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Commitments And Contingencies (Detail) $ in Millions | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2023 defendant employee vehicle | Dec. 31, 2024 USD ($) classAction | Dec. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2023 | Dec. 31, 2022 USD ($)
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Number of class action | classAction |  | 2 |  |  |  |
Number of class action seeking damages in connection with breach of contract | classAction |  | 1 |  |  |  |
Number of employees involved in an accident | employee | 1 |  |  |  |  |
Number of vehicles involved in an accident | vehicle | 1 |  |  |  |  |
Range of possible loss (up to) |  | $ 40 |  |  |  |
Purchase obligation over the next twelve months |  |  | $ 6,300 |  |  |
Long-term purchase commitment, period |  |  | 12 months |  |  |
Aggregate purchase obligations |  | 145 |  |  |  |
Receivables due from former subsidiaries |  | 287 | $ 237 |  |  | $ 212
Liabilities accrued for asset retirement obligations |  | 25 | $ 27 |  |  |
Purchase commitment period decrease |  | 500 |  |  |  |
Cause No. CC-23-03188-E | Pending Litigation |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Number of defendants | defendant | 2 |  |  |  |  |
Estimate possible loss (in excess of) |  |  |  | $ 1 |  |
Realogy |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Receivables due from former subsidiaries |  | 39 |  |  |  |
Wyndham |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Receivables due from former subsidiaries |  | $ 24 |  |  |  |
Tax Liability | Real Estate Inc |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, liability assumed, percent |  |  |  |  | 62.50% |
Tax Liability | Wyndham Hotels And Resorts Inc And Travel + Leisure Co. |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, liability assumed, percent |  |  |  |  | 37.50% |

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