Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Revenues:
Net sales	$ 121,949	$ 119,405	$ 238,475	$ 234,391
Membership and other income	1,406	1,449	2,422	2,367
Total revenues	123,355	120,854	240,897	236,758
Costs and expenses:
Cost of sales	91,521	89,485	179,209	176,029
Operating, selling, general and administrative expenses	25,865	25,204	50,482	49,289
Operating income	5,969	6,165	11,206	11,440
Interest:
Debt	522	509	1,028	1,008
Capital lease and financing obligations	91	79	183	165
Interest income	(38)	(22)	(73)	(46)
Interest, net	575	566	1,138	1,127
Loss on Extinguishment of Debt	788	0	788	0
Income before income taxes	4,606	5,599	9,280	10,313
Provision for income taxes	1,502	1,710	3,024	3,208
Consolidated net income	3,104	3,889	6,256	7,105
Consolidated net income attributable to noncontrolling interest	(205)	(116)	(318)	(253)
Consolidated net income attributable to Walmart	$ 2,899	$ 3,773	$ 5,938	$ 6,852
Basic net income per common share:
Basic net income per common share attributable to Walmart	$ 0.96	$ 1.21	$ 1.97	$ 2.19
Diluted net income per common share:
Diluted net income per common share attributable to Walmart	$ 0.96	$ 1.21	$ 1.96	$ 2.18
Weighted-average common shares outstanding:
Basic	3,008	3,109	3,021	3,126
Diluted	3,021	3,119	3,034	3,136
Dividends declared per common share	$ 0.00	$ 0.00	$ 2.04	$ 2.00