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Long-Term Debt - 8% Senior Secured Notes, Due 2026 - Additional Information (Details) - USD ($)
12 Months Ended
Nov. 19, 2019
Mar. 06, 2019
Dec. 31, 2021
Dec. 31, 2020
Senior Secured Notes at 8%, Due 2026        
Debt Instrument [Line Items]        
Debt instrument aggregate principal amount $ 500,000,000      
Credit Facility, Term Loan H        
Debt Instrument [Line Items]        
Extinguishment of debt amount   $ 1,557,000,000    
Senior Secured Notes | Senior Secured Notes at 8%, Due 2026        
Debt Instrument [Line Items]        
Debt instrument, offering date     Mar. 06, 2019  
Debt instrument aggregate principal amount 2,101,000,000 $ 1,601,000,000    
Debt instrument stated interest rate   8.00% 8.00% 8.00%
Debt instrument redemption price percentage   108.00%    
Maximum principal redeemable using proceeds from a public equity offering, as a percentage of principal amount   40.00%    
Debt instrument redemption description     plus a “make-whole” premium, as described in the indenture governing the 8% Senior Secured Notes due 2026.  
Senior Secured Notes | Senior Notes at 7.125%, Due 2020        
Debt Instrument [Line Items]        
Extinguishment of debt amount $ 121,000,000