Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on disposal of discontinued business, net of income taxes | $ 32 | $ 5 | $ 32 | $ 5 |
| Sale Of European Vacation Rental Business | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on disposal of discontinued business, net of income taxes | $ 32 | $ 5 | $ 32 | $ 5 |