Condensed Consolidated Statements Of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 11, 2014	May 12, 2013	May 11, 2014	May 12, 2013
REVENUE
Net sales	$ 25,233	$ 23,552	$ 75,457	$ 71,099
Membership fees	561	531	1,660	1,570
Total revenue	25,794	24,083	77,117	72,669
OPERATING EXPENSES
Merchandise costs	22,554	21,038	67,421	63,530
Selling, general and administrative	2,487	2,313	7,519	7,006
Preopening expenses	16	10	48	34
Operating income	737	722	2,129	2,099
OTHER INCOME (EXPENSE)
Interest expense	(25)	(25)	(78)	(63)
Interest income and other, net	12	15	60	61
INCOME BEFORE INCOME TAXES	724	712	2,111	2,097
Provision for income taxes	245	248	728	658
Net income including noncontrolling interests	479	464	1,383	1,439
Net income attributable to noncontrolling interests	(6)	(5)	(22)	(17)
NET INCOME ATTRIBUTABLE TO COSTCO	$ 473	$ 459	$ 1,361	$ 1,422
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic (in dollars per share)	$ 1.08	$ 1.05	$ 3.10	$ 3.27
Diluted (in dollars per share)	$ 1.07	$ 1.04	$ 3.07	$ 3.23
Shares used in calculation (000's)
Basic (shares)	439,446	436,488	439,058	435,293
Diluted (shares)	442,720	440,780	442,651	439,738
Common Stock, Dividends, Per Share, Declared	$ 0.355	$ 0.31	$ 0.975	$ 7.86