Walmart (WMT) 10-Q 6 Dec 13 2014 Q3 Quarterly report Financial data

Document_And_Entity_Informatio

Document And Entity Information	9 Months Ended
	Oct. 31, 2013	Dec. 04, 2013
Document And Entity Information [Abstract]	'	'
Entity Registrant Name	'WAL MART STORES INC	'
Entity Central Index Key	'0000104169	'
Current Fiscal Year End Date	'--01-31	'
Entity Filer Category	'Large Accelerated Filer	'
Document Type	'10-Q	'
Document Period End Date	31-Oct-13	'
Document Fiscal Year Focus	'2014	'
Document Fiscal Period Focus	'Q3	'
Amendment Flag	'false	'
Entity Common Stock, Shares Outstanding	'	3,235,772,430

Condensed_Consolidated_Stateme

Condensed Consolidated Statements Of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Revenues:	'	'	'	'
Net sales	$114,876	$113,077	$344,290	$338,644
Membership and other income	812	723	2,298	2,231
Total revenues	115,688	113,800	346,588	340,875
Costs and expenses:	'	'	'	'
Cost of sales	86,687	85,470	260,098	256,226
Operating, selling, general and administrative expenses	22,691	22,237	66,965	65,504
Operating income	6,310	6,093	19,525	19,145
Interest:	'	'	'	'
Debt	527	522	1,556	1,512
Capital leases	65	68	198	205
Interest income	-12	-44	-92	-131
Interest, net	580	546	1,662	1,586
Income from continuing operations before income taxes	5,730	5,547	17,863	17,559
Provision for income taxes	1,860	1,738	5,856	5,718
Income from continuing operations	3,870	3,809	12,007	11,841
Income from discontinued operations, net of income taxes	15	16	38	39
Consolidated net income	3,885	3,825	12,045	11,880
Less consolidated net income attributable to noncontrolling interest	-147	-190	-454	-487
Consolidated net income attributable to Walmart	$3,738	$3,635	$11,591	$11,393
Basic net income per common share:	'	'	'	'
Basic income per common share from continuing operations attributable to Walmart	$1.14	$1.08	$3.53	$3.36
Basic income per common share from discontinued operations attributable to Walmart	$0.01	$0	$0	$0.01
Basic net income per common share attributable to Walmart	$1.15	$1.08	$3.53	$3.37
Diluted net income per common share:	'	'	'	'
Diluted income per common share from continuing operations attributable to Walmart	$1.14	$1.07	$3.51	$3.34
Diluted income per common share from discontinued operations attributable to Walmart	$0	$0.01	$0.01	$0.01
Diluted net income per common share attributable to Walmart	$1.14	$1.08	$3.52	$3.35
Weighted-average common shares outstanding:	'	'	'	'
Basic	3,257	3,364	3,279	3,385
Diluted	3,271	3,379	3,293	3,400
Dividends declared per common share	$0	$0	$1.88	$1.59

Condensed_Consolidated_Stateme1

Condensed Consolidated Statements Of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Statement of Comprehensive Income [Abstract]	'	'	'	'
Consolidated net income	$3,885	$3,825	$12,045	$11,880
Less consolidated net income attributable to nonredeemable noncontrolling interest	-131	-176	-407	-448
Less consolidated net income attributable to redeemable noncontrolling interest	-16	-14	-47	-39
Consolidated net income attributable to Walmart	3,738	3,635	11,591	11,393
Other comprehensive income (loss), net of income taxes	'	'	'	'
Currency translation and other	724	876	-2,171	1,232
Derivative instruments	0	250	180	-135
Minimum pension liability	1	-1	117	3
Other comprehensive income (loss), net of income taxes	725	1,125	-1,874	1,100
Less other comprehensive income attributable to nonredeemable noncontrolling interest	-15	-122	240	-196
Less other comprehensive income attributable to redeemable noncontrolling interest	-4	-34	38	-56
Other comprehensive income attributable to Walmart	706	969	-1,596	848
Comprehensive income, net of income taxes	4,610	4,950	10,171	12,980
Less comprehensive income (loss) attributable to nonredeemable noncontrolling interest	-146	-298	-167	-644
Less comprehensive income (loss) attributable to redeemable noncontrolling interest	-20	-48	-9	-95
Comprehensive income attributable to Walmart	$4,444	$4,604	$9,995	$12,241

Condensed_Consolidated_Balance

Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Oct. 31, 2013	Jan. 31, 2013	Oct. 31, 2012
In Millions, unless otherwise specified
Current assets:	'	'	'
Cash and cash equivalents	$8,736	$7,781	$8,643
Receivables, net	6,206	6,768	5,567
Inventories	49,673	43,803	47,487
Prepaid expenses and other	2,160	1,588	1,654
Current assets of discontinued operations	367	0	80
Total current assets	67,142	59,940	63,431
Property and equipment:	'	'	'
Property and equipment	170,967	165,825	163,011
Less accumulated depreciation	-56,313	-51,896	-50,450
Property and equipment, net	114,654	113,929	112,561
Property under capital leases:	'	'	'
Property under capital leases	5,668	5,899	5,900
Less accumulated amortization	-3,095	-3,147	-3,208
Property under capital leases, net	2,573	2,752	2,692
Goodwill	19,729	20,497	20,572
Other assets and deferred charges	5,778	5,987	6,562
Total assets	209,876	203,105	205,818
Current liabilities:	'	'	'
Short-term borrowings	12,817	6,805	8,740
Accounts payable	39,221	38,080	40,272
Dividends payable	1,573	0	1,381
Accrued liabilities	18,606	18,808	18,536
Accrued income taxes	255	2,211	1,010
Long-term debt due within one year	4,147	5,587	6,550
Obligations under capital leases due within one year	315	327	331
Current liabilities of discontinued operations	87	0	25
Total current liabilities	77,021	71,818	76,845
Long-term debt	41,702	38,394	38,872
Long-term obligations under capital leases	2,841	3,023	2,964
Deferred income taxes and other	8,298	7,613	8,044
Redeemable Noncontrolling Interest	1,492	519	492
Commitments and contingencies	'	'	'
Equity:	'	'	'
Common stock	324	332	336
Capital in excess of par value	2,364	3,620	3,861
Retained earnings	72,888	72,978	70,256
Accumulated other comprehensive income (loss)	-2,183	-587	-562
Total Walmart shareholders' equity	73,393	76,343	73,891
Nonredeemable noncontrolling interest	5,129	5,395	4,710
Total equity	78,522	81,738	78,601
Total liabilities and equity	$209,876	$203,105	$205,818

Condensed_Consolidated_Stateme2

Condensed Consolidated Statement Of Shareholders' Equity (Unaudited) (USD $)	Total	Common stock	Capital in excess of par value	Retained earnings	Accumulated other comprehensive income (loss)	Total Walmart shareholders' equity	Nonredeemable Noncontrolling interest
In Millions
Redeemable Noncontrolling Interest at Jan. 31, 2013	$519	'	'	'	'	'	'
Balances at Jan. 31, 2013	81,738	332	3,620	72,978	-587	76,343	5,395
Balances, in shares at Jan. 31, 2013	'	3,314	'	'	'	'	'
Consolidated net income	11,998	'	'	11,591	'	11,591	407
Consolidated Net Income, Net of Tax, Attributable to Redeemable Noncontrolling Interest	47	'	'	'	'	'	'
Redeemable Noncontrolling Interest, Change In Redemption Value	977	'	'	'	'	'	'
Other comprehensive income, net of income taxes	-1,836	'	'	'	-1,596	-1,596	-240
Other Comprehensive Income Net Of Tax Portion Attributable To Redeemable Noncontrolling Interest	-38	'	'	'	'	'	'
Cash dividends declared (1.88 per share)	-6,190	'	'	-6,190	'	-6,190	'
Purchase of Company stock (in shares)	'	-77	'	'	'	'	'
Purchase of Company stock	-5,718	-8	-268	-5,442	'	-5,718	'
Noncontrolling Interest, Change in Redemption Value	-977	'	-977	'	'	-977	'
Other Change in Redeemable Noncontrolling Interest	-13	'	'	'	'	'	'
Other, in shares	'	5	'	'	'	'	'
Other	-493	0	-11	-49	'	-60	-433
Balances at Oct. 31, 2013	78,522	324	2,364	72,888	-2,183	73,393	5,129
Redeemable Noncontrolling Interest at Oct. 31, 2013	$1,492	'	'	'	'	'	'
Balances, in shares at Oct. 31, 2013	'	3,242	'	'	'	'	'

Condensed_Consolidated_Stateme3

Condensed Consolidated Statement Of Shareholders' Equity (Unaudited) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Statement of Stockholders' Equity [Abstract]	'	'	'	'
Dividends declared per common share	$0	$0	$1.88	$1.59

