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Stockholders' Equity (Stock Repurchased During Period) (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
12 Months Ended 29 Months Ended
Sep. 01, 2013
Sep. 02, 2012
Aug. 28, 2011
Sep. 01, 2013
Stockholders' Equity Note [Abstract]        
Shares Repurchased (000's) 357 7,272 8,939  
Average Price per Share $ 96.41 $ 84.75 $ 71.74  
Total Cost $ 34 $ 617 $ 641 $ 945