity securities35 36 71 
Short-term investments56 56 
Fixed income mutual funds31 31 
Other assets3 3 
Total plan assets at fair value$122 $626 $12 $760 
Plan assets at net asset value: (a)
Limited partnerships293 
Total plan assets$122 $626 $12 $1,053 
December 31, 2024Level 1Level 2Level 3Total
(In millions)    
     
Plan assets at fair value:    
Fixed maturity securities:    
Corporate and other bonds$408 $$413 
States, municipalities and political subdivisions
Asset-backed113 121 
Total fixed maturities— 527 13 540 
Equity securities44 15 59 
Short-term investments59 59 
Fixed income mutual funds40 40 
Other assets
Total plan assets at fair value$143 $544 $13 $700 
Plan assets at net asset value: (a)
Limited partnerships304 
Total plan assets$143 $544 $13 $1,004 

(a)Certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in this table for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.
Other postretirement benefits plan assets measured at fair value on a recurring basis are summarized below.

December 31, 2025Level 1Level 2Level 3Total
(In millions)   
    
Fixed maturity securities:   
Corporate and other bonds$45 $45 
States, municipalities and political subdivisions32 32 
Asset-backed1 1 
Total fixed maturities$ 78 $ 78 
Short-term investments6 6 
Fixed income mutual funds2 2 
Total assets$8 $78 $ $86 
Other liabilities$1 $1 
December 31, 2024Level 1Level 2Level 3Total
(In millions)   
Fixed maturity securities:   
Corporate and other bonds$48 $48 
States, municipalities and political subdivisions35 35 
Asset-backed
Total fixed maturities$— 84 $— 84 
Short-term investments
Fixed income mutual funds15 15 
Total$17 $84 $— $101 
Other liabilities$18 $18 
v3.25.4
Reinsurance (Tables)
12 Months Ended
Dec. 31, 2025
Reinsurance Disclosures [Abstract]  
Summary of Receivables from Reinsurers
The following table presents the amounts receivable from reinsurers:

December 3120252024
(In millions)  
   
Reinsurance receivables related to insurance reserves:  
Ceded claim and claim adjustment expenses$5,982 $5,713 
Reinsurance receivables related to paid losses426 359 
Reinsurance receivables6,408 6,072 
Less allowance for doubtful accounts27 21 
Reinsurance receivables, net of allowance for doubtful accounts$6,381 $6,051 
Summary of Voluntary Reinsurance Receivables by Financial Strength Rating
CNA has established an allowance for doubtful accounts on voluntary reinsurance receivables which relates to both amounts already billed on ceded paid losses as well as ceded reserves that will be billed when losses are paid in the future. The following table summarizes the outstanding amount of voluntary reinsurance receivables, gross of any collateral arrangements, by financial strength rating:

As of December 31, 2025
 
(In millions) 
  
A- to A++$4,864 
B- to B++967 
Insolvent9 
Total voluntary reinsurance outstanding balance (a)
$5,840 

(a)
Expected credit losses for legacy A&EP receivables are ceded to NICO and the reinsurance limit on the LPT has not been exhausted, therefore no allowance is recorded for these receivables and they are excluded from the table above. See Note 7 for more information on the LPT. Also excluded are receivables from involuntary pools.
Summary of Effects of Reinsurance on Earned Premiums
The effects of reinsurance on earned premiums are presented in the following table:

    Assumed/
 DirectAssumedCededNetNet %
(In millions)    
     
Year Ended December 31, 2025
    
     
Property and casualty$14,974 $253 $4,750 $10,477 2.4 %
Long-term care383 40 423 9.5 
Earned premiums$15,357 $293 $4,750 $10,900 2.7 %
 
Year Ended December 31, 2024
 
Property and casualty$14,629 $252 $5,107 $9,774 2.6 %
Long-term care396 41 437 9.4 
Earned premiums$15,025 $293 $5,107 $10,211 2.9 %
 
Year Ended December 31, 2023
 
Property and casualty$13,908 $223 $5,102 $9,029 2.5 %
Long-term care407 44 451 9.8 
Earned premiums$14,315 $267 $5,102 $9,480 2.8 %
v3.25.4
Segments (Tables)
12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Summary of Segment Reporting Information, by Segment
Statements of Operations and Total assets by segment are presented in the following tables.

Year Ended December 31, 2025
CNA Financial
Boardwalk Pipelines
Loews
Hotels & Co
Corporate
Total
(In millions)     
      
Revenues:     
      
Insurance premiums$10,900 $10,900 
Net investment income2,557 $14 $12 $196 2,779 
Investment losses(81) (81)
Non-insurance warranty revenue1,577 1,577 
Operating revenues and other36 2,310 933  3,279 
Total14,989 2,324 945 196 18,454 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)8,294 8,294 
Amortization of deferred acquisition costs1,898 1,898 
Non-insurance warranty expense1,526 1,526 
Operating expenses and other (b)1,516 1,579 926 69 4,090 
Equity method (income) loss  (102)28 (74)
Interest135 161 69 72 437 
Total13,369 1,740 893 169 16,171 
Income before income tax1,620 584 52 27 2,283 
Income tax expense(342)(140)(21)(8)(511)
Net income1,278 444 31 19 1,772 
Amounts attributable to noncontrolling interests(105)(105)
Net income attributable to Loews Corporation$1,173 $444 $31 $19 $1,667 
December 31, 2025
 
Total assets$69,381 $10,586 $2,487 $3,894 $86,348 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $240 million and unfavorable development of $185 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2025
CNA FinancialBoardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,349 $1,349 
Operating expenses$800 $589 1,389 
Depreciation and amortization443 100 $2 545 
Other (c)167 336 237 67 807 
Operating expenses and other$1,516 $1,579 $926 $69 $4,090 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses
Year Ended December 31, 2024
CNA
Financial
Boardwalk Pipelines Loews Hotels & Co CorporateTotal
(In millions)     
      
Revenues:     
      
Insurance premiums$10,211 $10,211 
Net investment income2,497 $32 $$242 2,780 
Investment losses(81)(81)
Non-insurance warranty revenue1,609 1,609 
Operating revenues and other34 2,033 924  2,991 
Total14,270 2,065 933 242 17,510 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)7,738 7,738 
Amortization of deferred acquisition costs1,798 1,798 
Non-insurance warranty expense1,547 1,547 
Operating expenses and other (b)1,843 1,377 873 77 4,170 
Equity method (income) loss  (86)28 (58)
Interest133 183 51 74 441 
Total13,059 1,560 838 179 15,636 
Income before income tax1,211 505 95 63 1,874 
Income tax expense(252)(92)(25)(11)(380)
Net income959 413 70 52 1,494 
Amounts attributable to noncontrolling interests(80)(80)
Net income attributable to Loews Corporation$879 $413 $70 $52 $1,414 
December 31, 2024
 
Total assets$66,434 $9,853 $2,498 $3,158 $81,943 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $358 million and unfavorable development of $48 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2024
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,275 $1,275 
Operating expenses$633 $580 1,213 
Depreciation and amortization429 93 $524 
Other (c)568 315 200 75 1,158 
Operating expenses and other$1,843 $1,377 $873 $77 $4,170 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses. For 2024, this also includes a pension settlement charge of $367 million; see Note 15 for more information.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses.
Year Ended December 31, 2023
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
(In millions)     
      
Revenues:     
      
Insurance premiums$9,480 $9,480 
Net investment income2,264 $11 $$114 2,395 
Investment gains (losses)(99)46 (53)
Non-insurance warranty revenue1,624 1,624 
Operating revenues and other30 1,625 800 2,455 
Total13,299 1,636 852 114 15,901 
 
Expenses:
 
Insurance claims and policyholders’ benefits (a)7,068 7,068 
Amortization of deferred acquisition costs1,644 1,644 
Non-insurance warranty expense1,544 1,544 
Operating expenses and other (b)1,398 1,108 767 120 3,393 
Equity method (income) loss(129)(120)
Interest127 155 14 80 376 
Total11,781 1,263 652 209 13,905 
Income (loss) before income tax1,518 373 200 (95)1,996 
Income tax (expense) benefit(313)(90)(53)(451)
Net income (loss)1,205 283 147 (90)1,545 
Amounts attributable to noncontrolling interests(111)(111)
Net income (loss) attributable to Loews Corporation$1,094 $283 $147 $(90)$1,434 

(a)
Significant segment expenses within Insurance claims and policyholders' benefits include catastrophe losses of $236 million and unfavorable development of $48 million. Development does not include the effects of interest accretion and change in allowance for uncollectible reinsurance and deductible amounts.
(b)Significant segment expenses included in Operating expenses and other:
Year Ended December 31, 2023
CNA
Financial
Boardwalk PipelinesLoews Hotels & CoCorporateTotal
      
Insurance related administrative expenses$1,251 $1,251 
Operating expenses$395 $485 880 
Depreciation and amortization412 69 $482 
Other (c)147 301 213 119 780 
Operating expenses and other$1,398 $1,108 $767 $120 $3,393 

