OWENS CORNING, 10-Q filed on 5/7/2025
Quarterly Report
v3.25.1
DOCUMENT AND ENTITY INFORMATION - shares
 3 Months Ended
Mar. 31, 2025
May 02, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 1-33100  
Entity Registrant Name Owens Corning  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 43-2109021  
Entity Address, Address Line One One Owens Corning Parkway  
Entity Address, City or Town Toledo  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43659  
City Area Code 419  
Local Phone Number 248-8000  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol OC  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock Shares Outstanding   85,052,530
Entity Central Index Key 0001370946  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false  
v3.25.1
CONSOLIDATED STATEMENTS OF EARNINGS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Statement [Abstract]    
NET SALES $ 2,530 $ 2,017
COST OF SALES 1,805 1,389
Gross margin 725 628
OPERATING EXPENSES    
Marketing and administrative expenses 261 190
Science and technology expenses 35 27
Other expense, net 22 35
Total operating expenses 318 252
OPERATING INCOME 407 376
Non-operating expense 0 0
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES 407 376
Interest expense, net 64 16
EARNINGS FROM CONTINUING OPERATIONS BEFORE TAXES 343 360
Income tax expense 88 83
NET EARNINGS FROM CONTINUING OPERATIONS 255 277
Net loss attributable to non-redeemable and redeemable noncontrolling interests 0 (1)
NET EARNINGS FROM CONTINUING OPERATIONS ATTRIBUTABLE TO OWENS CORNING 255 278
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax (348) 21
NET (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING (93) 299
Net loss attributable to non-redeemable and redeemable noncontrolling interests 0 (1)
Net (loss) earnings $ (93) $ 298
(LOSS) EARNINGS PER COMMON SHARE ATTRIBUTABLE TO OWENS CORNING COMMON STOCKHOLDERS    
Basic - continuing operations (in dollars per share) $ 2.97 $ 3.18
Basic - discontinued operations (in dollars per share) (4.05) 0.24
Basic (in dollars per share) (1.08) 3.42
Diluted - continuing operations (in dollars per share) 2.95 3.16
Diluted - discontinued operations (in dollars per share) (4.03) 0.24
Diluted (in dollars per share) $ (1.08) $ 3.40
v3.25.1
CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Statement of Comprehensive Income [Abstract]    
Net (loss) earnings $ (93) $ 298
Other comprehensive income (loss), net of tax:    
Currency translation adjustment (net of tax of $0 and $0 for the three months ended March 31, 2025 and 2024, respectively) 75 (42)
Pension and other postretirement adjustment (net of tax of $0 and $0 for the three months ended March 31, 2025 and 2024, respectively) (3) 0
Hedging adjustment (net of tax of $0 and $(2) for the three months ended March 31, 2025 and 2024, respectively) 1 5
Other comprehensive income (loss), net of tax 73 (37)
COMPREHENSIVE (LOSS) EARNINGS (20) 261
Comprehensive loss attributable to non-redeemable and redeemable noncontrolling interests 0 (2)
COMPREHENSIVE (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING $ (20) $ 263
v3.25.1
CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Parenthetical) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Statement of Comprehensive Income [Abstract]    
Currency translation tax $ 0 $ 0
Pension and other postretirement adjustment 0 0
Hedging tax $ 0 $ (2)
v3.25.1
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
CURRENT ASSETS    
Cash and cash equivalents $ 400 $ 321
Receivables, less allowance of $3 at March 31, 2025 and $4 at December 31, 2024 1,557 1,140
Inventories 1,407 1,327
Other current assets 145 163
Current assets of discontinued operations 415 427
Total current assets 3,924 3,378
Property, plant and equipment, net 3,859 3,818
Operating lease right-of-use assets 405 411
Goodwill 2,762 2,745
Intangible assets, net 2,660 2,680
Deferred income taxes 11 8
Other non-current assets 429 456
Non-current assets of discontinued operations 216 579
TOTAL ASSETS 14,266 14,075
CURRENT LIABILITIES    
Accounts payable 1,292 1,301
Current operating lease liabilities 83 83
Short-term debt 499 1
Long-term debt - current portion 35 32
Other current liabilities 619 654
Disposal Group, Including Discontinued Operation, Other Liabilities, Current 192 226
Total current liabilities 2,720 2,297
Long-term debt, net of current portion 5,045 5,067
Pension plan liability 43 42
Other employee benefits liability 99 101
Non-current operating lease liabilities 342 348
Deferred income taxes 687 719
Other liabilities 296 286
Non-current liabilities of discontinued operations 110 95
Total liabilities 9,342 8,955
OWENS CORNING STOCKHOLDERS’ EQUITY    
Preferred stock, par value $0.01 per share [1] 0 0
Common stock, par value $0.01 per share [2] 1 1
Additional paid-in capital 4,209 4,228
Accumulated earnings 5,072 5,224
Accumulated other comprehensive deficit (618) (691)
Cost of common stock in treasury [3] (3,782) (3,685)
Total Owens Corning stockholders’ equity 4,882 5,077
Noncontrolling interests 42 43
Total equity 4,924 5,120
TOTAL LIABILITIES AND EQUITY $ 14,266 $ 14,075
[1] 10 shares authorized; none issued or outstanding at March 31, 2025 and December 31, 2024
[2] 400 shares authorized; 135.5 issued and 85.0 outstanding at March 31, 2025; 135.5 issued and 85.4 outstanding at December 31, 2024
[3] 50.5 shares at March 31, 2025 and 50.1 shares at December 31, 2024
v3.25.1
CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 3 $ 4
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 10,000,000 10,000,000
Preferred stock, outstanding (in shares) 0 0
Preferred stock, issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 400,000,000 400,000,000
Common stock, issued (in shares) 135,500,000 135,500,000
Common stock, outstanding (in shares)   85,400,000
Treasury stock (in shares)   50,100,000
v3.25.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Treasury Stock
APIC
Retained Earnings [Member]
AOCI
NCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Treasury stock (in shares)     48.3        
Beginning balance at Dec. 31, 2023 $ 5,185 $ 1 $ (3,292) $ 4,166 $ 4,794 $ (503) $ 19
Common stock, beginning balance (in shares) at Dec. 31, 2023   87.2          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock under share-based payment plans     21 (20)      
Purchases of treasury stock     $ (162)        
Redeemable noncontrolling interest adjustment to redemption value       (1)      
Stock-based compensation expense       14      
Net earnings attributable to Owens Corning 299       299    
Dividends         (52)    
Currency translation adjustment           (41) (1)
Pension and other postretirement adjustment (net of tax)           0  
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax           5  
Dividends distributed to non-redeemable noncontrolling interests             0
Issuance of common stock under share-based payment plans, shares   0.6 (0.6)        
Purchases of treasury stock (shares)   (1.1) 1.1        
Ending balance at Mar. 31, 2024 $ 5,247 $ 1 $ (3,433) 4,159 5,041 (539) 18
Common stock, ending balance (in shares) at Mar. 31, 2024   86.7          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Treasury stock (in shares)     48.8        
Treasury stock (in shares) 50.1   50.1        
Beginning balance at Dec. 31, 2024 $ 5,120 $ 1 $ (3,685) 4,228 5,224 (691) 43
Common stock, beginning balance (in shares) at Dec. 31, 2024 85.4 85.4          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock under share-based payment plans     40 (40)      
Purchases of treasury stock     $ (137)        
Redeemable noncontrolling interest adjustment to redemption value       0      
Stock-based compensation expense       21      
Net earnings attributable to Owens Corning $ (93)       (93)    
Dividends         (59)    
Currency translation adjustment           75 0
Pension and other postretirement adjustment (net of tax)           (3)  
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax           1  
Dividends distributed to non-redeemable noncontrolling interests             (1)
Issuance of common stock under share-based payment plans, shares   0.5 (0.5)        
Purchases of treasury stock (shares)   (0.9) 0.9        
Ending balance at Mar. 31, 2025 $ 4,924 $ 1 $ (3,782) $ 4,209 $ 5,072 $ (618) $ 42
Common stock, ending balance (in shares) at Mar. 31, 2025   85.0          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Treasury stock (in shares)     50.5        
v3.25.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Statement of Stockholders' Equity [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Dividends (dollars per share) $ 0.69 $ 0.60
v3.25.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
NET CASH FLOW (USED FOR) PROVIDED BY OPERATING ACTIVITIES    
Net (loss) earnings $ (93) $ 298
Adjustments to reconcile net (loss) earnings to cash (used for) provided from operating activities:    
Loss on discontinued operations 362 0
Depreciation and amortization 159 131
Deferred income taxes 16 (8)
Stock-based compensation expense 21 14
Other adjustments to reconcile net earnings to cash from operating activities (21) (1)
Changes in operating assets and liabilities (481) (402)
Pension fund contribution (1) (1)
Payments for other employee benefits liabilities (3) (4)
Other (8) (3)
Net cash flow (used for) provided by operating activities (49) 24
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Cash paid for property, plant, and equipment (203) (152)
Proceeds from the sale of assets or affiliates 52 6
Other (8) 0
Net cash flow used for investing activities (159) (146)
NET CASH FLOW PROVIDED BY (USED FOR) FINANCING ACTIVITIES    
Payments on long-term debt (29) 0
Proceeds from commercial paper notes 501 0
Proceeds from senior revolving credit and receivables securitization facilities 329 0
Payments on senior revolving credit and receivables securitization facilities (329) 0
Dividends paid (59) (52)
Purchases of treasury stock (136) (161)
Finance lease payments (11) (10)
Other (2) (11)
Net cash flow provided by (used for) financing activities 264 (234)
Effect of exchange rate changes on cash 23 (5)
Net increase (decrease) in cash, cash equivalents and restricted cash 79 (361)
Cash, cash equivalents and restricted cash at beginning of period 369 1,623
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD 448 1,262
Continuing Operations    
NET CASH FLOW PROVIDED BY (USED FOR) FINANCING ACTIVITIES    
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD 408 1,228
Discontinued Operations    
NET CASH FLOW PROVIDED BY (USED FOR) FINANCING ACTIVITIES    
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD $ 40 $ 34
v3.25.1
GENERAL
 3 Months Ended
Mar. 31, 2025
Accounting Changes and Error Corrections [Abstract]  
GENERAL GENERAL
Unless the context requires otherwise, the terms “Owens Corning,” “Company,” “we” and “our” in this report refer to Owens Corning, a Delaware corporation, and its subsidiaries.
The Consolidated Financial Statements included in this report are unaudited, pursuant to certain rules and regulations of the Securities and Exchange Commission (“SEC”), and include, in the opinion of the Company, normal recurring adjustments necessary for a fair statement of the results for the periods indicated, which, however, are not necessarily indicative of results which may be expected for the full year. The December 31, 2024 balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States (“U.S.”). In connection with the Consolidated Financial Statements and Notes included in this report, reference is made to the Consolidated Financial Statements and Notes contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 (the “2024 Form 10-K”). Certain prior year amounts, have been reclassified in order to conform to the current year presentation. On February 14, 2025, the Company announced the sale of its glass reinforcements business. The transaction represents a strategic shift that has a major effect on the Company's operations and financial results and therefore, beginning with this quarterly report on Form 10-Q for the period ending March 31, 2025, the glass reinforcements financial results are reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented. Unless otherwise specified, these notes to the Consolidated Financial Statements reflect continuing operations. The Consolidated Statements of Cash Flows present cash flows from both continuing and discontinued operations. Please refer to Note 2 of the Consolidated Financial Statements for further information. Due to the reorganization of our reportable segments, prior period information has been recast to align with our new reportable segments. Please refer to Note 3 of the Consolidated Financial Statements for further information.
Acquisition of Masonite International Corporation
On May 15, 2024, the Company acquired all of the outstanding shares of Masonite International Corporation (“Masonite”) at a purchase price of $133.00 per share (the "Arrangement"). Masonite is a leading global designer, manufacturer, marketer and distributor of interior and exterior doors and door systems for residential new construction and residential repair and remodeling. The addition of Masonite's market-leading doors business creates a new growth platform for the Company, strengthening the Company's position in building and construction and expanding its offering of branded residential building products.
Masonite's operating results and preliminary purchase price allocation have been included in the Company's newly established Doors reportable segment from May 15, 2024, the effective date of the Arrangement, within the Consolidated Financial Statements. Please refer to Note 8 of the Consolidated Financial Statements for further information.
Revenue Recognition
As of December 31, 2024, our contract liability balances (for extended warranties, down payments and deposits, collectively) totaled $118 million, of which $12 million was recognized as revenue in the first three months of 2025. As of March 31, 2025, our contract liability balances totaled $123 million.
As of December 31, 2023, our contract liability balances totaled $101 million, of which $15 million was recognized as revenue in the first three months of 2024. As of March 31, 2024, our contract liability balances totaled $101 million.
Cash, Cash Equivalents and Restricted Cash
On the Consolidated Statements of Cash Flows, the total of Cash, cash equivalents and restricted cash includes restricted cash of $8 million as of March 31, 2025 and December 31, 2024. Restricted cash primarily represents amounts received from a counterparty related to its performance assurance on an executory contract. The amounts received from a counterparty are contractually required to be set aside, and the counterparty can exchange the cash for another form of performance assurance at its discretion. These amounts are included in Other current assets on the Consolidated Balance Sheets.
Accounts Receivable
Our customers consist mainly of distributors, home centers, contractors and retailers. Two of our largest customers accounted for 21% and 18%, respectively, of consolidated accounts receivable as of March 31, 2025.
Related Party Transactions
In the first quarter of 2021, a related party relationship was established as a result of a member of the Company’s Board of Directors being named an executive officer of one of the Company’s preexisting suppliers. The related party transactions with this supplier consist of the purchase of raw materials. Purchases from the related party supplier were $25 million and $32 million for the three months ended March 31, 2025 and March 31, 2024, respectively. As of March 31, 2025 and December 31, 2024, amounts due to the related party supplier were $7 million and $3 million, respectively.
Supplier Finance Programs
We review supplier terms and conditions on an ongoing basis, and have negotiated payment terms extensions in recent years in connection with our efforts to reduce working capital and improve cash flow. Separate from those terms extension actions, certain of our subsidiaries have entered into paying agency agreements with third-party administrators. These voluntary supply chain finance programs (collectively, the “Programs”) generally give participating suppliers the ability to sell, or otherwise pledge as collateral, their receivables from the Company to the participating financial institutions, at the sole discretion of both the suppliers and financial institutions. The Company is not a party to the arrangements between the suppliers and the financial institutions. The Company’s obligations to its suppliers, including amounts due and scheduled payment dates, are not impacted by the suppliers’ decisions to sell, or otherwise pledge as collateral, amounts under these arrangements. The Company’s payment terms to the financial institutions, including the timing and amount of payments, are based on the original supplier invoices. One of the Programs includes a parent guarantee to the participating financial institution for a certain U.S. subsidiary that, at the time of the respective program’s inception in 2015, was a guarantor subsidiary of the Company’s credit agreement.
The obligations are presented as Accounts payable within Total current liabilities on the Consolidated Balance Sheets and all activity related to the obligations is presented within operating activities on the Consolidated Statements of Cash Flow.
The Company’s confirmed outstanding obligations under the Programs totaled $234 million and $234 million as of March 31, 2025 and December 31, 2024, respectively. The amounts of invoices paid under the Programs totaled $152 million and $136 million for the three months ended March 31, 2025 and March 31, 2024, respectively.
Pension and Other Postretirement Benefits
The Company sponsors defined benefit pension plans. Under the plans, pension benefits are based on an employees’ years of service and, for certain categories of employees, qualifying compensation. Company contributions to these pension plans are determined by an independent actuary to meet or exceed minimum funding requirements.
The Company maintains healthcare and life insurance benefit plans for certain retired employees and their dependents. The health care plans in the United States are non-funded and pay either (1) stated percentages of covered medically necessary expenses, after subtracting payments by Medicare or other providers and after stated deductibles have been met, or (2) fixed amounts of medical expense reimbursement.
Accounting for pensions and other postretirement benefits involves estimating the cost of benefits to be provided well into the future and attributing that cost over the time period each employee works. To accomplish this, extensive use is made of assumptions about investment returns, discount rates, inflation, mortality, turnover and medical costs.
Accounting Policies
There have been no changes in the significant accounting policies from those that were disclosed in the 2024 Form 10-K.
Accounting Pronouncements
The following table summarizes recent Accounting Standard Updates ("ASU") issued by the Financial Accounting Standards Board ("FASB") that could have an impact on the Company's Consolidated Financial Statements:
StandardDescriptionEffective Date for CompanyEffect on the
Consolidated Financial Statements
ASU 2025-01 "Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40)"The amendment in this update clarifies the effective date of update 2024-03, which is that public business entities are required to adopt the guidance in interim periods within annual reporting periods beginning after December 15, 2027.January 1, 2028We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
ASU 2024-03 "Income Statement – Reporting Comprehensive Income- Expense Disaggregation Disclosures (Subtopic 220-40)"The amendments in this update require disclosure, in the notes to financial statements, of specified information about certain costs and expenses.January 1, 2027We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
ASU 2024-02 "Codification Improvements - Amendments to Remove References to the Concepts Statements"Amendments in this update remove references to various FASB Concepts Statements.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statements.
ASU 2024-01 "Compensation - Stock Compensation" (Topic 718): Scope Application of Profits Interest and Similar Awards"This amendment adds an illustrative example to demonstrate how an entity should apply the scope guidance in paragraph 718-10-15-3 to determine whether profits interest and similar awards should be accounted for in accordance with Topic 718.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statements.
ASU 2023-09 “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”This standard modifies the rate reconciliation and income taxes paid disclosures by requiring consistent categories and greater disaggregation of information in the rate reconciliation, as well as requiring income taxes paid to be disaggregated by jurisdiction.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statement disclosures.
ASU 2023-07 “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”The amendments in this update improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses.January 1, 2024We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statement disclosures.
ASU 2023-06 “Disclosure Improvements”The amendments in this update modify the disclosure or presentation requirements of a variety of TopicsThe effective date for each topic is contingent on future SEC rule setting.We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
v3.25.1
DISCONTINUED OPERATIONS
 3 Months Ended
Mar. 31, 2025
Discontinued Operations and Disposal Groups [Abstract]  
DISCONTINUED OPERATIONS DISCONTINUED OPERATIONS
On February 13, 2025, the Company entered into a definitive agreement ("GR Agreement") for the sale of its glass reinforcements business ("GR") for a purchase price of approximately $436 million, less costs to sell. As of March 31, 2025, the estimated purchase price was $498 million, net of cash, and less costs to sell. The change since signing is due to the changes in customary and transaction-specific price adjustments which are subject to further changes through the date of the final closing adjustments. The purchase price is inclusive of $225 million of promissory notes to be issued to the Company by the purchasers. The GR business, historically part of the Company’s Composites segment, manufactures, fabricates, and sells glass fiber reinforcements for a wide variety of applications in wind energy, infrastructure, industrial, transportation and consumer markets.
During the fourth quarter of 2024, the Company determined that certain asset groups should be tested for recoverability, primarily as a result of the progression of the strategic review of GR. Recoverability of the long-lived assets was measured by comparing the carrying amount of the asset groups to the future net undiscounted cash flows expected to be generated by the asset groups. Specifically for the GR asset group, the Company used an undiscounted cash flow model giving consideration to probability weighted cash flows of differing outcomes of the strategic review. The comparison indicated that one of the asset groups, the GR asset group, was not recoverable.
Fair value of the GR asset group was calculated using a discounted cash flow model and market information obtained through the strategic review to estimate the fair value of the asset group, with weighting applied. As a result of the analysis performed, the Company recorded pre-tax asset impairment charges for the amount by which the carrying value exceeded its fair value of $483 million for the year ended December 31, 2024, which was included in Impairment due to strategic review on the Consolidated Statements of Earnings within our 2024 Form 10-K. These charges include $439 million related to property, plant and equipment, $30 million related to operating lease right-of-use assets and $14 million related to definite-lived intangible assets.
The transaction represents a strategic shift that has a major effect on the Company's operations and financial results and therefore, beginning with this quarterly report on Form 10-Q for the period ending March 31, 2025, GR’s financial results are reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented.
As a result of classifying GR as a discontinued operation, a portion of the Goodwill from our former Composites reporting unit was allocated to the balance sheets of the discontinued operation as of March 31, 2025 and December 31, 2024. As of the date of classification of GR as a discontinued operation, the Company determined the amount of Goodwill to allocate based on the relative fair values of the discontinued operation and the former Composites reporting unit. This resulted in an allocation of $98 million of Goodwill to the discontinued operation.
After allocating Goodwill to the discontinued operation, the Company compared the carrying value of the discontinued operation to the fair value of the discontinued operation, defined as the sale price less estimated selling costs. During the three months ended March 31, 2025, the Company incurred a pre-tax loss on classification as discontinued operations of $362 million. The loss is presented within Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax, on the Consolidated Statements of Earnings. An estimated valuation allowance of $347 million is recorded within Non-current assets of discontinued operations, on the Consolidated Balance Sheets.
The following table summarizes Earnings from discontinued operations attributable to Owens Corning, net of tax included within the Consolidated Statements of Earnings:
  
