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Fair Value Measurements - Fair and Carrying Value (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 28, 2019
Aug. 30, 2018
Fair value disclosure [Line Items]    
Carrying Value of Debt $ 6,238 $ 4,636
Unrealized loss on assets held for sale (level 3) 46  
Fair Value | Level 2 | Notes and MMJ Creditor Payments    
Fair value disclosure [Line Items]    
Fair Value of Notes and MMJ Creditor Payments 4,291 2,798
Fair Value | Level 2 | Convertible notes    
Fair value disclosure [Line Items]    
Fair Value of Convertible notes 2,232 3,124
Carrying Value | Notes and MMJ Creditor Payments    
Fair value disclosure [Line Items]    
Carrying Value of Debt 4,219 2,741
Carrying Value | Convertible notes    
Fair value disclosure [Line Items]    
Carrying Value of Debt $ 1,303 $ 1,049