Condensed_Consolidated_Stateme4

Condensed Consolidated Statements Of Cash Flows (Unaudited) (USD $)	9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Cash flows from operating activities:	'	'
Consolidated net income	$12,045	$11,880
Income from discontinued operations, net of income taxes	-38	-39
Income from continuing operations	12,007	11,841
Adjustments to reconcile consoliated net income to net cash provided by operating activities:	'	'
Depreciation and amortization	6,600	6,304
Deferred income taxes	594	279
Other operating activities	465	138
Changes in certain assets and liabilities:	'	'
Receivables, net	191	501
Inventories	-6,230	-6,459
Accounts payable	2,089	3,545
Accrued liabilities	-95	-82
Accrued income taxes	-2,301	-160
Net cash provided by operating activities	13,320	15,907
Cash flows from investing activities:	'	'
Payments for property and equipment	-9,506	-8,921
Proceeds from the disposal of property and equipment	521	343
Investments and Business Acquisitions, Net of Cash Acquired	15	716
Other investing activities	58	-58
Net cash used in investing activities	-8,942	-9,352
Cash flows from financing activities:	'	'
Net change in short-term borrowings	6,046	4,700
Proceeds from issuance of long-term debt	7,053	199
Payments of long-term debt	-4,943	-639
Dividends paid	-4,625	-4,034
Purchase of Company stock	-5,806	-4,657
Other financing activities	-960	-263
Net cash used in financing activities	-3,235	-4,694
Effect of exchange rates on cash and cash equivalents	-188	232
Net increase in cash and cash equivalents	955	2,093
Cash and cash equivalents at beginning of year	7,781	6,550
Cash and cash equivalents at end of period	$8,736	$8,643

Basis_Of_Presentation

Basis Of Presentation	9 Months Ended
	Oct. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'
Basis Of Presentation	'
	Accounting Policies
	Basis of Presentation
	The Condensed Consolidated Financial Statements of Wal-Mart Stores, 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 a 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, 2013. Therefore, the interim Condensed Consolidated Financial Statements should be read in conjunction with that Annual Report on Form 10-K.
	The Company's Condensed Consolidated Financial Statements are based on a fiscal year ending on 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 October 2013 related to the operations consolidated using a lag that materially affected the Condensed Consolidated Financial Statements.
	The Company's business is seasonal to a certain extent due to different calendar events and national and religious holidays, as well as different weather patterns. Historically, the Company's highest sales volume and operating income occur in the fiscal quarter ending January 31.
	Certain prior period amounts have been reclassified to conform to the current period's presentation. These reclassifications did not impact the Company's operating income or consolidated net income.
	Receivables
	Receivables are stated at their carrying values, net of a reserve for doubtful accounts. Receivables consist primarily of amounts due from:
	•	insurance companies resulting from pharmacy sales;
	•	banks for customer credit and debit cards and electronic bank transfers that take in excess of seven days to process;
	•	consumer financing programs in certain international operations;
	•	suppliers for marketing or incentive programs; and
	•	real estate transactions.
	The Walmart International segment offers a limited number of consumer credit products, primarily through its financial institutions in select countries. The receivable balance from consumer credit products was $1.2 billion, net of a reserve for doubtful accounts of $93 million at October 31, 2013, compared to a receivable balance of $1.2 billion, net of a reserve for doubtful accounts of $115 million at January 31, 2013. These balances are included in receivables, net, in the Company's Condensed Consolidated Balance Sheets.
	Inventories
	The Company values inventories at the lower of cost or market as determined primarily by the retail method of accounting, using the last-in, first-out ("LIFO") method for substantially all of the Walmart U.S. segment's inventories. The Walmart International segment's inventories are primarily valued by the retail method of accounting, using the first-in, first-out ("FIFO") method. The retail method of accounting results in inventory being valued at the lower of cost or market since permanent markdowns are currently taken as a reduction of the retail value of inventory. The Sam's Club segment's inventories are valued based on the weighted-average cost using the LIFO method. At October 31, 2013 and January 31, 2013, the Company's inventories valued at LIFO approximate those inventories as if they were valued at FIFO.
	Recently Adopted or New Accounting Pronouncements
	No recently adopted or new accounting pronouncements have had, or are expected to have, a material effect on the Company's net income, financial position or cash flows.

Net_Income_Per_Common_Share

Net Income Per Common Share	9 Months Ended
	Oct. 31, 2013
Earnings Per Share [Abstract]	'
Net Income Per Common Share	'
	Net Income Per Common Share
	Basic income per common share from continuing operations attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period. Diluted income per common share from continuing operations attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period adjusted for the dilutive effect of outstanding stock options and other share-based awards. The Company did not have significant stock options or other share-based awards outstanding that were antidilutive and not included in the calculation of diluted income per common share from continuing operations attributable to Walmart for the three and nine months ended October 31, 2013 and 2012.
	The following table provides a reconciliation of the numerators and denominators used to determine basic and diluted income per common share from continuing operations attributable to Walmart:
		Three Months Ended						Nine Months Ended
		October 31,						October 31,
	(Amounts in millions, except per share data)	2013			2012			2013			2012
	Numerator
	Income from continuing operations	$	3,870		$	3,809		$	12,007		$	11,841
	Less income from continuing operations attributable to noncontrolling interest	(143		)	(185		)	(443		)	(475		)
	Income from continuing operations attributable to Walmart	$	3,727		$	3,624		$	11,564		$	11,366
	Denominator
	Weighted-average common shares outstanding, basic	3,257			3,364			3,279			3,385
	Dilutive impact of stock options and other share-based awards	14			15			14			15
	Weighted-average common shares outstanding, diluted	3,271			3,379			3,293			3,400
	Income per common share from continuing operations attributable to Walmart
	Basic	$	1.14		$	1.08		$	3.53		$	3.36
	Diluted	1.14			1.07			3.51			3.34

Accumulated_Other_Comprehensiv

Accumulated Other Comprehensive Income (Loss)	9 Months Ended
	Oct. 31, 2013
Other Comprehensive Income (Loss), Tax [Abstract]	'
Accumulated Other Comprehensive Income (Loss)	'
	Accumulated Other Comprehensive Income (Loss)
	The following table provides the changes in the composition of total Walmart accumulated other comprehensive income (loss) for the nine months ended October 31, 2013:
	(Amounts in millions and net of income taxes)	Currency Translation			Derivative		Minimum			Total
		and Other			Instruments		Pension Liability
	Balances as of February 1, 2013	$	47		$	129	$	(763	)	$	(587	)
	Other comprehensive income (loss) before reclassifications	(1,893		)	168		111			(1,614		)
	Amounts reclassified from accumulated other comprehensive income (loss)	—			12		6			18
	Balances as of October 31, 2013	$	(1,846	)	$	309	$	(646	)	$	(2,183	)
	Amounts reclassified from accumulated other comprehensive income (loss) are generally included in interest, net, in the Company's Condensed Consolidated Statements of Income, except for amounts related to the minimum pension liability category, which are included in the computation of net periodic pension costs.
	The Company's unrealized net gains and losses on net investment hedges, included in the currency translation and other category of accumulated other comprehensive income (loss), were not significant as of October 31, 2013 and January 31, 2013.

