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		Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Carrying value amount		$ 840	$ 839
Level 2 | 2025 Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		500	500
Carrying value amount	[1]	497	497
Fair value amount	[2]	502	502
Level 2 | 2026 Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		345	345
Carrying value amount	[3]	343	342
Fair value amount	[2]	$ 323	$ 304

[1] Net of $3 million of unamortized debt issuance costs as of both March 31, 2024 and December 31, 2023.

[2] We estimate the fair value of the 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 $2 million and $3 million of unamortized debt issuance costs as of March 31, 2024 and December 31, 2023, respectively.