Condensed Consolidated Statements Of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Revenues:
Net sales	$ 114,167	$ 113,313
Membership and other income	793	757
Total revenues	114,960	114,070
Costs and expenses:
Cost of sales	86,714	85,991
Operating, selling, general and administrative expenses	22,053	21,641
Operating income	6,193	6,438
Interest:
Debt	531	507
Capital leases	61	66
Interest income	(24)	(43)
Interest, net	568	530
Income from continuing operations before income taxes	5,625	5,908
Provision for income taxes	1,914	1,976
Income from continuing operations	3,711	3,932
Income from discontinued operations, net of income taxes	15	13
Consolidated net income	3,726	3,945
Less consolidated net income attributable to noncontrolling interest	(133)	(161)
Consolidated net income attributable to Walmart	$ 3,593	$ 3,784
Basic net income per common share:
Basic income per common share from continuing operations attributable to Walmart	$ 1.10	$ 1.14
Basic income per common share from discontinued operations attributable to Walmart	$ 0.01	$ 0.01
Basic net income per common share attributable to Walmart	$ 1.11	$ 1.15
Diluted net income per common share:
Diluted income per common share from continuing operations attributable to Walmart	$ 1.10	$ 1.14
Diluted income per common share from discontinued operations attributable to Walmart	$ 0.01	$ 0.00
Diluted net income per common share attributable to Walmart	$ 1.11	$ 1.14
Weighted-average common shares outstanding:
Basic	3,233	3,301
Diluted	3,248	3,318
Dividends declared per common share	$ 1.92	$ 1.88