Cover page - shares	9 Months Ended
Cover page - shares	Oct. 31, 2020	Nov. 30, 2020
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Oct. 31, 2020
Document Transition Report	false
Entity File Number	001-6991
Entity Registrant Name	WALMART INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	71-0415188
Entity Address, Address Line One	702 S.W. 8th Street
Entity Address, City or Town	Bentonville
Entity Address, State or Province	AR
Entity Address, Postal Zip Code	72716
City Area Code	479
Local Phone Number	273-4000
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		2,829,285,926
Entity Central Index Key	0000104169
Current Fiscal Year End Date	--01-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Stock, par value $0.10 per share
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.10 per share
Trading Symbol	WMT
Security Exchange Name	NYSE
1.900% Notes Due 2022
Document Information [Line Items]
Title of 12(b) Security	1.900% Notes Due 2022
Trading Symbol	WMT22
Security Exchange Name	NYSE
2.550% Notes Due 2026
Document Information [Line Items]
Title of 12(b) Security	2.550% Notes Due 2026
Trading Symbol	WMT26
Security Exchange Name	NYSE

Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenues:
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Membership and other income	956	1,010	2,824	2,975
Total revenues	134,708	127,991	407,072	382,293
Costs and expenses:
Cost of sales	100,339	95,900	305,054	286,857
Operating, selling, general and administrative expenses	28,591	27,373	84,957	80,190
Operating income	5,778	4,718	17,061	15,246
Interest:
Debt	455	547	1,542	1,693
Finance lease	86	86	249	254
Interest income	(25)	(44)	(91)	(148)
Interest, net	516	589	1,700	1,799
Other (gains) and losses	(1,853)	(244)	(5,796)	(996)
Income before income taxes	7,115	4,373	21,157	14,443
Provision for income taxes	1,914	1,052	5,443	3,536
Consolidated net income	5,201	3,321	15,714	10,907
Consolidated net income attributable to noncontrolling interest	(66)	(33)	(113)	(167)
Consolidated net income attributable to Walmart	$ 5,135	$ 3,288	$ 15,601	$ 10,740
Net income per common share:
Basic net income per common share attributable to Walmart (in dollars per share)	$ 1.81	$ 1.16	$ 5.51	$ 3.76
Diluted net income per common share attributable to Walmart (in dollars per share)	$ 1.80	$ 1.15	$ 5.48	$ 3.74
Weighted-average common shares outstanding:
Basic (shares)	2,833	2,843	2,832	2,855
Diluted (shares)	2,849	2,861	2,849	2,872
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 2.16	$ 2.12

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 5,201	$ 3,321	$ 15,714	$ 10,907
Consolidated net income attributable to noncontrolling interest	(66)	(33)	(113)	(167)
Consolidated net income attributable to Walmart	5,135	3,288	15,601	10,740
Other comprehensive income (loss), net of income taxes
Currency translation and other	1,262	(1,188)	(2,408)	(762)
Net investment hedges	(1)	(113)	(35)	135
Cash flow hedges	0	(12)	34	(301)
Minimum pension liability	16	8	47	13
Other comprehensive income (loss), net of income taxes	1,277	(1,305)	(2,362)	(915)
Other comprehensive (income) loss attributable to noncontrolling interest	(109)	193	551	75
Other comprehensive income (loss) attributable to Walmart	1,168	(1,112)	(1,811)	(840)
Comprehensive income, net of income taxes	6,478	2,016	13,352	9,992
Comprehensive (income) loss attributable to noncontrolling interest	(175)	160	438	(92)
Comprehensive income attributable to Walmart	$ 6,303	$ 2,176	$ 13,790	$ 9,900

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Oct. 31, 2020	Jan. 31, 2020	Oct. 31, 2019
Current assets:
Cash and cash equivalents	$ 14,325	$ 9,465	$ 8,606
Receivables, net	5,770	6,284	5,612
Inventories	51,842	44,435	51,546
Prepaid expenses and other	1,665	1,622	2,148
Total current assets	73,602	61,806	67,912
Property and equipment, net	102,232	105,208	104,326
Operating lease right-of-use assets	17,128	17,424	16,944
Finance lease right-of-use assets, net	4,929	4,417	4,155
Goodwill	30,236	31,073	30,716
Other long-term assets	22,736	16,567	15,777
Total assets	250,863	236,495	239,830
Current liabilities:
Short-term borrowings	240	575	4,926
Accounts payable	54,152	46,973	49,750
Dividends payable	1,529	0	1,507
Accrued liabilities	24,995	22,296	20,973
Accrued income taxes	548	280	327
Long-term debt due within one year	4,358	5,362	4,093
Operating lease obligations due within one year	1,725	1,793	1,740
Finance lease obligations due within one year	574	511	468
Total current liabilities	88,121	77,790	83,784
Long-term debt	40,849	43,714	44,912
Long-term operating lease obligations	15,982	16,171	15,741
Long-term finance lease obligations	4,750	4,307	4,068
Deferred income taxes and other	13,657	12,961	13,018
Commitments and contingencies
Equity:
Common stock	283	284	284
Capital in excess of par value	3,485	3,247	3,091
Retained earnings	92,279	83,943	80,656
Accumulated other comprehensive loss	(14,616)	(12,805)	(12,382)
Total Walmart shareholders' equity	81,431	74,669	71,649
Noncontrolling interest	6,073	6,883	6,658
Total equity	87,504	81,552	78,307
Total liabilities and equity	$ 250,863	$ 236,495	$ 239,830