Longterm_Debt_Notes

Long-term Debt (Notes)	9 Months Ended
	Oct. 31, 2013
Long-term Debt, Unclassified [Abstract]	'
Long-term Debt [Text Block]	'
	Long-term Debt
	Information on significant long-term debt issued during the nine months ended October 31, 2013, is as follows:
	(Amounts in millions)
	Issue Date	Maturity Date	Interest Rate	Principal Amount
	April 11, 2013	11-Apr-16	0.60%	$	1,000
	April 11, 2013	11-Apr-18	1.13%	1,250
	April 11, 2013	11-Apr-23	2.55%	1,750
	April 11, 2013	11-Apr-43	4.00%	1,000
	October 2, 2013	December 15, 2018	1.95%	1,000
	October 2, 2013	October 2, 2043	4.75%	750
	Total			$	6,750
	The aggregate net proceeds from these long-term debt issuances were approximately $6.7 billion, which were used to pay down and refinance existing debt and for other general corporate purposes. The Company also received additional aggregate net proceeds of approximately $0.4 billion from other, smaller long-term debt issuances in several of its international operations, which were used primarily to refinance existing debt.
	On April 11, 2013, the Company issued $1.0 billion principal amount of its 0.600% Notes due 2016, $1.25 billion principal amount of its 1.125% Notes due 2018, $1.75 billion principal amount of its 2.550% Notes due 2023 and $1.0 billion principal amount of its 4.000% Notes due 2043. The aggregate net proceeds from these note issuances were approximately $5.0 billion. The notes of each series require semi-annual interest payments on April 11 and October 11 of each year, with the first interest payment made on October 11, 2013. Unless previously purchased and canceled, the Company will repay the notes of each series at 100% of the principal amount, together with accrued and unpaid interest thereon, at maturity. However, the Company has the right to redeem any or all of the notes that mature on April 11, 2023, at any time on or after January 11, 2023, and to redeem any or all of the notes that mature on April 11, 2043, at any time on or after October 11, 2042, in each case at 100% of the principal amount, together with the accrued and unpaid interest thereon to, but excluding, the date of redemption. The notes of each series are senior, unsecured obligations of the Company and are not convertible or exchangeable.
	On October 2, 2013, the Company issued $1.0 billion principal amount of its 1.950% Notes due 2018 and $750 million principal amount of its 4.750% Notes due 2043. The aggregate net proceeds from these note issuances were approximately $1.7 billion. The 1.950% Notes due 2018 series require semi-annual interest payments on June 15 and December 15 of each year, with the first interest payment commencing on June 15, 2014. The 4.750% Notes due 2043 series require semi-annual interest payments on October 2 and April 2 of each year, commencing on April 2, 2014. Unless previously purchased and canceled, the Company will repay the notes of each series at 100% of the principal amount, together with accrued and unpaid interest thereon, at maturity. However, the Company has the right to redeem any or all of the notes that mature on October 2, 2043, at any time on or after April 2, 2043, at 100% of the principal amount, together with the accrued and unpaid interest thereon to, but excluding, the date of redemption. The notes of each series are senior, unsecured obligations of the Company and are not convertible or exchangeable.

Fair_Value_Measurements

Fair Value Measurements	9 Months Ended
	Oct. 31, 2013
Fair Value Disclosures [Abstract]	'
Fair Value Measurements	'
	Fair Value Measurements
	The Company records and discloses certain financial and non-financial assets and liabilities at their fair value. The fair value of an asset is the price at which the asset could be sold in an ordinary transaction between unrelated, knowledgeable and willing parties able to engage in the transaction. A liability's fair value is defined as the amount that would be paid to transfer the liability to a new obligor in a transaction between such parties, not the amount that would be paid to settle the liability with the creditor. 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.
	Recurring Fair Value Measurements
	The Company holds derivative instruments that are required to be measured at fair value on a recurring basis. The 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, 2013 and January 31, 2013, the notional amounts and fair values of these derivatives are as follows:
		October 31, 2013						January 31, 2013
	(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	$	1,000		$	11		$	3,445		$	60
	Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as net investment hedges	1,250			139			1,250			223
	Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as cash flow hedges	2,971			400			2,944			230
	Receive variable-rate, pay fixed-rate interest rate swaps designated as cash flow hedges	477			(2		)	1,056			(8		)
	Receive variable-rate, pay fixed-rate forward starting interest rate swaps designated as cash flow hedges	2,500			177			5,000			10
	Total	$	8,198		$	725		$	13,695		$	515
	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 record any significant impairment charges to assets measured at fair value on a nonrecurring basis for the three and nine months ended October 31, 2013, or for the fiscal year ended January 31, 2013.
	Other Fair Value Disclosures
	The Company records cash and cash equivalents 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, 2013 and January 31, 2013, are as follows:
			October 31, 2013						January 31, 2013
	(Amounts in millions)		Carrying Value			Fair Value			Carrying Value			Fair Value
	Long-term debt, including amounts due within one year		$	45,849		$	50,467		$	43,981		$	50,664

Derivative_Financial_Instrumen

Derivative Financial Instruments	9 Months Ended
	Oct. 31, 2013
Summary of Derivative Instruments [Abstract]	'
Derivative Financial Instruments	'
	Derivative Financial Instruments
	The Company uses derivative financial instruments for hedging and non-trading purposes to manage its exposure to changes in interest and currency exchange rates, as well as to maintain an appropriate mix of fixed- and variable-rate debt. Use of derivative financial instruments in hedging programs subjects the Company to certain risks, such as market and credit risks. Market risk represents the possibility that the value of the derivative financial instrument will change. In a hedging relationship, the change in the value of the derivative financial instrument is offset to a great extent by the change in the value of the underlying hedged item. Credit risk related to a derivative financial instrument represents the possibility that the counterparty will not fulfill the terms of the contract. The notional, or contractual, amount of the Company's derivative financial instruments is used to measure interest to be paid or received and does not represent the Company's exposure due to credit risk. Credit risk is monitored through established approval procedures, including setting concentration limits by counterparty, reviewing credit ratings and requiring collateral (generally cash) from the counterparty when appropriate.
	The Company only enters into derivative transactions with counterparties rated "A-" or better by nationally recognized credit rating agencies. Subsequent to entering into derivative transactions, the Company regularly monitors the credit ratings of its counterparties. In connection with various derivative agreements, including master netting arrangements, the Company held cash collateral from counterparties of $612 million and $413 million at October 31, 2013 and January 31, 2013, respectively. The Company records cash collateral received as amounts due to the counterparties exclusive of any derivative asset. Furthermore, as part of the master netting arrangements with these counterparties, the Company is also required to post collateral if the Company's net derivative liability position exceeds $150 million with any counterparty. The Company did not have any cash collateral posted with counterparties at October 31, 2013 or January 31, 2013. The Company records cash collateral it posts with counterparties as amounts receivable from those counterparties exclusive of any derivative liability.
	The Company uses derivative financial instruments for the purpose of hedging its exposure to interest and currency exchange rate risks and, accordingly, the contractual terms of a hedged instrument closely mirror those of the hedged item, providing a high degree of risk reduction and correlation. Contracts that are effective at meeting the risk reduction and correlation criteria are recorded using hedge accounting. If a derivative financial instrument is recorded using hedge accounting, depending on the nature of the hedge, changes in the fair value of the instrument will either be offset against the change in fair value of the hedged assets, liabilities or firm commitments through earnings or be recognized in accumulated other comprehensive income (loss) until the hedged item is recognized in earnings. Any hedge ineffectiveness is immediately recognized in earnings. The Company's net investment and cash flow instruments are highly effective hedges and the ineffective portion has not been, and is not expected to be, significant. Instruments that do not meet the criteria for hedge accounting, or contracts for which the Company has not elected hedge accounting, are recorded at fair value with unrealized gains or losses reported in earnings during the period of the change.
	Fair Value Instruments
	The Company is a party to receive fixed-rate, pay variable-rate interest rate swaps that the Company uses to hedge the fair value of fixed-rate debt. The notional amounts are used to measure interest to be paid or received and do not represent the Company's exposure due to credit loss. The Company's interest rate swaps that receive fixed-interest rate payments and pay variable-interest rate payments are designated as fair value hedges. As the specific terms and notional amounts of the derivative instruments match those of the fixed-rate debt being hedged, the derivative instruments are assumed to be perfectly effective hedges. Changes in the fair values of these derivative instruments are recorded in earnings, but are offset by corresponding changes in the fair values of the hedged items, also recorded in earnings, and, accordingly, do not impact the Company's Condensed Consolidated Statements of Income. These fair value instruments will mature on dates ranging from February 2014 to May 2014.
	Net Investment Instruments
	The Company is a party to cross-currency interest rate swaps that the Company uses to hedge its net investments. The agreements are contracts to exchange fixed-rate payments in one currency for fixed-rate payments in another currency. All changes in the fair value of these instruments are recorded in accumulated other comprehensive income (loss), offsetting the currency translation adjustment of the related investment that is also recorded in accumulated other comprehensive income (loss). These instruments will mature on dates ranging from October 2023 to February 2030.
	The Company has issued foreign-currency-denominated long-term debt as hedges of net investments of certain of its foreign operations. These foreign-currency-denominated long-term debt issuances are designated and qualify as nonderivative hedging instruments. Accordingly, the foreign currency translation of these debt instruments is recorded in accumulated other comprehensive income (loss), offsetting the foreign currency translation adjustment of the related net investments that is also recorded in accumulated other comprehensive income (loss). At October 31, 2013 and January 31, 2013, the Company had ¥200 billion and ¥275 billion, respectively, of outstanding long-term debt designated as a hedge of its net investment in Japan, as well as outstanding long-term debt of £2.5 billion at October 31, 2013 and January 31, 2013, that was designated as a hedge of its net investment in the United Kingdom. These nonderivative net investment hedges will mature on dates ranging from August 2014 to January 2039.
	Cash Flow Instruments
	The Company is a party to receive variable-rate, pay fixed-rate interest rate swaps that the Company uses to hedge the interest rate risk of certain non-U.S. denominated debt. The swaps are designated as cash flow hedges of interest expense risk. Amounts reported in accumulated other comprehensive income (loss) related to these derivatives are reclassified from accumulated other comprehensive income (loss) to earnings as interest is expensed for the Company's variable-rate debt, converting the variable-rate interest expense into fixed-rate interest expense. These cash flow instruments will mature on dates ranging from August 2014 to July 2015.
	The Company is also a party to receive fixed-rate, pay fixed-rate cross-currency interest rate swaps to hedge the currency exposure associated with the forecasted payments of principal and interest of certain non-U.S. denominated debt. The swaps are designated as cash flow hedges of the currency risk related to payments on the non-U.S. denominated debt. The effective portion of changes in the fair value of derivatives designated as cash flow hedges of foreign exchange risk is recorded in accumulated other comprehensive income (loss) and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. The hedged items are recognized foreign currency-denominated liabilities that are remeasured at spot exchange rates each period, and the assessment of effectiveness (and measurement of any ineffectiveness) is based on total changes in the related derivative's cash flows. As a result, the amount reclassified into earnings each period includes an amount that offsets the related transaction gain or loss arising from that remeasurement and the adjustment to earnings for the period's allocable portion of the initial spot-forward difference associated with the hedging instrument. These cash flow instruments will mature on dates ranging from September 2029 to March 2034.
	The Company also uses forward starting receive variable-rate, pay fixed-rate swaps ("forward starting swaps"), to hedge its exposure to the variability in future cash flows due to changes in the LIBOR swap rate for 10- and 30-year debt issuances forecasted to occur in the future. Amounts reported in accumulated other comprehensive income (loss) related to these derivatives will be reclassified from accumulated other comprehensive income (loss) to earnings as interest expense is incurred on the forecasted hedged fixed-rate debt, adjusting interest expense to reflect the fixed-rate entered into by the forward starting swaps. These cash flow instruments hedge forecasted interest payments to be made through May 2044. These forward starting swaps will be terminated on the day the hedged forecasted debt issuances occur, but no later than October 31, 2014, if the hedged forecasted debt issuances do not occur. The Company terminated forward starting swaps with an aggregate notional amount of $2.5 billion by making a cash payment to the related counterparties of $74 million in connection with the April 2013 debt issuances described in Note 4. The $74 million loss was recorded in accumulated other comprehensive income (loss) and will be reclassified to earnings over the life of the related debt, effectively adjusting interest expense to reflect the fixed-rate entered into by the forward starting swaps.
	Financial Statement Presentation
	Although subject to master netting arrangements, the Company does not offset derivative assets and derivative liabilities in its Condensed Consolidated Balance Sheets. Derivative instruments with an unrealized gain are recorded in the Company's Condensed Consolidated Balance Sheets as either current or non-current assets, based on maturity date, and those hedging instruments with an unrealized loss are recorded as either current or non-current liabilities, based on maturity date.
	The Company's derivative instruments, as well as its nonderivative debt instruments designated and qualifying as net investment hedges, were classified as follows in the Company's Condensed Consolidated Balance Sheets:
		October 31, 2013						January 31, 2013
	(Amounts in millions)	Fair Value		Net Investment		Cash Flow		Fair Value		Net Investment		Cash Flow
		Instruments		Instruments		Instruments		Instruments		Instruments		Instruments
	Derivative instruments
	Prepaid expenses and other	$	11	$	—	$	—	$	29	$	—	$	—
	Other assets and deferred charges	—		139		577		31		223		327
	Derivative asset subtotals	$	11	$	139	$	577	$	60	$	223	$	327
	Accrued liabilities	$	—	$	—	$	1	$	—	$	—	$	4
	Deferred income taxes and other	—		—		1		—		—		91
	Derivative liability subtotals	$	—	$	—	$	2	$	—	$	—	$	95
	Nonderivative hedging instruments
	Long-term debt due within one year	$	—	$	1,015	$	—	$	—	$	818	$	—
	Long-term debt	—		5,025		—		—		6,145		—
	Nonderivative hedge liability subtotals	$	—	$	6,040	$	—	$	—	$	6,963	$	—
	Gains and losses related to the Company's derivatives primarily relate to interest rate hedges, which are included in interest, net, in the Company's Condensed Consolidated Statements of Income. Amounts related to the Company's derivatives expected to be reclassified from accumulated other comprehensive income (loss) to net income during the next 12 months, are not significant.

