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Debt - Debt Activity (Details) - USD ($)
$ in Millions
2 Months Ended 3 Months Ended
Oct. 31, 2019
Oct. 30, 2019
Nov. 28, 2019
Nov. 29, 2018
Extinguishment of Debt [Line Items]        
Increase (Decrease) Principal     $ (7)  
Increase (Decrease) in Carrying Value     (140)  
Increase (Decrease) in Cash     (103)  
Decrease in Equity     (6) $ (36)
Gain (Loss) on debt prepayments, repurchases, and conversions     42 $ 14
Corporate Bonds | 2025 Notes        
Extinguishment of Debt [Line Items]        
Decrease in Principal     (519)  
Increase (Decrease) in Carrying Value     (516)  
(Decrease) in Cash - Prepayments and Conversions     (534)  
Gain (Loss) on debt prepayments, repurchases, and conversions     $ (18)  
Convertible Debt        
Extinguishment of Debt [Line Items]        
Derivative, Term of Contract (in consecutive trading days)     20 days  
Convertible Debt | IMFT Member Debt        
Extinguishment of Debt [Line Items]        
Decrease in Principal $ (577) $ (116) $ (693)  
Increase (Decrease) in Carrying Value     (693)  
(Decrease) in Cash - Prepayments and Conversions $ (505) $ (116) (621)  
Gain (Loss) on debt prepayments, repurchases, and conversions     72  
Convertible Debt | 2033F Notes        
Extinguishment of Debt [Line Items]        
Decrease in Principal     (45)  
Increase (Decrease) in Carrying Value     (180)  
(Decrease) in Cash - Prepayments and Conversions     (196)  
Decrease in Equity     (5)  
Gain (Loss) on debt prepayments, repurchases, and conversions     (12)  
Convertible Debt | 2033F Notes | Conversions not settled        
Extinguishment of Debt [Line Items]        
Decrease in Principal     0  
Increase (Decrease) in Carrying Value     1  
(Decrease) in Cash - Prepayments and Conversions     0  
Decrease in Equity     (1)  
Gain (Loss) on debt prepayments, repurchases, and conversions     0  
Other Notes Payable | 2024 Term Loan A        
Extinguishment of Debt [Line Items]        
Increase (Decrease) Principal     1,250  
Increase (Decrease) in Carrying Value     1,248  
Increase in Cash - Issuances     $ 1,248