Income Taxes - Roll Forward of the Beginning and Ending Aggregate Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance at beginning of period | $ 15 | $ 0 | $ 0 |
| Increases based on tax positions taken in the prior years | 4 | 15 | 0 |
| Balance at end of period | $ 19 | $ 15 | $ 0 |