Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Consolidated net income	$ 7,179	$ 10,523	$ 14,293
Consolidated net income attributable to noncontrolling interest	(509)	(661)	(650)
Consolidated net income attributable to Walmart	6,670	9,862	13,643
Other comprehensive income (loss), net of income taxes
Currency translation and other	(226)	2,540	(3,027)
Minimum pension liability	131	147	(397)
Unrealized gain on available-for-sale securities	0	1,501	145
Other comprehensive income (loss), net of income taxes	(113)	4,220	(2,845)
Less other comprehensive income (loss) attributable to noncontrolling interest	188	(169)	210
Other comprehensive income (loss) attributable to Walmart	75	4,051	(2,635)
Comprehensive income, net of income taxes	7,066	14,743	11,448
Comprehensive (income) loss attributable to noncontrolling interest	(321)	(830)	(440)
Comprehensive income attributable to Walmart	6,745	13,913	11,008
Net investment hedging
Other comprehensive income (loss), net of income taxes
Derivative instruments	272	(405)	413
Cash flow hedging
Other comprehensive income (loss), net of income taxes
Derivative instruments	$ (290)	$ 437	$ 21