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Leases - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 03, 2017
Aug. 28, 2016
Aug. 30, 2015
Leases [Abstract]      
Aggregate rental expense $ 258 $ 250 $ 252
Gross assets under capital and build to suit leases 404 392  
Accumulated amortization 78 $ 63  
Sub-lease income $ 112