(c)Other expenses for each reportable segment include:
CNA Financial: reflects expenses not directly related to insurance operations, which includes certain expenses related to non-insurance warranty business and claims services offerings, as well as foreign currency transaction gains and losses.
Boardwalk Pipelines: general and administrative expenses
Loews Hotels & Co: general and administrative, reimbursable and asset impairment expenses
Corporate: general and administrative expenses. For 2023, this also includes a pension settlement charge of $47 million; see Note 15 for additional information.
v3.25.4
Summary of Significant Accounting Policies - Basis of Presentation (Details)
Dec. 31, 2025
CNA  
Basis of Presentation [Abstract]  
Subsidiary ownership percentage 92.00%
v3.25.4
Summary of Significant Accounting Policies - Credit Losses (Details)
12 Months Ended
Dec. 31, 2025
Debt Securities, Available-for-sale, Allowance for Credit Loss [Abstract]  
Period of time after interest becomes delinquent that asset is placed on nonaccrual status 90 days
v3.25.4
Summary of Significant Accounting Policies - Equity Method Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Joint Venture Investments [Abstract]      
Equity method income $ 74 $ 58 $ 120
Other Assets      
Joint Venture Investments [Abstract]      
Investment in joint ventures $ 878 $ 937  
v3.25.4
Summary of Significant Accounting Policies - Securities Lending Activities (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Own-share Lending Arrangement [Abstract]    
Initial collateral deposit as a percentage of the fair value of the securities loaned 100.00%  
Securities held as collateral, at fair value $ 0 $ 0
v3.25.4
Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenue Recognition [Abstract]    
Allowance for doubtful accounts for insurance receivables $ 25 $ 26
Minimum    
Revenue Recognition [Abstract]    
Coverages to vehicle or consumer goods owners 1 month  
Service contract term 1 year  
Maximum    
Revenue Recognition [Abstract]    
Coverages to vehicle or consumer goods owners 10 years  
Service contract term 20 years  
v3.25.4
Summary of Significant Accounting Policies - Claim and Claim Adjustment Expense Reserves (Details) - CNA - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Insurance reserves:      
Anticipated amounts due from insureds related to losses under deductible policies $ 1,600 $ 1,300  
Interest rate used in determining present value of obligations of structured settlements unfunded by annuities 6.50% 6.60%  
Discounted reserves for unfunded structured settlements $ 432 $ 444  
Discounted reserves for unfunded structured settlements, discount amount 505 535  
Interest recognized on discounted reserves for unfunded structured settlements $ 32 $ 33 $ 34
Interest rate used to discount workers' compensation lifetime claim reserves 3.50% 3.50%  
Discounted reserves for workers' compensation lifetime claim reserves $ 167 $ 179  
Interest recognized on discounted reserves for workers' compensation lifetime claim reserves 6 6 $ 9
Workers’ compensation      
Insurance reserves:      
Discounted reserves for workers' compensation lifetime claims reserves, discount amount $ 78 $ 80  
v3.25.4
Summary of Significant Accounting Policies - Insurance-related Assessments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Insurance-related Assessments [Abstract]    
Liability balance for guaranty fund $ 89 $ 86
v3.25.4
Summary of Significant Accounting Policies - Reinsurance (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Reinsurance Disclosures [Abstract]    
Allowance for doubtful accounts $ 27 $ 21
Billed receivables percentage of total reinsurance receivables 8.00%  
v3.25.4
Summary of Significant Accounting Policies - Policyholder Dividends (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Policyholder Account Balance [Abstract]      
Percentage of net written premium 2.00% 2.00% 2.00%
v3.25.4
Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)
Dec. 31, 2025
Pipeline Equipment | Minimum  
Property, Plant and Equipment [Abstract]  
Principal service lives 30 years
Pipeline Equipment | Maximum  
Property, Plant and Equipment [Abstract]  
Principal service lives 50 years
Hotel Properties and Other | Minimum  
Property, Plant and Equipment [Abstract]  
Principal service lives 3 years
Hotel Properties and Other | Maximum  
Property, Plant and Equipment [Abstract]  
Principal service lives 40 years
v3.25.4
Summary of Significant Accounting Policies - Stock-based Compensation (Details)
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]  
Share-based payment awards requisite service period 3 years
v3.25.4
Summary of Significant Accounting Policies - Net Income per Share (Details) - shares
shares in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Potential shares attributable to exercises included in diluted EPS calculation (in shares) 0.1 0.3 0.3
Share-Based Payment Arrangement      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Shares excluded from diluted EPS calculation (in shares) 1.2 0.0 0.0
v3.25.4
Summary of Significant Accounting Policies - Foreign Currency (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Foreign Currency [Abstract]      
Foreign currency transaction gain (loss) $ 10 $ (7) $ 8
v3.25.4
Summary of Significant Accounting Policies - Supplementary Cash Flow Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Supplemental Cash Flow Information [Abstract]      
Cash payments made for interest on long term debt, net of capitalized interest $ 421 $ 422 $ 385
Accrued capital expenditures $ 25 $ 37 $ 9
v3.25.4
Summary of Significant Accounting Policies - Income Tax Paid (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]      
Federal $ 298 $ 287 $ 263
State and local 35 33 37
Total 381 403 304
Canada      
Effective Income Tax Rate Reconciliation [Line Items]      
Foreign 18 57 (5)
Other      
Effective Income Tax Rate Reconciliation [Line Items]      
Foreign $ 30 $ 26 $ 9
v3.25.4
Summary of Significant Accounting Policies - Accounting Changes (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Jan. 01, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Recently issued ASUs          
Equity $ 19,641   $ 17,937 $ 16,525 $ 15,201
Retained Earnings          
Recently issued ASUs          
Equity $ 17,377   16,459 $ 15,617 $ 14,931
Cumulative Effect, Period of Adoption, Adjustment          
Recently issued ASUs          
Equity     5    
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings          
Recently issued ASUs          
Equity   $ 5 $ 5    
v3.25.4
Acquisitions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Subsidiary, Sale of Stock [Line Items]      
Investment losses $ (81) $ (81) $ (53)
Assets 86,348 81,943  
Liabilities $ 66,707 $ 64,006  
Loews Hotels And Co      
Subsidiary, Sale of Stock [Line Items]      
Payments to acquire an additional equity interest in joint venture property     46
Loews Hotels And Co | Joint venture      
Subsidiary, Sale of Stock [Line Items]      
Investment losses     46
Gain on investments, net of tax     36
Assets     232
Liabilities     $ 120
v3.25.4
Investments - Net Investment Income (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Investment
Dec. 31, 2024
USD ($)
Investment
Dec. 31, 2023
USD ($)
Net Investment Income [Line Items]      
Investment income, operating $ 2,881 $ 2,877 $ 2,489
Investment expenses (102) (97) (94)
Net investment income 2,779 2,780 2,395
Net investment income recognized due to the change in fair value of equity and trading portfolio securities held $ 63 $ 93 38
Number of investments in single issuer exceeding 10% | Investment 0 0  
Fixed maturity securities      
Net Investment Income [Line Items]      
Investment income, operating $ 2,140 $ 2,050 1,941
Limited partnership investments      
Net Investment Income [Line Items]      
Gain (losses) on investments, before investment expenses 278 271 177
Short-term investments      
Net Investment Income [Line Items]      
Investment income, operating 76 90 78
Equity securities      
Net Investment Income [Line Items]      
Investment income, operating 60 82 63
Income from trading portfolio      
Net Investment Income [Line Items]      
Investment income, operating 209 255 125
Other      
Net Investment Income [Line Items]      
Investment income, operating $ 118 $ 129 $ 105
v3.25.4
Investments - Investment Gains (Losses) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Investment Gains (Losses) [Abstract]      
Investment losses $ (81) $ (81) $ (53)
Nonredeemable Preferred Stock      
Investment Gains (Losses) [Abstract]      
Investment losses 7 19 14
Fixed maturity securities      
Investment Gains (Losses) [Abstract]      
Gross gains 42 48 75
Gross losses (125) (150) (166)
Investment losses (83) (102) (91)
Equity securities      
Investment Gains (Losses) [Abstract]      
Investment losses 7 21 4
Derivative instruments      
Investment Gains (Losses) [Abstract]      
Investment losses (1)
Short-term investments and other      
Investment Gains (Losses) [Abstract]      
Investment losses (5) (11)
Gain on acquisition of a joint venture      
Investment Gains (Losses) [Abstract]      
Investment losses $ 46
v3.25.4
Investments - Available-for-sale Impairment Losses Recognized in Earnings (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Available-For-Sale Impairment Losses [Abstract]      
Impairment losses recognized in earnings $ 33 $ 63 $ 44
Change in unrealized gains on fixed maturity securities 1,100 (352) 1,400
Mortgage Loans      
Available-For-Sale Impairment Losses [Abstract]      
Losses on mortgage loans due to changes in expected credit losses 5 0 11
Corporate bonds and other      
Available-For-Sale Impairment Losses [Abstract]      
Impairment losses recognized in earnings 25 34 33
Asset-backed      
Available-For-Sale Impairment Losses [Abstract]      
Impairment losses recognized in earnings $ 8 $ 29 $ 11
v3.25.4
Investments - Amortized Cost and Fair Values of Fixed Maturity Securities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost $ 45,250 $ 44,196
Gross Unrealized Gains 1,089 715
Gross Unrealized Losses 2,286 3,039
Allowance for Credit Losses 69 45
Estimated Fair Value 43,984 41,827
Corporate bonds and other    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 25,484 25,839
Gross Unrealized Gains 682 423
Gross Unrealized Losses 881 1,305
Allowance for Credit Losses 28 13
Estimated Fair Value 25,257 24,944
States, municipalities and political subdivisions    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 8,870 7,396
Gross Unrealized Gains 303 243
Gross Unrealized Losses 742 835
Allowance for Credit Losses
Estimated Fair Value 8,431 6,804
Residential mortgage-backed    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 4,011 3,725
Gross Unrealized Gains 50 7
Gross Unrealized Losses 366 488
Allowance for Credit Losses
Estimated Fair Value 3,695 3,244
Commercial mortgage-backed    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 1,515 1,779
Gross Unrealized Gains 18 11
Gross Unrealized Losses 80 141
Allowance for Credit Losses 21 18
Estimated Fair Value 1,432 1,631
Other asset-backed    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 3,729 3,770
Gross Unrealized Gains 28 24
Gross Unrealized Losses 194 239
Allowance for Credit Losses 20 14
Estimated Fair Value 3,543 3,541
Asset-backed    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 9,255 9,274
Gross Unrealized Gains 96 42
Gross Unrealized Losses 640 868
Allowance for Credit Losses 41 32
Estimated Fair Value 8,670 8,416
U.S. Treasury and obligations of government-sponsored enterprises    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 236 220
Gross Unrealized Gains 1 1
Gross Unrealized Losses 3 1
Allowance for Credit Losses
Estimated Fair Value 234 220
Foreign government    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 764 701
Gross Unrealized Gains 7 6
Gross Unrealized Losses 20 30
Allowance for Credit Losses
Estimated Fair Value 751 677
Redeemable preferred stock    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 8  
Gross Unrealized Gains  
Gross Unrealized Losses  
Allowance for Credit Losses  
Estimated Fair Value 8  
Fixed maturities available-for-sale    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 44,617 43,430
Gross Unrealized Gains 1,089 715
Gross Unrealized Losses 2,286 3,039
Allowance for Credit Losses 69 45
Estimated Fair Value 43,351 41,061
Fixed maturities trading    
Amortized Cost and Fair Values of Fixed Maturity Securities [Abstract]    
Cost or Amortized Cost 633 766
Gross Unrealized Gains
Gross Unrealized Losses
Allowance for Credit Losses
Estimated Fair Value $ 633 $ 766
v3.25.4
Investments - Available-for-sale Securities in Gross Unrealized Loss Position (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Total, Estimated Fair Value $ 20,644 $ 27,288
Total, Gross Unrealized Losses 2,286 3,039
Total fixed maturities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 3,998 8,969
Less than 12 Months, Gross Unrealized Losses 79 266
12 Months or Longer, Estimated Fair Value 16,646 18,319
12 Months or Longer, Gross Unrealized Losses 2,207 2,773
Total, Estimated Fair Value 20,644 27,288
Total, Gross Unrealized Losses 2,286 3,039
Corporate bonds and other    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 2,776 5,846
Less than 12 Months, Gross Unrealized Losses 56 165
12 Months or Longer, Estimated Fair Value 8,576 10,388
12 Months or Longer, Gross Unrealized Losses 825 1,140
Total, Estimated Fair Value 11,352 16,234
Total, Gross Unrealized Losses 881 1,305
States, municipalities and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 403 1,247
Less than 12 Months, Gross Unrealized Losses 8 52
12 Months or Longer, Estimated Fair Value 3,471 2,967
12 Months or Longer, Gross Unrealized Losses 734 783
Total, Estimated Fair Value 3,874 4,214
Total, Gross Unrealized Losses 742 835
Residential mortgage-backed    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 154 849
Less than 12 Months, Gross Unrealized Losses 1 22
12 Months or Longer, Estimated Fair Value 2,002 2,010
12 Months or Longer, Gross Unrealized Losses 365 466
Total, Estimated Fair Value 2,156 2,859
Total, Gross Unrealized Losses 366 488
Commercial mortgage-backed    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 36 180
Less than 12 Months, Gross Unrealized Losses 2 2
12 Months or Longer, Estimated Fair Value 887 988
12 Months or Longer, Gross Unrealized Losses 78 139
Total, Estimated Fair Value 923 1,168
Total, Gross Unrealized Losses 80 141
Other asset-backed    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 420 680
Less than 12 Months, Gross Unrealized Losses 9 21
12 Months or Longer, Estimated Fair Value 1,432 1,557
12 Months or Longer, Gross Unrealized Losses 185 218
Total, Estimated Fair Value 1,852 2,237
Total, Gross Unrealized Losses 194 239
Total asset-backed    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 610 1,709
Less than 12 Months, Gross Unrealized Losses 12 45
12 Months or Longer, Estimated Fair Value 4,321 4,555
12 Months or Longer, Gross Unrealized Losses 628 823
Total, Estimated Fair Value 4,931 6,264
Total, Gross Unrealized Losses 640 868
U.S. Treasury and obligations of government-sponsored enterprises    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 78 49
Less than 12 Months, Gross Unrealized Losses 2 1
12 Months or Longer, Estimated Fair Value 18 41
12 Months or Longer, Gross Unrealized Losses 1
Total, Estimated Fair Value 96 90
Total, Gross Unrealized Losses 3 1
Foreign government    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Estimated Fair Value 131 118
Less than 12 Months, Gross Unrealized Losses 1 3
12 Months or Longer, Estimated Fair Value 260 368
12 Months or Longer, Gross Unrealized Losses 19 27
Total, Estimated Fair Value 391 486
Total, Gross Unrealized Losses $ 20 $ 30
v3.25.4
Investments - Schedule of Unrealized Loss (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value $ 20,644 $ 27,288
Gross Unrealized Losses 2,286 3,039
Additional impairment losses 0  
AAA    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 1,376 1,800
Gross Unrealized Losses 243 282
AA    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 3,827 4,247
Gross Unrealized Losses 623 730
A    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 5,025 6,330
Gross Unrealized Losses 440 582
BBB    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 7,758 11,548
Gross Unrealized Losses 639 980
U.S. Government, Government agencies and Government-sponsored enterprises    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 1,980 2,567
Gross Unrealized Losses 267 373
Non-investment grade    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 678 796
Gross Unrealized Losses $ 74 $ 92
v3.25.4
Investments - Allowance for Credit Losses (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Debt Securities, Available For Sale, Accrued Interest After Allowance For Credit Loss, Statement Of Financial Position Extensible List Not Disclosed Flag true  
Accrued interest receivables on available-for-sale fixed maturity securities $ 470 $ 442
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 45 16
Securities for which credit losses were not previously recorded 6 27
Available-for-sale securities accounted for as PCD assets 4 4
Securities disposed during the period (realized) 6 4
Intent to sell or more likely than not will be required to sell the security before recovery of its amortized cost basis   1
Write-offs charged against the allowance   9
Additional increases to the allowance for credit losses on securities that had an allowance recorded in a previous period 20 12
Ending balance 69 45
Corporate bonds and other    
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 13 4
Securities for which credit losses were not previously recorded 3 9
Available-for-sale securities accounted for as PCD assets 4 4
Securities disposed during the period (realized) 6 3
Intent to sell or more likely than not will be required to sell the security before recovery of its amortized cost basis   1
Write-offs charged against the allowance  
Additional increases to the allowance for credit losses on securities that had an allowance recorded in a previous period 14
Ending balance 28 13
Asset-backed    
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 32 12
Securities for which credit losses were not previously recorded 3 18
Available-for-sale securities accounted for as PCD assets
Securities disposed during the period (realized) 1
Intent to sell or more likely than not will be required to sell the security before recovery of its amortized cost basis  
Write-offs charged against the allowance   9
Additional increases to the allowance for credit losses on securities that had an allowance recorded in a previous period 6 12
Ending balance $ 41 $ 32
v3.25.4
Investments - Available-for-sale Fixed Maturity Securities by Contractual Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Cost or Amortized Cost    
Cost or Amortized Cost $ 45,250 $ 44,196
Estimated Fair Value    
Estimated Fair Value 43,984 41,827
Available-for-sale Fixed Maturities    
Cost or Amortized Cost    
Due in one year or less 1,392 1,761
Due after one year through five years 11,318 11,678
Due after five years through ten years 13,440 13,083
Due after ten years 18,467 16,908
