Debt Obligations - Additional Information, Senior Notes (Details) - USD ($) $ in Millions	Apr. 15, 2026	Apr. 15, 2025	Apr. 15, 2024	Aug. 20, 2020	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Apr. 06, 2021
Debt Instrument [Line Items]
Long-term debt					$ 1,099	$ 1,098
Debt instrument, redemption, principal amount redeemed							$ 1,200
Debt value of long-term debt					1,060	1,060
5.000% Senior Notes due 2028
Debt Instrument [Line Items]
Long-term debt				$ 650	$ 650	$ 650
Debt stated interest rate				5.00%	5.00%	5.00%
5.000% Senior Notes due 2028 | Twelve Month Period Commencing October 1, 2024
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				101.25%
5.250% Senior Notes due 2030
Debt Instrument [Line Items]
Long-term debt				$ 450	$ 52	$ 52
Debt stated interest rate				5.25%	5.25%	5.25%
Debt instrument, redemption, principal amount redeemed							398
5.250% Senior Notes due 2030 | Twelve Month Period Commencing October 1, 2028
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				100.00%
5.250% Senior Notes due 2030 | Twelve month period commencing on October 1, 2025
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				102.625%
5.250% Senior Notes due 2030 | Twelve Month Period Commencing October 1, 2026
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				101.75%
5.250% Senior Notes due 2030 | Twelve Month Period Commencing October 1, 2027
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				100.875%
5.000% and 5.250% Senior Notes | Prior to October 1, 2023
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount				100.00%
5.125% Senior Notes due 2029
Debt Instrument [Line Items]
Long-term debt, gross								$ 1,200
5.125% Senior Notes due 2029 | On or after April 15; redeemed in 2024
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount			102.563%
5.125% Senior Notes due 2029 | On or after April 15; redeemed in 2025 | Forecast
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount		101.281%
5.125% Senior Notes due 2029 | On or after April 15; redeemed in 2026 and thereafter | Forecast
Debt Instrument [Line Items]
Debt instrument redemption price as percentage of principle amount	100.00%
5.125% Senior Notes due 2029
Debt Instrument [Line Items]
Long-term debt					$ 403	$ 403
Debt stated interest rate					5.125%	5.125%		5.125%
Debt instrument, redemption, principal amount redeemed							$ 797