Condensed Consolidated Statement Of Shareholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Capital in excess of par value	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive loss	Total Walmart shareholders' equity	Total Walmart shareholders' equity Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling interest	Noncontrolling interest Cumulative Effect, Period of Adoption, Adjustment
Beginning balance (in shares) at Jan. 31, 2019			2,878
Beginning balance at Jan. 31, 2019	$ 79,634	$ (300)	$ 288	$ 2,965	$ 80,785	$ (266)	$ (11,542)	$ 72,496	$ (266)	$ 7,138	$ (34)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	3,906				3,842			3,842		64
Other comprehensive income (loss), net of income taxes	485						451	451		34
Dividends declared	(6,071)				(6,071)			(6,071)
Purchase of Company stock (in shares)			(21)
Purchase of Company stock, Value	(2,087)		$ (2)	(73)	(2,012)			(2,087)
Dividends declared to noncontrolling interests	(481)									(481)
Other (in shares)			5
Stockholders' Equity, Other	(176)			(158)	(2)			(160)		(16)
Ending balance (in shares) at Apr. 30, 2019			2,862
Ending balance at Apr. 30, 2019	74,910		$ 286	2,734	76,276		(11,091)	68,205		6,705
Beginning balance (in shares) at Jan. 31, 2019			2,878
Beginning balance at Jan. 31, 2019	79,634	$ (300)	$ 288	2,965	80,785	$ (266)	(11,542)	72,496	$ (266)	7,138	$ (34)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	10,907
Other comprehensive income (loss), net of income taxes	$ (915)
Dividends declared per common share (in dollars per share)	$ 2.12
Ending balance (in shares) at Oct. 31, 2019			2,839
Ending balance at Oct. 31, 2019	$ 78,307		$ 284	3,091	80,656		(12,382)	71,649		6,658
Beginning balance (in shares) at Apr. 30, 2019			2,862
Beginning balance at Apr. 30, 2019	74,910		$ 286	2,734	76,276		(11,091)	68,205		6,705
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	3,680				3,610			3,610		70
Other comprehensive income (loss), net of income taxes	(95)						(179)	(179)		84
Dividends declared	15				15			15
Purchase of Company stock (in shares)			(15)
Purchase of Company stock, Value	(1,555)		$ (2)	(54)	(1,499)			(1,555)
Dividends declared to noncontrolling interests	6									6
Stockholders' Equity, Other	170		$ 1	200	30			231		(61)
Ending balance (in shares) at Jul. 31, 2019			2,847
Ending balance at Jul. 31, 2019	77,131		$ 285	2,880	78,432		(11,270)	70,327		6,804
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	3,321				3,288			3,288		33
Other comprehensive income (loss), net of income taxes	$ (1,305)						(1,112)	(1,112)		(193)
Dividends declared per common share (in dollars per share)	$ 0
Dividends declared	$ 5				5			5
Purchase of Company stock (in shares)			(10)
Purchase of Company stock, Value	(1,108)		$ (1)	(39)	(1,068)			(1,108)
Dividends declared to noncontrolling interests	3									3
Other (in shares)			2
Stockholders' Equity, Other	260			250	(1)			249		11
Ending balance (in shares) at Oct. 31, 2019			2,839
Ending balance at Oct. 31, 2019	78,307		$ 284	3,091	80,656		(12,382)	71,649		6,658
Beginning balance (in shares) at Jan. 31, 2020			2,832
Beginning balance at Jan. 31, 2020	81,552		$ 284	3,247	83,943		(12,805)	74,669		6,883
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	4,074				3,990			3,990		84
Other comprehensive income (loss), net of income taxes	(4,075)						(3,363)	(3,363)		(712)
Dividends declared	(6,117)				(6,117)			(6,117)
Purchase of Company stock (in shares)			(6)
Purchase of Company stock, Value	(693)		$ (1)	(26)	(666)			(693)
Dividends declared to noncontrolling interests	(359)									(359)
Other (in shares)			6
Stockholders' Equity, Other	(272)		$ 1	(238)	(9)			(246)		(26)
Ending balance (in shares) at Apr. 30, 2020			2,832
Ending balance at Apr. 30, 2020	74,110		$ 284	2,983	81,141		(16,168)	68,240		5,870
Beginning balance (in shares) at Jan. 31, 2020			2,832
Beginning balance at Jan. 31, 2020	81,552		$ 284	3,247	83,943		(12,805)	74,669		6,883
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	15,714
Other comprehensive income (loss), net of income taxes	$ (2,362)
Dividends declared per common share (in dollars per share)	$ 2.16
Ending balance (in shares) at Oct. 31, 2020			2,831
Ending balance at Oct. 31, 2020	$ 87,504		$ 283	3,485	92,279		(14,616)	81,431		6,073
Beginning balance (in shares) at Apr. 30, 2020			2,832
Beginning balance at Apr. 30, 2020	74,110		$ 284	2,983	81,141		(16,168)	68,240		5,870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	6,439				6,476			6,476		(37)
Other comprehensive income (loss), net of income taxes	436						384	384		52
Dividends declared to noncontrolling interests	(3)									(3)
Other (in shares)			2
Stockholders' Equity, Other	215		$ (1)	214	(3)			210		5
Ending balance (in shares) at Jul. 31, 2020			2,834
Ending balance at Jul. 31, 2020	81,197		$ 283	3,197	87,614		(15,784)	75,310		5,887
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	5,201				5,135			5,135		66
Other comprehensive income (loss), net of income taxes	$ 1,277						1,168	1,168		109
Dividends declared per common share (in dollars per share)	$ 0
Purchase of Company stock (in shares)			(4)
Purchase of Company stock, Value	$ (486)			(17)	(469)			(486)
Dividends declared to noncontrolling interests	(8)									(8)
Other (in shares)			1
Stockholders' Equity, Other	323			305	(1)			304		19
Ending balance (in shares) at Oct. 31, 2020			2,831
Ending balance at Oct. 31, 2020	$ 87,504		$ 283	$ 3,485	$ 92,279		$ (14,616)	$ 81,431		$ 6,073

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Cash flows from operating activities:
Consolidated net income	$ 15,714	$ 10,907
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	8,333	8,159
Unrealized (gains) and losses	(6,883)	(911)
Losses and (gains) on disposal of business operations	1,028	(1)
Deferred income taxes	1,246	574
Other operating activities	930	938
Changes in certain assets and liabilities, net of effects of acquisitions and dispositions:
Receivables, net	165	661
Inventories	(8,260)	(7,558)
Accounts payable	8,553	2,925
Accrued liabilities	1,796	(1,107)
Accrued income taxes	258	(48)
Net cash provided by operating activities	22,880	14,539
Cash flows from investing activities:
Payments for property and equipment	(6,438)	(7,765)
Proceeds from the disposal of property and equipment	99	218
Proceeds from the disposal of certain operations	12	833
Payments for business acquisitions, net of cash acquired	(180)	(56)
Other investing activities	0	485
Net cash used in investing activities	(6,507)	(6,285)
Cash flows from financing activities:
Net change in short-term borrowings	(301)	(282)
Proceeds from issuance of long-term debt	0	5,492
Repayments of long-term debt	(4,132)	(1,907)
Dividends paid	(4,582)	(4,545)
Purchase of Company stock	(1,186)	(4,829)
Dividends paid to noncontrolling interest	(76)	(407)
Other financing activities	(1,063)	(735)
Net cash used in financing activities	(11,340)	(7,213)
Effect of exchange rates on cash, cash equivalents and restricted cash	(170)	(166)
Net increase in cash, cash equivalents and restricted cash	4,863	875
Cash, cash equivalents and restricted cash at beginning of year	9,515	7,756
Cash, cash equivalents and restricted cash at end of period	$ 14,378	$ 8,631

