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Derivative Financial Instruments - Hedging Relationship (Details) (USD $)
In Millions
12 Months Ended
Sep. 01, 2011
Sep. 02, 2010
Other Operating (Income) Expense [Member] | Nondesignated [Member]
  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative Instruments, Gain (Loss) Recognized in Income$ 21$ 29
Other Comprehensive Income [Member] | Cash Flow Hedging [Member]
  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative Instruments, Gain Recognized in Other Comprehensive Income, Effective Portion$ 49