Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Revenues:
Net sales	$ 555,233	$ 519,926	$ 510,329
Membership and other income	3,918	4,038	4,076
Total revenues	559,151	523,964	514,405
Costs and expenses:
Cost of sales	420,315	394,605	385,301
Operating, selling, general and administrative expenses	116,288	108,791	107,147
Operating income	22,548	20,568	21,957
Interest:
Debt	1,976	2,262	1,975
Finance, capital lease and financing obligations	339	337	371
Interest income	(121)	(189)	(217)
Interest, net	2,194	2,410	2,129
Other (gains) and losses	(210)	(1,958)	8,368
Income before income taxes	20,564	20,116	11,460
Provision for income taxes	6,858	4,915	4,281
Consolidated net income	13,706	15,201	7,179
Consolidated net income attributable to noncontrolling interest	(196)	(320)	(509)
Consolidated net income attributable to Walmart	$ 13,510	$ 14,881	$ 6,670
Net income per common share:
Basic net income per common share attributable to Walmart (in USD per share)	$ 4.77	$ 5.22	$ 2.28
Diluted net income per common share attributable to Walmart (in USD per share)	$ 4.75	$ 5.19	$ 2.26
Weighted-average common shares outstanding:
Basic (in shares)	2,831	2,850	2,929
Diluted (in shares)	2,847	2,868	2,945
Dividends declared per common share (in USD per share)	$ 2.16	$ 2.12	$ 2.08