Summary of Significant Accounting Policies (Notes)	9 Months Ended
Summary of Significant Accounting Policies (Notes)	Oct. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation The Condensed Consolidated Financial Statements of Walmart Inc. and its subsidiaries ("Walmart" or the "Company") and the accompanying notes included in this Quarterly Report on Form 10-Q are unaudited. In the opinion of management, all adjustments necessary for the fair presentation of the Condensed Consolidated Financial Statements have been included. Such adjustments are of a normal, recurring nature. The Condensed Consolidated Financial Statements, and the accompanying notes, are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and do not contain certain information included in the Company's Annual Report on Form 10-K for the fiscal year ended January 31, 2020 ("fiscal 2020"). Therefore, the interim Condensed Consolidated Financial Statements should be read in conjunction with that Annual Report on Form 10-K. The Company's Consolidated Financial Statements are based on a fiscal year ending January 31 for the United States ("U.S.") and Canadian operations. The Company consolidates all other operations generally using a one-month lag and based on a calendar year. There were no significant intervening events during the month of October related to the consolidated operations using a lag that materially affected the Condensed Consolidated Financial Statements. The Company's business is seasonal to a certain extent due to calendar events and national and religious holidays, as well as weather patterns. Historically, the Company's highest sales volume and operating income have occurred in the fiscal quarter ending January 31. Use of Estimates The Consolidated Financial Statements have been prepared in conformity with GAAP. Those principles require management to make estimates and assumptions, including potential impacts arising from the COVID-19 pandemic and related government actions, that affect the reported amounts of assets and liabilities. Management's estimates and assumptions also affect the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results may differ materially from those estimates. Receivables In June 2016, the Financial Accounting Standards Board issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments–Credit Losses (Topic 326), which modifies the measurement of expected credit losses of certain financial instruments. The Company adopted this ASU on February 1, 2020 with no material impact to the Company's Condensed Consolidated Financial Statements. Receivables are stated at their carrying values, net of a reserve for credit losses, and are primarily due from the following: customers, which also includes insurance companies resulting from pharmacy sales, banks for customer credit, debit cards and electronic transfer transactions that take in excess of seven days to process; suppliers for marketing or incentive programs; governments for income taxes; and real estate transactions.

Net Income Per Common Share (Notes)

9 Months Ended

Oct. 31, 2020

Earnings Per Share [Abstract]

Net Income Per Common Share

Basic net income per common share attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period. Diluted net income per common share attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period adjusted for the dilutive effect of share-based awards. The Company did not have significant share-based awards outstanding that were anti-dilutive and not included in the calculation of diluted net income per common share attributable to Walmart for the three and nine months ended October 31, 2020 and 2019.

The following table provides a reconciliation of the numerators and denominators used to determine basic and diluted net income per common share attributable to Walmart:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions, except per share data)	2020		2019		2020		2019
Numerator
Consolidated net income	$	5,201	$	3,321	$	15,714	$	10,907
Consolidated net income attributable to noncontrolling interest	(66)		(33)		(113)		(167)
Consolidated net income attributable to Walmart	$	5,135	$	3,288	$	15,601	$	10,740

Denominator
Weighted-average common shares outstanding, basic	2,833		2,843		2,832		2,855
Dilutive impact of share-based awards	16		18		17		17
Weighted-average common shares outstanding, diluted	2,849		2,861		2,849		2,872

Net income per common share attributable to Walmart
Basic	$	1.81	$	1.16	$	5.51	$	3.76
Diluted	1.80		1.15		5.48		3.74

Accumulated Other Comprehensive Loss (Notes)

9 Months Ended

Oct. 31, 2020

Other Comprehensive Income (Loss), Tax [Abstract]

Accumulated Other Comprehensive Loss

The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2020, July 31, 2020 and October 31, 2020:


(Amounts in millions and net of immaterial income taxes)	Currency Translation and Other		Net Investment Hedges		Cash Flow Hedges		Minimum Pension Liability		Total
Balances as of February 1, 2020	$	(11,827)	$	1,517	$	(539)	$	(1,956)	$	(12,805)

Other comprehensive income (loss) before reclassifications, net	(3,256)		157		(295)		(4)		(3,398)
Reclassifications to income, net	—		—		16		19		35
Balances as of April 30, 2020	$	(15,083)	$	1,674	$	(818)	$	(1,941)	$	(16,168)
Other comprehensive income (loss) before reclassifications, net	246		(191)		303		(2)		356
Reclassifications to income, net	—		—		10		18		28
Balances as of July 31, 2020	$	(14,837)	$	1,483	$	(505)	$	(1,925)	$	(15,784)
Other comprehensive income (loss) before reclassifications, net	1,153		(1)		(13)		(3)		1,136
Reclassifications to income, net	—		—		13		19		32
Balances as of October 31, 2020	$	(13,684)	$	1,482	$	(505)	$	(1,909)	$	(14,616)

The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2019, July 31, 2019 and October 31, 2019:


(Amounts in millions and net of immaterial income taxes)	Currency Translation and Other		Net Investment Hedges		Cash Flow Hedges		Minimum Pension Liability		Total
Balances as of February 1, 2019	$	(12,085)	$	1,395	$	(140)	$	(712)	$	(11,542)
Other comprehensive income (loss) before reclassifications, net	496		108		(145)		(7)		452
Reclassifications to income, net	(23)		—		14		8		(1)
Balances as of April 30, 2019	$	(11,612)	$	1,503	$	(271)	$	(711)	$	(11,091)

Other comprehensive income (loss) before reclassifications, net	(165)		140		(172)		(5)		(202)
Reclassifications to income, net	—		—		14		9		23
Balances as of July 31, 2019	$	(11,777)	$	1,643	$	(429)	$	(707)	$	(11,270)
Other comprehensive income (loss) before reclassifications, net	(995)		(113)		(12)		6		(1,114)
Reclassifications to income, net	—		—		—		2		2
Balances as of October 31, 2019	$	(12,772)	$	1,530	$	(441)	$	(699)	$	(12,382)

Amounts reclassified from accumulated other comprehensive loss to net income for derivative instruments are recorded in interest, net, in the Company's Condensed Consolidated Statements of Income. Amounts reclassified from accumulated other comprehensive loss to net income for the minimum pension liability, as well as the cumulative translation resulting from a disposition of a business, are recorded in other gains and losses in the Company's Condensed Consolidated Statements of Income. Amounts related to the Company's derivatives expected to be reclassified from accumulated other comprehensive loss to net income during the next 12 months are not significant.

Short-term Borrowings and Long-term Debt (Notes)

9 Months Ended

Oct. 31, 2020

Debt Disclosure [Abstract]

Short-term Borrowings and Long-term Debt

The Company has various committed lines of credit in the U.S. that are used to support its commercial paper program. In April 2020, the Company renewed and extended its existing 364-day revolving credit facility of $10.0 billion. In total, the Company had committed lines of credit in the U.S. of $15.0 billion at October 31, 2020 and January 31, 2020, all undrawn.

The following table provides the changes in the Company's long-term debt for the nine months ended October 31, 2020:


(Amounts in millions)	Long-term debt due within one year		Long-term debt		Total
Balances as of February 1, 2020	$	5,362	$	43,714	$	49,076

Repayments of long-term debt	(4,132)		—		(4,132)
Reclassifications of long-term debt	3,126		(3,126)		—
Other	2		261		263
Balances as of October 31, 2020	$	4,358	$	40,849	$	45,207

Fair Value Measurements (Notes)

9 Months Ended

Oct. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Assets and liabilities recorded at fair value are measured using the fair value hierarchy, which prioritizes the inputs used in measuring fair value. The levels of the fair value hierarchy are:

•Level 1: observable inputs such as quoted prices in active markets;

•Level 2: inputs other than quoted prices in active markets that are either directly or indirectly observable; and

•Level 3: unobservable inputs for which little or no market data exists, therefore requiring the Company to develop its own assumptions.

