Equity And Comprehensive Income (Tables)

6 Months Ended

Feb. 12, 2012

Equity And Comprehensive Income [Abstract]

Stock Repurchased During The Period

	Shares Repurchased (000's)		Average Price per  Share		Total Cost
Second quarter of 2012		1,759	$	82.20	$	145
First half of 2012		3,881		81.84		318
Second quarter of 2011		1,315	$	71.75	$	95
First half of 2011		3,751		65.23		245

Components Of Equity And Comprehensive Income

	Attributable to Costco			Noncontrolling Interests			Total Equity
Equity at August 28, 2011	$	12,002		$	571		$	12,573
Comprehensive income:
Unrealized gain/(loss) on short-term investments, net of $1 tax		(1	)		0			(1	)
Foreign-currency translation adjustment and other		(66	)		(10	)		(76	)
Net income		714			26			740
Total comprehensive income		647			16			663
Stock-based compensation		134			0			134
Stock options exercised including tax effects		49			0			49
Release of vested restricted stock units (RSUs) including tax effects		(74	)		0			(74	)
Conversion of convertible notes		1			0			1
Repurchases of common stock		(318	)		0			(318	)
Cash dividends		(209	)		0			(209	)
Equity at February 12, 2012	$	12,232		$	587		$	12,819
	Attributable to Costco			Noncontrolling Interests			Total Equity
Equity at August 29, 2010	$	10,829		$	101		$	10,930
Initial consolidation of noncontroling interest in Costco Mexico		0			357			357
Comprehensive income:
Unrealized gain/(loss) on short-term investments, net of $2 tax		(3	)		0			(3	)
Foreign-currency translation adjustment and other		221			42			263
Net income		660			41			701
Total comprehensive income		878			83			961
Stock-based compensation		109			0			109
Stock options exercised including tax effects		236			0			236
Release of vested RSUs including tax effects		(45	)		0			(45	)
Repurchases of common stock		(245	)		0			(245	)
Cash dividends		(179	)		0			(179	)
Equity at February 13, 2011	$	11,583		$	541		$	12,124

Components Of Total Comprehensive Income

	12 Weeks Ended
	February 12, 2012			February 13, 2011
Net income including noncontrolling interests	$	412		$	369
Unrealized gain/(loss) on short-term investments, net of $0 and $2 tax		0			(4	)
Foreign currency translation adjustment and other		132			86
Comprehensive income		544			451
Comprehensive (income) attributable to noncontrolling interests		(49	)		(33	)
Comprehensive income attributable to Costco	$	495		$	418