Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Consolidated net income	$ 3,635	$ 4,359	$ 6,918	$ 8,085
Less consolidated net income attributable to nonredeemable noncontrolling interest	(160)	(266)	(102)	(399)
Consolidated net income attributable to Walmart	3,475	4,093	6,816	7,686
Other comprehensive income (loss), net of income taxes
Currency translation and other	437	795	(1,247)	1,080
Minimum pension liability	4	2	74	6
Other comprehensive income (loss), net of income taxes	285	772	(1,273)	1,014
Less other comprehensive income (loss) attributable to nonredeemable noncontrolling interest	(78)	(17)	53	25
Other comprehensive income (loss) attributable to Walmart	207	755	(1,220)	1,039
Comprehensive income, net of income taxes	3,920	5,131	5,645	9,099
Less comprehensive income (loss) attributable to nonredeemable noncontrolling interest	(238)	(283)	(49)	(374)
Comprehensive income attributable to Walmart	3,682	4,848	5,596	8,725
Net Investment Hedging [Member]
Other comprehensive income (loss), net of income taxes
Derivative instruments	(17)	(17)	(81)	(68)
Cash Flow Hedging [Member]
Other comprehensive income (loss), net of income taxes
Derivative instruments	$ (139)	$ (8)	$ (19)	$ (4)