The Company measures the fair value of equity investments on a recurring basis in the accompanying Condensed Consolidated Balance Sheets.

The fair value of the Company's equity investments recorded in other long-term assets are as follows:


(Amounts in millions)	Fair Value as of October 31, 2020		Fair Value as of January 31, 2020
Equity investments measured using Level 1 inputs	$	5,987	$	2,715
Equity investments measured using Level 2 inputs	6,782		2,723

Total	$	12,769	$	5,438

Derivatives

The Company also has derivatives recorded at fair value. Derivative fair values are the estimated amounts the Company would receive or pay upon termination of the related derivative agreements as of the reporting dates. The fair values have been measured using the income approach and Level 2 inputs, which include the relevant interest rate and foreign currency forward curves. As of October 31, 2020 and January 31, 2020, the notional amounts and fair values of these derivatives were as follows:


	October 31, 2020					January 31, 2020
(Amounts in millions)	Notional Amount		Fair Value			Notional Amount		Fair Value
Receive fixed-rate, pay variable-rate interest rate swaps designated as fair value hedges	$	3,250	$	177	(1)	$	4,000	$	97	(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as net investment hedges	3,500		446		(1)	3,750		455		(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges	4,206		(722)		(2)	4,067		(696)		(2)

Total	$	10,956	$	(99)		$	11,817	$	(144)

(1)Classified in Other long-term assets within the Company's Condensed Consolidated Balance Sheets.

(2)Classified in Deferred income taxes and other within the Company's Condensed Consolidated Balance Sheets.

Nonrecurring Fair Value Measurements

In addition to assets and liabilities that are recorded at fair value on a recurring basis, the Company's assets and liabilities are also subject to nonrecurring fair value measurements. Generally, assets are recorded at fair value on a nonrecurring basis as a result of impairment charges. The Company did not have any material assets or liabilities subject to nonrecurring fair value measurements as of October 31, 2020. Refer to Note 6 for additional information regarding the sale of Walmart Argentina.

Other Fair Value Disclosures

The Company records cash and cash equivalents, restricted cash, and short-term borrowings at cost. The carrying values of these instruments approximate their fair value due to their short-term maturities.

The Company's long-term debt is also recorded at cost. The fair value is estimated using Level 2 inputs based on the Company's current incremental borrowing rate for similar types of borrowing arrangements. The carrying value and fair value of the Company's long-term debt as of October 31, 2020 and January 31, 2020, are as follows:


	October 31, 2020				January 31, 2020
(Amounts in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including amounts due within one year	$	45,207	$	55,257	$	49,076	$	57,769

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Divestitures	9 Months Ended
Divestitures	Oct. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]
Divestitures	Divestitures During fiscal 2021, the Company announced the following actions related to the Company's Walmart International segment. Asda In October 2020, the Company entered into a definitive agreement and announced the proposed divestiture of Asda Group Limited, a wholly-owned subsidiary of the Company ("Asda”), for an enterprise value of £6.8 billion, or approximately $9.1 billion based on current exchange rates. Due to uncertainty of the macro-economic environment and a complex regulatory review process, the outcome of which is uncertain, the held for sale criteria for the disposal group was not met as of October 31, 2020, and accordingly no impacts have been reflected in the Condensed Consolidated Financial Statements. Walmart Argentina In November 2020, the Company completed the sale of Walmart Argentina and classified the disposal group as held for sale as of October 31, 2020 in the Condensed Consolidated Balance Sheet. As a result, the Company recorded a pre-tax loss of $1.0 billion during the three and nine months ended October 31, 2020 in other gains and losses in its Condensed Consolidated Statement of Income primarily due to the impact of cumulative translation losses on the carrying value of the disposal group. Seiyu In November 2020, the Company entered into a definitive agreement to sell a majority stake in Seiyu, the Company's retail business in Japan, for an enterprise value of ¥172.5 billion, or approximately $1.7 billion based on current exchange rates. As the disposal group met the held for sale criteria subsequent to October 31, 2020, the Company will recognize a non-cash loss of approximately $2.0 billion, after tax, in the fourth quarter of fiscal 2021. This estimate may fluctuate based on currency exchange rates and customary purchase price adjustments up to the closing date of the transaction, which is expected to occur in the first quarter of fiscal 2022 and is subject to regulatory approvals.

Contingencies (Notes)	9 Months Ended
Contingencies (Notes)	Oct. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies Legal Proceedings The Company is involved in a number of legal proceedings. The Company has made accruals with respect to these matters, where appropriate, which are reflected in the Company's Condensed Consolidated Financial Statements. For some matters, a liability is not probable or the amount cannot be reasonably estimated and therefore an accrual has not been made. However, where a liability is reasonably possible and may be material, such matters have been disclosed. The Company may enter into discussions regarding settlement of these matters, and may enter into settlement agreements, if it believes settlement is in the best interest of the Company and its shareholders. Unless stated otherwise, the matters discussed below, if decided adversely or settled by the Company, individually or in the aggregate, may result in a liability material to the Company's financial condition, results of operations or cash flows. ASDA Equal Value Claims ASDA Stores Ltd., an Asda subsidiary, is a defendant in over 40,000 equal value ("Equal Value") claims that began in 2008 and are proceeding before an Employment Tribunal in Manchester (the "Employment Tribunal") in the United Kingdom ("U.K.") on behalf of current and former Asda store employees, and further claims may be asserted in the future. The claimants allege that the work performed by employees in Asda's retail stores is of equal value in terms of, among other things, the demands of their jobs compared to that of employees working in Asda's warehouse and distribution facilities, and that the difference in pay between these job positions disparately impacts women because more women work in retail stores while more men work in warehouses and distribution facilities, and that the pay difference is not objectively justified. The claimants are requesting differential back pay based on higher wage rates in the warehouse and distribution facilities and higher wage rates on a prospective basis. In October 2016, following a preliminary hearing, the Employment Tribunal ruled that claimants could compare their positions in Asda's retail stores with those of employees in Asda's warehouse and distribution facilities. Asda appealed the ruling and the oral argument was held before the Supreme Court of the United Kingdom in July 2020. The Company is awaiting a decision. Notwithstanding the appeal, claimants are proceeding in the next phase of their claims. That phase will determine whether the work performed by the claimants is of equal value to the work performed by employees in Asda's warehouse and distribution facilities. At present, the Company cannot predict the number of such claims that may be filed, and cannot reasonably estimate any loss or range of loss that may arise from these proceedings. Accordingly, the Company can provide no assurance as to the scope and outcomes of these matters and no assurance as to whether its business, financial position, results of operations or cash flows will not be materially adversely affected. The Company believes it has substantial factual and legal defenses to these claims, and intends to defend the claims vigorously. Prescription Opiate Litigation and Other Matters In December 2017, the U.S. Judicial Panel on Multidistrict Litigation consolidated numerous lawsuits filed against a wide array of defendants by various plaintiffs, including counties, cities, healthcare providers, Native American tribes, individuals, and third-party payors, asserting claims generally concerning the impacts of widespread opioid abuse. The consolidated multidistrict litigation entitled In re National Prescription Opiate Litigation (MDL No. 2804), is pending in the U.S. District Court for the Northern District of Ohio. The Company is named as a defendant in some of the cases included in this multidistrict litigation. Similar cases that name the Company have also been filed in state courts by state, local and tribal governments, health care providers and other plaintiffs. Plaintiffs are seeking compensatory and punitive damages, as well as injunctive relief including abatement. The Company cannot predict the number of such claims that may be filed, but believes it has substantial factual and legal defenses to these claims, and intends to defend the claims vigorously. The Company has also been responding to subpoenas, information requests and investigations from governmental entities related to nationwide controlled substance dispensing and distribution practices involving opioids. On October 22, 2020, the Company filed a declaratory judgment action against the U.S. Department of Justice and the U.S. Drug Enforcement Administration, asking a federal court to clarify the roles and responsibilities of pharmacists and pharmacies as to the dispensing and distribution of opioids under the Controlled Substances Act. The Company cannot reasonably estimate any loss or range of loss that may arise from these matters. Accordingly, the Company can provide no assurance as to the scope and outcome of these matters and no assurance as to whether its business, financial position, results of operations or cash flows will not be materially adversely affected.

