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Employee Benefit Plans - (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 02, 2021
Sep. 03, 2020
Aug. 29, 2019
Retirement Benefits [Abstract]      
Maximum annual contributions per employee (in hundredths) 75.00%    
Employer matching contribution, percent of employees' eligible earnings (in hundredths) 5.00%    
Defined contribution plan contribution expense $ 77 $ 66 $ 67
Retirement Plans      
Projected pension benefit obligation 222 202  
Pension plan assets $ 256 $ 222