Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Aug. 28, 2022	Aug. 29, 2021	Aug. 30, 2020
Statement of Comprehensive Income [Abstract]
NET INCOME INCLUDING NONCONTROLLING INTERESTS	$ 5,915	$ 5,079	$ 4,059
Foreign-currency translation adjustment and other, net	(721)	181	162
Comprehensive income	5,194	5,260	4,221
Less: Comprehensive income attributable to noncontrolling interests	36	93	80
COMPREHENSIVE INCOME ATTRIBUTABLE TO COSTCO	$ 5,158	$ 5,167	$ 4,141