Long-Term Debt - 6.875% Senior Notes, Due 2028 - Additional Information (Details) - USD ($) shares in Millions			12 Months Ended
	Dec. 07, 2020	Nov. 19, 2019	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Gain (loss) on early extinguishment of debt			$ 72,000,000	$ 253,000,000	$ (79,000,000)
Extinguishment of debt amount			$ 402,000,000	$ 645,000,000
Senior Notes | Senior Notes At 6.875% Due 2028
Debt Instrument [Line Items]
Debt instrument aggregate principal amount	$ 700,000,000	$ 1,700,000,000
Debt instrument stated interest rate		6.875%
Cash proceeds received in exchange offer		$ 0
Debt instrument, maturity date		Apr. 01, 2028
Minimum period notice for redemption of debt		15 days
Aggregate consideration from debt instrument exchanged for cash	$ 400,000,000
Debt instrument converted into shares of common stock	10
Gain (loss) on early extinguishment of debt	$ 205,000,000
Extinguishment of debt amount						$ 226,000,000
Extinguishment of debt amount via tender offer						$ 7,000,000
Tender offer commencement date						Oct. 30, 2020
Tender offer expiration date						Nov. 30, 2020