Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 1,896	$ 2,103
Consolidated net income attributable to noncontrolling interest	(223)	(49)
Consolidated net income attributable to Walmart	1,673	2,054
Other comprehensive income (loss), net of income taxes
Currency translation and other	809	232
Net investment hedges	0	0
Cash flow hedges	(69)	42
Minimum pension liability	2	1
Other comprehensive income (loss), net of income taxes	742	275
Other comprehensive (income) loss attributable to noncontrolling interest	(209)	(7)
Other comprehensive income (loss) attributable to Walmart	533	268
Comprehensive income, net of income taxes	2,638	2,378
Comprehensive income attributable to noncontrolling interest	(432)	(56)
Comprehensive income attributable to Walmart	$ 2,206	$ 2,322