Assets and Liabilities Measured at Fair Value - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
Mar. 09, 2018 |
|---|---|---|---|
| Assets and liabilities measured at fair value | |||
| Indemnification asset | $ 281 | ||
| Recurring | |||
| Assets and liabilities measured at fair value | |||
| Cash equivalents | $ 938 | $ 149 | |
| Indemnification asset | 50 | 324 | |
| Debt | 614 | 1,315 | |
| Recurring | Fair Value, Inputs, Level 1 [Member] | |||
| Assets and liabilities measured at fair value | |||
| Cash equivalents | 938 | 149 | |
| Recurring | Significant Other Observable Inputs (Level 2) | |||
| Assets and liabilities measured at fair value | |||
| Indemnification asset | 50 | 324 | |
| Debt | $ 614 | $ 1,315 | |
| 1.75% Exchangeable Senior Debentures due 2046 | |||
| Assets and liabilities measured at fair value | |||
| Interest rate (as a percent) | 1.75% |