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Leases - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 01, 2019
Sep. 02, 2018
Sep. 03, 2017
Leases [Abstract]      
Aggregate rental expense $ 268 $ 265 $ 258
Gross assets under capital and build to suit leases 457 427  
Accumulated amortization 106 $ 94  
Sub-lease income $ 105