Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	May 08, 2022	May 09, 2021	May 08, 2022	May 09, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME INCLUDING NONCONTROLLING INTERESTS	$ 1,372	$ 1,233	$ 4,037	$ 3,385
Foreign-currency translation adjustment and other, net	(388)	54	(495)	411
Comprehensive income	984	1,287	3,542	3,796
Less: Comprehensive income attributable to noncontrolling interests	(13)	15	31	71
COMPREHENSIVE INCOME ATTRIBUTABLE TO COSTCO	$ 997	$ 1,272	$ 3,511	$ 3,725