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Employee Benefit Plans - (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 03, 2020 | Aug. 29, 2019 | Aug. 30, 2018
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 | $ 66 | $ 67 | $ 61
Retirement Plans |  |  |
Projected pension benefit obligation | 202 | 206 |
Pension plan assets | $ 222 | $ 195 |

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