Debt - Summary of Outstanding Debt (Details) - Long-Term Debt - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Outstanding Principal Amount	$ 845	$ 845
Unamortized Debt Issuance Costs	(4)	(6)
Carrying Value	841	839
7.00% 2025 Senior Notes due 2025
Debt Instrument [Line Items]
Outstanding Principal Amount	500	500
Unamortized Debt Issuance Costs	(2)	(3)
Carrying Value	498	497
0.25% Convertible 2026 Senior Notes due 2026
Debt Instrument [Line Items]
Outstanding Principal Amount	345	345
Unamortized Debt Issuance Costs	(2)	(3)
Carrying Value	$ 343	$ 342