Share_Repurchases

Share Repurchases	9 Months Ended
	Oct. 31, 2013
Share Repurchases [Abstract]	'
Share Repurchases	'
	Share Repurchases
	From time to time, the Company repurchases shares of its common stock under share repurchase programs authorized by the Board of Directors. On June 6, 2013, the Company's Board of Directors replaced the previous $15.0 billion share repurchase program, which had approximately $712 million of remaining authorization for share repurchases as of that date, with a new $15.0 billion share repurchase program, which was announced on June 7, 2013. As was the case with the replaced share repurchase program, the new share repurchase program has no expiration date or other restrictions limiting the period over which the Company can make share repurchases. Any repurchased shares are constructively retired and returned to an unissued status.
	The Company considers several factors in determining when to execute share repurchases, including, among other things, current cash needs, capacity for leverage, cost of borrowings and the market price of its common stock. The number of shares repurchased, average price paid per share and cash paid for share repurchases for the nine months ended October 31, 2013 and 2012, were as follows:
		Nine Months Ended October 31,
	(Amounts in millions, except per share data)	2013		2012
	Total number of shares repurchased	77.9		70.9
	Average price paid per share	$	74.54	$	65.69
	Total cash paid for share repurchases	$	5,806	$	4,657

Common_Stock_Dividends

Common Stock Dividends	9 Months Ended
	Oct. 31, 2013
Dividends, Common Stock [Abstract]	'
Dividends Payable [Text Block]	'
	Common Stock Dividends
	On February 21, 2013, the Board of Directors approved an increase in the annual dividend for fiscal 2014 to $1.88 per share, an increase of approximately 18% over the $1.59 per share dividend paid in fiscal 2013. For fiscal 2014, the annual dividend will be paid in four quarterly installments of $0.47 per share, according to the following record and payable dates:
	Record Date	Payable Date
	March 12, 2013	April 1, 2013
	May 10, 2013	June 3, 2013
	August 9, 2013	September 3, 2013
	December 6, 2013	January 2, 2014
	The dividend installments payable on April 1, 2013, June 3, 2013 and September 3, 2013, were paid as scheduled.

