Condensed Consolidated Statements Of Income (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended				6 Months Ended
	Jul. 31, 2011		Jul. 31, 2010		Jul. 31, 2011		Jul. 31, 2010
Revenues:
Net sales	$ 108,638		$ 103,016		$ 212,053		$ 202,113
Membership and other income	728		710		1,502		1,424
Total revenues	109,366		103,726		213,555		203,537
Costs and expenses:
Cost of sales	81,770		77,438		159,947		152,056
Operating, selling, general and administrative expenses	21,213		20,098		41,329		39,554
Operating income	6,383		6,190		12,279		11,927
Interest:
Debt	525		477		1,016		932
Capital leases	75		65		146		132
Interest income	(22)		(57)		(66)		(108)
Interest, net	578		485		1,096		956
Income from continuing operations before income taxes	5,805		5,705		11,183		10,971
Provision for income taxes	1,868		1,958		3,668		3,780
Income from continuing operations	3,937		3,747		7,515		7,191
Loss from discontinued operations, net of tax					(28)
Consolidated net income	3,937	[1]	3,747	[1]	7,487	[2]	7,191	[2]
Less consolidated net income attributable to noncontrolling interest	(136)	[1]	(151)	[1]	(287)	[2]	(294)	[2]
Consolidated net income attributable to Walmart	$ 3,801		$ 3,596		$ 7,200		$ 6,897
Basic net income per common share:
Basic income per common share from continuing operations attributable to Walmart	$ 1.09		$ 0.97		$ 2.07		$ 1.85
Basic income per common share from discontinued operations attributable to Walmart
Basic net income per common share attributable to Walmart	$ 1.09		$ 0.97		$ 2.07		$ 1.85
Diluted net income per common share:
Diluted income per common share from continuing operations attributable to Walmart	$ 1.09		$ 0.97		$ 2.06		$ 1.84
Diluted income per common share from discontinued operations attributable to Walmart
Diluted net income per common share attributable to Walmart	$ 1.09		$ 0.97		$ 2.06		$ 1.84
Weighted-average number of common shares:
Basic	3,472		3,696		3,486		3,730
Diluted	3,485		3,707		3,501		3,744
Dividends declared per common share					$ 1.46		$ 1.21

[1] Includes $12 million and $5 million for the three months ended July 31, 2011 and 2010, respectively, related to the redeemable noncontrolling interest.

[2] Includes $29 million and $2 million for the six months ended July 31, 2011 and 2010, respectively, related to the redeemable noncontrolling interest.