Stock-Based Compensation Plans - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Feb. 16, 2020 |
Feb. 17, 2019 |
Feb. 16, 2020 |
Feb. 17, 2019 |
|
| Document Period End Date | Feb. 16, 2020 | |||
| Stock-based compensation expense before income taxes | $ 118 | $ 119 | $ 419 | $ 389 |
| Less recognized income tax benefit | (21) | (23) | (87) | (84) |
| Stock-based compensation expense, net of income taxes | $ 97 | $ 96 | $ 332 | $ 305 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 1 year 8 months 12 days | |||