Segments and Disaggregated Revenue (Notes)

9 Months Ended

Oct. 31, 2020

Segment Reporting Information, Profit (Loss) [Abstract]

Segments and Disaggregated Revenue

Segments

The Company is engaged in the operation of retail, wholesale, eCommerce websites and other units located throughout the U.S., Africa, Argentina, Canada, Central America, Chile, China, India, Japan, Mexico, and the United Kingdom. The Company's operations are conducted in three reportable segments: Walmart U.S., Walmart International and Sam's Club. The Company defines its segments as those operations whose results the chief operating decision maker ("CODM") regularly reviews to analyze performance and allocate resources. The Company sells similar individual products and services in each of its segments. It is impractical to segregate and identify revenues for each of these individual products and services.

The Walmart U.S. segment includes the Company's mass merchandising concept in the U.S., as well as eCommerce and omni-channel initiatives. The Walmart International segment consists of the Company's operations outside of the U.S., as well as eCommerce and omni-channel initiatives. The Sam's Club segment includes the warehouse membership clubs in the U.S., as well as samsclub.com and omni-channel initiatives. Corporate and support consists of corporate overhead and other items not allocated to any of the Company's segments.

The Company measures the results of its segments using, among other measures, each segment's net sales and operating income, which includes certain corporate overhead allocations. From time to time, the Company revises the measurement of each segment's operating income, including any corporate overhead allocations, as determined by the information regularly reviewed by its CODM. When the measurement of a segment changes, previous period amounts and balances are reclassified to be comparable to the current period's presentation. Beginning with the first quarter in fiscal 2021, the Company revised its definition of eCommerce net sales to include certain pharmacy transactions and, accordingly, revised prior period amounts to maintain comparability.

Net sales by segment are as follows:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions)	2020		2019		2020		2019
Net sales:
Walmart U.S.	$	88,353	$	83,189	$	270,378	$	248,733
Walmart International	29,554		29,167		86,487		87,081
Sam's Club	15,845		14,625		47,383		43,504
Net sales	$	133,752	$	126,981	$	404,248	$	379,318

Operating income by segment, as well as operating loss for corporate and support, interest, net and other gains and losses are as follows:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions)	2020		2019		2020		2019
Operating income (loss):
Walmart U.S.	$	4,589	$	4,176	$	13,948	$	12,977
Walmart International	1,078		634		2,696		2,265
Sam's Club	431		327		1,517		1,258
Corporate and support	(320)		(419)		(1,100)		(1,254)
Operating income	5,778		4,718		17,061		15,246
Interest, net	516		589		1,700		1,799

Other (gains) and losses	(1,853)		(244)		(5,796)		(996)
Income before income taxes	$	7,115	$	4,373	$	21,157	$	14,443

Disaggregated Revenues

In the following tables, segment net sales are disaggregated by either merchandise category or by market. From time to time, the Company revises the assignment of net sales of a particular item to a merchandise category. When the assignment changes, previous period amounts are reclassified to be comparable to the current period's presentation.

In addition, net sales related to eCommerce are provided for each segment, which include omni-channel sales, where a customer initiates an order digitally and the order is fulfilled through a store or club.


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Walmart U.S. net sales by merchandise category	2020		2019		2020		2019
Grocery	$	50,683	$	48,117	$	155,149	$	142,511
General merchandise	26,927		24,964		84,075		76,602
Health and wellness	9,806		9,225		28,560		27,113
Other categories	937		883		2,594		2,507
Total	$	88,353	$	83,189	$	270,378	$	248,733

Of Walmart U.S.'s total net sales, approximately $10.3 billion and $5.7 billion related to eCommerce for the three months ended October 31, 2020 and 2019, respectively. Approximately $29.1 billion and $15.8 billion related to eCommerce for the nine months ended October 31, 2020 and 2019, respectively.


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Walmart International net sales by market	2020		2019		2020		2019
Mexico and Central America	$	7,429	$	7,913	$	23,133	$	23,765
United Kingdom	7,249		6,961		21,079		21,355
Canada	4,969		4,608		14,383		13,366
China	2,787		2,718		8,735		8,209
Other	7,120		6,967		19,157		20,386
Total	$	29,554	$	29,167	$	86,487	$	87,081

Of Walmart International's total net sales, approximately $4.3 billion and $2.9 billion related to eCommerce for the three months ended October 31, 2020 and 2019, respectively. Approximately $10.5 billion and $7.9 billion related to eCommerce for the nine months ended October 31, 2020 and 2019, respectively.


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Sam’s Club net sales by merchandise category	2020		2019		2020		2019
Grocery and consumables	$	10,450	$	8,900	$	31,526	$	26,151
Fuel, tobacco and other categories	1,942		2,646		6,023		8,127
Home and apparel	1,693		1,532		4,926		4,725
Health and wellness	1,017		858		2,849		2,527
Technology, office and entertainment	743		689		2,059		1,974
Total	$	15,845	$	14,625	$	47,383	$	43,504

