Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 12, 2023	Feb. 13, 2022	Feb. 12, 2023	Feb. 13, 2022
Statement of Comprehensive Income [Abstract]
NET INCOME INCLUDING NONCONTROLLING INTERESTS	$ 1,466	$ 1,320	$ 2,830	$ 2,665
Foreign-currency translation adjustment and other, net	253	(35)	157	(107)
Comprehensive income	1,719	1,285	2,987	2,558
Less: Comprehensive income attributable to noncontrolling interests	0	21	0	44
COMPREHENSIVE INCOME ATTRIBUTABLE TO COSTCO	$ 1,719	$ 1,264	$ 2,987	$ 2,514