Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenues:
Net sales	$ 133,752	$ 126,981	$ 404,248	$ 379,318
Membership and other income	956	1,010	2,824	2,975
Total revenues	134,708	127,991	407,072	382,293
Costs and expenses:
Cost of sales	100,339	95,900	305,054	286,857
Operating, selling, general and administrative expenses	28,591	27,373	84,957	80,190
Operating income	5,778	4,718	17,061	15,246
Interest:
Debt	455	547	1,542	1,693
Finance lease	86	86	249	254
Interest income	(25)	(44)	(91)	(148)
Interest, net	516	589	1,700	1,799
Other (gains) and losses	(1,853)	(244)	(5,796)	(996)
Income before income taxes	7,115	4,373	21,157	14,443
Provision for income taxes	1,914	1,052	5,443	3,536
Consolidated net income	5,201	3,321	15,714	10,907
Consolidated net income attributable to noncontrolling interest	(66)	(33)	(113)	(167)
Consolidated net income attributable to Walmart	$ 5,135	$ 3,288	$ 15,601	$ 10,740
Net income per common share:
Basic net income per common share attributable to Walmart (in dollars per share)	$ 1.81	$ 1.16	$ 5.51	$ 3.76
Diluted net income per common share attributable to Walmart (in dollars per share)	$ 1.80	$ 1.15	$ 5.48	$ 3.74
Weighted-average common shares outstanding:
Basic (shares)	2,833	2,843	2,832	2,855
Diluted (shares)	2,849	2,861	2,849	2,872
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 2.16	$ 2.12