Cost or Amortized Cost 44,617 43,430
Estimated Fair Value    
Due in one year or less 1,389 1,753
Due after one year through five years 11,214 11,403
Due after five years through ten years 13,187 12,365
Due after ten years 17,561 15,540
Estimated Fair Value $ 43,351 $ 41,061
v3.25.4
Investments - Limited Partnerships (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Position
Dec. 31, 2024
USD ($)
Position
Dec. 31, 2023
Limited Partners' Capital Account, Value [Abstract]      
Limited partnership investments $ 2,861 $ 2,520  
Net undistributed earnings of limited partnerships $ 381 $ 334  
Percentage of carrying value of investments in limited partnerships reported on current basis 11.00%    
Percentage of carrying value of investments in limited partnerships reported on one month lag 2.00%    
Threshold for number of largest limited partnership positions held | Position 10 10  
Carrying value of limited partnerships as a percentage of aggregate partnership equity 1.00% 1.00%  
Income from limited partnerships as a percentage of changes in aggregate partnership equity 1.00% 1.00% 1.00%
Advance written notice period for hedge fund withdrawals 90 days    
Minimum      
Limited Partners' Capital Account, Value [Abstract]      
Liquidity period under hedge fund withdrawal provisions 30 days    
Maximum      
Limited Partners' Capital Account, Value [Abstract]      
Liquidity period under hedge fund withdrawal provisions 1 year    
Private Debt and Equity      
Limited Partners' Capital Account, Value [Abstract]      
Percentage of carrying value of investments in limited partnerships 88.00% 86.00%  
Hedge Funds      
Limited Partners' Capital Account, Value [Abstract]      
Percentage of carrying value of investments in limited partnerships 12.00% 14.00%  
Ten Largest Limited Partnership Holdings      
Limited Partners' Capital Account, Value [Abstract]      
Limited partnership investments $ 698 $ 648  
v3.25.4
Investments - Amortized Cost Basis of Mortgage Loans for Each Credit Quality Indicator by Year of Origination (Details) - Commercial mortgage-backed
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Credit Quality Information [Abstract]  
2025 $ 226
2024 101
2023 134
2022 176
2021 66
Prior 391
Total 1,094
Writeoffs [Abstract]  
2025
2024
2023
2022 (2)
2021
Prior (23)
Total (25)
DSCR Greater than or Equal to 1.6x, LTV Less than 55%  
Credit Quality Information [Abstract]  
2025 38
2024
2023 33
2022
2021 5
Prior 215
Total 291
DSCR Greater than or Equal to 1.6x, LTV 55% to 65%  
Credit Quality Information [Abstract]  
2025 37
2024
2023 12
2022 14
2021 6
Prior 12
Total 81
DSCR Greater than or Equal to 1.6x, LTV Greater than 65%  
Credit Quality Information [Abstract]  
2025
2024
2023
2022 12
2021 13
Prior
Total 25
DSCR Between 1.2 to 1.6x, LTV Less than 55%  
Credit Quality Information [Abstract]  
2025
2024 68
2023 28
2022 5
2021 2
Prior 75
Total 178
DSCR Between 1.2 to 1.6x, LTV 55% to 65%  
Credit Quality Information [Abstract]  
2025 107
2024 33
2023 38
2022 21
2021 19
Prior 28
Total 246
DSCR Between 1.2 to 1.6x, LTV Greater than 65%  
Credit Quality Information [Abstract]  
2025 7
2024
2023
2022 46
2021
Prior
Total 53
DSCR Less than or Equal to 1.2x, LTV Less than 55%  
Credit Quality Information [Abstract]  
2025
2024
2023 6
2022
2021
Prior 21
Total 27
DSCR Three, LTV 55 to 65%  
Credit Quality Information [Abstract]  
2025 37
2024
2023 17
2022 38
2021
Prior 15
Total 107
DSCR Less than or Equal to 1.2x, LTV Greater than 65%  
Credit Quality Information [Abstract]  
2025
2024
2023
2022 40
2021 21
Prior 25
Total $ 86
v3.25.4
Investments - Aggregate Contractual or Notional Amounts and Estimated Fair Values Related to Derivative Financial Instruments (Details) - Without hedge designation - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Futures | Options - purchased    
Gross Estimated Fair Values of Derivative Positions [Abstract]    
Contractual/Notional Amount $ 98 $ 268
Estimated Fair Value, Asset 1 2
Estimated Fair Value, Liability
Futures | Futures - short    
Gross Estimated Fair Values of Derivative Positions [Abstract]    
Contractual/Notional Amount 249 167
Estimated Fair Value, Asset 2 1
Estimated Fair Value, Liability
Warrants    
Gross Estimated Fair Values of Derivative Positions [Abstract]    
Contractual/Notional Amount 1 1
Estimated Fair Value, Asset 2 1
Estimated Fair Value, Liability
Interest rate swaps    
Gross Estimated Fair Values of Derivative Positions [Abstract]    
Contractual/Notional Amount 473 300
Estimated Fair Value, Asset 4
Estimated Fair Value, Liability
Credit default swap index - purchased    
Gross Estimated Fair Values of Derivative Positions [Abstract]    
Contractual/Notional Amount 2,000
Estimated Fair Value, Asset
Estimated Fair Value, Liability
v3.25.4
Investments - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivative [Line Items]      
Net investment income $ 2,779 $ 2,780 $ 2,395
Without hedge designation | Credit default swap index - purchased      
Derivative [Line Items]      
Notional amount 2,000  
Derivative liability   1  
Net investment income $ 19 $ 1  
v3.25.4
Investments - Investment Commitments (Details) - Investments in Assets Requiring Future Purchase, Sale or Funding Commitments
$ in Millions
Dec. 31, 2025
USD ($)
Investment Commitments [Abstract]  
Commitments to purchase or fund investments $ 1,800
Commitments to sell investments $ 45
v3.25.4
Investments - Investments on Deposit (Details) - USD ($)
$ in Billions
Dec. 31, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Securities deposited by insurance subsidiaries under requirements of regulatory authorities and others $ 3.4 $ 3.1
Cash and securities deposited with financial institutions in trust accounts or as collateral for letters of credit to secure obligations $ 0.6 $ 0.7
v3.25.4
Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value $ 43,984 $ 41,827
Corporate bonds and other    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 25,257 24,944
States, municipalities and political subdivisions    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 8,431 6,804
Asset-backed    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 8,670 8,416
Fair Value, Recurring    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 43,351 41,061
Fixed maturities trading 633 766
Total fixed maturities 43,984 41,827
Equity securities 1,292 1,064
Short-term and other 5,871 4,453
Receivables   5
Payable to brokers (43) (88)
Fair Value, Recurring | Corporate bonds and other    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 26,250 25,841
Fair Value, Recurring | States, municipalities and political subdivisions    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 8,431 6,804
Fair Value, Recurring | Asset-backed    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 8,670 8,416
Fair Value, Recurring | Level 1    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 238 223
Fixed maturities trading 603 766
Total fixed maturities 841 989
Equity securities 762 603
Short-term and other 5,820 4,383
Receivables  
Payable to brokers (43) (88)
Fair Value, Recurring | Level 1 | Corporate bonds and other    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 238 223
Fair Value, Recurring | Level 1 | States, municipalities and political subdivisions    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value
Fair Value, Recurring | Level 1 | Asset-backed    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value
Fair Value, Recurring | Level 2    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 40,587 38,642
Fixed maturities trading 30
Total fixed maturities 40,617 38,642
Equity securities 497 441
Short-term and other 51 70
Receivables   5
Payable to brokers
Fair Value, Recurring | Level 2 | Corporate bonds and other    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 24,529 24,340
Fair Value, Recurring | Level 2 | States, municipalities and political subdivisions    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 8,386 6,762
Fair Value, Recurring | Level 2 | Asset-backed    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 7,672 7,540
Fair Value, Recurring | Level 3    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 2,526 2,196
Fixed maturities trading
Total fixed maturities 2,526 2,196
Equity securities 33 20
Short-term and other
Receivables  
Payable to brokers
Fair Value, Recurring | Level 3 | Corporate bonds and other    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 1,483 1,278
Fair Value, Recurring | Level 3 | States, municipalities and political subdivisions    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value 45 42
Fair Value, Recurring | Level 3 | Asset-backed    
Assets and Liabilities Measured at Fair Value [Abstract]    
Estimated Fair Value $ 998 $ 876
v3.25.4
Fair Value - Reconciliations of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Corporate bonds and other    
Reconciliations for All Assets and Liabilities [Roll Forward]    
Balance at beginning of period $ 1,278 $ 1,045
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in Net Income (6) (1)
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in OCI 57 (15)
Purchases 197 352
Sales (10)
Settlements (101) (104)
Transfers into Level 3 58 11
Transfers out of Level 3
Balance at end of period 1,483 1,278
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31 (1)
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31 57 (21)
States, municipalities and political subdivisions    
Reconciliations for All Assets and Liabilities [Roll Forward]    
Balance at beginning of period 42 44
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in Net Income
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in OCI 3 (2)
Purchases
Sales
Settlements
Transfers into Level 3
Transfers out of Level 3
Balance at end of period 45 42
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31 3 (2)
Asset-backed    
Reconciliations for All Assets and Liabilities [Roll Forward]    
Balance at beginning of period 876 901
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in Net Income 17 9
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in OCI (3) (12)
Purchases 213 125
Sales (14)
Settlements (105) (83)
Transfers into Level 3
Transfers out of Level 3 (50)
Balance at end of period 998 876
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31 (1) (12)
Fixed maturities available-for-sale    
Reconciliations for All Assets and Liabilities [Roll Forward]    
Balance at beginning of period 2,196 1,990
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in Net Income 11 8
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in OCI 57 (29)
Purchases 410 477
Sales 0 (24)
Settlements (206) (187)
Transfers into Level 3 58 11
Transfers out of Level 3 0 (50)
Balance at end of period 2,526 2,196
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31 0 (1)
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31 59 (35)
Equity securities    
Reconciliations for All Assets and Liabilities [Roll Forward]    
Balance at beginning of period 20 24
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in Net Income 4 12
Net Realized Investment Gains (Losses) and Net Change in Unrealized Investment Gains (Losses) Included in OCI
Purchases 20 3
Sales (7) (19)
Settlements (4)
Transfers into Level 3
Transfers out of Level 3
Balance at end of period 33 20
Unrealized Gains (Losses) Recognized in Net Income (Loss) on Level 3 Assets and Liabilities Held at December 31 2 8
Unrealized Gains (Losses) Recognized in Other Comprehensive Income (Loss) on Level 3 Assets and Liabilities Held at December 31
v3.25.4
Fair Value - Significant Unobservable Inputs (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Quantitative Information About the Significant Unobservable Inputs [Abstract]    
Estimated Fair Value $ 43,984 $ 41,827
Level 3 | Fixed maturity securities    
Quantitative Information About the Significant Unobservable Inputs [Abstract]    
Estimated Fair Value $ 1,927 $ 1,724
Debt Securities, Available-for-sale, Valuation Technique [Extensible List] Discounted cash flow Discounted cash flow
Debt Securities, Available-for-sale, Measurement Input [Extensible List] Credit spread Credit spread
Level 3 | Fixed maturity securities | Discounted cash flow | Credit spread | Minimum    
Quantitative Information About the Significant Unobservable Inputs [Abstract]    
Measurement input 0.01 0.01
Level 3 | Fixed maturity securities | Discounted cash flow | Credit spread | Maximum    
Quantitative Information About the Significant Unobservable Inputs [Abstract]    
Measurement input 0.11 0.06
Level 3 | Fixed maturity securities | Discounted cash flow | Credit spread | Weighted Average    
Quantitative Information About the Significant Unobservable Inputs [Abstract]    
Measurement input 0.02 0.02
v3.25.4
Fair Value - Financial Assets and Liabilities Not Measured at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Carrying Amount    
Assets:    
Other invested assets, primarily mortgage loans $ 1,079 $ 1,019
Liabilities:    
Short-term debt 1,051 4
Long-term debt 8,435 8,936
Estimated Fair Value    
Assets:    
Other invested assets, primarily mortgage loans 1,072 987
Liabilities:    
Short-term debt 1,053 5
Long-term debt 8,426 8,668
Estimated Fair Value | Level 1    
Assets:    
Other invested assets, primarily mortgage loans
Liabilities:    
Short-term debt
Long-term debt
Estimated Fair Value | Level 2    
Assets:    
Other invested assets, primarily mortgage loans
Liabilities:    
Short-term debt 1,051
Long-term debt 7,431 7,702
Estimated Fair Value | Level 3    
Assets:    
Other invested assets, primarily mortgage loans 1,072 987
Liabilities:    
Short-term debt 2 5
Long-term debt $ 995 $ 966
v3.25.4
Receivables (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Receivables [Abstract]    
Reinsurance (Note 16) $ 6,408 $ 6,072
Insurance 3,764 3,697
Receivable from brokers 58 50
Accrued investment income 485 458
Income taxes 3 9
Other, primarily customer accounts 318 284
Total 11,036 10,570
Less: allowance for doubtful accounts on reinsurance receivables 27 21
Less: allowance for other doubtful accounts 26 27
Receivables $ 10,983 $ 10,522
v3.25.4
Property, Plant and Equipment - Components of Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 10,695 $ 10,738
Construction in process 357 247
Pipeline Equipment    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment 8,330 8,478
Accumulated depreciation 5,184 4,819
Hotel Properties    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment 1,522 1,517
Accumulated depreciation 709 646
Other    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment 486 496
Accumulated depreciation $ 556 $ 578
v3.25.4
Property, Plant and Equipment - Depreciation Expense and Capital Expenditures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Abstract]      
Depreciation $ 607 $ 580 $ 534
Capital Expend. 602 585 693
Interest costs capitalized 11 27 32
Operating Segments | CNA Financial      
Property, Plant and Equipment [Abstract]      
Depreciation 65 59 54
Capital Expend. 73 105 97
Operating Segments | Boardwalk Pipelines      
Property, Plant and Equipment [Abstract]      
Depreciation 440 426 410
Capital Expend. 386 365 383
Operating Segments | Loews Hotels & Co      
Property, Plant and Equipment [Abstract]      
Depreciation 100 93 69
Capital Expend. 143 115 201
Corporate | Corporate      
Property, Plant and Equipment [Abstract]      
Depreciation 2 2 1
Capital Expend. $ 12
v3.25.4
Claim and Claim Adjustment Expense Reserves - Net Liability for Unpaid Claim and Claim Adjustment Expenses (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses $ 20,617 $ 19,263 $ 18,163 $ 16,929
Total reinsurance receivables 5,982 5,713 5,141 5,191
Total gross liability for unpaid claims and claims adjustment expenses 26,599 24,976 $ 23,304 $ 22,120
Property and casualty        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 19,725 18,334    
Total reinsurance receivables 3,684      
Other insurance        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 892 $ 929    
Total reinsurance receivables $ 2,298      
v3.25.4
Claim and Claim Adjustment Expense Reserves - Reconciliation of Claim and Claim Adjustment Expense Reserves (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]      
Gross reserves, beginning of year $ 24,976 $ 23,304 $ 22,120
Ceded reserves, beginning of year 5,713 5,141 5,191
Net reserves, beginning of year 19,263 18,163 16,929
Net incurred claim and claim adjustment expenses:      
Provision for insured events of current year 6,724 6,330 5,667
Increase (decrease) in provision for insured events of prior years 189 42 48
Amortization of discount 39 39 44
Total net incurred 6,952 6,411 5,759
Net payments attributable to:      
Current year events (1,089) (1,093) (922)
Prior year events (4,685) (4,096) (3,679)
Total net payments (5,774) (5,189) (4,601)
Foreign currency translation adjustment and other 176 (122) 76
Net reserves, end of year 20,617 19,263 18,163
Ceded reserves, end of year 5,982 5,713 5,141
Gross reserves, end of year $ 26,599 $ 24,976 $ 23,304
v3.25.4
Claim and Claim Adjustment Expense Reserves - Gross and Net Carried Reserves (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Gross and Net Carried Reserves [Abstract]        
Gross Case Reserves $ 9,063 $ 8,402    
Gross IBNR Reserves 17,536 16,574    
Total Gross Carried Claim and Claim Adjustment Expense Reserves 26,599 24,976    
Net Case Reserves 6,814 6,207    
Net IBNR Reserves 13,803 13,056    
Total Net Carried Claim and Claim Adjustment Expense Reserves 20,617 19,263 $ 18,163 $ 16,929
Property and casualty        
Gross and Net Carried Reserves [Abstract]        
Gross Case Reserves 7,311 6,589    
Gross IBNR Reserves 16,098 15,093    
Total Gross Carried Claim and Claim Adjustment Expense Reserves 23,409 21,682    
Net Case Reserves 6,189 5,573    
Net IBNR Reserves 13,536 12,761    
Total Net Carried Claim and Claim Adjustment Expense Reserves 19,725 18,334    
Other insurance operations        
Gross and Net Carried Reserves [Abstract]        
Gross Case Reserves 1,752 1,813    
Gross IBNR Reserves 1,438 1,481    
Total Gross Carried Claim and Claim Adjustment Expense Reserves 3,190 3,294    
Net Case Reserves 625 634    
Net IBNR Reserves 267 295    
Total Net Carried Claim and Claim Adjustment Expense Reserves $ 892 $ 929    
v3.25.4
Claim and Claim Adjustment Expense Reserves - Net Prior Year Loss Reserve Development in Property and Casualty Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Net Prior Year Development [Abstract]      
Total pretax unfavorable development $ 185 $ 48 $ 48
Property and casualty      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development 51 (31) (23)
Medical professional liability      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development (8) 5
Other professional liability and management liability      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development 69 49 37
Surety      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development (50) (68) (43)
Warranty      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development 10 20 (11)
Commercial auto      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development 74 107 33
General liability      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development 114 75 149
