Segments (Tables)

12 Months Ended

Jan. 31, 2013

Segment Reporting Information, Profit (Loss) [Abstract]

Segment Operating Income, Interest Expense, Net And Income From Continuing Operations Before Income Taxes

Information for the Company's segments, as well as the reconciliation to income from continuing operations before income taxes, is in the following table:

			Walmart				Other
(Amounts in millions)	Walmart U.S.		International		Sam's Club		Unallocated			Consolidated
Fiscal Year Ended January 31, 2013
Net sales	$	274,490	$	135,201	$	56,423	$	—		$	466,114
Operating income (loss)	21,500		6,694		1,963		(2,356		)	27,801
Interest expense, net										(2,064		)
Income from continuing operations before income taxes										$	25,737
Total assets	$	96,234	$	85,695	$	13,479	$	7,697		$	203,105
Depreciation and amortization	4,586		2,628		617		670			8,501
Capital expenditures	5,994		4,640		868		1,396			12,898
Fiscal Year Ended January 31, 2012
Net sales	$	264,186	$	125,873	$	53,795	$	—		$	443,854
Operating income (loss)	20,391		6,182		1,848		(1,863		)	26,558
Interest expense, net										(2,160		)
Income from continuing operations before income taxes										$	24,398
Total assets	$	93,143	$	81,289	$	12,824	$	6,150		$	193,406
Depreciation and amortization	4,557		2,438		595		540			8,130
Capital expenditures	6,226		5,274		823		1,187			13,510
Fiscal Year Ended January 31, 2011
Net sales	$	260,261	$	109,232	$	49,459	$	—		$	418,952
Operating income (loss)	19,941		5,575		1,695		(1,669		)	25,542
Interest expense, net										(2,004		)
Income from continuing operations before income taxes										$	23,538
Total assets	$	90,166	$	71,172	$	12,536	$	6,908		$	180,782
Depreciation and amortization	4,605		2,195		601		240			7,641
Capital expenditures	7,328		3,994		711		666			12,699

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Total revenues, consisting of net sales and membership and other income, and long-lived assets, consisting primarily of property and equipment, net, aggregated by the Company's U.S. and non-U.S. operations for fiscal 2013, 2012 and 2011, are as follows:

	Fiscal Years Ended January 31,
(Amounts in millions)	2013		2012		2011
Total revenues
U.S. operations	$	332,844	$	319,800	$	311,591
Non-U.S. operations	136,318		127,150		110,258
Total revenues	$	469,162	$	446,950	$	421,849
Long-lived assets
U.S. operations	$	77,692	$	75,881	$	73,592
Non-U.S. operations	38,989		36,443		34,286
Total long-lived assets	$	116,681	$	112,324	$	107,878