Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Nov. 26, 2017	Nov. 20, 2016
REVENUE
Net sales	$ 31,117	$ 27,469
Membership fees	692	630
Total revenue	31,809	28,099
OPERATING EXPENSES
Merchandise costs	27,617	24,288
Selling, general and administrative	3,224	2,940
Preopening expenses	17	22
Operating income	951	849
OTHER INCOME (EXPENSE)
Interest expense	(37)	(29)
Interest income and other, net	22	26
INCOME BEFORE INCOME TAXES	936	846
Provision for income taxes	285	291
Net income including noncontrolling interests	651	555
Net income attributable to noncontrolling interests	(11)	(10)
NET INCOME ATTRIBUTABLE TO COSTCO	$ 640	$ 545
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic (in dollars per share)	$ 1.46	$ 1.24
Diluted (in dollars per share)	$ 1.45	$ 1.24
Shares used in calculation (000's)
Basic (shares)	437,965	438,007
Diluted (shares)	440,851	440,525
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.5	$ 0.45