Three Months Ended March 31,
(In millions)
20252024
NET SALES$270 $283 
COST OF SALES204 231 
OPERATING EXPENSES
Marketing and administrative expenses17 22 
Loss from classification as discontinued operation362 — 
Other expense, net2 3 
Total operating expenses381 25 
Interest expense, net1 1 
Income tax expense32 5 
NET (LOSS) EARNINGS FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX$(348)$21 
Major classes of assets and liabilities of discontinued operations include the following:
(In millions)
March 31, 2025December 31, 2024
ASSETS
CURRENT ASSETS
Cash and cash equivalents$40 $40 
Receivables, less allowance97 104 
Inventories264 260 
Other current assets14 23 
Current assets of discontinued operations415 427 
Property, plant and equipment, net$366 $346 
Goodwill99 98 
Deferred income taxes4 46 
Valuation allowance for discontinued operations(347)— 
Other non-current assets94 89 
Non-current assets of discontinued operations$216 $579 
LIABILITIES
CURRENT LIABILITIES
Accounts payable$114 $129 
Other current liabilities78 97 
Current liabilities of discontinued operations192 226 
Deferred income taxes7 — 
Other liabilities103 95 
Non-current liabilities of discontinued operations$110 $95 
Cash flows related to discontinued operations are included within the Consolidated Statements of Cash Flows. Selected financial information related to cash flows from discontinued operations are below:
  
Three Months Ended March 31,
(In millions)
20252024
Depreciation and amortization$— $23 
Cash paid for property, plant and equipment$21 $19 
ASSETS HELD FOR SALE
On November 4, 2024, the Company entered into a related party agreement to sell its building materials business in China and Korea to a member of the business' management team. At that time, the Company met the assets held for sale criteria. The disposal further aligns with the strategy to reshape the Company to focus on residential and commercial building products in North America and Europe. The transaction includes six insulation manufacturing facilities in China and a roofing manufacturing facility in Korea. The building materials business, within the Insulation segment, represents annual revenues of approximately $130 million.
During the fourth quarter of 2024, the Company reclassified $2 million as held for sale within Other current liabilities on the Consolidated Balance Sheets. The Company also recorded the assets at the fair value less cost to sell, which was less than the carrying value and resulted in an impairment of $91 million primarily related to Property, Plant and Equipment and Goodwill. The impairment was included in Loss on sale of business on the Consolidated Statements of Earnings within the Company's 2024 Form 10-K. The Company estimated the fair value of these assets, less cost to sell, using Level 3 inputs.
During the three months ended March 31, 2025, the Company incurred an additional loss of $2 million. This loss is included within Other expense, net on the Consolidated Statements of Earnings.
The transaction is expected to close mid-2025. Any additional loss on disposal is expected to be immaterial.
v3.25.1
SEGMENT INFORMATION
 3 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
SEGMENT INFORMATION SEGMENT INFORMATION
Effective January 1, 2025, due to a strategic shift in how we manage our business as a result of the GR agreement, we are presenting the GR business as a discontinued operation and reorganizing our reportable segments to align to our new operating and management structure. As a result, all prior period information was recast to reflect this change. The Company now has three reportable segments: Roofing, Insulation and Doors. The Company's vertically integrated glass non-wovens business that supports the Company’s Roofing business and other building products customers, along with its structural lumber business, were integrated into the Roofing business segment. Two glass melting plants, which make fiber for the non-wovens business, were integrated into the Insulation segment. Unless otherwise specified, the information in the note refers to only the continuing operations of the Company.
Operating segments are aggregated into reportable segments based on consideration of the following factors: similarity of economic characteristics, the nature of business activities, the management structure directly accountable to our chief operating decision maker ("CODM") for operating and administrative activities, availability of discrete financial information and information presented to the Board of Directors and investors. Accounting policies for the segments are the same as those for the Company. The Company’s three reportable segments are defined as follows:
Roofing – Within our Roofing segment, the Company manufactures and sells residential roofing shingles, oxidized asphalt materials, roofing components and composite lumber primarily used in residential construction. Roofing also manufactures and sells glass mat and specialty veil materials used in building and construction applications.
Insulation – Within our Insulation segment, the Company manufactures and sells thermal and acoustical batts, loose fill insulation, spray foam insulation, wet used chopped strand, foam sheathing and accessories. It also manufactures and sells glass fiber pipe insulation, energy efficient flexible duct media, bonded and granulated stone wool insulation, cellular glass insulation, and foam insulation used in above- and below-grade construction applications.
Doors – Within our new Doors segment, the Company manufactures and sells interior and exterior doors and door systems primarily used in residential construction.
NET SALES
The following tables show a disaggregation of our Net sales by segment and geographic region. Corporate eliminations (shown below) largely reflect intercompany sales from Insulation to Roofing. External customer sales are attributed to geographic region based upon the location from which the product is sold to the external customer.
Three Months Ended March 31, 2025
(In millions)RoofingInsulationDoorsSubtotalEliminationsConsolidated
Disaggregation Categories
North America Residential$968 $382 $479 $1,829 $(35)$1,794 
North America Non-Residential100 332 — 432 (2)430 
Total North America1,068 714 479 2,261 (37)2,224 
Europe48 166 56 270 (2)268 
Asia-Pacific4 25 — 29 — 29 
Rest of world— 4 5 9 — 9 
NET SALES$1,120 $909 $540 $2,569 $(39)$2,530 
Three Months Ended March 31, 2024
(In millions)RoofingInsulationDoorsSubtotalEliminationsConsolidated
Disaggregation Categories
North America Residential$960 $398 $— $1,358 $(33)$1,325 
North America Non-Residential86 352 — 438 (4)434 
Total North America1,046 750 — 1,796 (37)1,759 
Europe49 176 — 225 (1)224 
Asia-Pacific3 27 — 30 — 30 
Rest of world— 4 — 4 — 4 
NET SALES$1,098 $957 $— $2,055 $(38)$2,017 
EARNINGS BEFORE INTEREST, TAXES, DEPRECIATION AND AMORTIZATION
At the beginning of 2025, we changed our segment measure of profitability for our reportable segments from Earnings before interest and taxes ("EBIT") to Earnings before interest, taxes, depreciation and amortization (“EBITDA”), as the measure used for purposes of making decisions about allocating resources to the segments and assessing performance, effective January 1, 2025. Segment EBITDA is the principal measure used by the CODM to assess segment performance and make decisions on the allocation of resources. Prior period amounts have been recast to reflect the new segment measure for profitability.
The Company identifies the Chief Executive Officer as the CODM. In applying the criteria set forth in the standards for reporting information about segments in financial statements, we have determined that we have three reportable segments – Roofing, Insulation, and Doors. The key factors used to identify these reportable segments are the organization and alignment of our internal operations and the nature of our products. The CODM uses EBITDA for each reportable segment to assess segment performance and make decisions on the allocation of resources. Segment EBITDA targets are established on an annual basis and used by the CODM throughout the year to compare with actual results. Quarterly forecasts supplement annual targets and provide incremental information utilized to assess the performance of a segment. Segment EBITDA variance analysis further provides insight into segment operational cost optimization.
The Company does not regularly provide significant segment expense detail to the CODM. EBITDA by segment consists of net sales less related costs and expenses, which are mainly comprised of cost of sales and marketing and administrative costs. EBITDA is presented on a basis that is used internally for evaluating segment performance. Certain items, such as general corporate expenses or income and certain other expense or income items, are excluded from the internal evaluation of segment performance. Accordingly, these items are not reflected in EBITDA for our reportable segments and are included within Corporate, Other and Eliminations.
The following table summarizes EBITDA by segment:
  
Three Months Ended March 31,
(In millions)
20252024
Reportable Segments
Roofing$332 $338 
Insulation225 223 
Doors68 — 
Total reportable segments625 561 
Restructuring excluding depreciation and amortization (3)(10)
Gains on sale of certain precious metals9 — 
Paroc marine recall(1)(1)
Strategic review-related charges— (2)
Acquisition-related transaction costs— (18)
Loss on Assets Held for Sale(2)— 
Acquisition-related integration costs(2)— 
General corporate expense and other(60)(46)
Total corporate, other and eliminations(59)(77)
Depreciation and amortization(159)(108)
Interest expense, net(64)(16)
EARNINGS FROM CONTINUING OPERATIONS BEFORE TAXES$343 $360 
TOTAL ASSETS AND PROPERTY, PLANT AND EQUIPMENT
The following table summarizes total assets by segment:
(In millions)March 31, 2025December 31, 2024
Assets allocated to reportable segments
Roofing$3,464 $3,107 
Insulation4,378 4,231 
Doors4,455 4,454 
Total assets allocated to reportable segments12,297 11,792 
Assets not allocated to reportable segments
Cash and cash equivalents400 321 
Non-current deferred income taxes11 8 
Investments in affiliates59 86 
Corporate property, plant and equipment, other assets and eliminations868 862 
TOTAL ASSETS FROM CONTINUING OPERATIONS$13,635 $13,069 
The following table summarizes total property, plant and equipment, net by geographic region:
(In millions)March 31, 2025December 31, 2024
North America$3,198 $3,182 
Europe550 524 
Asia Pacific68 67 
Rest of world43 45 
PROPERTY, PLANT AND EQUIPMENT, NET FROM CONTINUING OPERATIONS$3,859 $3,818 
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT
The following table summarizes cash paid for property, plant and equipment by segment:
 Three Months Ended March 31,
(In millions)20252024
Reportable Segments
Roofing$62 $54 
Insulation81 61 
Doors18 — 
Total reportable segments$161 $115 
General corporate additions21 18 
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT FROM CONTINUING OPERATIONS
$182 $133 
v3.25.1
INVENTORIES
 3 Months Ended
Mar. 31, 2025
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consist of the following:
(In millions)March 31, 2025December 31, 2024
Finished goods$705 $664 
Materials and supplies702 663 
Total inventories$1,407 $1,327 
v3.25.1
DERIVATIVE FINANCIAL INSTRUMENTS
 3 Months Ended
Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
DERIVATIVE FINANCIAL INSTRUMENTS DERIVATIVE FINANCIAL INSTRUMENTS
The Company is exposed to, among other risks, the impact of changes in commodity prices, foreign currency exchange rates, and interest rates in the normal course of business. The Company’s risk management program is designed to manage the exposure and volatility arising from these risks, and utilizes derivative financial instruments to offset a portion of these risks. The Company uses derivative financial instruments only to the extent necessary to hedge identified business risks, and does not enter into such transactions for trading purposes.
The Company generally does not require collateral or other security with counterparties to these financial instruments and is therefore subject to credit risk in the event of nonperformance; however, the Company monitors credit risk and currently does not anticipate nonperformance by other parties. Contracts with counterparties generally contain right of offset provisions. These provisions effectively reduce the Company’s exposure to credit risk in situations where the Company has gain and loss positions outstanding with a single counterparty. It is the Company’s policy to offset on the Consolidated Balance Sheets the amounts recognized for derivative instruments with any cash collateral arising from derivative instruments executed with the same counterparty under a master netting agreement. As of March 31, 2025 and December 31, 2024, the Company did not have any amounts on deposit with any of its counterparties, nor did any of its counterparties have any amounts on deposit with the Company.
Derivative Fair Values
Our derivatives consist of natural gas forward swaps, foreign exchange forward contracts and U.S. treasury rate lock agreements, all of which are over-the-counter and not traded through an exchange. The Company uses widely accepted valuation tools to determine fair value, such as discounting cash flows to calculate a present value for the derivatives. The models use Level 2 inputs, such as forward curves and other commonly quoted observable transactions and prices, which are observable market-based inputs or unobservable inputs that are corroborated by market data. The fair value of our derivatives and hedging instruments are all classified as Level 2 investments within the three-tier hierarchy.
The following table presents the fair value of derivatives and hedging instruments and their respective location on the Consolidated Balance Sheets:
  Fair Value at
(In millions)LocationMarch 31, 2025December 31, 2024
Derivative assets designated as hedging instruments:
Cash flow hedges:
Natural gas forward swaps for continuing operationsOther current assets$5 $3 
Natural gas forward swaps for discontinued operationsOther current assets of discontinued operations$— $1 
Derivative liabilities designated as hedging instruments:
Cash flow hedges:
Natural gas forward swaps for continuing operationsOther current liabilities$— $1 
Derivative assets not designated as hedging instruments:
Foreign exchange forward contracts for discontinued operationsOther current assets of discontinued operations$— $1 
Derivative liabilities not designated as hedging instruments:
Foreign exchange forward contracts for continuing operationsOther current liabilities$1 $1 
Foreign exchange forward contracts for discontinued operationsOther current liabilities of discontinued operations$1 $1 
Consolidated Statements of Earnings Activity
The following table presents the impact and respective location of derivative activities on the Consolidated Statements of Earnings:
  
