Income Taxes - Change in Valuation Allowance (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Valuation Allowance, Deferred Tax Asset, Change [Roll Forward] | |||
| Balance at beginning of year | $ 90 | $ 91 | $ 113 |
| Valuation Allowance, Deferred Tax Asset, Establishment Of New Allowance | 2 | 3 | 0 |
| Net change to existing allowances | 11 | (3) | (16) |
| Establishment of new allowances | 0 | 0 | 22 |
| Acquisitions and divestitures | (7) | 0 | (31) |
| Release of allowances | (21) | 0 | 0 |
| Foreign currency translation | (5) | (1) | 3 |
| Balance at end of year | 70 | $ 90 | $ 91 |
| Valuation Allowance, State Deferred Tax Assets, Release of Allowance | 18 | ||
| Valuation Allowance, Foreign Deferred Tax, Release of Allowance | $ 3 | ||