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Debt - Extinguishment of Debt (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 0 Months Ended 3 Months Ended
Feb. 28, 2013
Dec. 02, 2010
Aug. 29, 2013
Aug. 30, 2012
Sep. 01, 2011
Feb. 13, 2013
2014 convertible senior notes [Member]
Feb. 12, 2013
2014 convertible senior notes [Member]
Dec. 02, 2010
2014 convertible senior notes [Member]
Exchanged [Member]
Dec. 02, 2010
2014 convertible senior notes [Member]
Repurchased [Member]
Dec. 02, 2010
2013 convertible senior notes [Member]
Repurchased [Member]
Extinguishment of Debt [Line Items]                    
Extinquishment of Debt, Amount           $ 464   $ 175 $ 176 $ 91
Repayments of convertible debt           477     171 166
Long-term Debt, Gross     6,037 3,262     431      
Debt Instrument, Unamortized Discount             33      
Additional paid in capital equity component of convertible debt             15      
Gain (Loss) on extinguishment of debt (31) (111) (31) 0 (113) (31)   (15) (17) (79)
Fair Value of the Debt Component of Convertible Debt Instrument             $ 462