Contingencies

Contingencies	9 Months Ended
	Oct. 31, 2013
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 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's shareholders. Unless stated otherwise, the matters, or groups of related matters, discussed below, if decided adversely to or settled by the Company, individually or in the aggregate, may result in a liability material to the Company's financial condition or results of operations.
	Wage-and-Hour Class Action: The Company is a defendant in Braun/Hummel v. Wal-Mart Stores, Inc., a class-action lawsuit commenced in March 2002 in the Court of Common Pleas in Philadelphia, Pennsylvania. The plaintiffs allege that the Company failed to pay class members for all hours worked and prevented class members from taking their full meal and rest breaks. On October 13, 2006, a jury awarded back-pay damages to the plaintiffs of approximately $78 million on their claims for off-the-clock work and missed rest breaks. The jury found in favor of the Company on the plaintiffs' meal-period claims. On November 14, 2007, the trial judge entered a final judgment in the approximate amount of $188 million, which included the jury's back-pay award plus statutory penalties, prejudgment interest and attorneys' fees. By operation of law, post-judgment interest accrues on the judgment amount at the rate of six percent per annum from the date of entry of the judgment, which was November 14, 2007, until the judgment is paid, unless the judgment is set aside on appeal. On December 7, 2007, the Company filed its Notice of Appeal. The Company filed its opening appellate brief on February 17, 2009, plaintiffs filed their response brief on April 20, 2009, and the Company filed its reply brief on June 5, 2009. Oral argument was held before the Pennsylvania Superior Court of Appeals on August 19, 2009. On June 10, 2011, the court issued an opinion upholding the trial court's certification of the class, the jury's back pay award, and the awards of statutory penalties and prejudgment interest, but reversing the award of attorneys' fees. On September 9, 2011, the Company filed a Petition for Allowance of Appeal with the Pennsylvania Supreme Court. On July 2, 2012, the Pennsylvania Supreme Court granted the Company's Petition. The Company served its opening brief in the Pennsylvania Supreme Court on October 22, 2012, plaintiffs served their response brief on January 22, 2013, and the Company served its reply on February 28, 2013. Oral argument was held in the Pennsylvania Supreme Court on May 8, 2013. No decision has been issued. The Company believes it has substantial factual and legal defenses to the claims at issue, and plans to continue pursuing appellate review.
	Gender Discrimination Class Actions: The Company is a defendant in Dukes v. Wal-Mart Stores, Inc., which was commenced as a class-action lawsuit in June 2001 in the United States District Court for the Northern District of California, asserting that the Company had engaged in a pattern and practice of discriminating against women in promotions, pay, training, and job assignments, and seeking, among other things, injunctive relief, front pay, back pay, punitive damages, and attorneys' fees. On June 21, 2004, the district court issued an order granting in part and denying in part the plaintiffs' motion for class certification. As defined by the district court, the class included "[a]ll women employed at any Wal-Mart domestic retail store at any time since December 26, 1998, who have been or may be subjected to Wal-Mart's challenged pay and management track promotions policies and practices." The Company appealed the order to the Ninth Circuit Court of Appeals and subsequently to the United States Supreme Court. On June 20, 2011, the Supreme Court issued an opinion decertifying the class and remanding the case to the district court. On October 27, 2011, the plaintiffs' attorneys filed an amended complaint proposing a class of current and former female associates at the Company's California retail facilities, and the Company filed a motion to dismiss on January 13, 2012. On September 21, 2012, the court denied the motion. The plaintiffs filed a motion for class certification on April 15, 2013. On August 2, 2013, the court denied the motion. On August 16, 2013, the plaintiffs filed a petition for permission to appeal that ruling to the U.S. Court of Appeals for the Ninth Circuit. On November 18, 2013, the Ninth Circuit denied that petition.
	On October 28, 2011, the attorneys for the plaintiffs in the Dukes case filed a similar complaint in the United States District Court for the Northern District of Texas entitled Odle v. Wal-Mart Stores, Inc., proposing a class of current and former female associates employed in any Walmart region that includes stores located in the state of Texas. On October 15, 2012, the court in the Odle case granted the Company's motion to dismiss, dismissing with prejudice the plaintiffs' class-action allegations and the individual claims of the lead plaintiff, Stephanie Odle. On March 19, 2013, the U.S. Court of Appeals for the Fifth Circuit denied the plaintiffs' petition for permission to appeal. On October 2, 2012, the plaintiffs' attorneys filed another similar complaint in the United States District Court for the Middle District of Tennessee entitled Phipps v. Wal-Mart Stores, Inc., proposing a class of current and former female associates employed in "Region 43, centered in Middle and Western Tennessee." On February 20, 2013, the court in the Phipps case granted the Company's motion to dismiss, dismissing with prejudice the plaintiffs' class-action allegations. On September 11, 2013, the U.S. Court of Appeals for the Sixth Circuit granted the plaintiffs’ petition for permission to appeal that ruling. On October 4, 2012, the plaintiffs' attorneys filed another similar complaint in the United States District Court for the Southern District of Florida, entitled Love v. Wal-Mart Stores, Inc., proposing a class of current and former female associates employed in certain designated stores and clubs in regions centered in the state of Florida. On September 23, 2013, the court in the Love case granted the Company’s motion to dismiss, dismissing with prejudice the plaintiffs’ class-action allegations. Finally, on February 20, 2013, the plaintiffs' attorneys filed another similar complaint in the United States District Court for the Western District of Wisconsin, entitled Ladik v. Wal-Mart Stores, Inc., proposing a class of current and former female associates employed in "Region 14, which includes Wal-Mart retail stores located in parts of Wisconsin, Illinois, Indiana and Michigan." On May 24, 2013, the court in the Ladik case granted the Company's motion to dismiss, dismissing with prejudice the plaintiffs' class-action allegations. On June 13, 2013, the U.S. Court of Appeals for the Seventh Circuit denied the plaintiffs' petition for permission to appeal. Management does not believe any possible loss or the range of any possible loss that may be incurred in connection with these matters will be material to the Company's financial condition or results of operations.
	FCPA Investigation and Related Matters
	The Audit Committee (the "Audit Committee") of the Board of Directors of the Company, which is composed solely of independent directors, is conducting an internal investigation into, among other things, alleged violations of the U.S. Foreign Corrupt Practices Act ("FCPA") and other alleged crimes or misconduct in connection with foreign subsidiaries, including Wal-Mart de México, S.A.B. de C.V. ("Walmex"), and whether prior allegations of such violations and/or misconduct were appropriately handled by the Company. The Audit Committee and the Company have engaged outside counsel from a number of law firms and other advisors who are assisting in the on-going investigation of these matters.
	The Company is also conducting a voluntary global review of its policies, practices and internal controls for FCPA compliance. The Company is engaged in strengthening its global anti-corruption compliance program through appropriate remedial anti-corruption measures.  In November 2011, the Company voluntarily disclosed that investigative activity to the U.S. Department of Justice (the "DOJ") and the Securities and Exchange Commission (the "SEC"). Since the implementation of the global review and the enhanced anti-corruption compliance program, the Audit Committee and the Company have identified or been made aware of additional allegations regarding potential violations of the FCPA. When such allegations are reported or identified, the Audit Committee and the Company, together with their third party advisors, conduct inquiries and when warranted based on those inquiries, open investigations. Inquiries or investigations regarding allegations of potential FCPA violations have been commenced in a number of foreign markets where the Company operates, including, but not limited to, Brazil, China and India.
	The Company has been informed by the DOJ and the SEC that it is also the subject of their respective investigations into possible violations of the FCPA. The Company is cooperating with the investigations by the DOJ and the SEC. A number of federal and local government agencies in Mexico have also initiated investigations of these matters. Walmex is cooperating with the Mexican governmental agencies conducting these investigations. Furthermore, lawsuits relating to the matters under investigation have been filed by several of the Company's shareholders against it, certain of its current directors, certain of its former directors, certain of its current and former officers and certain of Walmex's current and former officers.
	The Company could be exposed to a variety of negative consequences as a result of the matters noted above. There could be one or more enforcement actions in respect of the matters that are the subject of some or all of the on-going government investigations, and such actions, if brought, may result in judgments, settlements, fines, penalties, injunctions, cease and desist orders, debarment or other relief, criminal convictions and/or penalties. The shareholder lawsuits may result in judgments against the Company and its current and former directors and officers named in those proceedings. The Company cannot predict at this time the outcome or impact of the government investigations, the shareholder lawsuits, or its own internal investigations and review. In addition, the Company expects to incur costs in responding to requests for information or subpoenas seeking documents, testimony and other information in connection with the government investigations, in defending the shareholder lawsuits, and in conducting the review and investigations. These costs will be expensed as incurred. For the three and nine months ended October 31, 2013, the Company incurred expenses of approximately $69 million and $224 million respectively, related to these matters. Of these expenses, approximately $43 million and $135 million, respectively, represent costs incurred for the ongoing inquiries and investigations and $26 million and $89 million, respectively, relate to the Company's global compliance program and organizational enhancements. These matters may require the involvement of certain members of the Company's senior management that could impinge on the time they have available to devote to other matters relating to the business. The Company expects that there will be on-going media and governmental interest, including additional news articles from media publications on these matters, which could impact the perception among certain audiences of the Company's role as a corporate citizen.
	The Company's process of assessing and responding to the governmental investigations and the shareholder lawsuits continues. While the Company believes that it is probable that it will incur a loss from these matters, given the on-going nature and complexity of the review, inquiries and investigations, the Company cannot reasonably estimate any loss or range of loss that may arise from these matters. Although the Company does not presently believe that these matters will have a material adverse effect on its business, given the inherent uncertainties in such situations, the Company can provide no assurance that these matters will not be material to its business in the future.

