Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance at beginning of year | $ 22 | $ 23 | $ 21 |
| Additions for tax positions of prior years | 0 | 1 | 0 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | (20) | 0 | 0 |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | (1) | 0 | 0 |
| Foreign currency translation | (2) | ||
| Foreign currency translation | (1) | (2) | |
| Balance at end of year | $ 0 | $ 22 | $ 23 |