Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Feb. 14, 2021	Feb. 16, 2020	Feb. 14, 2021	Feb. 16, 2020
REVENUE
Total Revenue	$ 44,769	$ 39,072	$ 87,977	$ 76,112
OPERATING EXPENSES
Merchandise costs	39,078	34,056	76,536	66,289
Selling, general and administrative	4,342	3,743	8,640	7,475
Preopening expenses	9	7	31	21
Operating income	1,340	1,266	2,770	2,327
OTHER INCOME (EXPENSE)
Interest expense	(40)	(34)	(79)	(72)
Interest income and other, net	19	45	48	80
INCOME BEFORE INCOME TAXES	1,319	1,277	2,739	2,335
Provision for income taxes	348	330	587	532
Net income including noncontrolling interests	971	947	2,152	1,803
Net income attributable to noncontrolling interests	(20)	(16)	(35)	(28)
NET INCOME ATTRIBUTABLE TO COSTCO	$ 951	$ 931	$ 2,117	$ 1,775
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic (in dollars per share)	$ 2.15	$ 2.10	$ 4.78	$ 4.02
Diluted (in dollars per share)	$ 2.14	$ 2.10	$ 4.76	$ 4.00
Shares used in calculation (000's)
Basic (shares)	443,134	442,021	443,043	441,920
Diluted (shares)	444,494	443,727	444,440	443,704
Net Sales
REVENUE
Total Revenue	$ 43,888	$ 38,256	$ 86,235	$ 74,492
Membership fees
REVENUE
Total Revenue	$ 881	$ 816	$ 1,742	$ 1,620