Fair Value Measurements - Fair and Carrying Value of Debt (Details) - USD ($) $ in Millions	Feb. 27, 2020	Aug. 29, 2019
Debt Instrument, Fair Value Disclosure [Abstract]
Carrying Value of Debt	$ 5,425	$ 5,851
Fair Value | Notes and MMJ Creditor Payments
Debt Instrument, Fair Value Disclosure [Abstract]
Fair Value of Notes and MMJ Creditor Payments (level 2)	5,190	5,194
Fair Value | Convertible Notes
Debt Instrument, Fair Value Disclosure [Abstract]
Fair Value of Convertible notes (level 2)	776	852
Carrying Value | Notes and MMJ Creditor Payments
Debt Instrument, Fair Value Disclosure [Abstract]
Carrying Value of Debt	4,781	4,937
Carrying Value | Convertible Notes
Debt Instrument, Fair Value Disclosure [Abstract]
Carrying Value of Debt	$ 148	$ 323