Debt - Summary of Outstanding Debt (Details) - Long-Term Debt - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Outstanding Principal Amount	$ 845	$ 845
Unamortized Debt Issuance Costs	(6)	(9)
Carrying Value	839	836
2025 Senior Notes
Debt Instrument [Line Items]
Outstanding Principal Amount	500	500
Unamortized Debt Issuance Costs	(3)	(5)
Carrying Value	497	495
2026 Senior Notes
Debt Instrument [Line Items]
Outstanding Principal Amount	345	345
Unamortized Debt Issuance Costs	(3)	(4)
Carrying Value	$ 342	$ 341