  
Three Months Ended
March 31,
(In millions)Location20252024
Derivative activity designated as hedging instruments:
Natural gas cash flow hedges:
Amount of (gain) loss reclassified from AOCI (as defined below) into earnings (a)Cost of sales$(1)$6 
Amount of loss reclassified from AOCI (as defined below) into earnings (a)Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax$— $3 
Treasury interest rate lock:
Amount of gain reclassified from AOCI (as defined below) into earnings (a)Interest expense, net$(1)$— 
Derivative activity not designated as hedging instruments:
Foreign currency:
Amount of gain recognized in earnings (b)
Other expense, net$(1)$(1)
Amount of loss recognized in earnings (c)
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax$2 $— 
(a)Accumulated Other Comprehensive Earnings (Deficit) (“AOCI”)
(b)(Gains)/losses related to foreign currency derivatives were substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures, which were also recorded in Other expense, net. Please refer to the “Other Derivatives” section below for additional detail.
(c)(Gains)/losses related to foreign currency derivatives were substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures, which were also recorded in Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax. Please refer to the “Other Derivatives” section below for additional detail.
Consolidated Statements of Comprehensive Earnings Activity
The following table presents the impact of derivative activities on the Consolidated Statements of Comprehensive Earnings:
Amount of Gain Recognized in Comprehensive Earnings
(In millions)Three Months Ended
March 31,
Hedging TypeDerivative Financial Instrument20252024
Cash flow hedgeNatural gas forward swaps$2 $6 
Cash Flow Hedges
The Company uses a combination of derivative financial instruments, which qualify as cash flow hedges, and physical contracts to manage forecasted exposure to electricity and natural gas prices. As of March 31, 2025, the notional amounts of these natural gas forward swaps for both continuing and discontinued operations were 6 million MMBtu (or MMBtu equivalent) based on U.S. and European indices. The Company has designated these natural gas forward swaps as cash flow hedges, with the last hedge maturing no later than March 2026. A net unrecognized gain of $5 million related to these natural gas forward swaps was included in AOCI as of March 31, 2025, $5 million of which is expected to be reclassified into earnings within the next twelve months.
In 2020, the Company entered into a $175 million forward U.S. Treasury rate lock agreement to manage the U.S. Treasury portion of its interest rate risk associated with the anticipated issuance of certain 10-year fixed rate senior notes. The Company designated this forward U.S. Treasury rate lock agreement, which expired on December 15, 2022, as a cash flow hedge. The locked fixed rate of this agreement was 0.994%. In September 2022, a gain of $6 million was recognized as a result of a change in the forecasted issuance of certain senior notes. In December 2022, the Company received cash of $37 million upon the settlement of the rate lock agreement, of which $31 million will be amortized as a component of interest expense upon the future issuance of senior notes. In May 2024, the Company issued new senior notes and began amortizing the $31 million over the life of the Company's 5.700% senior notes due 2034, of which $1 million was recognized during the three months ended March 31, 2025. The unrecognized gain of $29 million was included in AOCI as of March 31, 2025.
Other Derivatives
The Company uses forward currency exchange contracts to manage existing exposures to foreign exchange risk related to assets and liabilities recorded on the Consolidated Balance Sheets. As of March 31, 2025, the Company had notional amounts for continuing and discontinued operations of $157 million for non-designated derivative financial instruments related to foreign currency exposures in U.S. Dollars primarily related to the Brazilian Real, Korean Won, Indian Rupee, Chinese Yuan, European Euro and the Hong Kong Dollar. In addition, the Company had notional amounts for continuing operations of $96 million for non-designated derivative financial instruments related to foreign currency exposures in European Euro primarily related to the Polish Złoty, Danish Krone, Norwegian Krone and the U.S. Dollar.
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS
The Company tests goodwill and indefinite-lived intangible assets for impairment during the fourth quarter of each year, or more frequently should circumstances change or events occur that would more likely than not reduce the fair value of a reporting unit below its carrying value.
Goodwill
The changes in the net carrying value of goodwill by segment are as follows:
(In millions)RoofingInsulationDoorsTotal
Gross carrying amount at December 31, 2024
$654 $1,549 $1,478 $3,681 
Foreign currency translation3 28 4 35 
Gross carrying amount at March 31, 2025
657 1,577 1,482 3,716 
Accumulated impairment losses at December 31, 2024
— (936)— (936)
Foreign currency translation— (18)— (18)
Accumulated impairment losses at March 31, 2025
— (954)— (954)
Balance, net of impairment, at March 31, 2025
$657 $623 $1,482 $2,762 
First Quarter Goodwill Triggering Event
During the first quarter of 2025, our internal reporting and management structure changed, resulting in the identification of three new reportable segments: Roofing, Insulation and Doors. As a result of our segment reorganization, we reassigned the former Composites reportable segment assets and liabilities into the Roofing and Insulation reportable segments. As this change was considered a goodwill triggering event, we performed an interim goodwill impairment test both prior and subsequent to the reorganization using a discounted cash flow approach for each of the respective reporting units.
Prior to reorganizing the reportable segments, and integrating portions of the former Composites reportable segment, but after allocating Goodwill to discontinued operations, the Company tested the Goodwill for the Roofing, Insulation and Composites reporting units. As a result of this test, we determined that no impairment existed for any of the reporting units and that the business enterprise value for the Roofing, Composites and Insulation reporting units substantially exceeded their carrying values. The remaining Composites Goodwill, after the allocation of Goodwill to discontinued operations, of $325 million was allocated between the Roofing and Insulation reporting units based on the relative fair values of the portions of the Composites business, which were integrated based on the discounted cash flows of each.
Subsequent to allocating Goodwill to the Roofing and Insulation reporting units, as part of reorganization, the Company tested the Goodwill for the Roofing and Insulation reporting units. As a result of this test, we determined that no impairment existed for either reporting unit and that the business enterprise value for the Roofing and Insulation reporting units substantially exceeded their carrying values as of the date of our assessment.
Other Intangible Assets
Other intangible assets consist of the following:
March 31, 2025December 31, 2024
(In millions)
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
Indefinite-lived trademarks and trade names$1,229 $— $1,229 $1,225 $— $1,225 
Amortizable intangible assets
Customer relationships1,583 (400)1,183 1,570 (367)1,203 
Technology377 (210)167 373 (199)174 
Trademarks and trade names 31 (4)27 31 (4)27 
Other (a)56 (2)54 52 (1)51 
Total other intangible assets$3,276 $(616)$2,660 $3,251 $(571)$2,680 
(a) Other primarily includes emissions rights.
Indefinite-Lived Intangible Assets
There is one indefinite-lived intangible asset that is at an increased risk of impairment, which is used by our Insulation segment and was partially impaired in the fourth quarter of 2022. A change in the estimated long-term revenue growth rate or discount rate for the segment could increase the likelihood of a future impairment. The following table presents the carrying values of these assets as of March 31, 2025:
(In millions)March 31, 2025
European building and technical insulation trade name
$88 
Definite-Lived Intangible Assets
The Company amortizes the cost of other intangible assets over their estimated useful lives which, individually, range up to 25 years. The Company’s future cash flows are not materially impacted by its ability to extend or renew agreements related to its amortizable intangible assets.
Amortization expense for intangible assets for the three months ended March 31, 2025 and March 31, 2024 was $38 million and $16 million, respectively. Amortization expense for intangible assets is estimated to be $109 million for the remainder of 2025.
The estimated amortization expense for intangible assets for the next five fiscal years ended December 31 is as follows:
(In millions)Amortization
2026$133 
2027$124 
2028$124 
2029$109 
2030$100 
v3.25.1
PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consist of the following:
(In millions)March 31,
2025		December 31, 2024
Land$183 $178 
Buildings and leasehold improvements1,281 1,238 
Machinery and equipment5,022 4,876 
Construction in progress535 564 
Property, plant and equipment, gross7,021 6,856 
Accumulated depreciation(3,162)(3,038)
Property, plant and equipment, net$3,859 $3,818 
Machinery and equipment include certain precious metals used in our production tooling, which comprise approximately 4% of total machinery and equipment as of March 31, 2025 and December 31, 2024. Precious metals used in our production tooling are depleted as they are consumed during the production process, depletion expense is included in Cost of Sales on the Company's Consolidated Statements of Earnings.
Our production tooling needs are changing due to the announced sale of our GR business. As a result, the Company sold certain precious metals resulting in gains of $9 million for the three months ended March 31, 2025. These gains are included in Other expense, net on the Consolidated Statements of Earnings and are reflected in the Corporate, Other and Eliminations reporting category. The cash proceeds from the sales are included in Net cash flow used for investing activities in the Consolidated Statements of Cash Flow.
v3.25.1
ACQUISITIONS
 3 Months Ended
Mar. 31, 2025
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
ACQUISITIONS ACQUISITIONS
On February 8, 2024, the Company entered into an Arrangement Agreement (the "Arrangement Agreement") with Masonite International Corporation, a British Columbia corporation ("Masonite"), pursuant to which the Company agreed to acquire all of the issued and outstanding common shares of Masonite at a purchase price of $133.00 per share (the "Arrangement"). On May 15, 2024, as determined by the Arrangement Agreement, the Company completed the acquisition of 100% of the issued and outstanding shares of Masonite for $133.00 per share in cash, without interest for a total purchase price of $3.2 billion. The acquisition was funded primarily with debt proceeds of $2.8 billion and cash on hand. Please refer to the discussion under "364-Day Credit Facility" in Note 12 of the Consolidated Financial Statements for further information.
Masonite is a leading global designer, manufacturer, marketer and distributor of interior and exterior doors and door systems for the residential new construction and residential repair and remodeling markets. The addition of Masonite's market-leading doors business creates a new growth platform for the Company, strengthening the Company's position in building and construction and expanding its offering of branded residential building products.
Masonite's operating results and preliminary purchase price allocation have been included in the Company's newly established Doors reportable segment from May 15, 2024, the effective date of the Arrangement, within the Consolidated Financial Statements. Doors contributed revenues of $540 million and earnings of $11 million to the Company for the three months ended March 31, 2025. Please refer to Note 3 of the Consolidated Financial Statements for further information.
During the first three months of 2025, the Company incurred no transaction costs and $2 million of integration costs related to its acquisition of Masonite. During the first three months of 2024, the Company incurred $18 million of transaction costs and no integration costs related to its acquisition of Masonite. These expenses are included in Other expense, net on the Company's Consolidated Statements of Earnings.
The fair value of the total purchase consideration transferred was determined as follows:
(In millions)Fair Value of Purchase Consideration
Closing cash consideration$2,935 
Pre-combination vesting portion of fair value of Masonite outstanding equity awards converted to Owens Corning time vesting RSUs35
Repayment of Masonite term loan facility216
Total transaction consideration$3,186 
The closing cash as part of preliminary estimated consideration was calculated at the price of $133.00 per outstanding Masonite common share. At the close of the acquisition of Masonite, there were 22.07 million Masonite common shares outstanding.The preliminary estimated fair value of Owens Corning common stock underlying Masonite outstanding equity awards that have been converted into awards with respect to Owens Corning common stock is calculated as follows:
(In millions, except share and per share amounts)
Amount
Number of Masonite stock awards outstanding (a)639,608 
Exchange ratio (b)0.7642
Owens Corning equity awards issued for Masonite outstanding equity awards488,778 
10-day weighted average closing share price of Owens Corning common stock (c)$174.03 
Fair value of Owens Corning time vesting RSUs issued for Masonite outstanding equity awards$85 
Less: Estimated fair value allocated to post-transaction compensation expense(50)
Fair value of awards included in transaction consideration$35 
(a)    Represents the Masonite stock awards that have been converted into Owens Corning equity awards upon completion of the acquisition of Masonite, based on awards outstanding at May 15, 2024. Masonite equity awards include awards issued under various stock incentive plans of Masonite.
(b)    The exchange rate was determined by the consideration amount divided by the volume weighted average closing sale price of one share of Owens Corning common stock for the ten consecutive trading days ended May 15, 2024, in accordance with the terms of the Arrangement Agreement.
(c)    The ten-day weighted average closing share price was calculated for the ten consecutive trading days ended May 15, 2024, in accordance with the terms of the Arrangement Agreement.
On May 15, 2024, the effective date of the Arrangement, the Company transferred consideration to Masonite to repay the Masonite 2027 term loan facility (the "Masonite term loan facility"). This repayment was required by the change in control provision within the terms of the Masonite term loan facility.
The Company has applied the acquisition method of accounting in accordance with Accounting Standards Codification ("ASC") Topic 805, Business Combinations, and recognized assets acquired and liabilities assumed at their fair values as of the effective date of the Arrangement, with the excess purchase consideration recorded to goodwill. The Company has not yet finalized the valuation of the assets acquired and liabilities assumed as of March 31, 2025. The Company is continuing to obtain information to complete its valuation of certain assets and liabilities, and during the three months ended March 31, 2025, the Company recorded measurement period adjustments to the purchase price allocation. Additional adjustments may be recorded to the fair value of intangible assets, property, plant and equipment, goodwill and deferred income taxes among other items during the measurement period, a period not to exceed 12 months from the acquisition date.
The following table summarizes the preliminary acquisition date fair value net of measurement period adjustments of net tangible and intangible assets acquired, net of liabilities assumed as part of the Arrangement:
(In millions)As originally reportedMeasurement period adjustmentsAs adjusted
Cash and cash equivalents$282 $— $282 
Receivables, net330 — 330 
Inventories379 (1)378 
Other current assets82 (4)78 
Property, plant and equipment, net861 (3)858 
Operating lease right-of-use assets253 — 253 
Intangible assets1,579 (221)1,358 
Deferred income taxes14 — 14 
Other non-current assets91 — 91 
Total assets3,871 (229)3,642 
Accounts payable196 — 196 
Current operating lease liabilities28 — 28 
Other current liabilities187 — 187 
Long-term debt867 — 867 
Non-current operating lease liabilities235 — 235 
Deferred income taxes413 (47)366 
Other non-current liabilities32 3 35 
Net assets acquired1,913 (185)1,728 
Non-controlling interest(35)— (35)
Goodwill1,308 185 1,493 
Total net assets acquired$3,186 $— $3,186 
The details on the methodology and significant inputs used for fair value of valuation are outlined below.
Goodwill
Preliminary purchase consideration allocation resulted in $1.5 billion in goodwill. Since the acquisition date, the Company has increased the value of goodwill by $185 million as a result of measurement period adjustments. The goodwill is not deductible for tax purposes. The factors contributing to the recognition of the amount of goodwill are based on several strategic and synergistic benefits that are expected to be realized from the acquisition.
Receivables
The fair value of receivables acquired is $330 million, with the gross contractual amount being $331 million. The Company expects $1 million to be uncollectible.
Inventory
The fair value of inventory was determined by the market selling price of the inventory, less the remaining manufacturing and selling costs and a normal profit margin on those manufacturing and selling efforts. The fair value of inventory has been stepped up by $18 million, this amount has been fully amortized to Cost of Sales as the inventory was sold.
Property, Plant and Equipment
The preliminary fair value of property, plant and equipment is $858 million and was determined using cost and market approaches. The cost approach reflects the amount that would be required to replace the asset to service capacity, this approach was used where there was historical data available. Where there was not historical data available the market approach was used, this approach reflects recent sales of identical or comparable assets.
Intangible Assets
The preliminary fair value of acquired intangible assets is $1.4 billion. During 2024, the Company reduced the value of acquired intangibles by $221 million, as we continued to obtain information used to determine the fair value during the measurement period. There were no material impacts to the Consolidated Statements of Earnings as a result of this adjustment. The fair value of customer relationships was determined using the multi-period excess earnings method. Key assumptions under this method are the revenue growth rate, adjusted EBITDA margin (including the adjusted terminal EBITDA margin), customer attrition rate, discount rate, tax rate and contributory asset charges. The fair value of trade names were determined using the relief from royalty method. Key assumptions under this method are future cash flow estimates, royalty rate and discount rate.
(In millions, except useful life amounts)Estimated
Useful Life
(in years)		Preliminary Estimated Asset Fair Value
Customer relationships
10 - 21
$979 
Technology
5
120 
Trademarks and trade names (indefinite-lived)Indefinite240 
Trademarks and trade names
10
19 
Identifiable intangible assets, net$1,358 
Debt
The fair value of Masonite's unsecured senior notes was determined using the market approach, based on the trading value of the notes in the market.
Joint Ventures and Noncontrolling Interests
The Company's acquisition of Masonite included joint ventures with Dominance Industries, Inc., 45% owned, and Vanair Design Inc., 30% owned. As a result of the Masonite acquisition, we also recognized a 25% noncontrolling interest in Sacopan Inc. for the portion owned by a third party and a 50% non-controlling interest in Magna Foremost SDN BHD for the portion owned by a third party. The value of these investments and non-controlling interests were determined using an equally weighted value from the income approach and the market approach.
Pro Forma Financial Information from Continuing Operations
The following table summarizes, on an unaudited pro forma basis, the combined results of operations from continuing operations of the Company for the three months ended March 31, 2024, assuming the acquisition had occurred on January 1, 2023.
Three Months Ended March 31,
(In millions)2024
Pro Forma net sales from continuing operations$2,607 
Pro Forma net earnings from continuing operations attributable to Owens Corning$323 
The pro forma financial information includes certain adjustments to adhere to the Company's accounting policies and adjustments to the historical results with pro forma adjustments, net of tax, that assume the acquisition occurred on January 1, 2023. This includes removing the results of the Architectural segment that was sold by Masonite prior to the close of the Arrangement, increased depreciation expense to reflect the fair value of property, plant and equipment, and increased amortization expense related to the fair value of identifiable amortizable intangible assets. In addition, adjustments were made to reflect the interest, discount amortization, and capitalized financing cost amortization for the 2027, 2034 and 2054 senior notes that were issued to pay off the 364-Day Credit Facility in the comparative pro forma period, see Note 12 for further detail. Finally, adjustments were made to remove interest expense for the pro forma period related to the Masonite term loan facility that was paid off at closing as part of the consideration for the Arrangement. There were no significant adjustments to the pro forma financial information for the three months ended March 31, 2024.
The pro forma financial information does not reflect any anticipated synergies or dis-synergies, operating efficiencies or cost savings that may result from the Arrangement and integration costs that may be incurred.
v3.25.1
ASSETS HELD FOR SALE
 3 Months Ended
Mar. 31, 2025
Discontinued Operations and Disposal Groups [Abstract]  
ASSETS HELD FOR SALE DISCONTINUED OPERATIONS
On February 13, 2025, the Company entered into a definitive agreement ("GR Agreement") for the sale of its glass reinforcements business ("GR") for a purchase price of approximately $436 million, less costs to sell. As of March 31, 2025, the estimated purchase price was $498 million, net of cash, and less costs to sell. The change since signing is due to the changes in customary and transaction-specific price adjustments which are subject to further changes through the date of the final closing adjustments. The purchase price is inclusive of $225 million of promissory notes to be issued to the Company by the purchasers. The GR business, historically part of the Company’s Composites segment, manufactures, fabricates, and sells glass fiber reinforcements for a wide variety of applications in wind energy, infrastructure, industrial, transportation and consumer markets.
During the fourth quarter of 2024, the Company determined that certain asset groups should be tested for recoverability, primarily as a result of the progression of the strategic review of GR. Recoverability of the long-lived assets was measured by comparing the carrying amount of the asset groups to the future net undiscounted cash flows expected to be generated by the asset groups. Specifically for the GR asset group, the Company used an undiscounted cash flow model giving consideration to probability weighted cash flows of differing outcomes of the strategic review. The comparison indicated that one of the asset groups, the GR asset group, was not recoverable.
Fair value of the GR asset group was calculated using a discounted cash flow model and market information obtained through the strategic review to estimate the fair value of the asset group, with weighting applied. As a result of the analysis performed, the Company recorded pre-tax asset impairment charges for the amount by which the carrying value exceeded its fair value of $483 million for the year ended December 31, 2024, which was included in Impairment due to strategic review on the Consolidated Statements of Earnings within our 2024 Form 10-K. These charges include $439 million related to property, plant and equipment, $30 million related to operating lease right-of-use assets and $14 million related to definite-lived intangible assets.
The transaction represents a strategic shift that has a major effect on the Company's operations and financial results and therefore, beginning with this quarterly report on Form 10-Q for the period ending March 31, 2025, GR’s financial results are reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented.
As a result of classifying GR as a discontinued operation, a portion of the Goodwill from our former Composites reporting unit was allocated to the balance sheets of the discontinued operation as of March 31, 2025 and December 31, 2024. As of the date of classification of GR as a discontinued operation, the Company determined the amount of Goodwill to allocate based on the relative fair values of the discontinued operation and the former Composites reporting unit. This resulted in an allocation of $98 million of Goodwill to the discontinued operation.
After allocating Goodwill to the discontinued operation, the Company compared the carrying value of the discontinued operation to the fair value of the discontinued operation, defined as the sale price less estimated selling costs. During the three months ended March 31, 2025, the Company incurred a pre-tax loss on classification as discontinued operations of $362 million. The loss is presented within Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax, on the Consolidated Statements of Earnings. An estimated valuation allowance of $347 million is recorded within Non-current assets of discontinued operations, on the Consolidated Balance Sheets.
The following table summarizes Earnings from discontinued operations attributable to Owens Corning, net of tax included within the Consolidated Statements of Earnings:
  
Three Months Ended March 31,
(In millions)
20252024
NET SALES$270 $283 
COST OF SALES204 231 
OPERATING EXPENSES
Marketing and administrative expenses17 22 
Loss from classification as discontinued operation362 — 
Other expense, net2 3 
Total operating expenses381 25 
Interest expense, net1 1 
Income tax expense32 5 
NET (LOSS) EARNINGS FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX$(348)$21 
Major classes of assets and liabilities of discontinued operations include the following:
(In millions)
March 31, 2025December 31, 2024
ASSETS
CURRENT ASSETS
Cash and cash equivalents$40 $40 
Receivables, less allowance97 104 
Inventories264 260 
Other current assets14 23 
Current assets of discontinued operations415 427 
Property, plant and equipment, net$366 $346 
Goodwill99 98 
Deferred income taxes4 46 
Valuation allowance for discontinued operations(347)— 
Other non-current assets94 89 
Non-current assets of discontinued operations$216 $579 
LIABILITIES
CURRENT LIABILITIES
Accounts payable$114 $129 
Other current liabilities78 97 
Current liabilities of discontinued operations192 226 
Deferred income taxes7 — 
Other liabilities103 95 
Non-current liabilities of discontinued operations$110 $95 
Cash flows related to discontinued operations are included within the Consolidated Statements of Cash Flows. Selected financial information related to cash flows from discontinued operations are below:
  
Three Months Ended March 31,
(In millions)
20252024
Depreciation and amortization$— $23 
Cash paid for property, plant and equipment$21 $19 
ASSETS HELD FOR SALE
On November 4, 2024, the Company entered into a related party agreement to sell its building materials business in China and Korea to a member of the business' management team. At that time, the Company met the assets held for sale criteria. The disposal further aligns with the strategy to reshape the Company to focus on residential and commercial building products in North America and Europe. The transaction includes six insulation manufacturing facilities in China and a roofing manufacturing facility in Korea. The building materials business, within the Insulation segment, represents annual revenues of approximately $130 million.
During the fourth quarter of 2024, the Company reclassified $2 million as held for sale within Other current liabilities on the Consolidated Balance Sheets. The Company also recorded the assets at the fair value less cost to sell, which was less than the carrying value and resulted in an impairment of $91 million primarily related to Property, Plant and Equipment and Goodwill. The impairment was included in Loss on sale of business on the Consolidated Statements of Earnings within the Company's 2024 Form 10-K. The Company estimated the fair value of these assets, less cost to sell, using Level 3 inputs.
During the three months ended March 31, 2025, the Company incurred an additional loss of $2 million. This loss is included within Other expense, net on the Consolidated Statements of Earnings.
The transaction is expected to close mid-2025. Any additional loss on disposal is expected to be immaterial.
v3.25.1
WARRANTIES
 3 Months Ended
Mar. 31, 2025
Product Warranties Disclosures [Abstract]  
WARRANTIES WARRANTIES
The Company records a liability for warranty obligations at the date the related products are sold. Adjustments are made as new information becomes available. Please refer to Note 1 of the Consolidated Financial Statements within our 2024 Form 10-K for information about our separately-priced extended warranty contracts. A reconciliation of the warranty liability is as follows:
  
