Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Nov. 20, 2022	Nov. 21, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME INCLUDING NONCONTROLLING INTERESTS	$ 1,364	$ 1,345
Foreign-currency translation adjustment and other, net	(96)	(72)
Comprehensive income	1,268	1,273
Less: Comprehensive income attributable to noncontrolling interests	0	23
COMPREHENSIVE INCOME ATTRIBUTABLE TO COSTCO	$ 1,268	$ 1,250