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Equity - Capped Calls (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Sep. 03, 2020 | Aug. 30, 2018
Option Indexed to Issuer's Equity [Line Items] |  |
Value of shares received upon settlement of capped calls | $ 0 | $ 0
Treasury Stock |  |
Option Indexed to Issuer's Equity [Line Items] |  |
Value of shares received upon settlement of capped calls | $ 98 | $ 429
Call Option | Purchased options |  |
Option Indexed to Issuer's Equity [Line Items] |  |
Treasury shares received from capped call settlement | 1.7 | 9.2
Call Option | Purchased options | Treasury Stock |  |
Option Indexed to Issuer's Equity [Line Items] |  |
Value of shares received upon settlement of capped calls | $ 98 | $ 429

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