Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Consolidated net income	$ 3,104	$ 3,889	$ 6,256	$ 7,105
Less 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
Other comprehensive income (loss), net of income taxes
Currency translation and other	1,026	(950)	2,185	(329)
Unrealized gain on available-for-sale securities	727	0	1,208	0
Minimum pension liability	27	(7)	32	(106)
Other comprehensive income (loss), net of income taxes	1,859	(756)	3,419	(169)
Less other comprehensive income (loss) attributable to nonredeemable noncontrolling interest	(5)	79	(287)	94
Other comprehensive income (loss) attributable to Walmart	1,854	(677)	3,132	(75)
Comprehensive income, net of income taxes	4,963	3,133	9,675	6,936
Less comprehensive income (loss) attributable to noncontrolling interest	(210)	(37)	(605)	(159)
Comprehensive income attributable to Walmart	4,753	3,096	9,070	6,777
Net investment hedging
Other comprehensive income (loss), net of income taxes
Derivative instruments	(36)	288	(149)	210
Cash flow hedging
Other comprehensive income (loss), net of income taxes
Derivative instruments	$ 115	$ (87)	$ 143	$ 56