Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Revenues:
Net sales	$ 129,388	$ 127,059	$ 252,337	$ 248,689
Membership and other income	989	969	1,965	2,029
Total revenues	130,377	128,028	254,302	250,718
Costs and expenses:
Cost of sales	97,923	95,571	190,957	187,278
Operating, selling, general and administrative expenses	26,871	26,707	52,817	52,536
Operating income	5,583	5,750	10,528	10,904
Interest:
Debt	558	460	1,146	897
Finance, capital lease and financing obligations	83	94	168	187
Interest income	(56)	(51)	(104)	(94)
Interest, net	585	503	1,210	990
Other (gains) and losses	85	4,849	(752)	6,694
Income before income taxes	4,913	398	10,070	3,220
Provision for income taxes	1,233	1,125	2,484	1,671
Consolidated net income (loss)	3,680	(727)	7,586	1,549
Consolidated net income attributable to noncontrolling interest	(70)	(134)	(134)	(276)
Consolidated net income (loss) attributable to Walmart	$ 3,610	$ (861)	$ 7,452	$ 1,273
Basic net income (loss) per common share:
Basic net income (loss) per common share attributable to Walmart (in dollars per share)	$ 1.27	$ (0.29)	$ 2.60	$ 0.43
Diluted net income (loss) per common share:
Diluted net income (loss) per common share attributable to Walmart (in dollars per share)	$ 1.26	$ (0.29)	$ 2.59	$ 0.43
Weighted-average common shares outstanding:
Basic (shares)	2,853	2,946	2,861	2,948
Diluted (shares)	2,869	2,946	2,878	2,963
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 2.12	$ 2.08