Long-Term Debt - Exchange Offers, Additional Information (Details) $ in Millions		1 Months Ended	12 Months Ended
	Sep. 24, 2024 USD ($) numberOfSeries	Nov. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Aggregate principal amount				$ 7,548
Reduction in aggregate principal amount	$ 7	$ 324
Exchange Offer fees			$ 8
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 324	$ 357
Senior Notes | 10.000% Second Lien Notes Due 2032
Debt Instrument [Line Items]
Aggregate principal amount	$ 350
Stated interest rate	10.00%
Senior Notes | Senior Unsecured Notes Due 2027
Debt Instrument [Line Items]
Aggregate principal amount	$ 357
Number of series | numberOfSeries	2