Three Months Ended March 31,
(In millions)20252024
Beginning balance$99 $97 
Amounts accrued for current year6 4 
Settlements of warranty claims(6)(3)
Ending balance$99 $98 
v3.25.1
RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS
 3 Months Ended
Mar. 31, 2025
Restructuring and Related Activities [Abstract]  
RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS RESTRUCTURING
The Company may incur restructuring, and other exit costs in connection with its global cost reduction, product line and productivity initiatives and the Company’s growth strategy.
Building Materials Business Exit Restructuring
On November 4, 2024, the Company entered into a related party agreement to sell its Insulation segment's building materials business in China and Korea to a member of the business’ management team. During 2024, the Company recorded the assets at the fair value less cost to sell, which was less than the carrying value and resulted in an impairment of $91 million related primarily to Property, Plant and Equipment and Goodwill.
Following the signing of the agreement, the Company took actions to reduce headcount and implement cost savings initiatives. These actions are expected to result in cumulative costs of approximately $15 million, primarily related to severance and other exit costs. During the first three months of 2025, the Company did not incur any charges related to this project.
Acquisition-Related Restructuring
Following the acquisition of Masonite, within the Company's Doors segment, the Company took actions to realize expected synergies from the newly acquired operations. During the first three months of 2025, the Company recorded $4 million of charges, all of which were cash charges primarily related to severance. The Company is continuing to review synergies as a result of this acquisition and expects to incur a material amount of incremental costs throughout 2025 and into future years.
Global Composites Restructuring
In December 2023, the Company took actions to reduce costs throughout its global Composites segment given current market conditions, primarily through global workforce reductions, as well as streamlining manufacturing and supply chain operations. These actions primarily include salaried workforce reductions and the relocation of the Changzhou, China operations to Hangzhou, China.
In connection with these actions, the Company estimates it will incur cash charges in the range of $20 million to $30 million, primarily related to severance and other exit costs, including termination costs, and non-cash charges in the range of $15 million to $20 million, primarily related to accelerated depreciation.
During the first three months of 2025, the Company did not incur any charges related to this project.
Protective Packaging Exit
In May 2023, the Company made the decision to exit the Protective Packaging business within the Roofing segment, including the production and sale of wood packaging, metal packaging and custom products. Exiting Protective Packaging allowed the Company to focus resources on the growth of its building materials products, which supports the future growth aspirations of the enterprise. With the exit of the Protective Packaging business, the Company closed its plants in Dorval, Quebec and Mission, British Columbia, Canada. The Company also ceased operations at its Qingdao, China facility.
In connection with the exit of the Protective Packaging business, the Company estimates that it will incur cash charges of approximately $15 million, primarily related to severance and other exit costs. Additionally, the Company expects to incur total non-cash charges in the range of $70 million to $75 million, primarily related to accelerated depreciation of property, plant and equipment and accelerated amortization of definite-lived intangibles.
During the first three months of 2025, the Company did not incur any charges relating to this project. The Company does not expect to incur any future charges.
Wabash Facility Closure
In April 2023, the Company took actions to support its strategy to operate a flexible and cost-efficient manufacturing network through decisions to relocate the Wabash, Indiana mineral wool operations to Joplin, Missouri, and to exit the U.S. granulated mineral wool market. These actions resulted in cumulative costs of approximately $30 million in 2023, primarily related to severance and accelerated depreciation.
During the first three months of 2025, the Company did not incur any charges relating to this project. The Company does not expect to incur any future charges.
European Operating Structure Optimization
In March 2023, the Company took actions to optimize the operating structure of its segments across Europe to increase its competitiveness. These actions are expected to result in cumulative costs of approximately $20 million, primarily related to severance and other exit costs. During the first three months of 2025, the Company recorded $1 million of income primarily related to a reduction in severance. The Company does not expect to recognize significant incremental costs related to these actions.
Consolidated Statements of Earnings From Continuing Operations Classification
The following table presents the impact and respective location of total restructuring on the Consolidated Statements of Earnings From Continuing Operations, which are included within Corporate, Other and Eliminations:
  
Three Months Ended March 31,
(In millions)Location20252024
Accelerated depreciationCost of sales$— $(4)
Other exit costsCost of sales— (3)
SeveranceOther expense, net(2)(7)
Other exit costsOther expense, net(1)— 
Total restructuring costs$(3)$(14)
Summary of Unpaid Liabilities
The following table summarizes the status of the unpaid liabilities from the Company’s restructuring activities:
March 31, 2025
(In millions)Acquisition-related RestructuringBuilding Materials Business ExitGlobal Composites RestructuringProtective Packaging ExitWabash Facility ClosureEuropean Operating Structure Optimization
Balance at December 31, 2024$3 $6 $14 $— $— $5 
Restructuring costs4 — — — — (1)
Payments(4)— (1)— — (1)
Accelerated depreciation and other non-cash items— — — — — (1)
Balance at March 31, 2025$3 $6 $13 $— $— $2 
Cumulative charges incurred$59 $6 $33 $83 $33 $14 
As of March 31, 2025, the remaining liability balance was comprised of $24 million related to severance, which the Company expects to pay over the next twelve months.
March 31, 2024
(In millions)Global Composites RestructuringProtective Packaging ExitWabash Facility ClosureEuropean Operating Structure Optimization
Balance at December 31, 2023$12 $1 $3 $6 
Restructuring costs9 3 — 2 
Payments(1)(3)(2)(2)
Accelerated depreciation and other non-cash items(4)(1)— — 
Balance at March 31, 2024$16 $— $1 $6 
Cumulative charges incurred$25 $81 $33 $14 
v3.25.1
DEBT
 3 Months Ended
Mar. 31, 2025
Debt Disclosure [Abstract]  
DEBT DEBT
Details of the Company’s outstanding long-term debt, as well as the fair values, are as follows:
March 31, 2025December 31, 2024
(In millions)Carrying ValueFair ValueCarrying ValueFair Value
3.400% senior notes, net of discount and financing fees, due 2026
$399 98 %$399 98 %
5.500% senior notes, net of discount and financing fees, due 2027
497 102 %497 102 %
5.375% senior notes, net of discount and financing fees, due 2028
— — %29 99 %
3.950% senior notes, net of discount and financing fees, due 2029
447 97 %447 95 %
3.500% senior notes, net of discount and financing fees, due 2030
2 92 %2 89 %
3.500% senior notes, net of discount and financing fees, due 2030
339 94 %338 93 %
3.875% senior notes, net of discount and financing fees, due 2030
298 95 %298 94 %
5.700% senior notes, net of discount and financing fees, due 2034
790 103 %790 102 %
7.000% senior notes, net of discount and financing fees, due 2036
369 113 %369 112 %
4.300% senior notes, net of discount and financing fees, due 2047
589 81 %589 80 %
4.400% senior notes, net of discount and financing fees, due 2048
391 82 %391 80 %
5.950% senior notes, net of discount and financing fees, due 2054
683 100 %683 99 %
Various finance leases, due through 2050 (a)
276 100 %267 100 %
Total long-term debt5,080 N/A5,099 N/A
Less – current portion of finance leases and other (a)35 100 %32 100 %
Long-term debt, net of current portion$5,045 N/A$5,067 N/A
(a)The Company determined that the book value of the above noted long-term debt instruments approximates fair value.
The fair values of the Company’s outstanding long-term debt instruments were estimated using market observable inputs, including quoted prices in active markets, market indices and interest rate measurements. Within the hierarchy of fair value measurements, these are Level 2 fair values.
Senior Notes
The Company issued $500 million of 2027 senior notes with an annual interest rate of 5.500%, $800 million of 2034 senior notes with an annual interest rate of 5.700% and $700 million of 2054 senior notes with an annual interest rate of 5.950% on May 31, 2024. These senior notes are net of discounts and issuance costs of $4 million, $11 million and $17 million, respectively. The proceeds from these notes were used to repay a portion of the outstanding borrowings under the 364-Day Credit Facility (as defined below) that was used to fund a portion of the purchase of Masonite in the second quarter of 2024 and to pay related fees and expenses.
On May 1, 2024, in connection with the acquisition of Masonite, we commenced an offer to exchange (the “Exchange Offer”) any and all of Masonite’s outstanding 3.50% Senior Notes due 2030 (the “Masonite 2030 notes”) for new 3.50% Senior Notes due 2030 of Owens Corning (the “Owens Corning 2030 notes”). On May 22, 2024, 99.51% of the outstanding Masonite 2030 notes were exchanged and we issued $373 million aggregate principal amount of Owens Corning 2030 notes, which was a non-cash financing transaction for the Company. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on August 15, 2024. Following the settlement of the Exchange Offer, approximately $2 million of the Masonite 2030 notes that were not exchanged remain outstanding, which has been recorded on the Consolidated Balance Sheets.
On April 15, 2024, in connection with the acquisition of Masonite, we commenced a tender offer (the “Tender Offer”) to purchase any and all of Masonite's outstanding 5.375% Senior Notes due 2028 (the “Masonite 2028 notes”) with an aggregate value of $501 million. On May 13, 2024, 94.25% of the outstanding Masonite 2028 notes were validly tendered, with Owens Corning making a cash payment on May 16, 2024 of approximately $480 million, inclusive of $7 million of interest and $1 million premium on tender. Following the settlement of the Tender Offer, approximately $29 million of the Masonite 2028 notes that were not tendered remain outstanding, which has been recorded on the Consolidated Balance Sheets. Interest on the Masonite 2028 notes is payable semiannually in arrears on February 1 and August 1 each year. On February 1, 2025, the
Company issued a par call to repay the remaining portion of its outstanding Masonite 2028 notes for $30 million inclusive of accrued interest.
The Company issued $300 million of 2030 senior notes on May 12, 2020. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on December 1, 2020. The proceeds from these notes were used for general corporate purposes.
The Company issued $450 million of 2029 senior notes on August 12, 2019. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2020. The proceeds from these notes were used to repay $416 million of our 2022 senior notes and $34 million of our 2036 senior notes.
The Company issued $400 million of 2048 senior notes on January 25, 2018. Interest on the notes is payable semiannually in arrears on January 30 and July 30 each year, beginning on July 30, 2018. The proceeds from these notes were used, along with borrowings on a $600 million term loan commitment and borrowings on the Receivables Securitization Facility (as defined below), to fund the purchase of Paroc in the first quarter of 2018.
The Company issued $600 million of 2047 senior notes on June 26, 2017. Interest on the notes is payable semiannually in arrears on January 15 and July 15 each year, beginning on January 15, 2018. A portion of the proceeds from these notes was used to fund the purchase of Pittsburgh Corning in 2017 and for general corporate purposes. The remaining proceeds were used to repay $144 million of our 2019 senior notes and $140 million of our 2036 senior notes.
The Company issued $400 million of 2026 senior notes on August 8, 2016. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2017. A portion of the proceeds from these notes was used to redeem $158 million of our 2016 senior notes. The remaining proceeds were used to pay down portions of our Receivables Securitization Facility and for general corporate purposes.
The Company issued $400 million of 2024 senior notes on November 12, 2014. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on June 1, 2015. A portion of the proceeds from these notes was used to repay $242 million of our 2016 senior notes and $105 million of our 2019 senior notes. The remaining proceeds were used to pay down our Senior Revolving Credit Facility (as defined below), finance general working capital needs, and for general corporate purposes. In the fourth quarter of 2024, the Company fully repaid the 2024 senior notes of $400 million at maturity.
The Company issued $550 million of 2036 senior notes on October 31, 2006. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on June 1, 2007. The proceeds of these notes were used to pay certain unsecured and administrative claims, finance general working capital needs and for general corporate purposes.
Collectively, the Company's senior notes above, other than the Masonite 2028 notes or the Masonite 2030 notes, are referred to as the “Senior Notes.” The Senior Notes are general unsecured obligations of the Company and rank pari passu with all existing and future senior unsecured indebtedness of the Company. The Company has the option to redeem all or part of the Senior Notes at any time at a “make-whole” redemption price. The Company is subject to certain covenants in connection with the issuance of the Senior Notes that it believes are usual and customary. The Company was in compliance with these covenants as of March 31, 2025.
Senior Revolving Credit Facility
On March 5, 2025, the Company amended its senior revolving credit facility (the “Senior Revolving Credit Facility”) to increase the available principal amount from $1.0 billion to $1.5 billion and to extend the maturity to March 2030. The Senior Revolving Credit Facility includes both borrowings and letters of credit. Borrowings under the Senior Revolving Credit Facility may be used for general corporate purposes and working capital. The Company has the discretion to borrow under multiple options, which provide for varying terms and interest rates including the United States prime rate, federal funds rate plus a spread or forward-looking term rate based on the Secured Overnight Financing Rate (“Term SOFR”) plus a spread.
The Senior Revolving Credit Facility contains various covenants, including a maximum allowed leverage ratio, that the Company believes are usual and customary for a senior unsecured credit agreement. The Company was in compliance with these covenants as of March 31, 2025.
During the first quarter of 2025, the Company borrowed $30 million under the Senior Revolving Credit Facility, which was subsequently repaid with proceeds from the issuance of CP Notes (as defined below). The Company had no borrowings outstanding and $1.5 billion available under the Senior Revolving Credit Facility as of March 31, 2025.
Receivables Securitization Facility
The receivables securitization facility (the "Receivables Securitization Facility") has a Receivables Purchase Agreement (“RPA”) that is accounted for as secured borrowings in accordance with ASC 860, “Accounting for Transfers and Servicing.” Owens Corning Sales, LLC and Owens Corning Receivables LLC, each a subsidiary of the Company, had an RPA with certain financial institutions. On February 25, 2025, the Company amended and restated the RPA to extend the scheduled maturity date to April 2025. Effective March 31, 2025, the Company terminated the Receivables Securitization Facility and RPA.
Under the RPA, the Company had the ability to borrow at the lenders’ cost of funds, which approximated Term SOFR plus a spread. Alternatively, the Company had the ability to borrow at the higher of the United States prime rate or the Overnight Bank Funding Rate plus a spread. The RPA contained various covenants, including a maximum allowed leverage ratio, that the Company believes are usual and customary for a securitization facility.
Owens Corning Receivables LLC’s sole business consisted of the purchase or acceptance through capital contributions of trade receivables and related rights from Owens Corning Sales, LLC and the subsequent retransfer of or granting of a security interest in such trade receivables and related rights to certain purchasers who were party to the RPA.
During the first quarter of 2025, the Company borrowed $299 million under the Receivables Securitization Facility which was subsequently repaid with proceeds from the issuance of CP Notes.
364-Day Credit Facility
On March 1, 2024, the Company entered into an unsecured term loan agreement in an aggregate principal amount of $3.0 billion, which matures 364 days after the facility is initially funded with a single drawing (the “364-Day Credit Facility”).
In May 2024, to fund a portion of the purchase of Masonite, the Company borrowed $2.8 billion using Term SOFR plus a spread on the 364-Day Credit Facility. As a result of the borrowing, the Company incurred approximately $16 million of financing fees which were amortized to Interest expense, net on the Consolidated Statements of Earnings. During the second quarter of 2024, the Company completely repaid the 364-Day Credit Facility with a combination of proceeds from the issuance of new senior notes, borrowings on the Receivables Securitization Facility and cash on hand. Based on terms of the agreement, no further amounts can be drawn.
Commercial Paper
On March 5, 2025, the Company established a $1.5 billion commercial paper program ("CP Program") for the issuance of unsecured commercial paper notes (the “CP Notes”) with maturities ranging up to 397 days from the date of issuance. The CP Notes may not be voluntarily prepaid or redeemed by the Company prior to maturity and rank pari passu with all existing and future senior unsecured indebtedness of the Company. The proceeds from the CP Notes will be used to finance the Company’s short-term liquidity needs and other general corporate purposes. The Senior Revolving Credit Facility is designated to be a liquidity backstop for the CP Notes outstanding under the CP Program. We do not intend to have outstanding borrowings under the CP Program in excess of available capacity under our Senior Revolving Credit Facility. As of March 31, 2025, there were $500 million of CP Notes outstanding under the CP Program with a weighted average interest rate and weighted average maturity period of 4.62% and 29 days, respectively. The CP Notes are reported net of any discount and are included within Short-term debt on the Company's Consolidated Balance Sheets.
v3.25.1
CONTINGENT LIABILITIES AND OTHER MATTERS
 3 Months Ended
Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
CONTINGENT LIABILITIES AND OTHER MATTERS CONTINGENT LIABILITIES AND OTHER MATTERS
The Company may be involved in various legal and regulatory proceedings relating to employment, antitrust, tax, product liability, environmental, contracts, intellectual property and other matters (collectively, “Proceedings”). The Company regularly reviews the status of such Proceedings along with legal counsel. Liabilities for such Proceedings are recorded when it is probable that the liability has been incurred and when the amount of the liability can be reasonably estimated. Liabilities are adjusted when additional information becomes available. Except as set forth below under “Litigation and Regulatory Proceedings,” management believes that the amount of any reasonably possible losses in excess of any amounts accrued, if any, with respect to such Proceedings or any other known claim, including the matters described below under the caption Environmental Matters (the “Environmental Matters”), are not material to the Company’s financial statements. While the likelihood is remote, the disposition of the Proceedings and Environmental Matters could have a material impact on the results of operations, cash flows or liquidity in any given reporting period.
Litigation and Regulatory Proceedings
The Company is involved in litigation and regulatory proceedings from time to time in the regular course of its business. The Company believes that adequate provisions for resolution of all contingencies, claims and pending matters have been made for probable losses that are reasonably estimable.
During the second quarter of 2023, the Company’s subsidiary, Paroc Group OY (“Paroc”), which the Company acquired in 2018, notified the appropriate European maritime regulatory authorities that specific products in its marine insulation product line may not meet certain fire safety requirements in accordance with their certifications. Paroc voluntarily withdrew these specific products from the market, issued recalls, and suspended distribution and sales of these products (the “Recalled Products”). Paroc continues to cooperate with the applicable regulatory and government authorities and work with its customers and end-users to assist with remediation for the recall. During the first quarter of 2024, the Company discovered potential nonconformances relating to two other marine insulation product lines. In April 2024, Paroc suspended sales of these marine insulation products as a precautionary measure while it reviews the potential nonconformances, but has not issued recalls. The Company has included an estimated liability for expected future costs related to the Recalled Products on its Consolidated Balance Sheets as of March 31, 2025 and December 31, 2024. The estimated liability is primarily based on claims received, as well as assumptions related to the estimated costs of the remedy for the Recalled Products. At this time, we cannot estimate a range of loss for any additional costs related to the Recalled Products that exceed the current estimated liability. We reevaluate these assumptions each period and the related liability may be adjusted when factors indicate that the liability is either not sufficient to cover or exceeds the estimated costs related to the Recalled Products. Based on the factors currently known, we believe the appropriate liability has been established at this time. It is reasonably possible that additional costs related to the Recalled Products could be incurred that exceed the estimated liability by amounts that could be material to our Consolidated Financial Statements.
Due to these nonconformances, the Company reviewed the Paroc insulation product portfolio. The review has concluded. In addition to addressing the Recalled Products, the Company continues to assess potential nonconformances related to certain ventilation duct and steel beam insulation products. Paroc suspended sales of these affected insulation products as a precautionary measure while it reviews the potential nonconformances, but has not issued recalls. We expect to incur costs associated with the resolution of this matter. The amount or range of any potential loss cannot be reasonably estimated at this time.
Environmental Matters
The Company has established policies and procedures designed to ensure that its operations are conducted in compliance with all relevant laws and regulations and that enable the Company to meet its high standards for corporate sustainability and environmental stewardship. Our manufacturing facilities are subject to numerous foreign, federal, state and local laws and regulations relating to the presence of hazardous materials, pollution and protection of the environment, including emissions to air, reductions of greenhouse gases, discharges to water, management of hazardous materials, handling and disposal of solid wastes, use of chemicals in our manufacturing processes and remediation of contaminated sites. All Company manufacturing facilities are either ISO 14001 certified or deploy environmental management systems based on ISO 14001 principles. The Company’s 2030 Sustainability Goals include significant global reductions in energy use, water consumption, waste to landfill, and emissions of greenhouse gases, fine particulate matter, and volatile organic air emissions and protection of biodiversity.
Owens Corning is involved in remedial response activities and is responsible for environmental remediation at a number of sites, including certain of its currently owned or formerly owned plants. These responsibilities arise under a number of laws, including, but not limited to, the Federal Resource Conservation and Recovery Act, and similar state or local laws pertaining to the management and remediation of hazardous materials and petroleum. The Company has also been named a potentially responsible party under the U.S. Federal Superfund law, similar state or local laws pertaining to the management and remediation of hazardous materials and petroleum. The Company became involved in these sites as a result of government action or in connection with business acquisitions. As of March 31, 2025, the Company was involved with a total of 25 sites worldwide, including 10 Superfund and state or country equivalent sites and 15 owned or formerly owned sites. None of the liabilities for these sites are individually significant to the Company.
Remediation activities generally involve a potential range of activities and costs related to soil, groundwater and sediment contamination. This can include pre-cleanup activities such as fact-finding and investigation, risk assessment, feasibility studies, remedial action design and implementation (where actions may range from monitoring to removal of contaminants, to installation of longer-term remediation systems). A number of factors affect the cost of environmental remediation, including the number of parties involved in a particular site, the determination of the extent of contamination, the length of time the remediation may require, the complexity of environmental regulations, variability in clean-up standards, the need for legal
action and changes in remediation technology. Taking these factors into account, Owens Corning reasonably estimates the costs of remediation to be paid over a period of years. The Company accrues an amount on an undiscounted basis, when a liability is probable and reasonably estimable. Actual cost may differ from these estimates for the reasons mentioned above. At March 31, 2025, the Company had an accrual totaling $4 million for these costs, of which the current portion is $2 million. Changes in required remediation procedures or timing of those procedures, or discovery of contamination at additional sites, could result in material increases to the Company’s environmental obligations.
During the first quarter of 2024, the Procuraduría Federal de Protección al Ambiente (“PROFEPA”) issued a ruling to Owens Corning Mexico, S. de R.L. de C.V., a subsidiary of the Company (“OC Mexico”), citing violations of Mexico’s air emissions regulations at OC Mexico’s facility in Mexico City, Mexico and imposing monetary sanctions of approximately $1 million. OC Mexico previously performed all related corrective action and, as of the date of this report, is in compliance with applicable federal and local environmental laws. OC Mexico is in the process of appealing PROFEPA’s ruling and the resulting monetary sanctions.
v3.25.1
STOCK COMPENSATION
 3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
STOCK COMPENSATION STOCK COMPENSATION
Description of the Plan
On April 20, 2023, the Company’s stockholders approved the Owens Corning 2023 Stock Plan (the “2023 Stock Plan”), which authorizes grants of stock options, stock appreciation rights, stock awards (including restricted stock awards, restricted stock units and bonus stock awards), performance share awards and performance share units. At March 31, 2025, the number of shares remaining available under the 2023 Stock Plan for all stock awards was 2.6 million.
Prior to the 2023 Stock Plan, employees were eligible to receive stock awards under the Owens Corning 2019 Stock Plan.
Total Stock-Based Compensation Expense
Stock-based compensation expense included in both Marketing and administrative expenses and Net earnings/(loss) from discontinued operations attributable to Owens Corning, net of tax in the accompanying Consolidated Statements of Earnings is as follows:
Three Months Ended
March 31,
(In millions)20252024
Total stock-based compensation expense from continuing operations$20 $13 
Total stock-based compensation expense from discontinued operations1 1 
Total stock-based compensation expense$21 $14 
Restricted Stock Units
The Company has granted restricted stock units (“RSUs”) under its stockholder-approved stock plans. Generally, all outstanding RSUs will fully settle in stock. Compensation expense for RSUs is measured based on the closing market price of the stock at date of grant and is recognized on a straight-line basis over the vesting period, which is typically three to four years. The 2023 Stock Plan allows alternate vesting schedules for death, disability and retirement. The weighted-average grant date fair value of RSUs granted under the 2023 Stock Plan in 2025 was $180.34.
Masonite Equity Awards
On May 15, 2024, the Company converted outstanding Masonite stock-based incentive awards to Masonite employees at a 0.8 equity award exchange ratio. Masonite equity awards include outstanding and unvested awards of restricted stock units and performance stock units (“PRSUs”) under the Masonite International Corporation 2021 Omnibus Incentive Plan (“Masonite Stock Plan”) that were held by employees of Masonite, which were exchanged for time-vesting restricted stock units of Owens Corning RSUs in connection with the completion of the transactions contemplated by the Arrangement Agreement. The converted stock-based incentive awards include 0.2 million PRSUs and 0.3 million restricted stock units.
The equity award exchange ratio was determined by the consideration amount of $133 per share divided by the volume weighted average closing sale price of one share of Owens Corning common stock for the ten consecutive trading days ended March 15, 2024 of $174.03 per share, in accordance with the terms of the Arrangement Agreement.
In accordance with the Arrangement Agreement, the number of Masonite shares underlying the PRSUs was equal to (i) 107.33% of target for PRSUs granted in February 2022, (ii) 100% of target for PRSUs granted in August 2022 and (iii) 122% of target for PRSUs granted in February 2023.
The fair value of the Owens Corning RSUs issued for Masonite outstanding equity awards was $85 million as of the date of acquisition, of which $35 million was related to pre-combination expense and was included in the purchase price. The remaining portion of $50 million relates to post-combination expense, of which $26 million was accelerated as of March 31, 2025. As of March 31, 2025, the future unrecognized expense related to the converted outstanding RSUs was approximately $10 million which will be recognized over the remaining service period of approximately 1.51 years. Please refer to Notes 8 and 11 of the Consolidated Financial Statements for further information. Future equity-based awards to Company employees who were former Masonite employees may be granted from the remaining available shares under the Masonite Stock Plan. At March 31, 2025, the number of shares remaining available under the Masonite Stock Plan was 0.6 million shares of Owens Corning common stock.
The following table summarizes the Company’s RSU activity:
  
