Debt Debt - Extinguishment of Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			0 Months Ended
	May 30, 2013	May 31, 2012	May 30, 2013	May 31, 2012	Aug. 30, 2012	Feb. 13, 2013 Convertible Senior Notes Due 2014 [Member]	May 30, 2013 Convertible Senior Notes Due 2014 [Member]	Feb. 12, 2013 Convertible Senior Notes Due 2014 [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount						$ 464
Stated interest rate (in hundredths)							1.875%
Repayments of Long-term Debt			664	152		477
Long-term Debt, Gross	3,624		3,624		3,262			431
Unamortized Discounts								33
Debt Instrument, Convertible, Carrying Amount of Equity Component								15
Gain (loss) from extinguishment of debt	0	0	(31)	0		(31)
Fair Value of the Debt Component of Convertible Debt Instrument								$ 462