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Debt under Vehicle Programs And Borrowing Arrangements - Additional Information (Detail) $ in Millions, € in Billions | 108 Months Ended |  |  |  |  |  |  |  |  |  |
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Dec. 31, 2022 EUR (€) | Dec. 31, 2022 USD ($) | Nov. 30, 2022 USD ($) | Jul. 31, 2022 USD ($) | Jun. 30, 2022 USD ($) | May 31, 2022 USD ($) | Apr. 30, 2022 USD ($) | Dec. 31, 2021 | Nov. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | May 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Leasing’s vehicles and related assets |  | $ 13,200 |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  | $ 0 |  |  |  |  | $ 660 |  |  |  |
Weighted average discount rate |  | 1.82% |  |  |  |  |  | 1.25% |  |  |
Debt Due To Rental Car Funding August 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  |  |  |  |  |  | $ 800
Avis Budget Rental Car Funding Program March 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  |  |  |  |  | $ 96 |
Avis Budget Rental Car Funding Program September 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  |  |  |  |  | 105 |
Avis Budget Rental Car Funding Program August 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  |  |  |  |  | $ 103 |
Debt Due To Rental Car Funding February2027 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  |  |  |  | $ 650 |  |
Avis Budget Rental Car Funding Program March 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  | $ 87 |  |  |  |  |
Avis Budget Rental Car Funding Program March 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  | 68 |  |  |  |  |
Avis Budget Rental Car Funding Program September 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  |  | $ 55 |  |  |  |  |
Avis Budget Rental Car Funding Program September 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  |  | $ 800 |  |  |  |  |  |
Avis Budget Rental Car Funding Program February 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  | $ 374 |  |  |  |  |  |  |
Avis Budget Rental Car Funding Program February 2028 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  |  | $ 389 |  |  |  |  |  |  |
Avis Budget Rental Car Funding Program April 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities, at carrying value |  |  | $ 500 |  |  |  |  |  |  |  |
Avis Budget Rental Car Funding Program |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate |  | 4.07% |  |  |  |  |  | 2.66% |  |  |
Americas – Debt borrowings |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate |  | 4.26% |  |  |  |  |  | 2.64% |  |  |
European Rental Fleet Securitization |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
European credit facility | € | € 1.7 |  |  |  |  |  |  |  |  |  |
International – Debt borrowings |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate |  | 3.92% |  |  |  |  |  | 1.66% |  |  |

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- Definition Investments in notes or bonds that are collateralized by a specific group of underlying assets owned by the issuer of the notes or bonds which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
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- Definition Weighted average discount rate for finance lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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