Workers’ compensation      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development (135) (202) (203)
Other property and casualty operations      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development (31) (4) 10
Other insurance operations      
Net Prior Year Development [Abstract]      
Total pretax unfavorable development $ 134 $ 79 $ 71
v3.25.4
Claim and Claim Adjustment Expense Reserves - Net Liability for Unpaid Claims and Claims Adjustment Expenses by Line of Business (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses $ 20,617 $ 19,263 $ 18,163 $ 16,929
Property and casualty        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 19,725 $ 18,334    
Medical professional liability        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 1,468      
Other professional liability and management liability        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 4,073      
Surety        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 521      
Warranty        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 58      
Commercial auto        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 1,573      
General liability        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 4,837      
Workers’ compensation        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses 3,482      
Other property and casualty operations        
Net Liability for Unpaid Claim and Claim Adjustment Expenses [Abstract]        
Net claim and claim adjustment expenses $ 3,713      
v3.25.4
Claim and Claim Adjustment Expense Reserves - Medical Professional Liability (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
Medical professional liability                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 4,141                  
IBNR 920                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 2,771                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 1,370                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 47                  
Liability for unallocated claim adjustment expenses for accident years presented 51                  
Total net liability for unpaid claim and claim adjustment expenses 1,468                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 0 (8) 5              
Total net development for the accident years presented above 1 (17) 15              
Total net development for accident years prior to 2016 1 9 (10)              
Total unallocated claim adjustment expense development (2) 0 0              
Medical professional liability | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 509 513 514 508 $ 510 $ 508 $ 499 $ 485 $ 487 $ 427
IBNR $ 12                  
Cumulative number of claims | Claim 16,205                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 491 489 483 460 436 401 339 246 121 $ 18
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (4) (1) 6 (2) 2 9 14 (2) 60  
IBNR, Total 82                  
Medical professional liability | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 458 463 456 460 455 460 458 449 412  
IBNR $ 11                  
Cumulative number of claims | Claim 15,400                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 438 427 417 388 355 308 235 107 $ 19  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (5) 7 (4) 5 (5) 2 9 37    
IBNR, Total 46                  
Medical professional liability | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 507 499 495 470 448 431 429 404    
IBNR $ 34                  
Cumulative number of claims | Claim 15,358                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 463 453 418 349 290 211 115 $ 21    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 8 4 25 22 17 2 25      
IBNR, Total 103                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 478 481 469 471 458 445 430      
IBNR $ 17                  
Cumulative number of claims | Claim 14,572                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 425 395 349 280 183 91 $ 17      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (3) 12 (2) 13 13 15        
IBNR, Total 48                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 400 419 447 455 476 477        
IBNR $ 57                  
Cumulative number of claims | Claim 11,381                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 303 258 201 139 61 $ 11        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (19) (28) (8) (21) (1)          
IBNR, Total (77)                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 318 349 374 376 377          
IBNR $ 57                  
Cumulative number of claims | Claim 10,085                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 223 170 118 49 $ 11          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (31) (25) (2) (1)            
IBNR, Total (59)                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 323 333 329 329            
IBNR $ 87                  
Cumulative number of claims | Claim 10,353                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 171 122 57 $ 10            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (10) 4 0              
IBNR, Total (6)                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 382 350 340              
IBNR $ 129                  
Cumulative number of claims | Claim 11,129                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 160 86 $ 14              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 32 10                
IBNR, Total 42                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 376 343                
IBNR $ 199                  
Cumulative number of claims | Claim 11,002                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 82 $ 13                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 33                  
IBNR, Total 33                  
Medical professional liability | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 390                  
IBNR $ 317                  
Cumulative number of claims | Claim 9,107                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 15                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - Other Professional Liability and Management Liability (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
Other professional liability and management liability                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 10,229                  
IBNR 2,689                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 6,324                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 3,905                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 101                  
Liability for unallocated claim adjustment expenses for accident years presented 67                  
Total net liability for unpaid claim and claim adjustment expenses 4,073                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 69 49 37              
Total net development for the accident years presented above 90 34 44              
Total net development for accident years prior to 2016 (18) 10 (7)              
Total unallocated claim adjustment expense development (3) 5 0              
Other professional liability and management liability | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 910 912 906 888 $ 891 $ 907 $ 904 $ 900 $ 900 $ 901
IBNR $ 28                  
Cumulative number of claims | Claim 17,993                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 862 856 826 784 736 701 625 466 248 $ 64
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (2) 6 18 (3) (16) 3 4 0 (1)  
IBNR, Total 9                  
Other professional liability and management liability | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 744 752 746 758 775 791 813 845 847  
IBNR $ 25                  
Cumulative number of claims | Claim 18,223                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 699 672 630 596 557 498 394 222 $ 57  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (8) 6 (12) (17) (16) (22) (32) (2)    
IBNR, Total (103)                  
Other professional liability and management liability | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,003 987 941 923 906 869 864 850    
IBNR $ 44                  
Cumulative number of claims | Claim 20,083                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 886 847 779 706 599 473 282 $ 54    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 16 46 18 17 37 5 14      
IBNR, Total 153                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 984 970 939 876 856 845 837      
IBNR $ 79                  
Cumulative number of claims | Claim 19,577                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 864 801 699 567 422 263 $ 64      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 14 31 63 20 11 8        
IBNR, Total 147                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 936 945 945 951 944 930        
IBNR $ 106                  
Cumulative number of claims | Claim 19,558                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 751 660 523 400 248 $ 67        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (9) 0 (6) 7 14          
IBNR, Total 6                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 956 965 1,009 1,038 1,037          
IBNR $ 190                  
Cumulative number of claims | Claim 18,444                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 634 502 356 217 $ 58          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (9) (44) (29) 1            
IBNR, Total (81)                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,049 1,084 1,112 1,120            
IBNR $ 265                  
Cumulative number of claims | Claim 18,534                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 638 453 225 $ 64            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (35) (28) (8)              
IBNR, Total (71)                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,239 1,166 1,149              
IBNR $ 365                  
Cumulative number of claims | Claim 19,902                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 594 302 $ 64              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 73 17                
IBNR, Total 90                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,200 1,150                
IBNR $ 609                  
Cumulative number of claims | Claim 20,579                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 315 $ 77                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 50                  
IBNR, Total 50                  
Other professional liability and management liability | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,208                  
IBNR $ 978                  
Cumulative number of claims | Claim 19,311                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 81                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - Surety (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
Surety                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 984                  
IBNR 456                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 492                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 492                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 13                  
Liability for unallocated claim adjustment expenses for accident years presented 16                  
Total net liability for unpaid claim and claim adjustment expenses 521                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (50) (68) (43)              
Total net development for the accident years presented above (40) (63) (54)              
Total net development for accident years prior to 2016 (7) (5) 11              
Total unallocated claim adjustment expense development (3) 0 0              
Surety | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 43 43 43 58 $ 64 $ 67 $ 84 $ 109 $ 124 $ 124
IBNR $ 3                  
Cumulative number of claims | Claim 5,590                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 40 40 40 41 43 43 45 45 37 $ 5
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 0 0 (15) (6) (3) (17) (25) (15) 0  
IBNR, Total (81)                  
Surety | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 66 67 67 66 71 84 103 115 120  
IBNR $ 3                  
Cumulative number of claims | Claim 5,928                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 63 63 62 62 49 46 41 37 $ 23  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (1) 0 1 (5) (13) (19) (12) (5)    
IBNR, Total (54)                  
Surety | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 58 49 51 56 62 91 108 114    
IBNR $ 2                  
Cumulative number of claims | Claim 6,322                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 46 41 41 40 39 34 25 $ 5    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 9 (2) (5) (6) (29) (17) (6)      
IBNR, Total (56)                  
Surety | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 81 82 82 87 98 112 119      
IBNR $ 6                  
Cumulative number of claims | Claim 6,286                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 75 74 70 59 44 34 $ 12      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (1) 0 (5) (11) (14) (7)        
IBNR, Total (38)                  
Surety | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 67 57 67 81 119 128        
IBNR $ 6                  
Cumulative number of claims | Claim 4,918                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 57 44 33 28 20 $ 4        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 10 (10) (14) (38) (9)          
IBNR, Total (61)                  
Surety | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 74 91 110 129 137          
IBNR $ 12                  
Cumulative number of claims | Claim 5,003                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 59 42 35 20 $ 5          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (17) (19) (19) (8)            
IBNR, Total (63)                  
Surety | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 118 132 158 155            
IBNR $ 53                  
Cumulative number of claims | Claim 5,131                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 59 52 35 $ 12            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (14) (26) 3              
IBNR, Total (37)                  
Surety | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 147 169 175              
IBNR $ 92                  
Cumulative number of claims | Claim 4,889                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 52 27 $ 8              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (22) (6)                
IBNR, Total (28)                  
Surety | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 167 171                
IBNR $ 124                  
Cumulative number of claims | Claim 4,397                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 37 $ 20                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (4)                  
IBNR, Total (4)                  
Surety | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 163                  
IBNR $ 155                  
Cumulative number of claims | Claim 3,143                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 4                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - Commercial Auto (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
Commercial auto                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 4,515                  
IBNR 1,085                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 2,973                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 1,542                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 5                  
Liability for unallocated claim adjustment expenses for accident years presented 26                  
Total net liability for unpaid claim and claim adjustment expenses 1,573                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 74 107 33              
Total net development for the accident years presented above 68 110 26              
Total net development for accident years prior to 2016 3 (3) 4              
Total unallocated claim adjustment expense development 3 0 3              
Commercial auto | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 194 195 197 200 $ 195 $ 190 $ 186 $ 186 $ 186 $ 198
IBNR $ 0                  
Cumulative number of claims | Claim 30,459                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 193 193 192 190 185 175 154 126 93 $ 52
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (1) (2) (3) 5 5 4 0 0 (12)  
IBNR, Total (4)                  
Commercial auto | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 237 241 241 239 232 221 200 198 199  
IBNR $ 0                  
Cumulative number of claims | Claim 30,948                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 237 235 232 225 203 178 150 107 $ 58  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (4) 0 2 7 11 21 2 (1)    
IBNR, Total 38                  
Commercial auto | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 259 260 255 254 245 227 227 229    
IBNR $ 1                  
Cumulative number of claims | Claim 34,333                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 257 256 249 238 212 175 128 $ 66    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (1) 5 1 9 18 0 (2)      
IBNR, Total 30                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 323 327 325 323 289 266 257      
IBNR $ 0                  
Cumulative number of claims | Claim 37,281                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 319 312 295 257 203 147 $ 77      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (4) 2 2 34 23 9        
IBNR, Total 66                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 299 303 298 304 303 310        
IBNR $ 7                  
Cumulative number of claims | Claim 29,192                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 287 276 246 197 134 $ 71        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (4) 5 (6) 1 (7)          
IBNR, Total (11)                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 377 393 390 388 397          
IBNR $ 16                  
Cumulative number of claims | Claim 33,063                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 347 305 240 168 $ 83          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (16) 3 2 (9)            
IBNR, Total (20)                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 506 496 465 437            
IBNR $ 55                  
Cumulative number of claims | Claim 37,327                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 411 334 236 $ 112            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 10 31 28              
IBNR, Total 69                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 635 620 554              