Acquisitions_Disposals_and_Rel

Acquisitions, Disposals, and Related Items (Notes)	9 Months Ended
	Oct. 31, 2013
Acquisitions, Disposals and Related Items [Abstract]	'
Acquisitions, Disposals, and Related Items	'
	Note 10. Acquisitions, Disposals and Related Items
	The Company is in process of completing the following transactions that impact the operations of Walmart International:
	Vips Restaurant Business in Mexico
	In September 2013, Walmex, a majority-owned subsidiary of the Company, entered into a definitive agreement with Alsea S.A.B. de C.V. to dispose of Walmex's Vips restaurant business ("Vips") in Mexico for approximately $625 million. Accordingly, the Vips operating results are presented as discontinued operations in the Company's Condensed Consolidated Statements of Income for the three and nine months ended October 31, 2013 and 2012. Additionally, the Vips assets and liabilities to be disposed of are reported separately in the Company's Condensed Consolidated Balance Sheets as of October 31, 2013. The Vips sale is subject to approval by Mexican regulatory authorities and is expected to close during the fourth quarter. Upon completion of this transaction, the Company expects to record a net gain, which will be recorded in discontinued operations in the Company's Condensed Consolidated Statements of Income.
	Walmart Chile
	In September 2013, certain redeemable noncontrolling interest shareholders exercised put options that would require the Company to purchase a portion of their shares in Walmart Chile at the mutually agreed upon redemption value to be determined after exercise of the put options. Upon initial exercise of the put options, the Company recorded an increase to redeemable noncontrolling interest of $977 million, with a corresponding decrease to capital in excess of par value, to reflect the estimated redemption value of the redeemable noncontrolling interest at $1.4 billion. Subsequent to period end, the Company negotiated with the redeemable noncontrolling interest shareholders to acquire all of their redeemable noncontrolling interest shares. In February 2014, upon closing of the purchase of the shares held by the redeemable noncontrolling interest shareholders, the Company's ownership interest in Walmart Chile will be approximately 99.7 percent. The Company will then initiate a tender offer for the remaining 0.3 percent noncontrolling interest held by the public in Chile at the same value per share as will be paid to the redeemable noncontrolling interest shareholders. The tender offer is expected to close in March 2014.
	India Operations
	During the fourth quarter of fiscal 2014, the Company entered into an agreement with Bharti Ventures Limited ("Bharti") to acquire Bharti’s ownership stake in Bharti Walmart Private Limited, a joint venture between Bharti and the Company established in 2007, which operates the Company’s wholesale cash & carry business in India, for $100 million. Upon completion of the transaction, the Company will be the sole owner of that business. In addition, the Company also entered into agreements with Bharti to terminate its franchise and supply agreements with Bharti Retail Limited ("Bharti Retail"), which operates Bharti's retail business in India, and to transfer to Bharti the Company's investment in that business. The Company will pay, or forgive indebtedness, aggregating approximately $234 million in connection with such agreements related to the Bharti retail business. Each of these transactions is subject to regulatory approval and is expected to close during the fourth quarter. The Company expects to record a net loss in continuing operations in the Company's Condensed Consolidated Statements of Income related to the transactions with respect to Bharti Retail.

Segments

Segments	9 Months Ended
	Oct. 31, 2013
Segment Reporting Information, Profit (Loss) [Abstract]	'
Segments	'
	Segments
	The Company is engaged in the operations of retail stores located in the U.S., Africa, Argentina, Brazil, Canada, Central America, Chile, China, India, Japan, Mexico and the United Kingdom. The Company's operations are conducted in three reportable business segments: Walmart U.S., Walmart International and Sam's Club. The Company defines its segments as those business units whose operating results its 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 merchant concept in the U.S. operating under the "Walmart" or "Wal-Mart" brands, as well as walmart.com. The Walmart International segment consists of the Company's operations outside of the U.S., including various retail websites. The Sam's Club segment includes the warehouse membership clubs in the U.S., as well as samsclub.com. 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.
	Net sales by segment are as follows:
		Three Months Ended October 31,						Nine Months Ended October 31,
	(Amounts in millions)	2013			2012			2013			2012
	Net sales:
	Walmart U.S.	$	67,692		$	66,113		$	202,973		$	199,789
	Walmart International	33,109			33,046			98,839			96,922
	Sam's Club	14,075			13,918			42,478			41,933
	Net sales	$	114,876		$	113,077		$	344,290		$	338,644
	Operating income by segment, as well as for corporate and support, and interest, net, are as follows:
		Three Months Ended October 31,						Nine Months Ended October 31,
	(Amounts in millions)	2013			2012			2013			2012
	Operating income (loss):
	Walmart U.S.	$	5,123		$	4,841		$	15,973		$	15,122
	Walmart International	1,457			1,432			4,144			4,201
	Sam's Club	474			434			1,550			1,458
	Corporate and support	(744		)	(614		)	(2,142		)	(1,636		)
	Operating income	6,310			6,093			19,525			19,145
	Interest, net	580			546			1,662			1,586
	Income from continuing operations before income taxes	$	5,730		$	5,547		$	17,863		$	17,559

Net_Income_Per_Common_Share_Ta

Net Income Per Common Share (Tables)	9 Months Ended
	Oct. 31, 2013
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 income per common share from continuing operations attributable to Walmart:
		Three Months Ended						Nine Months Ended
		October 31,						October 31,
	(Amounts in millions, except per share data)	2013			2012			2013			2012
	Numerator
	Income from continuing operations	$	3,870		$	3,809		$	12,007		$	11,841
	Less income from continuing operations attributable to noncontrolling interest	(143		)	(185		)	(443		)	(475		)
	Income from continuing operations attributable to Walmart	$	3,727		$	3,624		$	11,564		$	11,366
	Denominator
	Weighted-average common shares outstanding, basic	3,257			3,364			3,279			3,385
	Dilutive impact of stock options and other share-based awards	14			15			14			15
	Weighted-average common shares outstanding, diluted	3,271			3,379			3,293			3,400
	Income per common share from continuing operations attributable to Walmart
	Basic	$	1.14		$	1.08		$	3.53		$	3.36
	Diluted	1.14			1.07			3.51			3.34

Accumulated_Other_Comprehensiv1

Accumulated Other Comprehensive Income (Loss) (Tables)	9 Months Ended
	Oct. 31, 2013
Other Comprehensive Income (Loss), Tax [Abstract]	'
Composition Of Accumulated Other Comprehensive Income (Loss)	'
	The following table provides the changes in the composition of total Walmart accumulated other comprehensive income (loss) for the nine months ended October 31, 2013:
	(Amounts in millions and net of income taxes)	Currency Translation			Derivative		Minimum			Total
		and Other			Instruments		Pension Liability
	Balances as of February 1, 2013	$	47		$	129	$	(763	)	$	(587	)
	Other comprehensive income (loss) before reclassifications	(1,893		)	168		111			(1,614		)
	Amounts reclassified from accumulated other comprehensive income (loss)	—			12		6			18
	Balances as of October 31, 2013	$	(1,846	)	$	309	$	(646	)	$	(2,183	)

Longterm_Debt_Tables

Long-term Debt (Tables)	9 Months Ended
	Oct. 31, 2013
Long-term Debt, Unclassified [Abstract]	'
Schedule of Long-term Debt Instruments [Table Text Block]	'
	Information on significant long-term debt issued during the nine months ended October 31, 2013, is as follows:
	(Amounts in millions)
	Issue Date	Maturity Date	Interest Rate	Principal Amount
	April 11, 2013	11-Apr-16	0.60%	$	1,000
	April 11, 2013	11-Apr-18	1.13%	1,250
	April 11, 2013	11-Apr-23	2.55%	1,750
	April 11, 2013	11-Apr-43	4.00%	1,000
	October 2, 2013	December 15, 2018	1.95%	1,000
	October 2, 2013	October 2, 2043	4.75%	750
	Total			$	6,750

Fair_Value_Measurements_Tables

Fair Value Measurements (Tables)	9 Months Ended
	Oct. 31, 2013
Fair Value Disclosures [Abstract]	'
Notional Amounts And Fair Values Of Interest Rate Swaps	'
	As of October 31, 2013 and January 31, 2013, the notional amounts and fair values of these derivatives are as follows:
		October 31, 2013						January 31, 2013
	(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	$	1,000		$	11		$	3,445		$	60
	Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as net investment hedges	1,250			139			1,250			223
	Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as cash flow hedges	2,971			400			2,944			230
	Receive variable-rate, pay fixed-rate interest rate swaps designated as cash flow hedges	477			(2		)	1,056			(8		)
	Receive variable-rate, pay fixed-rate forward starting interest rate swaps designated as cash flow hedges	2,500			177			5,000			10
	Total	$	8,198		$	725		$	13,695		$	515
Other Fair Value Disclosure [Table Text Block]	'
	The carrying value and fair value of the Company's long-term debt as of October 31, 2013 and January 31, 2013, are as follows:
			October 31, 2013						January 31, 2013
	(Amounts in millions)		Carrying Value			Fair Value			Carrying Value			Fair Value
	Long-term debt, including amounts due within one year		$	45,849		$	50,467		$	43,981		$	50,664

Derivative_Financial_Instrumen1

Derivative Financial Instruments (Tables)	9 Months Ended
	Oct. 31, 2013
Summary of Derivative Instruments [Abstract]	'
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]	'
		October 31, 2013						January 31, 2013
	(Amounts in millions)	Fair Value		Net Investment		Cash Flow		Fair Value		Net Investment		Cash Flow
		Instruments		Instruments		Instruments		Instruments		Instruments		Instruments
	Derivative instruments
	Prepaid expenses and other	$	11	$	—	$	—	$	29	$	—	$	—
	Other assets and deferred charges	—		139		577		31		223		327
	Derivative asset subtotals	$	11	$	139	$	577	$	60	$	223	$	327
	Accrued liabilities	$	—	$	—	$	1	$	—	$	—	$	4
	Deferred income taxes and other	—		—		1		—		—		91
	Derivative liability subtotals	$	—	$	—	$	2	$	—	$	—	$	95
	Nonderivative hedging instruments
	Long-term debt due within one year	$	—	$	1,015	$	—	$	—	$	818	$	—
	Long-term debt	—		5,025		—		—		6,145		—
	Nonderivative hedge liability subtotals	$	—	$	6,040	$	—	$	—	$	6,963	$	—