Of Sam's Club's total net sales, approximately $1.3 billion and $0.9 billion related to eCommerce for the three months ended October 31, 2020 and 2019, respectively. Approximately $3.7 billion and $2.6 billion related to eCommerce for the nine months ended October 31, 2020 and 2019, respectively.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Oct. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The Condensed Consolidated Financial Statements of Walmart Inc. and its subsidiaries ("Walmart" or the "Company") and the accompanying notes included in this Quarterly Report on Form 10-Q are unaudited. In the opinion of management, all adjustments necessary for the fair presentation of the Condensed Consolidated Financial Statements have been included. Such adjustments are of a normal, recurring nature. The Condensed Consolidated Financial Statements, and the accompanying notes, are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and do not contain certain information included in the Company's Annual Report on Form 10-K for the fiscal year ended January 31, 2020 ("fiscal 2020"). Therefore, the interim Condensed Consolidated Financial Statements should be read in conjunction with that Annual Report on Form 10-K. The Company's Consolidated Financial Statements are based on a fiscal year ending January 31 for the United States ("U.S.") and Canadian operations. The Company consolidates all other operations generally using a one-month lag and based on a calendar year. There were no significant intervening events during the month of October related to the consolidated operations using a lag that materially affected the Condensed Consolidated Financial Statements. The Company's business is seasonal to a certain extent due to calendar events and national and religious holidays, as well as weather patterns. Historically, the Company's highest sales volume and operating income have occurred in the fiscal quarter ending January 31.
Use of Estimates	Use of Estimates The Consolidated Financial Statements have been prepared in conformity with GAAP. Those principles require management to make estimates and assumptions, including potential impacts arising from the COVID-19 pandemic and related government actions, that affect the reported amounts of assets and liabilities. Management's estimates and assumptions also affect the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results may differ materially from those estimates.
New Accounting Pronouncements	In June 2016, the Financial Accounting Standards Board issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments–Credit Losses (Topic 326), which modifies the measurement of expected credit losses of certain financial instruments. The Company adopted this ASU on February 1, 2020 with no material impact to the Company's Condensed Consolidated Financial Statements.
Receivables	Receivables are stated at their carrying values, net of a reserve for credit losses, and are primarily due from the following: customers, which also includes insurance companies resulting from pharmacy sales, banks for customer credit, debit cards and electronic transfer transactions that take in excess of seven days to process; suppliers for marketing or incentive programs; governments for income taxes; and real estate transactions.

Net Income Per Common Share (Tables)

9 Months Ended

Oct. 31, 2020

Earnings Per Share [Abstract]

Schedule of calculation of numerator and denominator in earnings per share

The following table provides a reconciliation of the numerators and denominators used to determine basic and diluted net income per common share attributable to Walmart:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions, except per share data)	2020		2019		2020		2019
Numerator
Consolidated net income	$	5,201	$	3,321	$	15,714	$	10,907
Consolidated net income attributable to noncontrolling interest	(66)		(33)		(113)		(167)
Consolidated net income attributable to Walmart	$	5,135	$	3,288	$	15,601	$	10,740

Denominator
Weighted-average common shares outstanding, basic	2,833		2,843		2,832		2,855
Dilutive impact of share-based awards	16		18		17		17
Weighted-average common shares outstanding, diluted	2,849		2,861		2,849		2,872

Net income per common share attributable to Walmart
Basic	$	1.81	$	1.16	$	5.51	$	3.76
Diluted	1.80		1.15		5.48		3.74

Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Oct. 31, 2020

Other Comprehensive Income (Loss), Tax [Abstract]

Composition of accumulated other comprehensive loss

The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2020, July 31, 2020 and October 31, 2020:


(Amounts in millions and net of immaterial income taxes)	Currency Translation and Other		Net Investment Hedges		Cash Flow Hedges		Minimum Pension Liability		Total
Balances as of February 1, 2020	$	(11,827)	$	1,517	$	(539)	$	(1,956)	$	(12,805)

Other comprehensive income (loss) before reclassifications, net	(3,256)		157		(295)		(4)		(3,398)
Reclassifications to income, net	—		—		16		19		35
Balances as of April 30, 2020	$	(15,083)	$	1,674	$	(818)	$	(1,941)	$	(16,168)
Other comprehensive income (loss) before reclassifications, net	246		(191)		303		(2)		356
Reclassifications to income, net	—		—		10		18		28
Balances as of July 31, 2020	$	(14,837)	$	1,483	$	(505)	$	(1,925)	$	(15,784)
Other comprehensive income (loss) before reclassifications, net	1,153		(1)		(13)		(3)		1,136
Reclassifications to income, net	—		—		13		19		32
Balances as of October 31, 2020	$	(13,684)	$	1,482	$	(505)	$	(1,909)	$	(14,616)

The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2019, July 31, 2019 and October 31, 2019:


(Amounts in millions and net of immaterial income taxes)	Currency Translation and Other		Net Investment Hedges		Cash Flow Hedges		Minimum Pension Liability		Total
Balances as of February 1, 2019	$	(12,085)	$	1,395	$	(140)	$	(712)	$	(11,542)
Other comprehensive income (loss) before reclassifications, net	496		108		(145)		(7)		452
Reclassifications to income, net	(23)		—		14		8		(1)
Balances as of April 30, 2019	$	(11,612)	$	1,503	$	(271)	$	(711)	$	(11,091)

Other comprehensive income (loss) before reclassifications, net	(165)		140		(172)		(5)		(202)
Reclassifications to income, net	—		—		14		9		23
Balances as of July 31, 2019	$	(11,777)	$	1,643	$	(429)	$	(707)	$	(11,270)
Other comprehensive income (loss) before reclassifications, net	(995)		(113)		(12)		6		(1,114)
Reclassifications to income, net	—		—		—		2		2
Balances as of October 31, 2019	$	(12,772)	$	1,530	$	(441)	$	(699)	$	(12,382)

Short-term Borrowings and Long-term Debt (Tables)

9 Months Ended

Oct. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

The following table provides the changes in the Company's long-term debt for the nine months ended October 31, 2020:


(Amounts in millions)	Long-term debt due within one year		Long-term debt		Total
Balances as of February 1, 2020	$	5,362	$	43,714	$	49,076

Repayments of long-term debt	(4,132)		—		(4,132)
Reclassifications of long-term debt	3,126		(3,126)		—
Other	2		261		263
Balances as of October 31, 2020	$	4,358	$	40,849	$	45,207

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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+ Details

Fair Value Measurements (Tables)

9 Months Ended

Oct. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The fair value of the Company's equity investments recorded in other long-term assets are as follows:


(Amounts in millions)	Fair Value as of October 31, 2020		Fair Value as of January 31, 2020
Equity investments measured using Level 1 inputs	$	5,987	$	2,715
Equity investments measured using Level 2 inputs	6,782		2,723

Total	$	12,769	$	5,438

Notional amounts and fair values of derivatives

As of October 31, 2020 and January 31, 2020, the notional amounts and fair values of these derivatives were as follows:


	October 31, 2020					January 31, 2020
(Amounts in millions)	Notional Amount		Fair Value			Notional Amount		Fair Value
Receive fixed-rate, pay variable-rate interest rate swaps designated as fair value hedges	$	3,250	$	177	(1)	$	4,000	$	97	(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as net investment hedges	3,500		446		(1)	3,750		455		(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges	4,206		(722)		(2)	4,067		(696)		(2)

Total	$	10,956	$	(99)		$	11,817	$	(144)

(1)Classified in Other long-term assets within the Company's Condensed Consolidated Balance Sheets.

(2)Classified in Deferred income taxes and other within the Company's Condensed Consolidated Balance Sheets.