Number of RSUsWeighted-Average
Fair Value
Balance at December 31, 20241,249,146 $107.31 
Granted233,804 180.34 
Vested(332,246)120.58 
Forfeited(4,555)142.30 
Balance at March 31, 20251,146,149 $118.21 
As of March 31, 2025, there was $79 million of total unrecognized compensation cost related to RSUs. This total includes $10 million of unrecognized compensation related to converted Masonite equity awards. The remaining $69 million of unrecognized compensation cost is related to RSUs granted under both the Owens Corning Stock Plans and Masonite Stock Plan. That cost is expected to be recognized over a weighted-average period of 2.02 years. The total grant date fair value of shares vested during the three months ended March 31, 2025 and 2024 was $40 million and $23 million, respectively.
Performance Share Units
The Company has granted performance share units (“PSUs”) as a part of its long-term incentive plan. All outstanding PSUs will fully settle in stock. The amount of shares ultimately distributed from all PSUs is contingent on meeting internal company-based metrics or an external-based stock performance metric.
In the three months ended March 31, 2025, the Company granted both internal company-based and external-based metric PSUs.
Internal Company-based metrics
The internal Company-based metric PSUs are based on various Company metrics and typically vest after a three-year period. The amount of stock distributed will vary from 0% to 200% of PSUs awarded depending on each award’s design and performance versus the company-based metrics.
The initial fair value for all internal company-based metric PSUs assumes that the performance goals will be achieved and is based on the grant date stock price. This assumption is monitored quarterly and if it becomes probable that such goals will not be achieved or will be exceeded, compensation expense recognized will be adjusted and previous surplus compensation expense recognized will be reversed or additional expense will be recognized. The expected term represents the period from the grant date to the end of the three-year performance period. Pro-rata vesting may be utilized in the case of death, disability or retirement and awards, if earned, will be paid at the end of the three-year period.
The following table provides a summary of the grant date fair values of the internal Company-based metric PSUs:
Three Months Ended March 31,
20252024
Grant date fair value of units granted$171.94 $147.18 
External-based metrics
The external-based metric PSUs vest after a three-year period. Outstanding grants issued in or after 2023 are based on the Company’s total stockholder return relative to a peer group. The amount of stock distributed will vary from 0% to 200% of PSUs awarded depending on the relative stockholder return performance. The fair value of external-based metric PSUs has been estimated at the grant date using a Monte Carlo simulation that uses various assumptions.
The following table provides a summary of the assumptions for PSUs granted in 2025 and 2024:
Three Months Ended March 31,
20252024
Expected volatility32.78%33.88%
Risk free interest rate4.14%3.94%
Expected term (in years)2.902.91
Grant date fair value of units granted$221.54$195.95
The risk-free interest rate was based on zero-coupon United States Treasury STRIPS at the grant date. The expected term represents the period from the grant date to the end of the three-year performance period.
PSU Summary
As of March 31, 2025, there was $35 million total unrecognized compensation cost related to PSUs. That cost is expected to be recognized over a weighted-average period of 2.24 years.
The following table summarizes the Company’s PSU activity:
  
Number of PSUsWeighted-Average
Grant Date
Fair Value
Balance at December 31, 2024219,075 $117.23 
Granted120,321 188.47 
Vested— — 
Forfeited— — 
Balance at March 31, 2025339,396 $148.85 
Employee Stock Purchase Plan
The Owens Corning Employee Stock Purchase Plan (“ESPP”) is a tax-qualified plan under Section 423 of the Internal Revenue Code. The purchase price of shares purchased under the ESPP is equal to 85% of the lower of the fair market value of shares of Owens Corning common stock at the beginning or ending of the offering period, which is a six-month period ending on May 31 and November 30 of each year. On April 16, 2020, the Company’s stockholders approved the Amended and Restated Owens Corning Employee Stock Purchase Plan, which increased the number of shares available for issuance under the plan by 4.2 million shares. As of March 31, 2025, 3.0 million shares remain available for purchase.
Included in total stock-based compensation expense is $3 million of expense related to the Company’s ESPP recognized during the three months ended March 31, 2025. During the three months ended March 31, 2024, the Company recognized expense of $2 million related to the Company’s ESPP. As of March 31, 2025, there was $2 million of total unrecognized compensation cost related to the ESPP.
v3.25.1
EARNINGS PER SHARE
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
The following table is a reconciliation of weighted-average shares for calculating basic and diluted earnings per share:
  
Three Months Ended
March 31,
(In millions, except per share amounts)
20252024
Net earnings from continuing operations attributable to Owens Corning
$255 $278 
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax(348)21 
NET (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING
$(93)$299 
Weighted-average number of shares outstanding used for basic earnings per share85.8 87.3 
Unvested restricted stock units and performance share units0.5 0.6 
Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings per share86.3 87.9 
(Loss) Earnings per common share attributable to Owens Corning common stockholders:
Basic - continuing operations$2.97 $3.18 
Basic - discontinued operations$(4.05)$0.24 
Basic$(1.08)$3.42 
Diluted - continuing operations$2.95 $3.16 
Diluted - discontinued operations$(4.03)$0.24 
Diluted$(1.08)$3.40 
For the three months ended March 31, 2025 and March 31, 2024, there were no unvested RSUs or PSUs that had an anti-dilutive effect on earnings per share.
On December 1, 2022, the Board of Directors approved a share repurchase program under which the Company is authorized to repurchase up to 10 million shares of the Company’s outstanding common stock (the “Repurchase Authorization”). The Repurchase Authorization enables the Company to repurchase shares through the open market, privately negotiated, or other transactions. The actual number of shares repurchased will depend on timing, market conditions and other factors and will be at the Company’s discretion. The Company repurchased 0.7 million shares of its common stock for $101 million, inclusive of applicable taxes, during the three months ended March 31, 2025, under the Repurchase Authorization. As of March 31, 2025, 5.7 million shares remain available for repurchase under the Repurchase Authorization.
The Company repurchased 0.9 million shares of its common stock for $130 million, inclusive of applicable taxes, during the three months ended March 31, 2024.
v3.25.1
INCOME TAXES
 3 Months Ended
Mar. 31, 2025
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
The following table provides the Income tax expense and effective tax rate for the periods indicated:
  
Three Months Ended March 31,
(In millions, except effective tax rate)
20252024
Income tax expense$88 $83 
Effective tax rate26 %23 %
The difference between the effective tax rate and the U.S. federal statutory tax rate of 21% for the three months ended March 31, 2025 is primarily due to U.S. state and local income tax expense and foreign rate differential.

The difference between the effective tax rate and the U.S. federal statutory tax rate of 21% for the three months ended March 31, 2024 is primarily due to U.S. state and local income tax expense, partially offset by discrete tax benefits related to valuation allowance and stock-based compensation.
The Company continues to assert indefinite reinvestment in accordance with ASC 740 based on the laws as of enactment of the tax legislation.
v3.25.1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT
 3 Months Ended
Mar. 31, 2025
Equity [Abstract]  
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT
The following table summarizes the changes in accumulated other comprehensive income (deficit):
Three Months Ended
March 31,
  
(In millions)
20252024
Currency Translation Adjustment
Beginning balance$(534)$(318)
Gain (loss) on foreign currency translation75 (41)
Other comprehensive income (loss), net of tax75 (41)
Ending balance$(459)$(359)
Pension and Other Postretirement Adjustment
Beginning balance$(181)$(196)
Amounts reclassified from AOCI to net earnings, net of tax (a)— 1 
Amounts classified into AOCI, net of tax(3)(1)
Other comprehensive loss, net of tax(3)— 
Ending balance$(184)$(196)
Hedging Adjustment
Beginning balance$24 $11 
Amounts reclassified from AOCI to net earnings, net of tax (b)(2)7 
Amounts classified into AOCI, net of tax3 (2)
Other comprehensive income, net of tax1 5 
Ending balance$25 $16 
Total AOCI ending balance$(618)$(539)
(a)These AOCI components are included in the computation of total Pension and Other postretirement expense and are recorded in Non-operating expense.
(b)Amounts reclassified from (loss) gain on cash flow hedges are reclassified from AOCI to income when the hedged item affects earnings and is recognized in Cost of sales or Interest expense, net depending on the hedged item. See Note 5 for additional information.
v3.25.1
Pay vs Performance Disclosure - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Pay vs Performance Disclosure    
Net earnings attributable to Owens Corning $ (93) $ 299
v3.25.1
Insider Trading Arrangements
 3 Months Ended
Mar. 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
v3.25.1
GENERAL (Policies)
 3 Months Ended
Mar. 31, 2025
Accounting Changes and Error Corrections [Abstract]  
Accounting Pronouncements
Accounting Pronouncements
The following table summarizes recent Accounting Standard Updates ("ASU") issued by the Financial Accounting Standards Board ("FASB") that could have an impact on the Company's Consolidated Financial Statements:
StandardDescriptionEffective Date for CompanyEffect on the
Consolidated Financial Statements
ASU 2025-01 "Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40)"The amendment in this update clarifies the effective date of update 2024-03, which is that public business entities are required to adopt the guidance in interim periods within annual reporting periods beginning after December 15, 2027.January 1, 2028We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
ASU 2024-03 "Income Statement – Reporting Comprehensive Income- Expense Disaggregation Disclosures (Subtopic 220-40)"The amendments in this update require disclosure, in the notes to financial statements, of specified information about certain costs and expenses.January 1, 2027We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
ASU 2024-02 "Codification Improvements - Amendments to Remove References to the Concepts Statements"Amendments in this update remove references to various FASB Concepts Statements.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statements.
ASU 2024-01 "Compensation - Stock Compensation" (Topic 718): Scope Application of Profits Interest and Similar Awards"This amendment adds an illustrative example to demonstrate how an entity should apply the scope guidance in paragraph 718-10-15-3 to determine whether profits interest and similar awards should be accounted for in accordance with Topic 718.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statements.
ASU 2023-09 “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”This standard modifies the rate reconciliation and income taxes paid disclosures by requiring consistent categories and greater disaggregation of information in the rate reconciliation, as well as requiring income taxes paid to be disaggregated by jurisdiction.January 1, 2025We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statement disclosures.
ASU 2023-07 “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”The amendments in this update improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses.January 1, 2024We have adopted and determined that this guidance does not have a material effect on our Consolidated Financial Statement disclosures.
ASU 2023-06 “Disclosure Improvements”The amendments in this update modify the disclosure or presentation requirements of a variety of TopicsThe effective date for each topic is contingent on future SEC rule setting.We are currently assessing the impact adopting this standard will have on our Consolidated Financial Statement disclosures. We do not believe the adoption of this guidance will have a material effect on our results of operations.
v3.25.1
DISCONTINUED OPERATIONS (Tables)
 3 Months Ended
Mar. 31, 2025
Discontinued Operations and Disposal Groups [Abstract]  
Disposal Groups, Including Discontinued Operations
The following table summarizes Earnings from discontinued operations attributable to Owens Corning, net of tax included within the Consolidated Statements of Earnings:
  
Three Months Ended March 31,
(In millions)
20252024
NET SALES$270 $283 
COST OF SALES204 231 
OPERATING EXPENSES
Marketing and administrative expenses17 22 
Loss from classification as discontinued operation362 — 
Other expense, net2 3 
Total operating expenses381 25 
Interest expense, net1 1 
Income tax expense32 5 
NET (LOSS) EARNINGS FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX$(348)$21 
Major classes of assets and liabilities of discontinued operations include the following:
(In millions)
March 31, 2025December 31, 2024
ASSETS
CURRENT ASSETS
Cash and cash equivalents$40 $40 
Receivables, less allowance97 104 
Inventories264 260 
Other current assets14 23 
Current assets of discontinued operations415 427 
Property, plant and equipment, net$366 $346 
Goodwill99 98 
Deferred income taxes4 46 
Valuation allowance for discontinued operations(347)— 
Other non-current assets94 89 
Non-current assets of discontinued operations$216 $579 
LIABILITIES
CURRENT LIABILITIES
Accounts payable$114 $129 
Other current liabilities78 97 
Current liabilities of discontinued operations192 226 
Deferred income taxes7 — 
Other liabilities103 95 
Non-current liabilities of discontinued operations$110 $95 
Cash flows related to discontinued operations are included within the Consolidated Statements of Cash Flows. Selected financial information related to cash flows from discontinued operations are below:
  
Three Months Ended March 31,
(In millions)
20252024
Depreciation and amortization$— $23 
Cash paid for property, plant and equipment$21 $19 
v3.25.1
SEGMENT INFORMATION (Tables)
 3 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
Reconciliation of Revenue from Segments to Consolidated
The following tables show a disaggregation of our Net sales by segment and geographic region. Corporate eliminations (shown below) largely reflect intercompany sales from Insulation to Roofing. External customer sales are attributed to geographic region based upon the location from which the product is sold to the external customer.
Three Months Ended March 31, 2025
(In millions)RoofingInsulationDoorsSubtotalEliminationsConsolidated
Disaggregation Categories
North America Residential$968 $382 $479 $1,829 $(35)$1,794 
North America Non-Residential100 332 — 432 (2)430 
Total North America1,068 714 479 2,261 (37)2,224 
Europe48 166 56 270 (2)268 
Asia-Pacific4 25 — 29 — 29 
Rest of world— 4 5 9 — 9 
NET SALES$1,120 $909 $540 $2,569 $(39)$2,530 
Three Months Ended March 31, 2024
(In millions)RoofingInsulationDoorsSubtotalEliminationsConsolidated
Disaggregation Categories
North America Residential$960 $398 $— $1,358 $(33)$1,325 
North America Non-Residential86 352 — 438 (4)434 
Total North America1,046 750 — 1,796 (37)1,759 
Europe49 176 — 225 (1)224 
Asia-Pacific3 27 — 30 — 30 
Rest of world— 4 — 4 — 4 
NET SALES$1,098 $957 $— $2,055 $(38)$2,017 
Schedule of Earnings before Interest and Taxes
The following table summarizes EBITDA by segment:
  
