Financial Instruments and Fair Value Measurements - Schedule of Aggregate Principal and Fair Value Amount of Outstanding 2025 Senior Notes and 2026 Senior Notes (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Carrying value amount		$ 835	$ 833
Level 2 | 2025 Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		500	500
Carrying value amount	[1]	494	493
Fair value amount	[2]	487	531
Level 2 | 2026 Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		345	345
Carrying value amount	[3]	341	340
Fair value amount	[2]	$ 262	$ 305

[1] Net of $6 million and $7 million of unamortized debt issuance costs as of June 30, 2022 and December 31, 2021, respectively.

[2] We estimate the fair value of our outstanding 2025 Senior Notes and 2026 Senior Notes based on recently reported market transactions and/or prices for identical or similar financial instruments obtained from a third-party pricing source.

[3] Net of $4 million and $5 million of unamortized debt issuance costs as of June 30, 2022 and December 31, 2021, respectively.