v3.20.1
Debt (Debt) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Subtotal $ 11,053 $ 11,706
Less: Current maturities 217 1,268
Total long-term debt 10,836 10,438
First Lien Term Loans    
Debt Instrument [Line Items]    
Subtotal 3,161 3,167
Senior Unsecured Notes    
Debt Instrument [Line Items]    
Subtotal 3,041 3,663
First Lien Notes    
Debt Instrument [Line Items]    
Subtotal 2,407 2,835
Project financing, notes payable and other    
Debt Instrument [Line Items]    
Subtotal 840 879
CCFC Term Loan    
Debt Instrument [Line Items]    
Subtotal 964 967
Finance lease obligations    
Debt Instrument [Line Items]    
Subtotal 68 73
Revolving facilities    
Debt Instrument [Line Items]    
Subtotal $ 572 $ 122