Debt - Summary of Outstanding Debt (Details) - Long-Term Debt - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Outstanding Principal Amount	$ 845	$ 845
Unamortized Debt Issuance Costs	(10)	(12)
Carrying Value	835	833
2025 Senior Notes
Debt Instrument [Line Items]
Outstanding Principal Amount	500	500
Unamortized Debt Issuance Costs	(6)	(7)
Carrying Value	494	493
2026 Senior Notes
Debt Instrument [Line Items]
Outstanding Principal Amount	345	345
Unamortized Debt Issuance Costs	(4)	(5)
Carrying Value	$ 341	$ 340