IBNR $ 120                  
Cumulative number of claims | Claim 42,921                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 414 270 $ 127              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 15 66                
IBNR, Total 81                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 799 726                
IBNR $ 270                  
Cumulative number of claims | Claim 49,670                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 345 $ 153                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 73                  
IBNR, Total 73                  
Commercial auto | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 886                  
IBNR $ 616                  
Cumulative number of claims | Claim 41,075                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 163                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - General Liability (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
General liability                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 9,151                  
IBNR 3,410                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 4,576                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 4,575                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 179                  
Liability for unallocated claim adjustment expenses for accident years presented 83                  
Total net liability for unpaid claim and claim adjustment expenses 4,837                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 114 75 149              
Total net development for the accident years presented above 130 48 134              
Total net development for accident years prior to 2016 (30) 27 15              
Total unallocated claim adjustment expense development 14 0 0              
General liability | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 723 712 704 684 $ 683 $ 673 $ 671 $ 667 $ 659 $ 623
IBNR $ 23                  
Cumulative number of claims | Claim 24,982                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 681 652 620 582 524 481 407 279 163 $ 32
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 11 8 20 1 10 2 4 8 36  
IBNR, Total 100                  
General liability | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 749 713 690 652 630 634 632 632 632  
IBNR $ 15                  
Cumulative number of claims | Claim 22,611                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 705 657 606 553 471 399 250 118 $ 23  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 36 23 38 22 (4) 2 0 0    
IBNR, Total 117                  
General liability | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 663 665 679 650 639 646 644 653    
IBNR $ 63                  
Cumulative number of claims | Claim 20,631                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 573 546 491 428 307 228 107 $ 33    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (2) (14) 29 11 (7) 2 (9)      
IBNR, Total 10                  
General liability | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 747 727 720 691 682 682 680      
IBNR $ 98                  
Cumulative number of claims | Claim 20,091                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 607 532 455 322 181 98 $ 25      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 20 7 29 9 0 2        
IBNR, Total 67                  
General liability | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 662 702 736 726 722 723        
IBNR $ 139                  
Cumulative number of claims | Claim 15,152                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 450 367 280 192 99 $ 23        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (40) (34) 10 4 (1)          
IBNR, Total (61)                  
General liability | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 833 814 793 784 782          
IBNR $ 189                  
Cumulative number of claims | Claim 16,349                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 542 391 262 140 $ 26          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 19 21 9 2            
IBNR, Total 51                  
General liability | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 952 930 928 929            
IBNR $ 316                  
Cumulative number of claims | Claim 18,494                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 439 260 123 $ 29            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 22 2 (1)              
IBNR, Total 23                  
General liability | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,146 1,106 1,071              
IBNR $ 516                  
Cumulative number of claims | Claim 18,905                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 356 153 $ 33              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 40 35                
IBNR, Total 75                  
General liability | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,295 1,271                
IBNR $ 833                  
Cumulative number of claims | Claim 20,250                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 180 $ 34                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 24                  
IBNR, Total 24                  
General liability | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 1,381                  
IBNR $ 1,218                  
Cumulative number of claims | Claim 15,771                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 43                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - Workers' Compensation (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Claim
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 $ 4,685 $ 4,096 $ 3,679              
Total net liability for unpaid claim and claim adjustment expenses 20,617 19,263 18,163 $ 16,929            
Workers’ compensation                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 4,469                  
IBNR 1,182                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total 2,672                  
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented 1,797                  
Net liability for unpaid claim and claim adjustment expenses for accident years prior to 2016 1,648                  
Other (23)                  
Liability for unallocated claim adjustment expenses for accident years presented 60                  
Total net liability for unpaid claim and claim adjustment expenses 3,482                  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (135) (202) (203)              
Total net development for the accident years presented above (85) (85) (114)              
Adjustment for development on a discounted basis 2 (2) (2)              
Total net development for accident years prior to 2016 (52) (115) (93)              
Total unallocated claim adjustment expense development 0 0 6              
Workers’ compensation | Short-duration Insurance Contracts, Accident Year 2016                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 287 293 308 331 $ 355 $ 366 $ 382 $ 396 $ 405 $ 426
IBNR $ 40                  
Cumulative number of claims | Claim 32,007                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 238 238 235 234 227 219 198 169 129 $ 53
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (6) (15) (23) (24) (11) (16) (14) (9) (21)  
IBNR, Total (139)                  
Workers’ compensation | Short-duration Insurance Contracts, Accident Year 2017                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 364 383 398 399 402 400 421 432 440  
IBNR $ 44                  
Cumulative number of claims | Claim 33,164                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 295 293 287 279 265 243 207 151 $ 63  
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (19) (15) (1) (3) 2 (21) (11) (8)    
IBNR, Total (76)                  
Workers’ compensation | Short-duration Insurance Contracts, Accident Year 2018                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 393 399 404 415 415 428 440 450    
IBNR $ 57                  
Cumulative number of claims | Claim 34,930                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 313 307 298 280 259 229 163 $ 68    
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (6) (5) (11) 0 (13) (12) (10)      
IBNR, Total (57)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2019                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 410 416 419 436 437 449 452      
IBNR $ 57                  
Cumulative number of claims | Claim 34,398                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 320 310 291 262 223 169 $ 71      
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (6) (3) (17) (1) (12) (3)        
IBNR, Total (42)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2020                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 363 393 414 446 466 477        
IBNR $ 74                  
Cumulative number of claims | Claim 29,506                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 257 246 228 200 147 $ 65        
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (30) (21) (32) (20) (11)          
IBNR, Total (114)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2021                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 412 421 432 454 468          
IBNR $ 97                  
Cumulative number of claims | Claim 30,150                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 273 256 222 164 $ 67          
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (9) (11) (22) (14)            
IBNR, Total (56)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2022                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 467 478 489 497            
IBNR $ 108                  
Cumulative number of claims | Claim 33,488                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 299 258 192 $ 79            
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (11) (11) (8)              
IBNR, Total (30)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2023                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 541 551 555              
IBNR $ 161                  
Cumulative number of claims | Claim 37,037                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 286 209 $ 87              
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total (10) (4)                
IBNR, Total (14)                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2024                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 586 574                
IBNR $ 196                  
Cumulative number of claims | Claim 38,866                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 264 $ 111                
Net Strengthening (Releases) of Prior Accident Year Reserves                    
Total 12                  
IBNR, Total 12                  
Workers’ compensation | Short-Duration Insurance Contract, Accident Year 2025                    
Cumulative Net Incurred Claim and Allocated Claim Adjustment Expenses                    
Total 646                  
IBNR $ 348                  
Cumulative number of claims | Claim 36,112                  
Cumulative Net Paid Claim and Allocated Claim Adjustment Expenses                    
Total $ 127                  
v3.25.4
Claim and Claim Adjustment Expense Reserves - Supplementary Information about Average Historical Claims Duration (Details)
Dec. 31, 2025
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses, Surety:  
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year One 15.20%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Two 36.20%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Three 12.90%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Four 8.40%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Five 6.30%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Six 9.20%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Seven (0.90%)
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Eight 2.60%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Nine 0.00%
Short-Duration Insurance Contracts, Historical Claims Duration, Surety, Year Ten 0.00%
Medical professional liability  
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 3.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 16.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 21.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 16.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 13.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six 9.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven 6.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight 2.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine 1.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten 0.40%
Other professional liability and management liability  
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 6.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 19.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 19.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 15.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 11.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six 7.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven 5.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight 4.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine 3.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten 0.70%
Commercial auto  
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 22.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 22.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 19.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 15.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 10.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six 5.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven 2.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight 0.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine 0.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten 0.00%
General liability  
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 3.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 12.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 15.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 16.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 14.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six 9.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven 8.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight 5.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine 5.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten 4.00%
Workers’ compensation  
Average Annual Percentage Payout of Ultimate Net Incurred Claim and Allocated Claim Adjustment Expenses in Year:  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 17.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 24.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 14.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 8.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 5.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six 3.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven 2.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight 1.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine 0.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten 0.00%
v3.25.4
Claim and Claim Adjustment Expense Reserves - A&EP Reserves (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2010
Additional amounts ceded under LPT [Abstract]        
Additional amounts ceded under LPT $ 185 $ 103 $ 86  
Retroactive reinsurance benefit recognized (140) (95) (94)  
Pretax impact of deferred retroactive reinsurance 45 8 $ (8)  
A&EP Reserves        
A&EP Reserves [Abstract]        
Net A&EP claim and allocated claim adjustment expense reserves       $ 1,600
Aggregate limit under A&EP Loss Portfolio Transfer       4,000
Ceded A&EP claim and allocated claim adjustment expense reserves under existing third party reinsurance contracts transferred to NICO under A&EP Loss Portfolio Transfer       1,200
Reinsurance premium paid to NICO under A&EP loss portfolio transfer       2,000
Net reinsurance receivables transferred to NICO under A&EP Loss Portfolio Transfer       215
Total consideration       $ 2,200
Additional amounts ceded under LPT [Abstract]        
Cumulative amounts ceded under loss portfolio transfer 3,900 3,700    
Unrecognized deferred retroactive reinsurance benefit 470 $ 425    
Fair value of collateral trust account $ 2,400      
v3.25.4
Claim and Claim Adjustment Expense Reserves - Excess Workers' Compensation LPT (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 05, 2021
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Jan. 01, 2020
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]          
Reinsurance recoverable   $ 6,381 $ 6,051    
Increase (decrease) in provision for insured events of prior years   189 $ 42 $ 48  
Outstanding reserves maintained as security for obligations   247      
CNA | Loss Portfolio Transfer for Workers' Compensation Liabilities          
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]          
Reinsurance recoverable   615     $ 690
Payment for reinsurance premium $ 697        
Increase (decrease) in provision for insured events of prior years   $ (75)      
CNA | Loss Portfolio Transfer for Workers' Compensation Liabilities | Maximum          
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]          
Reinsurance recoverable         $ 1,000
v3.25.4
Future Policy Benefits Reserves - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Insurance [Abstract]        
Pretax change in LFPB $ 7 $ 15    
Liability for future policy benefit, expected future gross premium, discounted, before reinsurance     $ 3,500 $ 3,600
Liability for future policy benefit, weighted-average duration     11 years 11 years
Liability for future policy benefit, adverse development, expense     $ 135 $ 159
Liability future policy benefit, losses recognized in prior period     $ 58 $ 29
v3.25.4
Future Policy Benefits Reserves - Schedule of Balances and Changes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Present value of future net premiums        
Balance, January 1   $ 3,425 $ 3,710 $ 3,991
Effect of changes in discount rate $ (7) (125) (74)  
Balance, January 1, at original locked in discount rate 3,418 3,585 3,917  
Effect of changes in cash flow assumptions   114 111 28
Expect of actual variances from expected experience   (10) (41) (126)
Adjusted balance, January 1   3,522 3,655 3,819
Interest accrual 176 183 202  
Net premiums: earned during period (406) (420) (436)  
Balance, end of period at original locked in discount rate 3,292 3,418 3,585  
Effect of changes in discount rate 71 7 125  
Balance, December 31 3,363 3,425 3,710  
Present value of future benefits & expenses        
Balance, January 1   16,583 17,669 17,471
Effect of changes in discount rate 173 440 (578) (125)
Balance, January 1, at original locked in discount rate 17,023 17,091 17,346  
Effect of changes in cash flow assumptions   121 126 36