Three Months Ended March 31,
(In millions)
20252024
Reportable Segments
Roofing$332 $338 
Insulation225 223 
Doors68 — 
Total reportable segments625 561 
Restructuring excluding depreciation and amortization (3)(10)
Gains on sale of certain precious metals9 — 
Paroc marine recall(1)(1)
Strategic review-related charges— (2)
Acquisition-related transaction costs— (18)
Loss on Assets Held for Sale(2)— 
Acquisition-related integration costs(2)— 
General corporate expense and other(60)(46)
Total corporate, other and eliminations(59)(77)
Depreciation and amortization(159)(108)
Interest expense, net(64)(16)
EARNINGS FROM CONTINUING OPERATIONS BEFORE TAXES$343 $360 
Reconciliation of Assets from Segment to Consolidated
The following table summarizes total assets by segment:
(In millions)March 31, 2025December 31, 2024
Assets allocated to reportable segments
Roofing$3,464 $3,107 
Insulation4,378 4,231 
Doors4,455 4,454 
Total assets allocated to reportable segments12,297 11,792 
Assets not allocated to reportable segments
Cash and cash equivalents400 321 
Non-current deferred income taxes11 8 
Investments in affiliates59 86 
Corporate property, plant and equipment, other assets and eliminations868 862 
TOTAL ASSETS FROM CONTINUING OPERATIONS$13,635 $13,069 
Schedule of Additions to Property, Plant and Equipment by Segment
The following table summarizes cash paid for property, plant and equipment by segment:
 Three Months Ended March 31,
(In millions)20252024
Reportable Segments
Roofing$62 $54 
Insulation81 61 
Doors18 — 
Total reportable segments$161 $115 
General corporate additions21 18 
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT FROM CONTINUING OPERATIONS
$182 $133 
Schedule of Property, Plant and Equipment by Geographical Areas
The following table summarizes total property, plant and equipment, net by geographic region:
(In millions)March 31, 2025December 31, 2024
North America$3,198 $3,182 
Europe550 524 
Asia Pacific68 67 
Rest of world43 45 
PROPERTY, PLANT AND EQUIPMENT, NET FROM CONTINUING OPERATIONS$3,859 $3,818 
v3.25.1
INVENTORIES (Tables)
 3 Months Ended
Mar. 31, 2025
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
Inventories consist of the following:
(In millions)March 31, 2025December 31, 2024
Finished goods$705 $664 
Materials and supplies702 663 
Total inventories$1,407 $1,327 
v3.25.1
DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
 3 Months Ended
Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Assets and Liabilities at Fair Value
The following table presents the fair value of derivatives and hedging instruments and their respective location on the Consolidated Balance Sheets:
  Fair Value at
(In millions)LocationMarch 31, 2025December 31, 2024
Derivative assets designated as hedging instruments:
Cash flow hedges:
Natural gas forward swaps for continuing operationsOther current assets$5 $3 
Natural gas forward swaps for discontinued operationsOther current assets of discontinued operations$— $1 
Derivative liabilities designated as hedging instruments:
Cash flow hedges:
Natural gas forward swaps for continuing operationsOther current liabilities$— $1 
Derivative assets not designated as hedging instruments:
Foreign exchange forward contracts for discontinued operationsOther current assets of discontinued operations$— $1 
Derivative liabilities not designated as hedging instruments:
Foreign exchange forward contracts for continuing operationsOther current liabilities$1 $1 
Foreign exchange forward contracts for discontinued operationsOther current liabilities of discontinued operations$1 $1 
Schedule of Fair Value Derivative Instruments Statements of Earnings Location
The following table presents the impact and respective location of derivative activities on the Consolidated Statements of Earnings:
  
  
Three Months Ended
March 31,
(In millions)Location20252024
Derivative activity designated as hedging instruments:
Natural gas cash flow hedges:
Amount of (gain) loss reclassified from AOCI (as defined below) into earnings (a)Cost of sales$(1)$6 
Amount of loss reclassified from AOCI (as defined below) into earnings (a)Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax$— $3 
Treasury interest rate lock:
Amount of gain reclassified from AOCI (as defined below) into earnings (a)Interest expense, net$(1)$— 
Derivative activity not designated as hedging instruments:
Foreign currency:
Amount of gain recognized in earnings (b)
Other expense, net$(1)$(1)
Amount of loss recognized in earnings (c)
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax$2 $— 
(a)Accumulated Other Comprehensive Earnings (Deficit) (“AOCI”)
(b)(Gains)/losses related to foreign currency derivatives were substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures, which were also recorded in Other expense, net. Please refer to the “Other Derivatives” section below for additional detail.
(c)(Gains)/losses related to foreign currency derivatives were substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures, which were also recorded in Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax. Please refer to the “Other Derivatives” section below for additional detail.
Consolidated Statements of Comprehensive Earnings Activity
The following table presents the impact of derivative activities on the Consolidated Statements of Comprehensive Earnings:
Amount of Gain Recognized in Comprehensive Earnings
(In millions)Three Months Ended
March 31,
Hedging TypeDerivative Financial Instrument20252024
Cash flow hedgeNatural gas forward swaps$2 $6 
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the net carrying value of goodwill by segment are as follows:
(In millions)RoofingInsulationDoorsTotal
Gross carrying amount at December 31, 2024
$654 $1,549 $1,478 $3,681 
Foreign currency translation3 28 4 35 
Gross carrying amount at March 31, 2025
657 1,577 1,482 3,716 
Accumulated impairment losses at December 31, 2024
— (936)— (936)
Foreign currency translation— (18)— (18)
Accumulated impairment losses at March 31, 2025
— (954)— (954)
Balance, net of impairment, at March 31, 2025
$657 $623 $1,482 $2,762 
Schedule of Finite-Lived Intangible Assets
Other intangible assets consist of the following:
March 31, 2025December 31, 2024
(In millions)
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
Indefinite-lived trademarks and trade names$1,229 $— $1,229 $1,225 $— $1,225 
Amortizable intangible assets
Customer relationships1,583 (400)1,183 1,570 (367)1,203 
Technology377 (210)167 373 (199)174 
Trademarks and trade names 31 (4)27 31 (4)27 
Other (a)56 (2)54 52 (1)51 
Total other intangible assets$3,276 $(616)$2,660 $3,251 $(571)$2,680 
(a) Other primarily includes emissions rights.
Schedule of Impaired Intangible Assets The following table presents the carrying values of these assets as of March 31, 2025:
(In millions)March 31, 2025
European building and technical insulation trade name
$88 
Finite-lived Intangible Assets Amortization Expense
The estimated amortization expense for intangible assets for the next five fiscal years ended December 31 is as follows:
(In millions)Amortization
2026$133 
2027$124 
2028$124 
2029$109 
2030$100 
v3.25.1
PROPERTY, PLANT AND EQUIPMENT (Tables)
 3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consist of the following:
(In millions)March 31,
2025		December 31, 2024
Land$183 $178 
Buildings and leasehold improvements1,281 1,238 
Machinery and equipment5,022 4,876 
Construction in progress535 564 
Property, plant and equipment, gross7,021 6,856 
Accumulated depreciation(3,162)(3,038)
Property, plant and equipment, net$3,859 $3,818 
v3.25.1
ACQUISITIONS (Tables)
 3 Months Ended
Mar. 31, 2025
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
Fair Value of Total Purchase Consideration Transferred
The fair value of the total purchase consideration transferred was determined as follows:
(In millions)Fair Value of Purchase Consideration
Closing cash consideration$2,935 
Pre-combination vesting portion of fair value of Masonite outstanding equity awards converted to Owens Corning time vesting RSUs35
Repayment of Masonite term loan facility216
Total transaction consideration$3,186 
Preliminary Estimated Fair Value Of Common Stock The preliminary estimated fair value of Owens Corning common stock underlying Masonite outstanding equity awards that have been converted into awards with respect to Owens Corning common stock is calculated as follows:
(In millions, except share and per share amounts)
Amount
Number of Masonite stock awards outstanding (a)639,608 
Exchange ratio (b)0.7642
Owens Corning equity awards issued for Masonite outstanding equity awards488,778 
10-day weighted average closing share price of Owens Corning common stock (c)$174.03 
Fair value of Owens Corning time vesting RSUs issued for Masonite outstanding equity awards$85 
Less: Estimated fair value allocated to post-transaction compensation expense(50)
Fair value of awards included in transaction consideration$35 
(a)    Represents the Masonite stock awards that have been converted into Owens Corning equity awards upon completion of the acquisition of Masonite, based on awards outstanding at May 15, 2024. Masonite equity awards include awards issued under various stock incentive plans of Masonite.
(b)    The exchange rate was determined by the consideration amount divided by the volume weighted average closing sale price of one share of Owens Corning common stock for the ten consecutive trading days ended May 15, 2024, in accordance with the terms of the Arrangement Agreement.
(c)    The ten-day weighted average closing share price was calculated for the ten consecutive trading days ended May 15, 2024, in accordance with the terms of the Arrangement Agreement.
Preliminary Acquisition Date Fair Value of Net Intangible Assets Acquired, Net Of Liabilities Assumed
The following table summarizes the preliminary acquisition date fair value net of measurement period adjustments of net tangible and intangible assets acquired, net of liabilities assumed as part of the Arrangement:
(In millions)As originally reportedMeasurement period adjustmentsAs adjusted
Cash and cash equivalents$282 $— $282 
Receivables, net330 — 330 
Inventories379 (1)378 
Other current assets82 (4)78 
Property, plant and equipment, net861 (3)858 
Operating lease right-of-use assets253 — 253 
Intangible assets1,579 (221)1,358 
Deferred income taxes14 — 14 
Other non-current assets91 — 91 
Total assets3,871 (229)3,642 
Accounts payable196 — 196 
Current operating lease liabilities28 — 28 
Other current liabilities187 — 187 
Long-term debt867 — 867 
Non-current operating lease liabilities235 — 235 
Deferred income taxes413 (47)366 
Other non-current liabilities32 3 35 
Net assets acquired1,913 (185)1,728 
Non-controlling interest(35)— (35)
Goodwill1,308 185 1,493 
Total net assets acquired$3,186 $— $3,186 
(In millions, except useful life amounts)Estimated
Useful Life
(in years)		Preliminary Estimated Asset Fair Value
Customer relationships
10 - 21
$979 
Technology
5
120 
Trademarks and trade names (indefinite-lived)Indefinite240 
Trademarks and trade names
10
19 
Identifiable intangible assets, net$1,358 
Pro Forma Financial Information
The following table summarizes, on an unaudited pro forma basis, the combined results of operations from continuing operations of the Company for the three months ended March 31, 2024, assuming the acquisition had occurred on January 1, 2023.
Three Months Ended March 31,
(In millions)2024
Pro Forma net sales from continuing operations$2,607 
Pro Forma net earnings from continuing operations attributable to Owens Corning$323 
v3.25.1
WARRANTIES (Tables)
 3 Months Ended
Mar. 31, 2025
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability A reconciliation of the warranty liability is as follows:
  
Three Months Ended March 31,
(In millions)20252024
Beginning balance$99 $97 
Amounts accrued for current year6 4 
Settlements of warranty claims(6)(3)
Ending balance$99 $98 
v3.25.1
RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS (Tables)
 3 Months Ended
Mar. 31, 2025
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Costs on the Consolidated Statements of Earnings
The following table presents the impact and respective location of total restructuring on the Consolidated Statements of Earnings From Continuing Operations, which are included within Corporate, Other and Eliminations:
  
Three Months Ended March 31,
(In millions)Location20252024
Accelerated depreciationCost of sales$— $(4)
Other exit costsCost of sales— (3)
SeveranceOther expense, net(2)(7)
Other exit costsOther expense, net(1)— 
Total restructuring costs$(3)$(14)
Schedule of Restructuring Reserve by Type of Cost
The following table summarizes the status of the unpaid liabilities from the Company’s restructuring activities:
March 31, 2025
(In millions)Acquisition-related RestructuringBuilding Materials Business ExitGlobal Composites RestructuringProtective Packaging ExitWabash Facility ClosureEuropean Operating Structure Optimization
Balance at December 31, 2024$3 $6 $14 $— $— $5 
Restructuring costs4 — — — — (1)
Payments(4)— (1)— — (1)
Accelerated depreciation and other non-cash items— — — — — (1)
Balance at March 31, 2025$3 $6 $13 $— $— $2 
Cumulative charges incurred$59 $6 $33 $83 $33 $14 
As of March 31, 2025, the remaining liability balance was comprised of $24 million related to severance, which the Company expects to pay over the next twelve months.
March 31, 2024
(In millions)Global Composites RestructuringProtective Packaging ExitWabash Facility ClosureEuropean Operating Structure Optimization
Balance at December 31, 2023$12 $1 $3 $6 
Restructuring costs9 3 — 2 
Payments(1)(3)(2)(2)
Accelerated depreciation and other non-cash items(4)(1)— — 
Balance at March 31, 2024$16 $— $1 $6 
Cumulative charges incurred$25 $81 $33 $14 
v3.25.1
DEBT (Tables)
 3 Months Ended
Mar. 31, 2025
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Details of the Company’s outstanding long-term debt, as well as the fair values, are as follows:
March 31, 2025December 31, 2024
(In millions)Carrying ValueFair ValueCarrying ValueFair Value
3.400% senior notes, net of discount and financing fees, due 2026
$399 98 %$399 98 %
5.500% senior notes, net of discount and financing fees, due 2027
497 102 %497 102 %
5.375% senior notes, net of discount and financing fees, due 2028
— — %29 99 %
3.950% senior notes, net of discount and financing fees, due 2029
447 97 %447 95 %
3.500% senior notes, net of discount and financing fees, due 2030
2 92 %2 89 %
3.500% senior notes, net of discount and financing fees, due 2030
339 94 %338 93 %
3.875% senior notes, net of discount and financing fees, due 2030
298 95 %298 94 %
5.700% senior notes, net of discount and financing fees, due 2034
790 103 %790 102 %
7.000% senior notes, net of discount and financing fees, due 2036
369 113 %369 112 %
4.300% senior notes, net of discount and financing fees, due 2047
589 81 %589 80 %
4.400% senior notes, net of discount and financing fees, due 2048
391 82 %391 80 %
5.950% senior notes, net of discount and financing fees, due 2054
683 100 %683 99 %
Various finance leases, due through 2050 (a)
276 100 %267 100 %
Total long-term debt5,080 N/A5,099 N/A
Less – current portion of finance leases and other (a)35 100 %32 100 %
Long-term debt, net of current portion$5,045 N/A$5,067 N/A
(a)The Company determined that the book value of the above noted long-term debt instruments approximates fair value.
v3.25.1
STOCK COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
Stock-based compensation expense included in both Marketing and administrative expenses and Net earnings/(loss) from discontinued operations attributable to Owens Corning, net of tax in the accompanying Consolidated Statements of Earnings is as follows:
Three Months Ended
March 31,
(In millions)20252024
Total stock-based compensation expense from continuing operations$20 $13 
Total stock-based compensation expense from discontinued operations1 1 
Total stock-based compensation expense$21 $14 
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
The following table summarizes the Company’s RSU activity:
  
Number of RSUsWeighted-Average
Fair Value
Balance at December 31, 20241,249,146 $107.31 
Granted233,804 180.34 
Vested(332,246)120.58 
Forfeited(4,555)142.30 
Balance at March 31, 20251,146,149 $118.21 
Share-Based Payment Arrangement, Performance Shares, Activity
The following table provides a summary of the grant date fair values of the internal Company-based metric PSUs:
Three Months Ended March 31,
20252024
Grant date fair value of units granted$171.94 $147.18 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table provides a summary of the assumptions for PSUs granted in 2025 and 2024:
Three Months Ended March 31,
20252024
Expected volatility32.78%33.88%
Risk free interest rate4.14%3.94%
Expected term (in years)2.902.91
Grant date fair value of units granted$221.54$195.95
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest
The following table summarizes the Company’s PSU activity:
  
Number of PSUsWeighted-Average
Grant Date
Fair Value
Balance at December 31, 2024219,075 $117.23 
Granted120,321 188.47 
Vested— — 
Forfeited— — 
Balance at March 31, 2025339,396 $148.85 
v3.25.1
EARNINGS PER SHARE (Tables)
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table is a reconciliation of weighted-average shares for calculating basic and diluted earnings per share:
  
Three Months Ended
March 31,
(In millions, except per share amounts)
20252024
Net earnings from continuing operations attributable to Owens Corning
$255 $278 
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax(348)21 
NET (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING
$(93)$299 
Weighted-average number of shares outstanding used for basic earnings per share85.8 87.3 
Unvested restricted stock units and performance share units0.5 0.6 
Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings per share86.3 87.9 
(Loss) Earnings per common share attributable to Owens Corning common stockholders:
Basic - continuing operations$2.97 $3.18 
Basic - discontinued operations$(4.05)$0.24 
Basic$(1.08)$3.42 
Diluted - continuing operations$2.95 $3.16 
Diluted - discontinued operations$(4.03)$0.24 
Diluted$(1.08)$3.40 
v3.25.1
INCOME TAXES (Tables)
 3 Months Ended
Mar. 31, 2025
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The following table provides the Income tax expense and effective tax rate for the periods indicated:
  
Three Months Ended March 31,
(In millions, except effective tax rate)
20252024
Income tax expense$88 $83 
Effective tax rate26 %23 %
v3.25.1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT (Tables)
 3 Months Ended
Mar. 31, 2025
Equity [Abstract]  
Components of Accumulated Other Comprehensive Income (Loss)
The following table summarizes the changes in accumulated other comprehensive income (deficit):
Three Months Ended
March 31,
  