Carrying value and fair value of long-term debt

The carrying value and fair value of the Company's long-term debt as of October 31, 2020 and January 31, 2020, are as follows:


	October 31, 2020				January 31, 2020
(Amounts in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including amounts due within one year	$	45,207	$	55,257	$	49,076	$	57,769

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ References + Details

Segments and Disaggregated Revenue (Tables)

9 Months Ended

Oct. 31, 2020

Disaggregation of Revenue [Line Items]

Segment Net Sales

Net sales by segment are as follows:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions)	2020		2019		2020		2019
Net sales:
Walmart U.S.	$	88,353	$	83,189	$	270,378	$	248,733
Walmart International	29,554		29,167		86,487		87,081
Sam's Club	15,845		14,625		47,383		43,504
Net sales	$	133,752	$	126,981	$	404,248	$	379,318

Operating Income by Segment, Interest, Net, and Unrealized (Gains) and Losses

Operating income by segment, as well as operating loss for corporate and support, interest, net and other gains and losses are as follows:


	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions)	2020		2019		2020		2019
Operating income (loss):
Walmart U.S.	$	4,589	$	4,176	$	13,948	$	12,977
Walmart International	1,078		634		2,696		2,265
Sam's Club	431		327		1,517		1,258
Corporate and support	(320)		(419)		(1,100)		(1,254)
Operating income	5,778		4,718		17,061		15,246
Interest, net	516		589		1,700		1,799

Other (gains) and losses	(1,853)		(244)		(5,796)		(996)
Income before income taxes	$	7,115	$	4,373	$	21,157	$	14,443

Walmart U.S.

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Walmart U.S. net sales by merchandise category	2020		2019		2020		2019
Grocery	$	50,683	$	48,117	$	155,149	$	142,511
General merchandise	26,927		24,964		84,075		76,602
Health and wellness	9,806		9,225		28,560		27,113
Other categories	937		883		2,594		2,507
Total	$	88,353	$	83,189	$	270,378	$	248,733

Walmart International

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Walmart International net sales by market	2020		2019		2020		2019
Mexico and Central America	$	7,429	$	7,913	$	23,133	$	23,765
United Kingdom	7,249		6,961		21,079		21,355
Canada	4,969		4,608		14,383		13,366
China	2,787		2,718		8,735		8,209
Other	7,120		6,967		19,157		20,386
Total	$	29,554	$	29,167	$	86,487	$	87,081

Sam's Club

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue


(Amounts in millions)	Three Months Ended October 31,				Nine Months Ended October 31,
Sam’s Club net sales by merchandise category	2020		2019		2020		2019
Grocery and consumables	$	10,450	$	8,900	$	31,526	$	26,151
Fuel, tobacco and other categories	1,942		2,646		6,023		8,127
Home and apparel	1,693		1,532		4,926		4,725
Health and wellness	1,017		858		2,849		2,527
Technology, office and entertainment	743		689		2,059		1,974
Total	$	15,845	$	14,625	$	47,383	$	43,504

Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Oct. 31, 2020	Oct. 31, 2019
Numerator
Consolidated net income	$ 5,201	$ 6,439	$ 4,074	$ 3,321	$ 3,680	$ 3,906	$ 15,714	$ 10,907
Consolidated net income attributable to noncontrolling interest	(66)			(33)			(113)	(167)
Consolidated net income attributable to Walmart	$ 5,135			$ 3,288			$ 15,601	$ 10,740
Denominator
Weighted-average common shares outstanding, basic	2,833			2,843			2,832	2,855
Dilutive impact of share-based awards	16			18			17	17
Weighted-average common shares outstanding, diluted	2,849			2,861			2,849	2,872
Net income per common share attributable to Walmart
Basic	$ 1.81			$ 1.16			$ 5.51	$ 3.76
Diluted	$ 1.80			$ 1.15			$ 5.48	$ 3.74

Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 81,197	$ 74,110	$ 81,552	$ 77,131	$ 74,910	$ 79,634
Ending balance	87,504	81,197	74,110	78,307	77,131	74,910
Currency Translation and Other
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(14,837)	(15,083)	(11,827)	(11,777)	(11,612)	(12,085)
Other comprehensive income (loss) before reclassifications	1,153	246	(3,256)	(995)	(165)	496
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	(23)
Ending balance	(13,684)	(14,837)	(15,083)	(12,772)	(11,777)	(11,612)
Net Investment Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	1,483	1,674	1,517	1,643	1,503	1,395
Other comprehensive income (loss) before reclassifications	(1)	(191)	157	(113)	140	108
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Ending balance	1,482	1,483	1,674	1,530	1,643	1,503
Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(505)	(818)	(539)	(429)	(271)	(140)
Other comprehensive income (loss) before reclassifications	(13)	303	(295)	(12)	(172)	(145)
Amounts reclassified from accumulated other comprehensive income (loss)	(13)	(10)	16	0	(14)	14
Ending balance	(505)	(505)	(818)	(441)	(429)	(271)
Minimum Pension Liability
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(1,925)	(1,941)	(1,956)	(707)	(711)	(712)
Other comprehensive income (loss) before reclassifications	(3)	(2)	(4)	6	(5)	(7)
Amounts reclassified from accumulated other comprehensive income (loss)	(19)	(18)	19	(2)	(9)	8
Ending balance	(1,909)	(1,925)	(1,941)	(699)	(707)	(711)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(15,784)	(16,168)	(12,805)	(11,270)	(11,091)	(11,542)
Other comprehensive income (loss) before reclassifications	1,136	356	(3,398)	(1,114)	(202)	452
Amounts reclassified from accumulated other comprehensive income (loss)	(32)	(28)	35	(2)	(23)	(1)
Ending balance	$ (14,616)	$ (15,784)	$ (16,168)	$ (12,382)	$ (11,270)	$ (11,091)

- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

+ References

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+ Details

Short-term Borrowings and Long-term Debt (Details) - Domestic Line of Credit - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2020	Oct. 31, 2020	Jan. 31, 2020
Debt Instrument [Line Items]
Committed line of credit		$ 15,000	$ 15,000
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term	364 days
Debt outstanding		$ 10,000

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References + Details

Short-term Borrowings and Long-term Debt (Schedule of Long-term Debt Instruments) (Details) $ in Millions	9 Months Ended
	Oct. 31, 2020 USD ($)
Long-term debt due within one year
Balances as of February 1, 2020	$ 5,362
Repayments of long-term debt	(4,132)
Reclassifications of long-term debt	3,126
Other	2
Balances as of October 31, 2020	4,358
Long-term debt
Balances as of February 1, 2020	43,714
Repayments of long-term debt	0
Reclassifications of long-term debt	(3,126)
Other	261
Balances as of October 31, 2020	40,849
Total
Balances as of February 1, 2020	49,076
Repayments of long-term debt	4,132
Reclassifications of long-term debt	0
Other	263
Balances as of October 31, 2020	$ 45,207

Fair Value Measurement (Equity Investments) (Details) - USD ($) $ in Millions	Oct. 31, 2020	Jan. 31, 2020
Equity Investments [Line Items]
Equity investments	$ 12,769	$ 5,438
Inputs, Level 1 \| Recurring
Equity Investments [Line Items]
Equity investments	5,987	2,715
Inputs, Level 2 \| Recurring
Equity Investments [Line Items]
Equity investments	$ 6,782	$ 2,723