Effect of actual variances from expected experience   87 69 (46)
Adjusted balance, January 1   17,231 17,286 17,336
Interest accrual 918 924 962  
Benefit & expense payments (1,165) (1,187) (1,207)  
Balance, end of period at original locked in discount rate 16,984 17,023 17,091  
Effect of changes in discount rate (173) (440) 578 $ 125
Balance, December 31 16,811 16,583 17,669  
Net LFPB 13,448 13,158 13,959  
Re-measurement loss of insurance claims and policyholders’ benefits $ (104) $ (125) $ (88)  
v3.25.4
Future Policy Benefits Reserves - Schedule of Earned Premiums and Interest Accretion (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Insurance [Abstract]      
Earned premiums $ 423 $ 437 $ 451
Interest accretion $ 742 $ 741 $ 760
v3.25.4
Future Policy Benefits Reserves - Undiscounted Expected Future Benefit and Expense Payments and Undiscounted Expected Future Gross Premiums (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Insurance [Abstract]    
Expected future benefit and expense payments $ 31,323 $ 31,712
Expected future gross premiums $ 4,930 $ 5,183
v3.25.4
Future Policy Benefits Reserves - Weighted Average Interest Rates (Details)
Dec. 31, 2025
Dec. 31, 2024
Insurance [Abstract]    
Original locked in discount rate 5.16% 5.20%
Upper-medium grade fixed income instrument discount rate 5.32% 5.51%
v3.25.4
Leases - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Leases [Abstract]      
Operating lease right of use asset $ 301 $ 320  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Other assets Other assets  
Total lease liabilities $ 375 $ 406  
Operating Lease, Liability, Statement of Financial Position [Extensible List] Other liabilities Other liabilities  
Total lease expense $ 77 $ 79 $ 87
Operating lease expense 53 51 58
Variable lease expense 20 23 24
Short term lease expense 4 5 5
Lease liability cash payments 59 80 60
Operating lease right of use assets obtained in exchange for lease obligations $ 27 $ 73 $ 39
v3.25.4
Leases - Maturities of Lease Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Operating Leases    
2026 $ 55  
2027 55  
2028 50  
2029 51  
2030 47  
Thereafter 255  
Total 513  
Less: discount 138  
Total lease liabilities $ 375 $ 406
v3.25.4
Leases - Weighted Average Remaining Lease Term for Operating Leases and Weighted Average Discount Rate (Details)
Dec. 31, 2025
Lessee Disclosure [Abstract]  
Weighted average remaining lease term 10 years 1 month 6 days
Weighted average discount rate 4.20%
v3.25.4
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Total income tax expense      
Notice period for cancellation of agreement 30 days    
Income tax benefit from an adjustment to deferred state income taxes   $ 36  
Deferred taxes on undistributed earnings of subsidiaries $ 0    
Unrecognized tax benefits 0 0 $ 0
Interest expense (benefit) 0 $ 0 $ 0
Foreign Tax Jurisdiction      
Total income tax expense      
Tax credit carryforward, subject to expiration 6    
Net operating loss carryforwards, not subject to expiration 83    
Tax credit carryforward, not subject to expiration 13    
State      
Total income tax expense      
Valuation allowance recorded $ 25    
v3.25.4
Income Taxes - Current and Deferred Components and Total of Income Tax Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income before income tax expense:      
U.S. $ 1,999 $ 1,672 $ 1,798
Foreign 284 202 198
Income before income tax 2,283 1,874 1,996
Current tax expense      
Federal 314 320 267
State and local 37 47 20
Foreign 48 58 37
Total current tax expense 399 425 324
Deferred tax expense (benefit)      
Federal 81 (10) 81
State and local 10 (40) 31
Foreign 21 5 15
Total deferred tax expense (benefit) 112 (45) 127
Total income tax expense      
Federal 395 310 348
State and local 47 7 51
Foreign 69 63 52
Total income tax expense $ 511 $ 380 $ 451
v3.25.4
Income Taxes - Reconciliation of Tax Rate and Tax Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Amount      
Income tax expense at federal statutory tax rate $ 479 $ 393 $ 419
State and local income taxes, net of federal income tax effect 38 7 42
Tax credits foreign tax credits (25) (36) (26)
Tax credits other (6) (7) (2)
Nontaxable investment income (30) (26) (31)
Other 14 13 12
Other adjustments 10 (3) 7
Total income tax expense $ 511 $ 380 $ 451
Percent      
Income tax expense at federal statutory tax rate (as a percent) 21.00% 21.00% 21.00%
State and local income taxes, net of federal income tax effect (as a percent) 1.70% 0.40% 2.10%
Tax credits foreign tax credits (as a percent) (1.10%) (1.90%) (1.30%)
Tax credits other (as a percent) (0.30%) (0.40%) (0.10%)
Nontaxable investment income (as a percent) (1.30%) (1.40%) (1.60%)
Other (as a percent) 0.60% 0.70% 0.60%
Other adjustments (as a percent) 0.40% (0.20%) 0.40%
Income tax expense (as a percent) 22.40% 20.30% 22.60%
Canada      
Amount      
Foreign tax effects $ 22 $ 32 $ 23
Percent      
Foreign tax effects (as a percent) 1.00% 1.70% 1.10%
Other      
Amount      
Foreign tax effects $ 9 $ 7 $ 7
Percent      
Foreign tax effects (as a percent) 0.40% 0.40% 0.40%
v3.25.4
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Insurance reserves:    
Property and casualty claim and claim adjustment expense reserves $ 276 $ 234
Unearned premium reserves 227 225
Deferred revenue 84 85
Employee benefits 81 79
Deferred retroactive reinsurance benefit 99 89
Net unrealized losses 258 485
Other assets 179 188
Total deferred tax assets 1,204 1,385
Valuation allowance (25) (19)
Net deferred tax assets 1,179 1,366
Deferred tax liabilities:    
Deferred acquisition costs (143) (140)
Policyholder reserves (25) (48)
Property, plant and equipment (1,056) (963)
Basis differential in investment in subsidiary (473) (481)
Investment valuation differences (218) (176)
Other liabilities (87) (69)
Total deferred tax liabilities (2,002) (1,877)
Net deferred tax liabilities (823) (511)
Other Assets    
Insurance reserves:    
Total deferred tax assets $ 16 $ 39
v3.25.4
Debt - Schedule of Debt (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Debt [Abstract]    
Total long term debt and finance lease obligation $ 9,561,000,000  
Less unamortized discount and issuance costs 72,000,000  
Debt, net $ 9,489,000,000 $ 8,944,000,000
Loews Corporation | 3.8% Senior Notes Due 2026    
Debt [Abstract]    
Interest rate (as a percent) 3.80%  
Maturity year 2026  
Effective interest rate 3.90%  
Debt authorized $ 500,000,000  
Loews Corporation | 3.2% Senior Notes Due 2030    
Debt [Abstract]    
Interest rate (as a percent) 3.20%  
Maturity year 2030  
Effective interest rate 3.30%  
Debt authorized $ 500,000,000  
Loews Corporation | 6.0% Senior Notes Due 2035    
Debt [Abstract]    
Interest rate (as a percent) 6.00%  
Maturity year 2035  
Effective interest rate 6.20%  
Debt authorized $ 300,000,000  
Loews Corporation | 4.1% Senior Notes Due 2043    
Debt [Abstract]    
Interest rate (as a percent) 4.10%  
Maturity year 2043  
Effective interest rate 4.30%  
Debt authorized $ 500,000,000  
CNA Financial | 4.5% Senior Notes Due 2026    
Debt [Abstract]    
Interest rate (as a percent) 4.50%  
Maturity year 2026  
Effective interest rate 4.50%  
Debt authorized $ 500,000,000  
CNA Financial | 3.5% Senior Notes Due 2027    
Debt [Abstract]    
Interest rate (as a percent) 3.50%  
Maturity year 2027  
Effective interest rate 3.50%  
Debt authorized $ 500,000,000  
CNA Financial | 3.9% Senior Notes Due 2029    
Debt [Abstract]    
Interest rate (as a percent) 3.90%  
Maturity year 2029  
Effective interest rate 3.90%  
Debt authorized $ 500,000,000  
CNA Financial | 2.1% Senior Notes Due 2030    
Debt [Abstract]    
Interest rate (as a percent) 2.10%  
Maturity year 2030  
Effective interest rate 2.10%  
Debt authorized $ 500,000,000  
CNA Financial | 5.5% Senior Notes Due 2033    
Debt [Abstract]    
Interest rate (as a percent) 5.50%  
Maturity year 2033  
Effective interest rate 5.70%  
Debt authorized $ 500,000,000  
CNA Financial | 5.1% Senior Notes Due 2034    
Debt [Abstract]    
Interest rate (as a percent) 5.10%  
Maturity year 2034  
Effective interest rate 5.30%  
Debt authorized $ 500,000,000  
CNA Financial | 5.2% Senior Notes Due 2035    
Debt [Abstract]    
Interest rate (as a percent) 5.20%  
Maturity year 2035  
Effective interest rate 5.20%  
Debt authorized $ 500,000,000  
Boardwalk Pipelines | 6.0% Senior Notes Due 2026    
Debt [Abstract]    
Interest rate (as a percent) 6.00%  
Maturity year 2026  
Effective interest rate 6.20%  
Debt authorized $ 550,000,000  
Boardwalk Pipelines | 4.5% Senior Notes Due 2027    
Debt [Abstract]    
Interest rate (as a percent) 4.50%  
Maturity year 2027  
Effective interest rate 4.60%  
Debt authorized $ 500,000,000  
Boardwalk Pipelines | 7.3% Senior Debentures Due 2027    
Debt [Abstract]    
Interest rate (as a percent) 7.30%  
Maturity year 2027  
Effective interest rate 8.10%  
Debt authorized $ 100,000,000  
Boardwalk Pipelines | 4.8% Senior Notes Due 2029    
Debt [Abstract]    
Interest rate (as a percent) 4.80%  
Maturity year 2029  
Effective interest rate 4.90%  
Debt authorized $ 500,000,000  
Boardwalk Pipelines | 3.4% Senior Notes Due 2031    
Debt [Abstract]    
Interest rate (as a percent) 3.40%  
Maturity year 2031  
Effective interest rate 3.50%  
Debt authorized $ 500,000,000  
Boardwalk Pipelines | 3.6% Senior Notes Due 2032    
Debt [Abstract]    
Interest rate (as a percent) 3.60%  
Maturity year 2032  
Effective interest rate 3.70%  
Debt authorized $ 500,000,000  
Boardwalk Pipelines | 5.6% Senior Notes Due 2034    
Debt [Abstract]    
Interest rate (as a percent) 5.60%  
Maturity year 2034  
Effective interest rate 5.80%  
Debt authorized $ 600,000,000  
Boardwalk Pipelines | 5.4% Senior Notes Due 2036    
Debt [Abstract]    
Interest rate (as a percent) 5.40%  
Maturity year 2036  
Effective interest rate 5.50%  
Debt authorized $ 550,000,000  
Loews Hotels & Co | Senior Debt, Principally Mortgages    
Debt [Abstract]    
Effective interest rate 5.90% 6.70%
Operating Segments    
Debt [Abstract]    
Total long term debt and finance lease obligation $ 9,612,000,000 $ 9,065,000,000
Less unamortized discount and issuance costs 72,000,000 70,000,000
Operating Segments | Loews Corporation    
Debt [Abstract]    
Total long term debt and finance lease obligation 1,800,000,000  
Less unamortized discount and issuance costs 14,000,000  
Debt, net 1,786,000,000  
Operating Segments | Loews Corporation | 3.8% Senior Notes Due 2026    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Loews Corporation | 3.2% Senior Notes Due 2030    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Loews Corporation | 6.0% Senior Notes Due 2035    
Debt [Abstract]    
Long term debt 300,000,000 300,000,000
Operating Segments | Loews Corporation | 4.1% Senior Notes Due 2043    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial    
Debt [Abstract]    
Total long term debt and finance lease obligation 3,000,000,000  
Less unamortized discount and issuance costs 29,000,000  
Debt, net 2,971,000,000  
Operating Segments | CNA Financial | 4.5% Senior Notes Due 2026    
Debt [Abstract]    
Long term debt 500,000,000
Operating Segments | CNA Financial | 3.5% Senior Notes Due 2027    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial | 3.9% Senior Notes Due 2029    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial | 2.1% Senior Notes Due 2030    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial | 5.5% Senior Notes Due 2033    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial | 5.1% Senior Notes Due 2034    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | CNA Financial | 5.2% Senior Notes Due 2035    
Debt [Abstract]    
Long term debt 500,000,000
Operating Segments | Boardwalk Pipelines    
Debt [Abstract]    
Finance lease obligation 3,000,000 4,000,000
Total long term debt and finance lease obligation 3,803,000,000  
Less unamortized discount and issuance costs 21,000,000  
Debt, net 3,782,000,000  
Operating Segments | Boardwalk Pipelines | 6.0% Senior Notes Due 2026    
Debt [Abstract]    
Long term debt 550,000,000 550,000,000
Operating Segments | Boardwalk Pipelines | 4.5% Senior Notes Due 2027    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Boardwalk Pipelines | 7.3% Senior Debentures Due 2027    
Debt [Abstract]    
Long term debt 100,000,000 100,000,000
Operating Segments | Boardwalk Pipelines | 4.8% Senior Notes Due 2029    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Boardwalk Pipelines | 3.4% Senior Notes Due 2031    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Boardwalk Pipelines | 3.6% Senior Notes Due 2032    
Debt [Abstract]    
Long term debt 500,000,000 500,000,000
Operating Segments | Boardwalk Pipelines | 5.6% Senior Notes Due 2034    
Debt [Abstract]    
Long term debt 600,000,000 600,000,000
Operating Segments | Boardwalk Pipelines | 5.4% Senior Notes Due 2036    
Debt [Abstract]    
Long term debt 550,000,000
Operating Segments | Loews Hotels & Co    
Debt [Abstract]    
Total long term debt and finance lease obligation 1,009,000,000  
Less unamortized discount and issuance costs 8,000,000  
Debt, net 1,001,000,000  
Operating Segments | Loews Hotels & Co | Senior Debt, Principally Mortgages    
Debt [Abstract]    
Long term debt 1,009,000,000 1,011,000,000
Intersegment Eliminations    
Debt [Abstract]    
Total long term debt and finance lease obligation (51,000,000)  
Less unamortized discount and issuance costs  
Debt, net $ (51,000,000) $ (51,000,000)
v3.25.4
Debt - Summary of Long-term Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt [Abstract]    
Principal $ 9,561  
Unamortized Discount and Issuance Costs 72  
Debt, net 9,489 $ 8,944
Short Term Debt 1,052 5
Long Term Debt 8,437 8,939
Operating Segments    
Debt [Abstract]    
Principal 9,612 9,065
Unamortized Discount and Issuance Costs 72 70
Operating Segments | Loews Corporation    
Debt [Abstract]    
Principal 1,800  
Unamortized Discount and Issuance Costs 14  
Debt, net 1,786  
Short Term Debt 500  
Long Term Debt 1,286  
Operating Segments | CNA Financial    
Debt [Abstract]    
Principal 3,000  
Unamortized Discount and Issuance Costs 29  
Debt, net 2,971  
Short Term Debt  
Long Term Debt 2,971  
Operating Segments | Boardwalk Pipelines    
Debt [Abstract]    
Principal 3,803  
Unamortized Discount and Issuance Costs 21  
Debt, net 3,782  
Short Term Debt 550  
Long Term Debt 3,232  
Operating Segments | Loews Hotels & Co    
Debt [Abstract]    
Principal 1,009  
Unamortized Discount and Issuance Costs 8  
Debt, net 1,001  
Short Term Debt 2  
Long Term Debt 999  
Intersegment Eliminations    
Debt [Abstract]    
Principal (51)  
Unamortized Discount and Issuance Costs  
Debt, net (51) $ (51)
Short Term Debt  
Long Term Debt $ (51)  
v3.25.4
Debt - Narrative (Details)
12 Months Ended
Mar. 01, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2023
USD ($)
Extension
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]        
Long term debt maturing in 2026   $ 1,100,000,000    
Long term debt maturing in 2027   1,100,000,000    
Long term debt maturing in 2028   56,000,000    
Long term debt maturing in 2029   1,200,000,000    
Long term debt maturing in 2030   1,100,000,000    
Long term debt maturing thereafter   5,100,000,000    
CNA        
Debt Instrument [Line Items]        
FHLBC stock held   5,000,000    
Additional liquidity available   108,000,000    
Outstanding borrowings from FHLBC   0   $ 0
CNA | Senior Unsecured Revolving Credit Facility        
Debt Instrument [Line Items]        
Term     5 years  
Maximum borrowing capacity     $ 250,000,000  
Additional borrowing capacity     $ 100,000,000  
Number of extensions | Extension     2  
Term of extension     1 year  
Outstanding borrowings   0    
CNA | 5.2% Senior Notes Due 2035        
Debt Instrument [Line Items]        
Debt authorized   $ 500,000,000    
Interest rate (as a percent)   5.20%    
CNA | 4.5% Senior Notes Due 2026        
Debt Instrument [Line Items]        
Debt authorized   $ 500,000,000    
Interest rate (as a percent)   4.50%    
Amount of debt redeemed   $ 500,000,000    
Boardwalk Pipelines | Revolving Credit Facility        
Debt Instrument [Line Items]        
Outstanding borrowings   0    
Available borrowing capacity   1,000,000,000    
Boardwalk Pipelines | 6.0% Senior Notes Due 2026 | Forecast        
Debt Instrument [Line Items]        
Interest rate (as a percent) 6.00%      
Amount of debt redeemed $ 550,000,000      
Loews Hotels & Co | Senior Debt, Principally Mortgages        
Debt Instrument [Line Items]        
Amount of loan refinanced   $ 363,000,000    
v3.25.4
Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period $ 17,937 $ 16,525 $ 15,201
Other comprehensive income (loss) before reclassifications, after tax 808 289 826
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax 67 398 135
Other comprehensive income (loss) 875 687 961
Amounts attributable to noncontrolling interests (74) (57) (77)
Purchase of CNA shares     (61)
Other (1) 0  
Balance at end of period 19,641 17,937 16,525
Net Unrealized Gains (Losses) on Investments with an Allowance for Credit Losses      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     (7)
Other comprehensive income (loss) before reclassifications, after tax (22) (34) (24)
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax 20 33 19
Other comprehensive income (loss) (2) (1) (5)
Amounts attributable to noncontrolling interests
Purchase of CNA shares    
Other  
Other comprehensive income (loss) before reclassifications, tax 5 9 6
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax (5) (9) (5)
Net Unrealized Gains (Losses) on Other Investments      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     (2,469)
Other comprehensive income (loss) before reclassifications, after tax 841 (309) 1,072
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax 46 47 53
Other comprehensive income (loss) 887 (262) 1,125
Amounts attributable to noncontrolling interests (73) 22 (93)
Purchase of CNA shares     (46)
Other (1) 3  
Other comprehensive income (loss) before reclassifications, tax (226) 81 (290)
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax (12) (13) (14)
Cumulative impact of changes in discount rates used to measure long duration contracts      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     (36)
Other comprehensive income (loss) before reclassifications, after tax (161) 712 (318)
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax
Other comprehensive income (loss) (161) 712 (318)
Amounts attributable to noncontrolling interests 13 (59) 26
Purchase of CNA shares     (1)
Other  
Other comprehensive income (loss) before reclassifications, tax 43 (189) 85
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax 0 0 0
Unrealized Gains (Losses) on Cash Flow Hedges      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     14
Other comprehensive income (loss) before reclassifications, after tax (7) (5)
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax
Other comprehensive income (loss) (7) 0 (5)
Amounts attributable to noncontrolling interests
Purchase of CNA shares    
Other  
Other comprehensive income (loss) before reclassifications, tax 5 (1) 2
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax 0 0 0
Pension and Postretirement Benefits      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     (622)