(In millions)
20252024
Currency Translation Adjustment
Beginning balance$(534)$(318)
Gain (loss) on foreign currency translation75 (41)
Other comprehensive income (loss), net of tax75 (41)
Ending balance$(459)$(359)
Pension and Other Postretirement Adjustment
Beginning balance$(181)$(196)
Amounts reclassified from AOCI to net earnings, net of tax (a)— 1 
Amounts classified into AOCI, net of tax(3)(1)
Other comprehensive loss, net of tax(3)— 
Ending balance$(184)$(196)
Hedging Adjustment
Beginning balance$24 $11 
Amounts reclassified from AOCI to net earnings, net of tax (b)(2)7 
Amounts classified into AOCI, net of tax3 (2)
Other comprehensive income, net of tax1 5 
Ending balance$25 $16 
Total AOCI ending balance$(618)$(539)
(a)These AOCI components are included in the computation of total Pension and Other postretirement expense and are recorded in Non-operating expense.
(b)Amounts reclassified from (loss) gain on cash flow hedges are reclassified from AOCI to income when the hedged item affects earnings and is recognized in Cost of sales or Interest expense, net depending on the hedged item. See Note 5 for additional information.
v3.25.1
GENERAL (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
May 15, 2024
Feb. 08, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]            
Contract liability $ 123 $ 101 $ 118     $ 101
Contract liability, revenue recognized 12 15        
Restricted cash 8   8      
Related party transaction, expenses 25 32        
Outstanding supplier finance programs 234   234      
Invoices paid 152 $ 136        
Related Party            
Related Party Transaction [Line Items]            
Due to related party supplier $ 7   $ 3      
First Customer | Accounts Receivable | Customer Concentration Risk            
Related Party Transaction [Line Items]            
Concentration risk percentage 21.00%          
Second Customer | Accounts Receivable | Customer Concentration Risk            
Related Party Transaction [Line Items]            
Concentration risk percentage 18.00%          
Masonite            
Related Party Transaction [Line Items]            
Purchase price (in dollars per share)       $ 133.00 $ 133.00  
v3.25.1
DISCONTINUED OPERATIONS - Narrative (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Feb. 13, 2025
USD ($)
Mar. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Tangible Asset Impairment Charges     $ 483
Number of reportable segments | segment   3  
Property, Plant and Equipment      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Tangible Asset Impairment Charges     439
Operating Lease, Right-Of-Use Asset      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Tangible Asset Impairment Charges     30
Finite-Lived Intangible Assets      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Tangible Asset Impairment Charges     14
Discontinued Operations, Disposed of by Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Disposal Group, Including Discontinued Operation, Consideration $ 436 $ 498  
Noncash or Part Noncash Divestiture, Amount of Consideration Received $ 225    
Disposal Group, Including Discontinued Operation, Goodwill   $ 99 $ 98
v3.25.1
DISCONTINUED OPERATIONS - Net Earnings (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
NET (LOSS) EARNINGS FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX $ (348) $ 21
Discontinued Operations, Disposed of by Sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
NET SALES 270 283
COST OF SALES 204 231
Marketing and administrative expenses 17 22
Loss from classification as discontinued operation 362 0
Other expense, net 2 3
Total operating expenses 381 25
Interest expense, net 1 1
Income tax expense 32 5
NET (LOSS) EARNINGS FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX $ (348) $ 21
v3.25.1
DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Current assets of discontinued operations $ 415 $ 427
Non-current assets of discontinued operations 216 579
Disposal Group, Including Discontinued Operation, Other Liabilities, Current 192 226
Non-current liabilities of discontinued operations 110 95
Discontinued Operations, Disposed of by Sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents 40 40
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net 97 104
Disposal Group, Including Discontinued Operation, Inventory 264 260
Current assets of discontinued operations 14 23
Current assets of discontinued operations 415 427
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment 366 346
Disposal Group, Including Discontinued Operation, Goodwill 99 98
Disposal Group, Including Discontinued Operation, Deferred Tax Assets 4 46
Non-current assets of discontinued operations 94 89
Non-current assets of discontinued operations 216 579
Disposal Group, Including Discontinued Operation, Accounts Payable 114 129
Disposal Group, Including Discontinued Operation, Provision For Loss on Discontinued Operations (347) 0
Disposal Group, Including Discontinued Operation, Other Liabilities, Current 78 97
Disposal Group, Including Discontinued Operation, Other Liabilities, Current 192 226
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities 7 0
Disposal Group, Including Discontinued Operation, Other Liabilities 103 95
Non-current liabilities of discontinued operations $ 110 $ 95
v3.25.1
DISCONTINUED OPERATIONS - Cash Flows (Details) - Discontinued Operations, Disposed of by Sale - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Disposal Group, Including Discontinued Operation, Depreciation and Amortization $ 0 $ 23
Disposal Group, Including Discontinued Operation, Payments to Acquire Productive Assets $ 21 $ 19
v3.25.1
SEGMENT INFORMATION (Details)
$ in Millions
 3 Months Ended 5 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
segment
Mar. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Segment Reporting, Significant Reconciling Item [Line Items]        
Number of reportable segments | segment 3      
Disaggregated revenue $ 2,530 $ 2,017    
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES 407 376    
Depreciation and amortization (159) (108)    
Restructuring Excluding Depreciation and Amortization (3) (10)    
Gains on sale of certain precious metals 9 0    
Paroc marine recall (1) (1)    
Strategic review-related charges 0 (2)    
General corporate expense and other (60) (46)    
Gain (Loss) on Disposition of Business (2) 0   $ (91)
Interest Expense, Operating and Nonoperating (64) (16)    
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 343 360    
Acquisition-related transaction costs        
Segment Reporting, Significant Reconciling Item [Line Items]        
Acquisition-related transaction costs 0 (18)    
Acquisition-related integration costs        
Segment Reporting, Significant Reconciling Item [Line Items]        
Acquisition-related transaction costs (2) 0    
Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 2,569 2,055    
Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue (39) (38)    
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES (59) (77)    
Europe        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 268 224    
Europe | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 270 225    
Europe | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue (2) (1)    
Asia Pacific        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 29 30    
Asia Pacific | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 29 30    
Asia Pacific | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 0 0    
Rest of world        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 9 4    
Rest of world | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 9 4    
Rest of world | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 0 0    
North America        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 2,224 1,759    
North America | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 2,261 1,796    
North America | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue (37) (37)    
North America | Residential        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 1,794 1,325    
North America | Residential | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 1,829 1,358    
North America | Residential | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue (35) (33)    
North America | Commercial and Industrial Sector        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 430 434    
North America | Commercial and Industrial Sector | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 432 438    
North America | Commercial and Industrial Sector | Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue (2) (4)    
Roofing | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 1,120 1,098    
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES 332 338    
Roofing | Europe | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 48 49    
Roofing | Asia Pacific | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 4 3    
Roofing | Rest of world | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 0 0    
Roofing | North America | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 1,068 1,046    
Roofing | North America | Residential | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 968 960    
Roofing | North America | Commercial and Industrial Sector | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 100 86    
Insulation | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 909 957    
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES 225 223    
Insulation | Europe | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 166 176    
Insulation | Asia Pacific | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 25 27    
Insulation | Rest of world | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 4 4    
Insulation | North America | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 714 750    
Insulation | North America | Residential | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 382 398    
Insulation | North America | Commercial and Industrial Sector | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 332 352    
Doors | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 540 0 $ 540  
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES 68 0    
Doors | Europe | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 56 0    
Doors | Asia Pacific | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 0 0    
Doors | Rest of world | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 5 0    
Doors | North America | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 479 0    
Doors | North America | Residential | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 479 0    
Doors | North America | Commercial and Industrial Sector | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Disaggregated revenue 0 0    
Total Segments | Operating Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES $ 625 $ 561    
v3.25.1
SEGMENT INFORMATION - Total Assets and Property, Plant and Equipment by Geographic Region (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Segment Reporting Information [Line Items]      
Total Assets $ 14,266 $ 14,075  
Cash and cash equivalents 400 321  
Noncurrent deferred income taxes 11 8  
Property, plant and equipment, net 3,859 3,818  
Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 13,635   $ 13,069
Cash and cash equivalents 400   321
Noncurrent deferred income taxes 11   8
Investments in affiliates 59   86
Corporate property, plant and equipment, net 868   862
Property, plant and equipment, net 3,859 3,818  
Roofing | Operating Segments | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 3,464   3,107
Insulation | Operating Segments | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 4,378   4,231
Doors | Operating Segments | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 4,455   4,454
Total Segments | Operating Segments | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 12,297   $ 11,792
North America | Continuing Operations      
Segment Reporting Information [Line Items]      
Property, plant and equipment, net 3,198 3,182  
Europe | Continuing Operations      
Segment Reporting Information [Line Items]      
Property, plant and equipment, net 550 524  
Asia Pacific | Continuing Operations      
Segment Reporting Information [Line Items]      
Property, plant and equipment, net 68 67  
Other Geographical | Continuing Operations      
Segment Reporting Information [Line Items]      
Property, plant and equipment, net $ 43 $ 45  
v3.25.1
SEGMENT INFORMATION - Additions to Property, Plant and Equipment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions $ 182 $ 133
Segment Reporting, Reconciling Item, Corporate Nonsegment    
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions 21 18
Insulation | Operating Segments    
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions 81 61
Roofing | Operating Segments    
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions 62 54
Total Segments | Operating Segments    
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions 161 115
Doors | Operating Segments    
Segment Reporting Information [Line Items]    
Property, plant and equipment, additions $ 18 $ 0
v3.25.1
INVENTORIES (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Inventory Disclosure [Abstract]    
Finished goods $ 705 $ 664
Materials and supplies 702 663
Total inventories $ 1,407 $ 1,327
v3.25.1
DERIVATIVE FINANCIAL INSTRUMENTS - Balance Sheet (Details) - USD ($)
$ in Millions
 1 Months Ended
May 31, 2024
Dec. 31, 2022
Mar. 31, 2025
Dec. 31, 2024
Treasury interest rate lock        
Derivatives, Fair Value [Line Items]        
Amortized portion part of interest expense for future issuance of debt $ 31 $ 31    
Designated as Hedging Instrument | Cash Flow Hedging | Energy Related Derivative | Continuing Operations        
Derivatives, Fair Value [Line Items]        
Derivative asset, fair value     $ 5 $ 3
Derivative liability, fair value     0 1
Designated as Hedging Instrument | Cash Flow Hedging | Energy Related Derivative | Discontinued Operations        
Derivatives, Fair Value [Line Items]        
Derivative asset, fair value     0 1
Nondesignated as Hedging Instrument | Foreign Exchange Contract        
Derivatives, Fair Value [Line Items]        
Derivative asset, fair value     0 1
Nondesignated as Hedging Instrument | Foreign Exchange Contract | Continuing Operations        
Derivatives, Fair Value [Line Items]        
Derivative liability, fair value     1 1
Nondesignated as Hedging Instrument | Foreign Exchange Contract | Discontinued Operations        
Derivatives, Fair Value [Line Items]        
Derivative liability, fair value     $ 1 $ 1
v3.25.1
DERIVATIVE FINANCIAL INSTRUMENTS - Income Statement (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Energy Related Derivative | Cash Flow Hedging    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain (loss) reclassified from AOCI (as defined below) into earnings $ (5)  
Amount of gain recognized in earnings 2 $ 6
Designated as Hedging Instrument | Energy Related Derivative | Cost of sales    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain (loss) reclassified from AOCI (as defined below) into earnings 1 (6)
Designated as Hedging Instrument | Energy Related Derivative | Discontinued Operations    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain (loss) reclassified from AOCI (as defined below) into earnings 0 (3)
Nondesignated as Hedging Instrument | Foreign Exchange Contract | Other expense, net    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain recognized in earnings (1) (1)
Nondesignated as Hedging Instrument | Foreign Exchange Contract | Discontinued Operations    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain recognized in earnings 2 0
Nondesignated as Hedging Instrument | Treasury interest rate lock    
Derivative Instruments Gain Loss [Line Items]    
Amount of gain (loss) reclassified from AOCI (as defined below) into earnings $ (1) $ 0
v3.25.1
DERIVATIVE FINANCIAL INSTRUMENTS - Cash Flow (Details)
MMBTU in Millions, $ in Millions
 1 Months Ended 3 Months Ended
May 31, 2024
USD ($)
Dec. 31, 2022
USD ($)
Sep. 30, 2022
USD ($)
Mar. 31, 2025
USD ($)
MMBTU
Mar. 31, 2024
USD ($)
Dec. 31, 2020
USD ($)
Derivative [Line Items]            
Recognized gain       $ 1    
Unrecognized gain included in AOCI       $ 29    
5.700% senior notes, net of discount and financing fees, due 2034            
Derivative [Line Items]            
Long-term debt, percentage rate 5.70%     5.70%    
Energy Related Derivative | Cash Flow Hedging            
Derivative [Line Items]            
Derivative, nonmonetary notional amount | MMBTU       6    
Loss reclassified from AOCI       $ 5    
Amount of gain recognized in earnings       (2) $ (6)  
Unrealized Gain (Loss) on Derivatives       $ 5    
Treasury interest rate lock            
Derivative [Line Items]            
Derivative, notional amount           $ 175
Term of derivatives (in years)       10 years    
Derivative, fixed interest rate           0.994%
Amount of gain recognized in earnings     $ 6      
Cash received upon settlement   $ 37        
Amortized portion part of interest expense for future issuance of debt $ 31 $ 31        
Euro Member Countries, Euro | Foreign exchange forward contracts            
Derivative [Line Items]            
Derivative, notional amount       $ 96    
U.S. | Foreign exchange forward contracts            
Derivative [Line Items]            
Derivative, notional amount       $ 157    
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
intangible_asset
Mar. 31, 2024
USD ($)
Finite-Lived Intangible Assets [Line Items]    
Number of indefinite-lived intangible assets are increased risk of impairment | intangible_asset 1  
Amortization expense for intangible assets $ 38 $ 16
Amortization expense for intangible assets for remainder of the year 109  
Goodwill, Allocated, Amount $ 325  
Maximum    
Finite-Lived Intangible Assets [Line Items]    
Weighted average useful life (in years) 25 years  
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill Rollforward (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount $ 3,681  
Foreign currency translation 35  
Balance at end of period, gross carrying amount 3,716  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss (936)  
Foreign currency translation (18)  
Balance at end of period, accumulated impairment loss (954)  
Goodwill, net 2,762 $ 2,745
Roofing    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 654  
Foreign currency translation 3  
Balance at end of period, gross carrying amount 657  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss 0  
Foreign currency translation 0  
Balance at end of period, accumulated impairment loss 0  
Goodwill, net 657  
Insulation    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 1,549  
Foreign currency translation 28  
Balance at end of period, gross carrying amount 1,577  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss (936)  
Foreign currency translation (18)  
Balance at end of period, accumulated impairment loss (954)  
Goodwill, net 623  
Doors    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 1,478  
Foreign currency translation 4  
Balance at end of period, gross carrying amount 1,482  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss 0  
Foreign currency translation 0  
Balance at end of period, accumulated impairment loss 0  
Goodwill, net $ 1,482  
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible Assets Rollforward (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Accumulated Amortization $ (616) $ (571)
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Amount 3,276 3,251
Accumulated Amortization (616) (571)
Net Carrying Amount 2,660 2,680
Trademarks and trade names    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Indefinite-lived trademarks and trade names 1,229 1,225
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 1,583 1,570
Accumulated Amortization (400) (367)
Net Carrying Amount 1,183 1,203
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (400) (367)
Technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 377 373
Accumulated Amortization (210) (199)
Net Carrying Amount 167 174
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (210) (199)
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 31 31
Accumulated Amortization (4) (4)
Net Carrying Amount 27 27
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (4) (4)
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 56 52
Accumulated Amortization (2) (1)
Net Carrying Amount 54 51
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization $ (2) $ (1)
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Impaired Intangible Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Schedule Of Intangible Assets By Major Class [Line Items]    
Intangible assets, net $ 2,660 $ 2,680
European building and technical insulation trade name    
Schedule Of Intangible Assets By Major Class [Line Items]    
Intangible assets, net $ 88  
v3.25.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Amortization Expense (Details)
$ in Millions
Mar. 31, 2025
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2026 $ 133
2027 124
2028 124
2029 109
2030 $ 100
v3.25.1
PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 7,021 $ 6,856
Accumulated depreciation (3,162) (3,038)
Property, plant and equipment, net $ 3,859 3,818
Precious metals depletion percentage 4.00%  
Gains On Sale Of Certain Precious Metals $ 9  
Land    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross 183 178
Buildings and leasehold improvements    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross 1,281 1,238
Machinery and equipment    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross 5,022 4,876
Construction in progress    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 535 $ 564
v3.25.1
ACQUISITIONS - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 5 Months Ended
May 15, 2024
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Dec. 31, 2024
May 13, 2024
Apr. 15, 2024
Feb. 08, 2024
Business Acquisition [Line Items]                
Common stock, outstanding (in shares)         85,400      
Goodwill   $ 2,762     $ 2,745      
Net sales   (2,530) $ (2,017)          
Increase (decrease) in net earnings   (93) 298          
Acquisition-related transaction costs                
Business Acquisition [Line Items]                
Acquisition related costs   0 18          
Acquisition-related integration costs                
Business Acquisition [Line Items]                
Acquisition related costs   $ 2 $ 0          
5.375% senior notes, net of discount and financing fees, due 2028                
Business Acquisition [Line Items]                
Long-term debt, percentage rate   5.375%            
Masonite                
Business Acquisition [Line Items]                
Purchase price (in dollars per share) $ 133.00             $ 133.00
Percentage of voting rights to be acquired 100.00%              
Business combination, consideration transferred $ 3,186              
Debt proceeds $ 2,800              
Net earnings       $ 11        
Price per share (in dollars per share) $ 133.00              
Goodwill $ 1,493              
Receivables, net 330              
Gross accounts receivable 331              
Uncollectible accounts receivable 1              
Fair value of inventory stepped up 18              
Property, plant and equipment, net 858              
Intangible assets 1,358              
Masonite | Measurement period adjustments                
Business Acquisition [Line Items]                
Goodwill 185              
Receivables, net 0              
Property, plant and equipment, net (3)              
Intangible assets $ (221)              
Masonite | Dominance Industries, Inc.                
Business Acquisition [Line Items]                
Percentage of voting rights to be acquired 45.00%              
Masonite | Vanair Design Inc.                
Business Acquisition [Line Items]                
Percentage of voting rights to be acquired 30.00%              
Masonite | Sacopan Inc.                
Business Acquisition [Line Items]                
Percentage of voting rights to be acquired 25.00%              
Masonite | Magna Foremost SDN BHD                
Business Acquisition [Line Items]                
Percentage of voting rights to be acquired 50.00%              
Masonite | Masonite                
Business Acquisition [Line Items]                
Common stock, outstanding (in shares) 22,070              
Masonite | 5.375% senior notes, net of discount and financing fees, due 2028                
Business Acquisition [Line Items]                
Percentage of long-term debt tendered           94.25%    
Long-term debt, percentage rate             5.375%  
v3.25.1
ACQUISITIONS - Fair Value of Total Purchase Consideration Transferred (Details) - Masonite
$ in Millions
May 15, 2024
USD ($)
Business Acquisition [Line Items]  
Closing cash consideration $ 2,935
Pre-combination vesting portion of fair value of Masonite outstanding equity awards converted to Owens Corning time vesting RSUs 35
Repayment of Masonite term loan facility 216
Total transaction consideration $ 3,186
v3.25.1
ACQUISITIONS - Preliminary Estimated Fair Value Of Common Stock (Details) - Masonite
$ / shares in Units, $ in Millions
May 15, 2024
USD ($)
$ / shares
shares
Business Acquisition [Line Items]  
Number of Masonite stock awards outstanding (in shares) | shares 639,608
Exchange ratio (in shares) | shares 0.7642
Owens Corning equity awards issued for Masonite outstanding equity awards (in shares) | shares 488,778
10-day weighted average closing share price of Owens Corning common stock (in dollars per share) | $ / shares $ 174.03
Fair value of Owens Corning time vesting RSUs issued for Masonite outstanding equity awards | $ $ 85
Less: Estimated fair value allocated to post-transaction compensation expense | $ (50)
Fair value of awards included in transaction consideration | $ $ 35
v3.25.1
ACQUISITIONS - Preliminary Acquisition Date Fair Value of Net Intangible Assets Acquired, Net Of Liabilities Assumed (Details) - USD ($)
$ in Millions
May 15, 2024
Mar. 31, 2025
Dec. 31, 2024
Business Acquisition [Line Items]      
Goodwill   $ 2,762 $ 2,745
Masonite      
Business Acquisition [Line Items]      
Cash and cash equivalents $ 282    
Receivables, net 330    
Inventories 378    
Other current assets 78    
Property, plant and equipment, net 858    
Operating lease right-of-use assets 253    
Intangible assets 1,358    
Deferred income taxes 14    
Other non-current assets 91    
Total assets 3,642    
Accounts payable 196    
Current operating lease liabilities 28    
Other current liabilities 187    
Long-term debt 867    
Non-current operating lease liabilities 235    
Deferred income taxes 366    
Other non-current liabilities 35    
Net assets acquired 1,728    
Non-controlling interest (35)    
Goodwill 1,493    
Total net assets acquired 3,186    
Masonite | As originally reported      
Business Acquisition [Line Items]      
Cash and cash equivalents 282    
Receivables, net 330    
Inventories 379    
Other current assets 82    
Property, plant and equipment, net 861    
Operating lease right-of-use assets 253    
Intangible assets 1,579    
Deferred income taxes 14    
Other non-current assets 91    
Total assets 3,871    
Accounts payable 196    
Current operating lease liabilities 28    
Other current liabilities 187    
Long-term debt 867    
Non-current operating lease liabilities 235    
Deferred income taxes 413    
Other non-current liabilities 32    
Net assets acquired 1,913    
Non-controlling interest (35)    
Goodwill 1,308    
Total net assets acquired 3,186    
Masonite | Measurement period adjustments      
