Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Feb. 14, 2016	Feb. 15, 2015	Feb. 14, 2016	Feb. 15, 2015
REVENUE
Net sales	$ 27,567	$ 26,872	$ 54,194	$ 53,156
Membership fees	603	582	1,196	1,164
Total revenue	28,170	27,454	55,390	54,320
OPERATING EXPENSES
Merchandise costs	24,469	23,897	48,090	47,282
Selling, general and administrative	2,835	2,671	5,641	5,367
Preopening expenses	10	9	36	24
Operating income	856	877	1,623	1,647
OTHER INCOME (EXPENSE)
Interest expense	(31)	(27)	(64)	(53)
Interest income and other, net	16	20	44	55
INCOME BEFORE INCOME TAXES	841	870	1,603	1,649
Provision for income taxes	286	263	561	537
Net income including noncontrolling interests	555	607	1,042	1,112
Net income attributable to noncontrolling interests	(9)	(9)	(16)	(18)
NET INCOME ATTRIBUTABLE TO COSTCO	$ 546	$ 598	$ 1,026	$ 1,094
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic (in dollars per share)	$ 1.24	$ 1.36	$ 2.34	$ 2.49
Diluted (in dollars per share)	$ 1.24	$ 1.35	$ 2.32	$ 2.47
Shares used in calculation (000's)
Basic (shares)	439,648	440,384	438,990	439,567
Diluted (shares)	441,559	442,896	441,457	442,522
Cash dividends declared per common share	$ 0.40	$ 5.355	$ 0.80	$ 5.71