Fair Value Measurements and Financial Instruments - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis, Rollforward (Details) - Corporate debt securities - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Balance, beginning of period | $ 4 | $ 10 |
| Changes in unrealized losses included in other comprehensive loss related to investments held at the reporting date | 0 | 1 |
| Balance, end of period | $ 4 | $ 11 |