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Employee Benefit Plans - (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 29, 2019
Aug. 30, 2018
Aug. 31, 2017
Employee Savings Plan for U.S. Employees      
Maximum annual contributions per employee (in hundredths) 75.00%    
Maximum employer matching contribution, percent of employees' eligible earnings (in hundredths) 5.00%    
Defined contribution plan contribution expense $ 67 $ 61 $ 52
Retirement Plans      
Projected pension benefit obligation 206 190  
Pension plan assets $ 195 $ 171