Business Acquisition [Line Items]      
Cash and cash equivalents 0    
Receivables, net 0    
Inventories (1)    
Other current assets (4)    
Property, plant and equipment, net (3)    
Operating lease right-of-use assets 0    
Intangible assets (221)    
Deferred income taxes 0    
Other non-current assets 0    
Total assets (229)    
Accounts payable 0    
Current operating lease liabilities 0    
Other current liabilities 0    
Long-term debt 0    
Non-current operating lease liabilities 0    
Deferred income taxes (47)    
Other non-current liabilities 3    
Net assets acquired (185)    
Non-controlling interest 0    
Goodwill 185    
Total net assets acquired 0    
Masonite | Trademarks and trade names (indefinite-lived)      
Business Acquisition [Line Items]      
Intangible assets 240    
Masonite | Customer relationships      
Business Acquisition [Line Items]      
Intangible assets $ 979    
Masonite | Customer relationships | Minimum      
Business Acquisition [Line Items]      
Estimated Useful Life (in years) 10 years    
Masonite | Customer relationships | Maximum      
Business Acquisition [Line Items]      
Estimated Useful Life (in years) 21 years    
Masonite | Technology      
Business Acquisition [Line Items]      
Intangible assets $ 120    
Estimated Useful Life (in years) 5 years    
Masonite | Trademarks and trade names (indefinite-lived)      
Business Acquisition [Line Items]      
Intangible assets $ 19    
Estimated Useful Life (in years) 10 years    
v3.25.1
ACQUISITIONS - Pro Forma Financial Information (Details) - Masonite
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
Business Acquisition [Line Items]  
Pro Forma net sales from continuing operations $ 2,607
Pro Forma net earnings from continuing operations attributable to Owens Corning $ 323
v3.25.1
ASSETS HELD FOR SALE (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Nov. 04, 2024
USD ($)
manufacturing_facility
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Current assets of discontinued operations   $ 415   $ 427
Loss on sale of business   $ 2 $ 0 91
Revision of Prior Period, Reclassification, Adjustment        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Current assets of discontinued operations       $ 2
Building Materials Business        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Annual revenues $ 130      
Building Materials Business | CHINA        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Number of manufacturing facilities | manufacturing_facility 6      
Building Materials Business | KOREA, REPUBLIC OF        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Number of manufacturing facilities | manufacturing_facility 1      
v3.25.1
WARRANTIES (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Movement In Standard And Extended Product Warranty Increase Decrease Roll Forward    
Product warranty accrual, beginning balance $ 99 $ 97
Amounts accrued for current year 6 4
Settlements of warranty claims (6) (3)
Product warranty accrual, ending balance $ 99 $ 98
v3.25.1
RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
May 31, 2023
Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]            
Loss on sale of business $ 2 $ 0 $ 91      
Restructuring Excluding Depreciation and Amortization 3 14        
Restructuring Reserve [Roll Forward]            
Restructuring Costs 3 14        
Wabash, Indiana Facility Closure            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0 0        
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 0 3 3      
Restructuring Costs 0 0        
Payments 0 (2)        
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items 0 0        
Restructuring Reserve, Ending Balance 0 1 0      
Cumulative charges incurred 33 33        
Acquisition-related Restructuring            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 4          
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 3          
Restructuring Costs 4          
Payments (4)          
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items 0          
Restructuring Reserve, Ending Balance 3   3      
Cumulative charges incurred 59          
Global Composites Restructuring            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0 9        
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 14 12 12      
Restructuring Costs 0 9        
Payments (1) (1)        
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items 0 (4)        
Restructuring Reserve, Ending Balance 13 16 14      
Cumulative charges incurred 33 25        
Protective Packaging Exit            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0 3        
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 0 1 1      
Restructuring Costs 0 3        
Payments 0 (3)        
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items 0 (1)        
Restructuring Reserve, Ending Balance 0 0 0      
Cumulative charges incurred 83 81        
European Operating Structure Optimization            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost           $ 20
Restructuring Excluding Depreciation and Amortization (1) 2        
Severance costs 1          
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 5 6 6      
Restructuring Costs (1) 2        
Payments (1) (2)        
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items (1) 0        
Restructuring Reserve, Ending Balance 2 6 5      
Cumulative charges incurred 14 14        
Doors European Restructuring [Member]            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0          
Restructuring Reserve [Roll Forward]            
Restructuring Reserve, Beginning Balance 6          
Restructuring Costs 0          
Payments 0          
Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items 0          
Restructuring Reserve, Ending Balance 6   6      
Cumulative charges incurred 6          
Employee Severance And Other Exit Costs | Building Materials Business Exit            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost 15          
Employee Severance And Other Exit Costs | Global Composites Restructuring | Minimum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost       $ 20    
Employee Severance And Other Exit Costs | Global Composites Restructuring | Maximum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost       30    
Employee Severance And Other Exit Costs | Protective Packaging Exit            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost         $ 15  
Accelerated depreciation            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0 4        
Restructuring Reserve [Roll Forward]            
Restructuring Costs 0 4        
Accelerated depreciation | Global Composites Restructuring | Minimum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost       15    
Accelerated depreciation | Global Composites Restructuring | Maximum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost       $ 20    
Accelerated depreciation | Protective Packaging Exit | Minimum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost         70  
Accelerated depreciation | Protective Packaging Exit | Maximum            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost         $ 75  
Employee Severance And Accelerated Depreciation | Wabash, Indiana Facility Closure            
Restructuring Cost and Reserve [Line Items]            
Restructuring cost, expected cost     $ 30      
Other exit costs            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 0 3        
Restructuring Reserve [Roll Forward]            
Restructuring Costs 0 3        
Severance            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 2 7        
Restructuring Reserve [Roll Forward]            
Restructuring Costs 2 7        
Restructuring Reserve, Ending Balance 24          
Additional Exit Costs            
Restructuring Cost and Reserve [Line Items]            
Restructuring Excluding Depreciation and Amortization 1 0        
Restructuring Reserve [Roll Forward]            
Restructuring Costs $ 1 $ 0        
v3.25.1
DEBT (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended
Feb. 01, 2025
May 16, 2024
May 15, 2024
Mar. 01, 2024
Aug. 12, 2019
Jun. 26, 2017
Aug. 08, 2016
Nov. 12, 2014
May 31, 2024
Dec. 31, 2024
Mar. 31, 2018
Mar. 31, 2025
Mar. 05, 2025
Mar. 04, 2025
May 22, 2024
May 13, 2024
May 01, 2024
Apr. 15, 2024
May 12, 2020
Jan. 25, 2018
Oct. 31, 2006
Debt Instrument [Line Items]                                          
Fair Value                   100.00%   100.00%                  
Other                   $ 5,099   $ 5,080                  
Less – current portion of senior notes                   32   35                  
Long-term debt, net of current portion                   5,067   $ 5,045                  
Masonite                                          
Debt Instrument [Line Items]                                          
Repayments of debt     $ 216                                    
3.400% senior notes, net of discount and financing fees, due 2026                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       3.40%                  
Carrying Value                   $ 399   $ 399                  
Fair Value                   98.00%   98.00%                  
Debt instrument, face amount             $ 400                            
5.500% senior notes, net of discount and financing fees, due 2027                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                 5.50%     5.50%                  
Carrying Value                   $ 497   $ 497                  
Fair Value                   102.00%   102.00%                  
Debt instrument, face amount                 $ 500                        
Debt issuance costs                 $ 4                        
5.375% senior notes, net of discount and financing fees, due 2028                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       5.375%                  
Carrying Value                   $ 29   $ 0                  
Fair Value                   99.00%   0.00%                  
Repayments of debt $ 30                                        
5.375% senior notes, net of discount and financing fees, due 2028 | Masonite                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                                   5.375%      
Carrying Value                                   $ 29      
Debt instrument, face amount                                   $ 501      
Repayments of debt   $ 480                                      
Percentage of long-term debt tendered                               94.25%          
Interest expense   7                                      
Premium on long-term debt   $ 1                                      
3.950% senior notes, net of discount and financing fees, due 2029                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       3.95%                  
Carrying Value                   $ 447   $ 447                  
Fair Value                   95.00%   97.00%                  
Debt instrument, face amount         $ 450                                
3.500% senior notes, net of discount and financing fees, due 2030                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       3.50%                  
Carrying Value                   $ 2   $ 2                  
Fair Value                   89.00%   92.00%                  
3.500% senior notes, net of discount and financing fees, due 2030                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       3.50%                  
Carrying Value                   $ 338   $ 339                  
Fair Value                   93.00%   94.00%                  
3.875% senior notes, net of discount and financing fees, due 2030                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       3.875%                  
Carrying Value                   $ 298   $ 298                  
Fair Value                   94.00%   95.00%                  
Debt instrument, face amount                                     $ 300    
5.700% senior notes, net of discount and financing fees, due 2034                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                 5.70%     5.70%                  
Carrying Value                   $ 790   $ 790                  
Fair Value                   102.00%   103.00%                  
Debt instrument, face amount                 $ 800                        
Debt issuance costs                 $ 11                        
7.000% senior notes, net of discount and financing fees, due 2036                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       7.00%                  
Carrying Value                   $ 369   $ 369                  
Fair Value                   112.00%   113.00%                  
Debt instrument, face amount                                         $ 550
Repayments of debt         34 $ 140                              
4.300% senior notes, net of discount and financing fees, due 2047                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       4.30%                  
Carrying Value                   $ 589   $ 589                  
Fair Value                   80.00%   81.00%                  
Debt instrument, face amount           600                              
4.400% senior notes, net of discount and financing fees, due 2048                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                       4.40%                  
Carrying Value                   $ 391   $ 391                  
Fair Value                   80.00%   82.00%                  
Debt instrument, face amount                                       $ 400  
5.950% senior notes, net of discount and financing fees, due 2054                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                 5.95%     5.95%                  
Carrying Value                   $ 683   $ 683                  
Fair Value                   99.00%   100.00%                  
Debt instrument, face amount                 $ 700                        
Debt issuance costs                 17                        
Various finance leases, due through 2032                                          
Debt Instrument [Line Items]                                          
Carrying Value                   $ 267   $ 276                  
Fair Value                   100.00%   100.00%                  
Senior Notes Due 2022                                          
Debt Instrument [Line Items]                                          
Repayments of debt         $ 416                                
Senior Notes Due 2019                                          
Debt Instrument [Line Items]                                          
Repayments of debt           $ 144   $ 105                          
Senior Notes Due 2016                                          
Debt Instrument [Line Items]                                          
Repayments of debt             $ 158 242                          
Senior Revolving Credit Facility                                          
Debt Instrument [Line Items]                                          
Proceeds from issuance of debt                     $ 600                    
Line of credit facility, maximum borrowing capacity                         $ 1,500 $ 1,000              
Borrowings from lines of credit 30                                        
Long-Term Line of Credit                       $ 0                  
Line of Credit Facility, Remaining Borrowing Capacity                       1,500                  
Receivables Securitization Facility                                          
Debt Instrument [Line Items]                                          
Borrowings from lines of credit $ 299                                        
364-Day Credit Facility                                          
Debt Instrument [Line Items]                                          
Line of credit facility, maximum borrowing capacity       $ 3,000                                  
Debt instrument, term       364 days                                  
364-Day Credit Facility | Masonite                                          
Debt Instrument [Line Items]                                          
Borrowings from lines of credit                 2,800                        
Financing costs                 $ 16                        
Masonite 2030 Notes | Masonite                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                                 3.50%        
Carrying Value                                 $ 2        
Percentage of long-term debt tendered                             99.51%            
Owens Corning 2030 Notes | Masonite                                          
Debt Instrument [Line Items]                                          
Long-term debt, percentage rate                                 3.50%        
Debt instrument, face amount                             $ 373            
Commercial Paper                                          
Debt Instrument [Line Items]                                          
Debt instrument, term       397 days                                  
Commercial Paper                       $ 500                  
Debt, Weighted Average Interest Rate                       4.62%                  
Debt, Weighted Average Maturity Period                       29 days                  
Commercial Paper, Maximum Borrowing Capacity                         $ 1,500                
Senior Notes Due 2024                                          
Debt Instrument [Line Items]                                          
Debt instrument, face amount               $ 400                          
Repayments of debt                   $ 400                      
v3.25.1
CONTINGENT LIABILITIES AND OTHER MATTERS (Details)
$ in Millions
 3 Months Ended
Sep. 30, 2024
USD ($)
Mar. 31, 2025
USD ($)
site
Unusual or Infrequent Item, or Both [Line Items]    
Environmental liability sites | site   25
Environmental exit costs, accrual | $   $ 4
Environmental exit costs, accrual, current | $   $ 2
Monetary sanctions | $ $ 1  
Superfund Site    
Unusual or Infrequent Item, or Both [Line Items]    
Environmental liability sites | site   10
Owned or Formally Owned Sites    
Unusual or Infrequent Item, or Both [Line Items]    
Environmental liability sites | site   15
v3.25.1
STOCK COMPENSATION - Narrative (Details)
$ / shares in Units, $ in Millions
 3 Months Ended
May 15, 2024
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
$ / shares
shares
Mar. 31, 2024
USD ($)
$ / shares
Feb. 08, 2024
$ / shares
Apr. 16, 2020
shares
Apr. 18, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Maximum employee subscription rate           85.00%
General and Administrative Expense            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated share based compensation expense (less than)   $ 21 $ 14      
General and Administrative Expense | Continuing Operations            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated share based compensation expense (less than)   20 13      
General and Administrative Expense | Discontinued Operations            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated share based compensation expense (less than)   1 $ 1      
Acquisition-related Restructuring            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Accelerated depreciation and other non-cash items   0        
Masonite            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Exchange ratio (in shares) | shares 0.7642          
Purchase price (in dollars per share) | $ / shares $ 133.00     $ 133.00    
10-day weighted average closing share price of Owens Corning common stock (in dollars per share) | $ / shares $ 174.03          
Fair value of Owens Corning time vesting RSUs issued for Masonite outstanding equity awards $ 85          
Fair value of awards included in transaction consideration 35          
Post-combination expense $ 50          
Equity Issued in Business Combination, Post-Transaction Compensation Expense, Accelerated   $ 26        
Internal Based Performance Metric            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   3 years        
Grant date fair value of units granted | $ / shares   $ 171.94 $ 147.18      
External Based Performance Metric            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   3 years        
Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Employee emergence equity program expense   $ 3 $ 2      
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   2 years 7 days        
Compensation cost not yet recognized   $ 79        
Vested in period, fair value   $ 40 $ 23      
Restricted Stock Units (RSUs) | Masonite            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant | shares   600,000        
Vesting period   1 year 6 months 3 days        
Shares converted (in shares) | shares 300,000          
Restricted Stock Units (RSUs) | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   3 years        
Restricted Stock Units (RSUs) | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   4 years        
Restricted Stock Units (RSUs), Converted Masonite Equity Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation cost not yet recognized   $ 10        
Restricted Stock Units (RSUs), Owens Corning Stock Plans            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation cost not yet recognized   $ 69        
Performance Stock Units (PSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   2 years 2 months 26 days        
Compensation cost not yet recognized   $ 35        
Employee Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation cost not yet recognized   $ 2        
Offering period (in months)   6 months        
Performance Restricted Stock Units ("PRSUs") | Masonite            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares converted (in shares) | shares 200,000          
Performance Restricted Stock Units ("PRSUs") | Masonite | Grant Tranche, One            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of shares granted 107.33%          
Performance Restricted Stock Units ("PRSUs") | Masonite | Grant Tranche, Two            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of shares granted 100.00%          
Performance Restricted Stock Units ("PRSUs") | Masonite | Grant Tranche, Three            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of shares granted 122.00%          
2023 Stock Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant | shares   2,600,000        
Internal Based Performance Metric            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance stock payout minimum   0        
Performance stock payout range maximum   2        
External Based Performance Metric            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period   3 years        
Performance stock payout minimum   0        
Performance stock payout range maximum   2        
Employee Stock Purchase Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant | shares   3,000,000.0     4,200,000  
Performance Stock Units (PSUs) 2018            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected volatility   32.78% 33.88%      
Risk free interest rate   4.14% 3.94%      
Expected term (in years)   2 years 10 months 24 days 2 years 10 months 28 days      
Grant date fair value of units granted | $ / shares   $ 221.54 $ 195.95      
v3.25.1
STOCK COMPENSATION - Restricted Stock Unit (Details) - Restricted Stock
 3 Months Ended
Mar. 31, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Balance at December 31, 2024 | shares 1,249,146
Granted (in shares) | shares 233,804
Vested (in shares) | shares (332,246)
Forfeited (in shares) | shares (4,555)
Balance at March 31, 2025 | shares 1,146,149
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Balance at December 31, 2024 | $ / shares $ 107.31
Granted, weighted average grant date fair value | $ / shares 180.34
Vested, weighted average grant date fair value | $ / shares 120.58
Forfeited, weighted average grant date fair value | $ / shares 142.30
Balance at March 31, 2025 | $ / shares $ 118.21
v3.25.1
STOCK COMPENSATION - Grant Date Fair Value Of Units Granted (Details) - $ / shares
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Internal Based Performance Metric    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant date fair value of units granted $ 171.94 $ 147.18
v3.25.1
STOCK COMPENSATION - Performance Stock Units (Details) - Performance Stock Units (PSUs)
 3 Months Ended
Mar. 31, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Balance at December 31, 2024 | shares 219,075
Granted (in shares) | shares 120,321
Vested (in shares) | shares 0
Forfeited (in shares) | shares 0
Balance at March 31, 2025 | shares 339,396
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Balance at December 31, 2024 | $ / shares $ 117.23
Granted, weighted average grant date fair value | $ / shares 188.47
Vested, weighted average grant date fair value | $ / shares 0
Forfeited, weighted average grant date fair value | $ / shares 0
Balance at March 31, 2025 | $ / shares $ 148.85
v3.25.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share [Abstract]    
NET EARNINGS FROM CONTINUING OPERATIONS ATTRIBUTABLE TO OWENS CORNING $ 255 $ 278
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax (348) 21
NET (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING $ (93) $ 299
Basic (in shares) 85.8 87.3
Non-vested restricted stock units and performance share units (in shares) 0.5 0.6
Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings per share 86.3 87.9
Basic - continuing operations (in dollars per share) $ 2.97 $ 3.18
Basic - discontinued operations (in dollars per share) (4.05) 0.24
Basic (in dollars per share) (1.08) 3.42
Diluted - continuing operations (in dollars per share) 2.95 3.16
Diluted - discontinued operations (in dollars per share) (4.03) 0.24
Diluted (in dollars per share) $ (1.08) $ 3.40
v3.25.1
EARNINGS PER SHARE - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 01, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share amount 0 0  
Combined Repurchase Programs      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Stock repurchase program, number of shares authorized to be repurchased     10,000,000
Stock repurchased during period, shares 700,000 900,000  
Payments for repurchase of equity $ 101.0 $ 130.0  
Share Repurchase Program, Remaining Authorized, Amount $ 5.7    
v3.25.1
INCOME TAXES (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Tax Disclosure [Abstract]    
Income tax expense $ 88 $ 83
Effective tax rate 26.00% 23.00%
U.S. federal statutory tax rate 21.00% 21.00%
v3.25.1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance $ 5,120 $ 5,185
Other comprehensive income (loss), net of tax 73 (37)
Amounts classified into AOCI, net of tax 1 5
Ending balance 4,924 5,247
Currency Translation Adjustment    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (534) (318)
Gain (loss) on foreign currency translation 75 (41)
Other comprehensive income (loss), net of tax 75 (41)
Ending balance (459) (359)
Pension and Other Postretirement Adjustment    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (181) (196)
Other comprehensive income (loss), net of tax (3) 0
Amounts reclassified from AOCI to net earnings, net of tax 0 1
Amounts classified into AOCI, net of tax (3) (1)
Ending balance (184) (196)
Hedging Adjustment    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 24 11
Other comprehensive income (loss), net of tax 1 5
Amounts reclassified from AOCI to net earnings, net of tax (2) 7
Amounts classified into AOCI, net of tax 3 (2)
Ending balance 25 16
AOCI    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (691) (503)
Ending balance $ (618) $ (539)