Other comprehensive income (loss) before reclassifications, after tax 13 22 41
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax 1 318 63
Other comprehensive income (loss) 14 340 104
Amounts attributable to noncontrolling interests (2) (28) (5)
Purchase of CNA shares     (10)
Other (3)  
Other comprehensive income (loss) before reclassifications, tax (4) (6) (10)
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax 1 (86) (18)
Foreign Currency Translation      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period     (200)
Other comprehensive income (loss) before reclassifications, after tax 144 (102) 60
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax
Other comprehensive income (loss) 144 (102) 60
Amounts attributable to noncontrolling interests (12) 8 (5)
Purchase of CNA shares     (4)
Other  
Other comprehensive income (loss) before reclassifications, tax 0 1 0
Reclassification of (gains) losses from accumulated other comprehensive income (loss), tax 0 0 0
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (1,867) (2,497) (3,320)
Other comprehensive income (loss) 801 630 884
Balance at end of period (1,067) (1,867) (2,497)
Net Unrealized Gains (Losses) on Investments with an Allowance for Credit Losses      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (13) (12)  
Balance at end of period (15) (13) (12)
Net Unrealized Gains (Losses) on Other Investments      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (1,720) (1,483)  
Balance at end of period (907) (1,720) (1,483)
Cumulative impact of changes in discount rates used to measure long duration contracts      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 324 (329)  
Balance at end of period 176 324 (329)
Unrealized Gains (Losses) on Cash Flow Hedges      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 9 9  
Balance at end of period 2 9 9
Pension and Postretirement Benefits      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (224) (533)  
Balance at end of period (212) (224) (533)
Foreign Currency Translation      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (243) (149)  
Balance at end of period $ (111) $ (243) $ (149)
v3.25.4
Shareholders' Equity - Common Stock Dividends, Stock Purchases and Stock Issuances (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Common Stock Dividends      
Dividends declared (in dollars per share) $ 0.25 $ 0.25 $ 0.25
Dividends paid (in dollars per share) $ 0.25 $ 0.25 $ 0.25
Stock Purchases      
Purchases of treasury stock (in shares) 8.9 7.7 14.0
Purchases of treasury stock $ 789 $ 617 $ 852
Treasury stock, retired (in shares) 9.1    
Number of shares of common stock issued to settle stock-based compensation awards 0.2 0.3 0.2
CNA Financial      
Stock Purchases      
Number of stocks purchased during period (in shares)     4.5
Value of stocks purchased during period     $ 178
v3.25.4
Revenue from Contracts with Customers - Disaggregation of Revenues (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenues      
Revenues from contracts with customers $ 3,174 $ 2,893 $ 2,360
Other revenues 105 98 95
Operating revenues and other 3,279 2,991 2,455
Deferred Revenue      
Revenue recognized 1,400 1,500  
Contract Costs      
Capitalized contract cost 3,220 3,525  
Amortization of contract costs 1,200    
Adjustments to deferred costs 0 0  
Receivables      
Receivables from Contracts with Customers      
Receivables from contracts with customers 252 240  
Other liabilities      
Deferred Revenue      
Deferred revenue 4,200 4,600  
Deferred Non-insurance Warranty Acquisition Expenses      
Contract Costs      
Capitalized contract cost 3,200 3,500  
CNA Financial      
Disaggregation of Revenues      
Operating revenues and other 36 34 30
CNA Financial | Non-insurance warranty – CNA Financial      
Disaggregation of Revenues      
Revenues from contracts with customers 1,577 1,609 1,624
Boardwalk Pipelines      
Disaggregation of Revenues      
Operating revenues and other 2,310 2,033 1,625
Boardwalk Pipelines | Transportation and storage of natural gas and NGLs and ethane supply and transportation services – Boardwalk Pipelines      
Disaggregation of Revenues      
Revenues from contracts with customers 2,263 1,987 1,582
Loews Hotels & Co      
Disaggregation of Revenues      
Operating revenues and other 933 924 800
Loews Hotels & Co | Lodging and related services – Loews Hotels & Co      
Disaggregation of Revenues      
Revenues from contracts with customers $ 911 $ 906 $ 778
v3.25.4
Revenue from Contracts with Customers - Performance Obligations (Details)
$ in Billions
Dec. 31, 2025
USD ($)
Disaggregation of Revenue [Line Items]  
Remaining performance obligations $ 23.6
Boardwalk Pipelines  
Disaggregation of Revenue [Line Items]  
Remaining performance obligations 9.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Disaggregation of Revenue [Line Items]  
Remaining performance obligations $ 2.9
Expected timing of satisfaction 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01  
Disaggregation of Revenue [Line Items]  
Remaining performance obligations $ 2.3
Expected timing of satisfaction 1 year
v3.25.4
Statutory Accounting Practices (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statutory Accounting Practices [Abstract]      
Increase in statutory capital and surplus $ 45 $ 55  
Settlements   367  
Combined Continental Casualty Companies      
Statutory Accounting Practices [Abstract]      
Allowable dividends payable without prior supervisory approval 1,300    
Dividends paid 1,100    
Statutory Capital and Surplus 11,578 11,165  
Statutory Net Income $ 1,258 713 $ 1,172
Settlements   $ 293  
v3.25.4
Benefit Plans - Weighted Average Assumptions Used to Determine Benefit Obligations (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]      
Eligible age for several postretirement benefit plans 55 years    
Eligible age for Medicare benefits 65 years    
Pension Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 5.10% 5.40% 5.00%
Interest crediting rate 4.40% 4.30% 4.50%
Pension Benefits | Minimum      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Rate of compensation increase 0.00% 0.00% 0.00%
Pension Benefits | Maximum      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Rate of compensation increase 5.00% 4.50% 3.50%
Other Postretirement Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 5.30% 5.50% 5.10%
Interest crediting rate
v3.25.4
Benefit Plans - Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 5.40% 5.00% 5.20%
Expected long-term rate of return on plan assets 6.20% 6.10% 6.20%
Interest crediting rate 4.30% 4.50% 3.50%
Pension Benefits | Minimum      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Rate of compensation increase 0.00% 0.00% 0.00%
Pension Benefits | Maximum      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Rate of compensation increase 4.50% 3.50% 3.80%
Other Postretirement Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 5.50% 5.10% 5.40%
Expected long-term rate of return on plan assets 3.40% 3.30% 3.00%
v3.25.4
Benefit Plans - Assumed Health Care Cost Trend Rates (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Minimum      
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]      
Health care cost trend rate assumed for next year 4.00% 4.00% 4.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) 4.00% 4.00% 4.00%
Year that the rate reaches the ultimate trend rate 2026 2025 2024
Maximum      
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]      
Health care cost trend rate assumed for next year 7.00% 8.00% 7.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) 5.30% 5.50% 5.50%
Year that the rate reaches the ultimate trend rate 2033 2029 2028
v3.25.4
Benefit Plans - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
USD ($)
participant
Dec. 31, 2023
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Eligible age for several postretirement benefit plans 55 years    
Eligible age for Medicare benefits 65 years    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Settlement Gain (Loss), Statement Of Income Or Comprehensive Income Extensible List Not Disclosed   true  
Pre-tax pension settlement charge   $ 367  
Pension settlement charge, after tax and noncontrolling interests   265  
Unrecognized losses included in AOCI, before-tax     $ 47
Unrecognized losses included in AOCI, after-tax     37
Parent Company | Retirees and Certain Participants      
Defined Benefit Plan Disclosure [Line Items]      
Payment for settlement     66
Parent Company | Certain Other Participants      
Defined Benefit Plan Disclosure [Line Items]      
Payment for settlement     34
CNA Employee Retirement Plan      
Defined Benefit Plan Disclosure [Line Items]      
Payment for settlement   $ 1,000 80
Number of plan participants and beneficiaries | participant   7,600  
Defined benefit plan, plan participants and beneficiaries, percentage   60.00%  
Reduction in projected benefit obligation     $ 86
v3.25.4
Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Settlements   $ 367  
Pension Benefits      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost $ 2 2 $ 2
Interest cost 45 96 110
Expected return on plan assets (60) (119) (125)
Amortization of unrecognized net loss 7 29 35
Amortization of unrecognized prior service benefit
Settlements 1 372 48
Regulatory asset decrease 1
Net periodic (benefit) cost (4) 380 70
Other Postretirement Benefits      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost
Interest cost 2 2 2
Expected return on plan assets (3) (3) (3)
Amortization of unrecognized net loss 1 1 1
Amortization of unrecognized prior service benefit (2)
Settlements 3
Regulatory asset decrease
Net periodic (benefit) cost $ 1 $ 0 $ 0
v3.25.4
Benefit Plans - Reconciliation of Benefit Obligations and Plan Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension Benefits      
Change in benefit obligation [Roll Forward]      
Benefit obligation, beginning balance $ 857 $ 1,991  
Service cost 2 2 $ 2
Interest cost 45 96 110
Plan participants’ contributions  
Amendments  
Actuarial (gain) loss 18 (29)  
Benefits paid from plan assets (58) (149)  
Settlements (9) (1,052)  
Foreign exchange 5 (2)  
Benefit obligation, ending balance 860 857 1,991
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning balance 1,004 2,074  
Actual return on plan assets 96 120  
Company contributions 14 13  
Plan participants' contributions  
Benefits paid from plan assets (58) (149)  
Settlements (9) (1,052)  
Foreign exchange 6 (2)  
Fair value of plan assets, ending balance 1,053 1,004 2,074
Funded status 193 147  
Other Postretirement Benefits      
Change in benefit obligation [Roll Forward]      
Benefit obligation, beginning balance 31 34  
Service cost
Interest cost 2 2 2
Plan participants’ contributions 1 2  
Amendments 8  
Actuarial (gain) loss 2  
Benefits paid from plan assets (7) (7)  
Settlements  
Foreign exchange  
Benefit obligation, ending balance 37 31 34
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning balance 83 83  
Actual return on plan assets 5 3  
Company contributions 3 2  
Plan participants' contributions 1 2  
Benefits paid from plan assets (7) (7)  
Settlements  
Foreign exchange  
Fair value of plan assets, ending balance 85 83 $ 83
Funded status $ 48 $ 52  
v3.25.4
Benefit Plans - Amounts Recognized in the Consolidated Balance Sheets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Pension Benefits    
Amounts recognized in the Consolidated Balance Sheets consist of [Abstract]    
Other assets $ 332 $ 283
Other liabilities (139) (136)
Net amount recognized 193 147
Other Postretirement Benefits    
Amounts recognized in the Consolidated Balance Sheets consist of [Abstract]    
Other assets 56 61
Other liabilities (8) (9)
Net amount recognized $ 48 $ 52
v3.25.4
Benefit Plans - Amounts Not Yet Recognized in Net Periodic (Benefit) Cost (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Pension Benefits    
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]    
Prior service credit $ 1 $ 1
Net actuarial loss 216 241
Net amount recognized 217 242
Other Postretirement Benefits    
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]    
Prior service credit 9
Net actuarial loss (2) 2
Net amount recognized $ 7 $ 2
v3.25.4
Benefit Plans - Plans With Projected and Accumulated Benefit Obligations in Excess of Plan Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan, Additional Information [Abstract]    
Accumulated benefit obligation for all defined benefit pension plans $ 856 $ 854
Future capital calls from various third party limited partnership investments $ 86  
Defined Benefit Plan, Equity Securities | Minimum    
Defined Benefit Plan, Additional Information [Abstract]    
Target allocation of plan assets invested in equity securities and limited partnerships (as a percent) 0.00%  
Defined Benefit Plan, Equity Securities | Maximum    
Defined Benefit Plan, Additional Information [Abstract]    
Target allocation of plan assets invested in equity securities and limited partnerships (as a percent) 40.00%  
Pension Benefits    
Information for plans with projected and accumulated benefit obligations in excess of plan assets:    
Projected benefit obligation $ 139 136
Accumulated benefit obligation 139 136
Fair value of plan assets 0 0
Defined Benefit Plan, Additional Information [Abstract]    
Actuarial gain (loss) (18) 29
Other Postretirement Benefits    
Information for plans with projected and accumulated benefit obligations in excess of plan assets:    
Projected benefit obligation
Accumulated benefit obligation 8 9
Fair value of plan assets
Defined Benefit Plan, Additional Information [Abstract]    
Actuarial gain (loss) $ (2)
v3.25.4
Benefit Plans - Estimated Future Minimum Benefit Payments (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Pension Benefits  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]  
2026 $ 85
2027 80
2028 76
2029 73
2030 71
2031 – 2035 310
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]  
Expected contributions in 2026 19
Other Postretirement Benefits  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]  
2026 4
2027 4
2028 3
2029 4
2030 3
2031 – 2035 11
Postretirement Healthcare and Life Insurance Benefit Plans  
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]  
Expected contributions in 2026 $ 1
v3.25.4
Benefit Plans - Pension Plan Assets Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Limited Partnership Investments [Abstract]      
Percentage of carrying value of investments in private debt and equity 99.00% 99.00%  
Percentage of carrying value of investments employing hedge fund strategies 1.00% 1.00%  
Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets $ 0 $ 0  
Hedge funds, equity related      
Limited Partnership Investments [Abstract]      
Percentage of carrying value of investments in limited partnerships 100.00%    
Hedge funds, multi-strategy approach hedge funds      
Limited Partnership Investments [Abstract]      
Percentage of carrying value of investments in limited partnerships 0.00%    
Hedge funds, distressed investments      
Limited Partnership Investments [Abstract]      
Percentage of carrying value of investments in limited partnerships 0.00%    
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets $ 1,053 1,004 $ 2,074
Pension Benefits | Total      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 760 700  
Pension Benefits | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 122 143  
Pension Benefits | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 626 544  
Pension Benefits | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 12 13  
Pension Benefits | Total fixed maturities      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 599 540  
Pension Benefits | Total fixed maturities | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 0 0  
Pension Benefits | Total fixed maturities | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 587 527  
Pension Benefits | Total fixed maturities | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 12 13  
Pension Benefits | Corporate bonds and other      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 477 413  
Pension Benefits | Corporate bonds and other | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Corporate bonds and other | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 473 408  
Pension Benefits | Corporate bonds and other | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 4 5  
Pension Benefits | States, municipalities and political subdivisions      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 11 6  
Pension Benefits | States, municipalities and political subdivisions | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | States, municipalities and political subdivisions | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 11 6  
Pension Benefits | States, municipalities and political subdivisions | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Asset-backed      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 111 121  
Pension Benefits | Asset-backed | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Asset-backed | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 103 113  
Pension Benefits | Asset-backed | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 8 8  
Pension Benefits | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 71 59  
Pension Benefits | Equity securities | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 35 44  
Pension Benefits | Equity securities | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 36 15  
Pension Benefits | Equity securities | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Short-term investments      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 56 59  
Pension Benefits | Short-term investments | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 56 59  
Pension Benefits | Short-term investments | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Short-term investments | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Fixed income mutual funds      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 31 40  
Pension Benefits | Fixed income mutual funds | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 31 40  
Pension Benefits | Fixed income mutual funds | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Fixed income mutual funds | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Other assets      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 3 2  
Pension Benefits | Other assets | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Other assets | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets 3 2  
Pension Benefits | Other assets | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets  
Pension Benefits | Limited partnerships      
Defined Benefit Plan Disclosure [Line Items]      
Total plan assets $ 293 $ 304  
Defined Benefit Plan, Plan Assets, Fair Value by Hierarchy and NAV [Extensible Enumeration] Fair Value Measured at Net Asset Value Per Share [Member] Fair Value Measured at Net Asset Value Per Share [Member]  
v3.25.4
Benefit Plans - Other Postretirement Benefit Plan Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Level 3      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets $ 0 $ 0  