Fair Value Measurements (Notional Amounts And Fair Values Of Interest Rate Swaps) (Details) - USD ($) $ in Millions	Oct. 31, 2020	Jan. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional Amount	$ 10,956	$ 11,817
Fair Value	(99)	(144)
Fair value hedging \| Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional Amount	3,250	4,000
Net investment hedging \| Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional Amount	3,500	3,750
Cash flow hedges \| Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional Amount	4,206	4,067
Recurring \| Fair value hedging \| Interest Rate Swap \| Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	177	97
Recurring \| Net investment hedging \| Cross-currency swaps \| Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	446	455
Recurring \| Cash flow hedges \| Cross-currency swaps \| Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ (722)	$ (696)

Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt) (Details) - USD ($) $ in Millions	Oct. 31, 2020	Jan. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt	$ 45,207	$ 49,076
Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	$ 55,257	$ 57,769

Divestitures (Details) ¥ in Millions, £ in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jan. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Nov. 15, 2020 USD ($)	Nov. 15, 2020 JPY (¥)	Oct. 02, 2020 USD ($)	Oct. 02, 2020 GBP (£)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Losses and (gains) on disposal of business operations			$ 1,028	$ (1)
Asda [Member]
Discontinued Operations and Disposal Groups [Abstract]
Enterprise Value							$ 9,100
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Enterprise Value							$ 9,100
Walmart Argentina [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Losses and (gains) on disposal of business operations		$ 1,000	$ 1,000
Seiyu [Member] \| Subsequent Event [Member]
Discontinued Operations and Disposal Groups [Abstract]
Enterprise Value					$ 1,700
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Enterprise Value					$ 1,700
Losses and (gains) on disposal of business operations	$ 2,000
United Kingdom, Pounds \| Asda [Member]
Discontinued Operations and Disposal Groups [Abstract]
Enterprise Value \| £								£ 6,800
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Enterprise Value \| £								£ 6,800
Japan, Yen \| Seiyu [Member] \| Subsequent Event [Member]
Discontinued Operations and Disposal Groups [Abstract]
Enterprise Value \| ¥						¥ 172,500
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Enterprise Value \| ¥						¥ 172,500

Contingencies (Details)	Oct. 31, 2020
Asda Equal Value Lawsuit
Loss Contingencies [Line Items]
Number of pending claims	40,000

Segments and Disaggregated Revenue (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Oct. 31, 2020 USD ($) segment	Oct. 31, 2019 USD ($)
Revenue from External Customer [Line Items]
Number of reportable segments \| segment			3
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Walmart U.S.
Revenue from External Customer [Line Items]
Net sales	88,353	83,189	270,378	248,733
Walmart International
Revenue from External Customer [Line Items]
Net sales	29,554	29,167	86,487	87,081
Sam's Club
Revenue from External Customer [Line Items]
Net sales	15,845	14,625	47,383	43,504
eCommerceMember \| Walmart U.S.
Revenue from External Customer [Line Items]
Net sales	10,300	5,700	29,100	15,800
eCommerceMember \| Walmart International
Revenue from External Customer [Line Items]
Net sales	4,300	2,900	10,500	7,900
eCommerceMember \| Sam's Club
Revenue from External Customer [Line Items]
Net sales	$ 1,300	$ 900	$ 3,700	$ 2,600

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segments and Disaggregated Revenue - Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Walmart U.S.
Segment Reporting Information [Line Items]
Net sales	88,353	83,189	270,378	248,733
Walmart International
Segment Reporting Information [Line Items]
Net sales	29,554	29,167	86,487	87,081
Sam's Club
Segment Reporting Information [Line Items]
Net sales	$ 15,845	$ 14,625	$ 47,383	$ 43,504

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segments and Disaggregated Revenue (Operating Income by Segment, Interest, Net, and Unrealized (Gains) and Losses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Segment Reporting Information [Line Items]
Operating income	$ 5,778	$ 4,718	$ 17,061	$ 15,246
Interest, net	516	589	1,700	1,799
Other (gains) and losses	(1,853)	(244)	(5,796)	(996)
Income before income taxes	7,115	4,373	21,157	14,443
Walmart U.S.
Segment Reporting Information [Line Items]
Operating income	4,589	4,176	13,948	12,977
Walmart International
Segment Reporting Information [Line Items]
Operating income	1,078	634	2,696	2,265
Sam's Club
Segment Reporting Information [Line Items]
Operating income	431	327	1,517	1,258
Corporate and support
Segment Reporting Information [Line Items]
Operating income	$ (320)	$ (419)	$ (1,100)	$ (1,254)

Segments and Disaggregated Revenue (Revenue, Walmart US) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenue from External Customer [Line Items]
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Walmart U.S.
Revenue from External Customer [Line Items]
Net sales	88,353	83,189	270,378	248,733
Walmart U.S. \| Grocery
Revenue from External Customer [Line Items]
Net sales	50,683	48,117	155,149	142,511
Walmart U.S. \| General merchandise
Revenue from External Customer [Line Items]
Net sales	26,927	24,964	84,075	76,602
Walmart U.S. \| Health and wellness
Revenue from External Customer [Line Items]
Net sales	9,806	9,225	28,560	27,113
Walmart U.S. \| Other categories
Revenue from External Customer [Line Items]
Net sales	$ 937	$ 883	$ 2,594	$ 2,507

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segments and Disaggregated Revenue (Revenue, International) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenue from External Customer [Line Items]
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Walmart International
Revenue from External Customer [Line Items]
Net sales	29,554	29,167	86,487	87,081
Mexico and Central America \| Walmart International
Revenue from External Customer [Line Items]
Net sales	7,429	7,913	23,133	23,765
United Kingdom \| Walmart International
Revenue from External Customer [Line Items]
Net sales	7,249	6,961	21,079	21,355
Canada \| Walmart International
Revenue from External Customer [Line Items]
Net sales	4,969	4,608	14,383	13,366
China \| Walmart International
Revenue from External Customer [Line Items]
Net sales	2,787	2,718	8,735	8,209
Other \| Walmart International
Revenue from External Customer [Line Items]
Net sales	$ 7,120	$ 6,967	$ 19,157	$ 20,386

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segments and Disaggregated Revenue (Revenue, Sam's Club) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenue from External Customer [Line Items]
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Sam's Club
Revenue from External Customer [Line Items]
Net sales	15,845	14,625	47,383	43,504
Sam's Club \| Grocery and consumables
Revenue from External Customer [Line Items]
Net sales	10,450	8,900	31,526	26,151
Sam's Club \| Fuel, tobacco and other categories
Revenue from External Customer [Line Items]
Net sales	1,942	2,646	6,023	8,127
Sam's Club \| Home and apparel
Revenue from External Customer [Line Items]
Net sales	1,693	1,532	4,926	4,725
Sam's Club \| Health and wellness
Revenue from External Customer [Line Items]
Net sales	1,017	858	2,849	2,527
Sam's Club \| Technology, office and entertainment
Revenue from External Customer [Line Items]
Net sales	$ 743	$ 689	$ 2,059	$ 1,974

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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