Share_Repurchases_Tables

Share Repurchases (Tables)	9 Months Ended
	Oct. 31, 2013
Share Repurchases [Abstract]	'
Schedule Of Company's Share Repurchases	'
	The number of shares repurchased, average price paid per share and cash paid for share repurchases for the nine months ended October 31, 2013 and 2012, were as follows:
		Nine Months Ended October 31,
	(Amounts in millions, except per share data)	2013		2012
	Total number of shares repurchased	77.9		70.9
	Average price paid per share	$	74.54	$	65.69
	Total cash paid for share repurchases	$	5,806	$	4,657

Common_Stock_Dividends_Tables

Common Stock Dividends (Tables)	9 Months Ended
	Oct. 31, 2013
Dividends, Common Stock [Abstract]	'
Common stock dividends, record date and payable date	'
	For fiscal 2014, the annual dividend will be paid in four quarterly installments of $0.47 per share, according to the following record and payable dates:
	Record Date	Payable Date
	March 12, 2013	April 1, 2013
	May 10, 2013	June 3, 2013
	August 9, 2013	September 3, 2013
	December 6, 2013	January 2, 2014

Segments_Tables

Segments (Tables)	9 Months Ended
	Oct. 31, 2013
Segment Reporting Information, Profit (Loss) [Abstract]	'
Segment net sales	'
	Net sales by segment are as follows:
		Three Months Ended October 31,						Nine Months Ended October 31,
	(Amounts in millions)	2013			2012			2013			2012
	Net sales:
	Walmart U.S.	$	67,692		$	66,113		$	202,973		$	199,789
	Walmart International	33,109			33,046			98,839			96,922
	Sam's Club	14,075			13,918			42,478			41,933
	Net sales	$	114,876		$	113,077		$	344,290		$	338,644
Segment operating income, interest expense, net, and income from continuing operations before income taxes	'
	Operating income by segment, as well as for corporate and support, and interest, net, are as follows:
		Three Months Ended October 31,						Nine Months Ended October 31,
	(Amounts in millions)	2013			2012			2013			2012
	Operating income (loss):
	Walmart U.S.	$	5,123		$	4,841		$	15,973		$	15,122
	Walmart International	1,457			1,432			4,144			4,201
	Sam's Club	474			434			1,550			1,458
	Corporate and support	(744		)	(614		)	(2,142		)	(1,636		)
	Operating income	6,310			6,093			19,525			19,145
	Interest, net	580			546			1,662			1,586
	Income from continuing operations before income taxes	$	5,730		$	5,547		$	17,863		$	17,559

Basis_Of_Presentation_Basis_of

Basis Of Presentation Basis of Presentation (Details) (USD $)	Oct. 31, 2013	Jan. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'	'
Financing Receivable, Net	$1,200,000,000	$1,200,000,000
Financing Receivable, Allowance for Credit Losses	$93,000,000	$115,000,000

Net_Income_Per_Common_Share_De

Net Income Per Common Share (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Net Income Per Common Share [Line Items]	'	'	'	'
Income from continuing operations	$3,870	$3,809	$12,007	$11,841
Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest	-143	-185	-443	-475
Income (Loss) from Continuing Operations Attributable to Parent	$3,727	$3,624	$11,564	$11,366
Weighted-average common shares outstanding, basic	3,257	3,364	3,279	3,385
Dilutive impact of stock options and other share-based awards	14	15	14	15
Weighted-average common shares outstanding, diluted	3,271	3,379	3,293	3,400
Basic income per common share from continuing operations attributable to Walmart	$1.14	$1.08	$3.53	$3.36
Diluted income per common share from continuing operations attributable to Walmart	$1.14	$1.07	$3.51	$3.34

Accumulated_Other_Comprehensiv2

Accumulated Other Comprehensive Income (Loss) (Details) (USD $)	9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Accumulated Other Comprehensive Income Loss [Line Items]	'	'
Balances - Beginning of Period	($587)	($562)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	-1,614	'
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax	18	'
Balances - End of Period	-2,183	-562
Currency Translation And Other [Member]	'	'
Accumulated Other Comprehensive Income Loss [Line Items]	'	'
Balances - Beginning of Period	47	'
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	-1,893	'
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax	0	'
Balances - End of Period	-1,846	'
Derivative Instruments [Member]	'	'
Accumulated Other Comprehensive Income Loss [Line Items]	'	'
Balances - Beginning of Period	129	'
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	168	'
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax	12	'
Balances - End of Period	309	'
Minimum Pension Liability [Member]	'	'
Accumulated Other Comprehensive Income Loss [Line Items]	'	'
Balances - Beginning of Period	-763	'
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	111	'
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax	6	'
Balances - End of Period	($646)	'

Longterm_Debt_Details

Long-term Debt (Details) (USD $)	9 Months Ended
	Oct. 31, 2013
Debt Instrument [Line Items]	'
Proceeds from Issuance of Debt	$6,700,000,000
Debt Instrument, Face Amount	6,750,000,000
Debt Instrument, Date of First Required Payment	11-Oct-13
Percentage of Principal Amount Redeemed	100.00%
0.600% Debt due April 11, 2016 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	11-Apr-13
Debt Instrument, Maturity Date	11-Apr-16
Debt Instrument, Interest Rate, Stated Percentage	0.60%
Debt Instrument, Face Amount	1,000,000,000
1.125% Debt due April 11, 2018 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	11-Apr-13
Debt Instrument, Maturity Date	11-Apr-18
Debt Instrument, Interest Rate, Stated Percentage	1.13%
Debt Instrument, Face Amount	1,250,000,000
2.550% Debt due April 11, 2023 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	11-Apr-13
Debt Instrument, Maturity Date	11-Apr-23
Early Redemption Date	11-Jan-23
Debt Instrument, Interest Rate, Stated Percentage	2.55%
Debt Instrument, Face Amount	1,750,000,000
4.000% Debt due April 11, 2043 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	11-Apr-13
Debt Instrument, Maturity Date	11-Apr-43
Early Redemption Date	11-Oct-42
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Debt Instrument, Face Amount	1,000,000,000
1.950% Debt due December 15, 2018 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	2-Oct-13
Debt Instrument, Maturity Date	15-Dec-18
Debt Instrument, Interest Rate, Stated Percentage	1.95%
Debt Instrument, Face Amount	1,000,000,000
1.950% Debt due December 15, 2018 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Date of First Required Payment	15-Jun-14
4.750% Debt due October 2, 2043 [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Issuance Date	2-Oct-13
Debt Instrument, Maturity Date	2-Oct-43
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Debt Instrument, Face Amount	750,000,000
4.750% Debt due October 2, 2043 [Member]	'
Debt Instrument [Line Items]	'
Early Redemption Date	2-Apr-43
Debt Instrument, Date of First Required Payment	2-Apr-14
April 11, 2013 Debt Issuance [Member]	'
Debt Instrument [Line Items]	'
Proceeds from Issuance of Debt	5,000,000,000
October 2, 2013 Debt Issuance [Member]	'
Debt Instrument [Line Items]	'
Proceeds from Issuance of Debt	1,700,000,000
Walmart International	'
Debt Instrument [Line Items]	'
Proceeds from Issuance of Debt	$400,000,000

Fair_Value_Measurements_Notion

Fair Value Measurements (Notional Amounts And Fair Values Of Interest Rate Swaps) (Details) (Recurring [Member], USD $)	Oct. 31, 2013	Jan. 31, 2013
In Millions, unless otherwise specified
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	$8,198	$13,695
Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	725	515
Fair Value Hedging [Member] | Floating-Rate Interest Rate Swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	1,000	3,445
Fair Value Hedging [Member] | Floating-Rate Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	11	60
Net Investment Hedging [Member] | Cross-Currency Interest Rate Swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	1,250	1,250
Net Investment Hedging [Member] | Cross-Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	139	223
Cash Flow Hedging [Member] | Cross-Currency Interest Rate Swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	2,971	2,944
Cash Flow Hedging [Member] | Cross-Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	400	230
Cash Flow Hedging [Member] | Fixed-Rate Interest Rate Swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	477	1,056
Cash Flow Hedging [Member] | Fixed-Rate Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	-2	-8
Cash Flow Hedging [Member] | Forward Starting Interest Rate Swap [Domain]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Notional Amount	2,500	5,000
Cash Flow Hedging [Member] | Forward Starting Interest Rate Swap [Domain] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Fair Value	$177	$10