Other Postretirement Benefits      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 85 83 $ 83
Other Postretirement Benefits | Total | Total assets      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 86 101  
Other Postretirement Benefits | Total | Total fixed maturities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 78 84  
Other Postretirement Benefits | Total | Corporate bonds and other      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 45 48  
Other Postretirement Benefits | Total | States, municipalities and political subdivisions      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 32 35  
Other Postretirement Benefits | Total | Asset-backed      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 1 1  
Other Postretirement Benefits | Total | Short-term investments      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 6 2  
Other Postretirement Benefits | Total | Fixed income mutual funds      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 2 15  
Other Postretirement Benefits | Total | Other liabilities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets (1) (18)  
Other Postretirement Benefits | Level 1 | Total assets      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 8 17  
Other Postretirement Benefits | Level 1 | Total fixed maturities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 0 0  
Other Postretirement Benefits | Level 1 | Corporate bonds and other      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 1 | States, municipalities and political subdivisions      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 1 | Asset-backed      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 1 | Short-term investments      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 6 2  
Other Postretirement Benefits | Level 1 | Fixed income mutual funds      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 2 15  
Other Postretirement Benefits | Level 1 | Other liabilities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets (1) (18)  
Other Postretirement Benefits | Level 2 | Total assets      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 78 84  
Other Postretirement Benefits | Level 2 | Total fixed maturities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 78 84  
Other Postretirement Benefits | Level 2 | Corporate bonds and other      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 45 48  
Other Postretirement Benefits | Level 2 | States, municipalities and political subdivisions      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 32 35  
Other Postretirement Benefits | Level 2 | Asset-backed      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 1 1  
Other Postretirement Benefits | Level 2 | Short-term investments      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 2 | Fixed income mutual funds      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 2 | Other liabilities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | Total assets      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 0 0  
Other Postretirement Benefits | Level 3 | Total fixed maturities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets 0 0  
Other Postretirement Benefits | Level 3 | Corporate bonds and other      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | States, municipalities and political subdivisions      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | Asset-backed      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | Short-term investments      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | Fixed income mutual funds      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
Other Postretirement Benefits | Level 3 | Other liabilities      
Other Postretirement Benefits Plan Assets Measured at Fair Value on a Recurring Basis [Abstract]      
Total plan assets  
v3.25.4
Benefit Plans - Savings Plans and Stock-based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-based Payment Arrangement, Disclosure [Abstract]      
Company matching contributions to savings plans $ 119 $ 110 $ 103
Compensation expense $ 41 $ 39 $ 36
RSUs and PSUs      
Share-based Payment Arrangement, Disclosure [Abstract]      
Number of shares received (in shares) 1    
Number of shares granted (in shares) 136,092    
Weighted average grant date fair value (in dollars per share) $ 84.92    
RSUs and PSUs | Second Anniversary of the Grant Date      
Share-based Payment Arrangement, Disclosure [Abstract]      
Vesting percentage 50.00%    
RSUs and PSUs | Third Anniversary of the Grant Date      
Share-based Payment Arrangement, Disclosure [Abstract]      
Vesting percentage 50.00%    
SARs      
Share-based Payment Arrangement, Disclosure [Abstract]      
Vesting period 7 years    
Expiration period 10 years    
Number of shares outstanding (in shares) 1,237,500    
Weighted average exercise price (in dollars per share) $ 161.11    
Common Stock      
Share-based Payment Arrangement, Disclosure [Abstract]      
Number of shares granted (in shares) 5,462    
Weighted average grant date fair value (in dollars per share) $ 100.12    
RSUs      
Share-based Payment Arrangement, Disclosure [Abstract]      
Number of shares forfeited (in shares) 0    
2025 Loews Plan      
Share-based Payment Arrangement, Disclosure [Abstract]      
Number of shares authorized (in shares) 6,000,000    
2025 Loews Plan | Maximum      
Share-based Payment Arrangement, Disclosure [Abstract]      
Number of shares authorized (in shares) 1,773,495    
v3.25.4
Reinsurance - Receivables from Reinsurers (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Reinsurance receivables related to insurance reserves:    
Ceded claim and claim adjustment expenses $ 5,982 $ 5,713
Reinsurance receivables related to paid losses 426 359
Reinsurance receivables 6,408 6,072
Less allowance for doubtful accounts 27 21
Reinsurance receivables, net of allowance for doubtful accounts $ 6,381 $ 6,051
v3.25.4
Reinsurance - Voluntary Reinsurance Receivables by Financial Strength (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables $ 5,840  
Reinsurance collateral 3,800 $ 3,400
Subsidiaries of Berkshire Hathaway Insurance Group    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables 1,900  
Cavello Bay Reinsurance Limited    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables 466  
Gateway Rivers Insurance Company    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables 390  
A- to A++    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables 4,864  
B- to B++    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables 967  
Insolvent    
Voluntary Reinsurance Receivables [Abstract]    
Voluntary reinsurance receivables $ 9  
v3.25.4
Reinsurance - Effects of Reinsurance on Earned Premiums (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Premiums Earned, Net [Abstract]      
Direct $ 15,357 $ 15,025 $ 14,315
Assumed 293 293 267
Ceded 4,750 5,107 5,102
Net $ 10,900 $ 10,211 $ 9,480
Assumed/Net % 2.70% 2.90% 2.80%
Direct and ceded earned premiums $ 2,300 $ 2,700 $ 2,900
Reinsurance percentage 100.00%    
Reinsurance recoveries $ 2,900 3,500 2,800
Significant Third Party Captive Program      
Premiums Earned, Net [Abstract]      
Reinsurance recoveries 1,300 1,700 1,500
Property and casualty      
Premiums Earned, Net [Abstract]      
Direct 14,974 14,629 13,908
Assumed 253 252 223
Ceded 4,750 5,107 5,102
Net $ 10,477 $ 9,774 $ 9,029
Assumed/Net % 2.40% 2.60% 2.50%
Long-term care      
Premiums Earned, Net [Abstract]      
Direct $ 383 $ 396 $ 407
Assumed 40 41 44
Ceded
Net $ 423 $ 437 $ 451
Assumed/Net % 9.50% 9.40% 9.80%
v3.25.4
Legal Proceedings (Details)
$ in Millions
Nov. 12, 2021
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Trial Court, plaintiff award $ 690
Trial Court, plaintiff award, plus pre-judgement interest $ 166
v3.25.4
Commitments and Contingencies (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Capital Addition Purchase Commitments  
Commitments and Contingencies [Abstract]  
Purchase commitment, remaining minimum amount committed $ 355
CNA Financial  
Commitments and Contingencies [Abstract]  
Potential amount of future payments under guarantees $ 1,900
v3.25.4
Segments (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Hotel
segment
subsidiary
mi
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Segments:      
Number of reportable segments | segment 4    
Number of individual operating subsidiaries | subsidiary 3    
Number of miles of natural gas and natural gas liquid pipelines | mi 14,275    
Number of hotels | Hotel 27    
Revenues:      
Insurance premiums $ 10,900 $ 10,211 $ 9,480
Net investment income 2,779 2,780 2,395
Investment gains (losses) (81) (81) (53)
Non-insurance warranty revenue 1,577 1,609 1,624
Operating revenues and other 3,279 2,991 2,455
Total 18,454 17,510 15,901
Expenses:      
Insurance claims and policyholders’ benefits 8,294 7,738 7,068
Amortization of deferred acquisition costs 1,898 1,798 1,644
Non-insurance warranty expense 1,526 1,547 1,544
Operating expenses and other 4,090 4,170 3,393
Equity method (income) loss (74) (58) (120)
Interest 437 441 376
Total 16,171 15,636 13,905
Income before income tax 2,283 1,874 1,996
Income tax expense (511) (380) (451)
Net income 1,772 1,494 1,545
Amounts attributable to noncontrolling interests (105) (80) (111)
Net income attributable to Loews Corporation 1,667 1,414 1,434
Assets:      
Assets 86,348 81,943  
Total pretax unfavorable development 185 48 48
Pre-tax pension settlement charge   367  
Operating Expenses and Other:      
Insurance related administrative expenses 1,349 1,275 1,251
Operating expenses and other 1,389 1,213 880
Depreciation and amortization 545 524 482
Other 807 1,158 780
Operating expenses and other 4,090 4,170 3,393
Property and casualty      
Revenues:      
Insurance premiums 10,477 9,774 9,029
Assets:      
Total pretax unfavorable development 51 (31) (23)
CNA Financial      
Revenues:      
Insurance premiums 10,900 10,211 9,480
Net investment income 2,557 2,497 2,264
Investment gains (losses) (81) (81) (99)
Non-insurance warranty revenue 1,577 1,609 1,624
Operating revenues and other 36 34 30
Total 14,989 14,270 13,299
Expenses:      
Insurance claims and policyholders’ benefits 8,294 7,738 7,068
Amortization of deferred acquisition costs 1,898 1,798 1,644
Non-insurance warranty expense 1,526 1,547 1,544
Operating expenses and other 1,516 1,843 1,398
Equity method (income) loss
Interest 135 133 127
Total 13,369 13,059 11,781
Income before income tax 1,620 1,211 1,518
Income tax expense (342) (252) (313)
Net income 1,278 959 1,205
Amounts attributable to noncontrolling interests (105) (80) (111)
Net income attributable to Loews Corporation 1,173 879 1,094
Assets:      
Assets 69,381 66,434  
Operating Expenses and Other:      
Insurance related administrative expenses 1,349 1,275 1,251
Operating expenses and other
Depreciation and amortization
Other 167 568 147
Operating expenses and other 1,516 1,843 1,398
CNA Financial | Property and casualty      
Assets:      
Loss from catastrophes 240 358 236
Total pretax unfavorable development 185 48 48
Boardwalk Pipelines      
Revenues:      
Insurance premiums
Net investment income 14 32 11
Investment gains (losses)
Non-insurance warranty revenue
Operating revenues and other 2,310 2,033 1,625
Total 2,324 2,065 1,636
Expenses:      
Insurance claims and policyholders’ benefits
Amortization of deferred acquisition costs
Non-insurance warranty expense
Operating expenses and other 1,579 1,377 1,108
Equity method (income) loss
Interest 161 183 155
Total 1,740 1,560 1,263
Income before income tax 584 505 373
Income tax expense (140) (92) (90)
Net income 444 413 283
Amounts attributable to noncontrolling interests
Net income attributable to Loews Corporation 444 413 283
Assets:      
Assets 10,586 9,853  
Operating Expenses and Other:      
Insurance related administrative expenses
Operating expenses and other 800 633 395
Depreciation and amortization 443 429 412
Other 336 315 301
Operating expenses and other 1,579 1,377 1,108
Loews Hotels & Co      
Revenues:      
Insurance premiums
Net investment income 12 9 6
Investment gains (losses) 46
Non-insurance warranty revenue
Operating revenues and other 933 924 800
Total 945 933 852
Expenses:      
Insurance claims and policyholders’ benefits
Amortization of deferred acquisition costs
Non-insurance warranty expense
Operating expenses and other 926 873 767
Equity method (income) loss (102) (86) (129)
Interest 69 51 14
Total 893 838 652
Income before income tax 52 95 200
Income tax expense (21) (25) (53)
Net income 31 70 147
Amounts attributable to noncontrolling interests
Net income attributable to Loews Corporation 31 70 147
Assets:      
Assets 2,487 2,498  
Operating Expenses and Other:      
Insurance related administrative expenses
Operating expenses and other 589 580 485
Depreciation and amortization 100 93 69
Other 237 200 213
Operating expenses and other $ 926 873 767
Loews Hotels & Co | Loews Hotels & Co      
Segments:      
Number of hotels | Hotel 11    
Loews Hotels & Co | Joint Ventures      
Segments:      
Number of hotels | Hotel 15    
Loews Hotels & Co | Unaffiliated Owners      
Segments:      
Number of hotels | Hotel 1    
Corporate      
Revenues:      
Insurance premiums
Net investment income 196 242 114
Investment gains (losses)
Non-insurance warranty revenue
Operating revenues and other
Total 196 242 114
Expenses:      
Insurance claims and policyholders’ benefits
Amortization of deferred acquisition costs
Non-insurance warranty expense
Operating expenses and other 69 77 120
Equity method (income) loss 28 28 9
Interest 72 74 80
Total 169 179 209
Income before income tax 27 63 (95)
Income tax expense (8) (11) 5
Net income 19 52 (90)
Amounts attributable to noncontrolling interests
Net income attributable to Loews Corporation 19 52 (90)
Assets:      
Assets 3,894 3,158  
Operating Expenses and Other:      
Insurance related administrative expenses
Operating expenses and other
Depreciation and amortization 2 2 1
Other 67 75 119
Operating expenses and other $ 69 $ 77 $ 120
v3.25.4
Schedule I - Condensed Financial Information of Registrant, Balance Sheets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Assets:    
Investments in securities $ 55,376 $ 51,130
Other assets 4,244 4,181
Total assets 86,348 81,943
Liabilities and Equity:    
Long-term debt 8,437 8,939
Total liabilities 66,707 64,006
Shareholders’ equity 18,686 17,066
Total liabilities and equity 86,348 81,943
Loews Corporation    
Assets:    
Current assets, principally investment in short-term instruments 2,676 2,222
Investments in securities 1,245 1,170
Investments in capital stocks of subsidiaries, at equity 16,673 15,623
Other assets 95 95
Total assets 20,689 19,110
Liabilities and Equity:    
Current liabilities 597 143
Long-term debt 1,286 1,785
Deferred income tax and other 120 116
Total liabilities 2,003 2,044
Shareholders’ equity 18,686 17,066
Total liabilities and equity $ 20,689 $ 19,110
v3.25.4
Schedule I - Condensed Financial Information of Registrant, Statements of Operations and Comprehensive Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenues:      
Total $ 18,454 $ 17,510 $ 15,901
Expenses:      
Interest 437 441 376
Total 16,171 15,636 13,905
Income before income tax 2,283 1,874 1,996
Income tax (expense) benefit (511) (380) (451)
Net income 1,772 1,494 1,545
Total comprehensive income attributable to Loews Corporation 2,468 2,044 2,318
Loews Corporation      
Revenues:      
Equity in income of subsidiaries 1,614 1,328 1,501
Net investment income, interest and other 214 261 131
Total 1,828 1,589 1,632
Expenses:      
Administrative 68 76 119
Interest 75 75 80
Total 143 151 199
Income before income tax 1,685 1,438 1,433
Income tax (expense) benefit (18) (24) 1
Net income 1,667 1,414 1,434
Equity in other comprehensive income of subsidiaries 801 630 884
Total comprehensive income attributable to Loews Corporation $ 2,468 $ 2,044 $ 2,318
v3.25.4
Schedule I - Condensed Financial Information of Registrant, Statements of Cash Flows (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Activities:      
Net income $ 1,772 $ 1,494 $ 1,545
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:      
Equity method investees 9 (66) 18
Provision (benefit) for deferred income taxes 112 (45) 127
Changes in operating assets and liabilities, net:      
Receivables (408) (929) (268)
Trading securities (413) (695) 577
Net cash flow provided by operating activities 3,279 3,025 3,907
Investing Activities:      
Change in investments, primarily short-term (920) (30) (80)
Purchases of equity securities (593) (444) (293)
Purchases of limited partnership investments (447) (335) (402)
Other (82) 9 (178)
Net cash flow used by investing activities (2,828) (1,975) (2,745)
Financing Activities:      
Dividends paid (52) (55) (57)
Purchases of treasury shares (806) (608) (849)
Payment of debt (869) (1,366) (878)
Other (67) (58) (18)
Net cash flow used by financing activities (513) (898) (1,300)
Net change in cash (46) 142 (133)
Cash, beginning of year 541 399 532
Cash, end of year 495 541 399
Loews Corporation      
Operating Activities:      
Net income 1,667 1,414 1,434
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:      
Equity method investees (268) (67) (512)
Provision (benefit) for deferred income taxes 2 4 (4)
Changes in operating assets and liabilities, net:      
Receivables (3) (6) 10
Accounts payable and accrued liabilities 14 (12) (9)
Trading securities (414) (695) 576
Other, net 31 2 109
Net cash flow provided by operating activities 1,029 640 1,604
Investing Activities:      
Investments in and advances to subsidiaries (1) 2 (217)
Change in investments, primarily short-term (50) 27 29
Purchases of equity securities (20)
Purchases of limited partnership investments (88)
Other (11)
Net cash flow used by investing activities (159) 29 (199)
Financing Activities:      
Dividends paid (52) (55) (57)
Purchases of treasury shares (806) (608) (849)
Payment of debt (500)
Other (13) (4) (5)
Net cash flow used by financing activities (871) (667) (1,411)
Net change in cash (1) 2 (6)
Cash, beginning of year 6 4 10
Cash, end of year 5 6 4
Cash dividends paid to Company by affiliates $ 1,500 $ 1,300 $ 1,000
v3.25.4
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Supplemental Information Concerning Property and Casualty Insurance Operations [Abstract]      
Deferred acquisition costs $ 986 $ 959  
Reserves for unpaid claim and claim adjustment expenses 26,599 24,976  
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 6.5%) 583 615  
Unearned premiums 7,635 7,346  
Net written premiums 11,101 10,605 $ 9,892
Net earned premiums 10,900 10,211 9,480
Net investment income 2,467 2,396 2,163
Incurred claim and claim adjustment expenses related to current year 6,724 6,330 5,667
Incurred claim and claim adjustment expenses related to prior years 189 42 48
Amortization of deferred acquisition costs 1,898 1,798 1,644
Paid claim and claim adjustment expenses $ 5,774 $ 5,189 $ 4,601
Minimum      
Supplemental Information Concerning Property and Casualty Insurance Operations [Abstract]      
Interest rate at which discount computed 3.50% 3.50%  
Maximum      
Supplemental Information Concerning Property and Casualty Insurance Operations [Abstract]      
Interest rate at which discount computed 6.50% 6.50%