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Commitments And Contingencies (Narrative) (Detail) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Nov. 30, 2017 lawsuit | Nov. 30, 2011 class | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($)
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Range of possible loss (up to) |  |  | $ 35 |
Purchase obligation over the next twelve months |  |  | 9,300 |
Purchase commitment period increase |  |  | 2,600 |
Other receivables |  |  | $ 137 | $ 64
Long-term purchase commitment, term |  |  | 12 months |
Electronic Toll Service Dispute | Jose Mendez v Avis Budget Group Inc |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Number of cases brought by plaintiffs | class |  | 2 |  |
Breach of Contract | Jose Mendez v Avis Budget Group Inc |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Number of claims filed | lawsuit | 2 |  |  |
Fines And Fees Charged To Renters | Jose Mendez v Avis Budget Group Inc |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Number of claims filed | lawsuit | 1 |  |  |
Realogy |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Other receivables |  |  | $ 36 |
Wyndham |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Other receivables |  |  | $ 21 |
Real Estate Inc | Tax Liability |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Liability assumed, percent |  |  | 62.50% |
Wyndham Hotels And Resorts Inc And Travel + Leisure Co. | Tax Liability |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Liability assumed, percent |  |  | 37.50% |

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- Definition Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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