Fair_Value_Measurements_Carryi

Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt) (Details) (USD $)	Oct. 31, 2013	Jan. 31, 2013
In Millions, unless otherwise specified
Carrying (Reported) Amount, Fair Value Disclosure [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Long-term debt, including amounts due within one year	$45,849	$43,981
Fair Value, Fair Value Disclosure [Member] | Fair Value, Inputs, Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Long-term debt, including amounts due within one year, Fair Value	$50,467	$50,664

Derivative_Financial_Instrumen2

Derivative Financial Instruments (Narrative) (Details)

9 Months Ended

9 Months Ended

9 Months Ended

Oct. 31, 2013

Jan. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Jan. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Oct. 31, 2013

Jan. 31, 2013

USD ($)

GBP (£)

Cash Flow Hedging [Member]

Fair Value Hedging [Member]

Net Investment Hedging [Member]

Net Investment Hedging [Member]

Net Investment Hedging [Member]

Net Investment Hedging [Member]

Net Investment Hedging [Member]

Cash Flow Hedging [Member]

Cash Flow Hedging [Member]

Cash Flow Hedging [Member]

Netting and Collateral [Member]

Netting and Collateral [Member]

USD ($)

United Kingdom and Japan [Member]

United Kingdom [Member]

JAPAN

JAPAN

Interest Rate Swap [Member]

Cross Currency Interest Rate Contract [Member]

USD ($)

USD ($)

GBP (£)

JPY (¥)

JPY (¥)

Derivative [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Derivative, Collateral, Obligation to Return Cash

'

'

'

'

'

'

'

'

'

'

'

'

$612,000,000

$413,000,000

Threshold of derivative liability position requiring cash collateral

150,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Investment maturity date range start

'

'

'

28-Feb-14

30-Oct-23

31-Aug-14

'

'

'

'

31-Aug-14

30-Sep-29

'

'

Investment maturity date range end

'

'

'

31-May-14

28-Feb-30

31-Jan-39

'

'

'

'

30-Jul-15

30-Mar-34

'

'

Debt designated as United Kingdom net investment hedge

'

2,500,000,000

'

'

'

'

2,500,000,000

'

'

'

'

'

'

'

Debt designated as Japanese net investment hedge

'

'

'

'

'

'

'

200,000,000,000

275,000,000,000

'

'

'

'

'

Forward Starting Interest Rate Swap Number of Years Hedging Minimum

'10

'

'

'

'

'

'

'

'

'

'

'

'

'

Forward Starting Interest Rate Swap Number of Years Hedging Maximum

'30

'

'

'

'

'

'

'

'

'

'

'

'

'

Forward Starting Interest Rate Swap Termination Date

'

'

'

'

'

'

'

'

'

31-Oct-14

'

'

'

'

Notional Amount

'

'

2,500,000,000

'

'

'

'

'

'

'

'

'

'

'

Cash payment for terminated derivatives

'

'

74,000,000

'

'

'

'

'

'

'

'

'

'

'

Deferred (Gain) Loss on Discontinuation of Cash Flow Hedge

'

'

$74,000,000

'

'

'

'

'

'

'

'

'

'

'

Derivative_Financial_Instrumen3

Derivative Financial Instruments (Balance Sheet Classification Of Financial Instruments) (Details) (USD $)	Oct. 31, 2013	Jan. 31, 2013
In Millions, unless otherwise specified
Fair Value Hedging [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	$11	$60
Derivative Liabilities	0	'
Fair Value Hedging [Member] | PrepaidExpensesandandOther [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	11	29
Fair Value Hedging [Member] | OtherAssetsandDeferredCharges [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	'	31
Net Investment Hedging [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	139	223
Nonderivative Hedging Instruments	6,040	6,963
Net Investment Hedging [Member] | OtherAssetsandDeferredCharges [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	139	223
Net Investment Hedging [Member] | LongTermDebtDueWithinOneYear(HedgedItem) [Member]	'	'
Derivative [Line Items]	'	'
Nonderivative Hedging Instruments	1,015	818
Net Investment Hedging [Member] | Long-term Debt [Member]	'	'
Derivative [Line Items]	'	'
Nonderivative Hedging Instruments	5,025	6,145
Cash Flow Hedging [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	577	327
Derivative Liabilities	2	95
Cash Flow Hedging [Member] | OtherAssetsandDeferredCharges [Member]	'	'
Derivative [Line Items]	'	'
Derivative Assets	577	327
Cash Flow Hedging [Member] | Accrued Liabilities [Member]	'	'
Derivative [Line Items]	'	'
Derivative Liabilities	1	4
Cash Flow Hedging [Member] | DeferredIncomeTaxesandOther [Member]	'	'
Derivative [Line Items]	'	'
Derivative Liabilities	$1	$91

Share_Repurchases_Narrative_De

Share Repurchases (Narrative) (Details) (USD $)	9 Months Ended		0 Months Ended
Share data in Millions, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Jun. 06, 2013	Jun. 06, 2013
			2011 Share Repurchase Program [Member]	2013 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]	'	'	'	'
Share Repurchase Program, Authorized Amount	'	'	$15,000,000,000	$15,000,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	'	'	712,000,000	'
Total Number of Shares Repurchased	77.9	70.9	'	'
Average Price Paid per Share	$74.54	$65.69	'	'
Total Share Repurchase	$5,806,000,000	$4,657,000,000	'	'

Share_Repurchases_Schedule_Of_

Share Repurchases (Schedule Of Company's Share Repurchases) (Details) (USD $)	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Equity, Class of Treasury Stock [Line Items]	'	'
Total Number of Shares Repurchased	77.9	70.9
Average Price Paid per Share	$74.54	$65.69
Total Share Repurchase	$5,806	$4,657

Common_Stock_Dividends_Narrati

Common Stock Dividends (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Jan. 31, 2012	Feb. 21, 2013
Dividends, Common Stock [Abstract]	'	'	'	'	'	'
Percent increase in dividend over prior year	'	'	18.00%	'	'	'
Common stock, quarterly dividends, per share, declared	'	'	'	'	'	$0.47
Annual dividend approved by Board of Directors	$0	$0	$1.88	$1.59	'	'
Common stock, dividends, per share, cash paid	'	'	'	'	$1.46	'

Contingencies_Details

Contingencies (Details) (USD $)	3 Months Ended	9 Months Ended	0 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2013	Nov. 14, 2007	Oct. 13, 2006	Oct. 31, 2013	Oct. 31, 2013	Oct. 31, 2013	Oct. 31, 2013
			Braun Hummel lawsuit	Braun Hummel lawsuit	Compliance Programs and Organizational Enhancements [Member]	Compliance Programs and Organizational Enhancements [Member]	Inquiry and Investigation Expense [Member]	Inquiry and Investigation Expense [Member]
Loss Contingencies [Line Items]	'	'	'	'	'	'	'	'
Loss contingency, loss in period	'	'	'	$78	'	'	'	'
Litigation settlement, gross	'	'	188	'	'	'	'	'
Rate of post-judgment interest accrual	'	'	6.00%	'	'	'	'	'
Foreign Corrupt Practices Act related expenses	$69	$224	'	'	$26	$89	$43	$135

Acquisitions_Disposals_and_Rel1

Acquisitions, Disposals, and Related Items Acquisitions, Disposals, and Related Items (Details) (USD $)	9 Months Ended
	Oct. 31, 2013
Agreed Upon Sales Price	$625,000,000
Redeemable Noncontrolling Interest, Change In Redemption Value	977,000,000
Redemption Value of Redeemable Noncontrolling Interest	1,400,000,000
Payments to Acquire Interest in Joint Venture	100,000,000
Indebtedness forgiven in connection with joint venture	$234,000,000
Walmart Chile Ownership Percentage [Member]	'
Sale of Stock, Percentage of Ownership after Transaction	99.70%
Public Ownership Percentage [Member]	'
Sale of Stock, Percentage of Ownership after Transaction	0.30%

Segment_Net_Sales_Details

Segment Net Sales (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Segment Reporting Information [Line Items]	'	'	'	'
Net sales	$114,876	$113,077	$344,290	$338,644
Walmart U.S.	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Net sales	67,692	66,113	202,973	199,789
Walmart International	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Net sales	33,109	33,046	98,839	96,922
Sam's Club	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Net sales	$14,075	$13,918	$42,478	$41,933

Segment_Operating_Income_Incom

Segment Operating Income, Income Expense, Net And Income From Continuing Operations Before Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Segment Reporting Information [Line Items]	'	'	'	'
Operating income	$6,310	$6,093	$19,525	$19,145
Interest, net	580	546	1,662	1,586
Income from continuing operations before income taxes	5,730	5,547	17,863	17,559
Walmart U.S.	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Operating income	5,123	4,841	15,973	15,122
Walmart International	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Operating income	1,457	1,432	4,144	4,201
Sam's Club	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Operating income	474	434	1,550	1,458
Corporate and support	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Operating income	($744)	($614)	($2,142)	($1,636)