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Debt - Narrative (Details)
1 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2021
USD ($)
Jul. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Apr. 30, 2020
USD ($)
shares
$ / shares
Dec. 31, 2020
USD ($)
Nov. 30, 2021
USD ($)
Nov. 30, 2020
USD ($)
Nov. 30, 2019
USD ($)
Feb. 28, 2021
USD ($)
Debt Instrument [Line Items]                  
Principal amount of long-term debt purchased           $ 5,956,000,000 $ 1,621,000,000 $ 1,651,000,000  
Deferred principal payment amount     $ 1,000,000,000            
Cumulative deferred principal amount           1,700,000,000      
Debt instrument, convertible, equity component minimum threshold           5,000,000,000      
Debt instrument, convertible, liquidity component minimum threshold           $ 1,000,000,000      
Debt Instrument, Debt Covenant, Period One                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, required interest coverage covenant, ratio           2.0      
Debt Instrument, Debt Covenant, Period Two                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, required interest coverage covenant, ratio           2.5      
Debt Instrument, Debt Covenant, Period Three                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, required interest coverage covenant, ratio           3.0      
Debt Instrument, Debt Covenant, Period Four                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, required debt to capital covenant (percent)           75.00%      
Debt Instrument, Debt Covenant, Period Five                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, required debt to capital covenant (percent)           65.00%      
Secured Debt | Senior Secured Term Loan Facility due 2025                  
Debt Instrument [Line Items]                  
Debt instrument, face amount     $ 2,800,000,000            
Secured Debt | Senior Secured Term Loan Facility due 2025, Tranche One | LIBOR                  
Debt Instrument [Line Items]                  
Debt instrument, floor rate on variable rate (percentage)     0.75%            
Debt instrument, variable rate (percent)     3.00%            
Secured Debt | Senior Secured Term Loan Facility due 2025, Tranche Two | Eurodollar                  
Debt Instrument [Line Items]                  
Debt instrument, floor rate on variable rate (percentage)     0.00%            
Debt instrument, variable rate (percent)     3.75%            
Secured Debt | Senior Secured Notes Due 2028                  
Debt Instrument [Line Items]                  
Debt instrument, face amount   $ 2,400,000,000              
Secured Debt | First Priority Senior Secured Term Loan Facility Due 2028                  
Debt Instrument [Line Items]                  
Debt Instrument, collateral           $ 25,600,000,000      
Debt instrument, interest rate (percent)   4.00%              
Secured Debt | Senior Secured Term Loan Facility Due 2023                  
Debt Instrument [Line Items]                  
Principal amount of long-term debt purchased   $ 2,000,000,000              
Secured Debt | Incremental Term Loan                  
Debt Instrument [Line Items]                  
Debt instrument, face amount $ 2,300,000,000                
Principal amount of long-term debt purchased $ 2,000,000,000                
Secured Debt | Incremental Term Loan | LIBOR                  
Debt Instrument [Line Items]                  
Debt instrument, floor rate on variable rate (percentage) 0.75%                
Debt instrument, variable rate (percent) 3.25%                
Unsecured Debt | Senior Unsecured Term Loan Facility due 2027                  
Debt Instrument [Line Items]                  
Debt instrument, face amount                 $ 3,500,000,000
Debt instrument, interest rate (percent)                 5.75%
Unsecured Debt | Senior Unecured Notes Due 2029                  
Debt Instrument [Line Items]                  
Debt instrument, face amount           $ 2,000,000,000.0      
Debt instrument, interest rate (percent)           6.00%      
Export Credit Facility | Export Credit Facility Due 2033                  
Debt Instrument [Line Items]                  
Debt instrument, face amount   $ 544,000,000     $ 1,500,000,000        
Convertible                  
Debt Instrument [Line Items]                  
If-converted above par value           $ 398,000,000      
Convertible notes           52,000,000      
Convertible | Senior Convertible Notes due 2023                  
Debt Instrument [Line Items]                  
Debt instrument, face amount             $ 2,000,000,000    
Debt instrument, interest rate (percent)             5.75%    
Decrease in principal amount of debt         $ 1,500,000,000        
Debt instrument, convertible, number of shares (in shares) | shares       100          
Conversion rate, amount       $ 1,000          
Debt instrument, conversion price (in dollars per share) | $ / shares       $ 10          
Debt instrument, convertible, carrying amount           $ 286,000,000      
Debt instrument, effective interest rate (percentage)           12.90%      
Debt instrument, convertible, carrying amount, after partial repurchase           $ 0      
Convertible | Senior Convertible Notes due 2023 | On or After January 1, 2023                  
Debt Instrument [Line Items]                  
Debt instrument, redemption price, percentage (less than 98%)           100.00%