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Debt Under Vehicle Programs And Borrowing Arrangements - Additional Information (Detail) € in Millions, $ in Millions | 1 Months Ended | 2 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2020 | Jul. 31, 2020 | Feb. 29, 2020 | Jul. 31, 2019 | May. 31, 2015 | Jan. 31, 2015 | Jul. 31, 2014 | Feb. 28, 2014 | Dec. 31, 2015 EUR (€) | Dec. 31, 2014 EUR (€) | Dec. 31, 2013 EUR (€) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Sep. 30, 2014 USD ($) | Mar. 31, 2014 USD ($)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing Vehicles And Related Assets Pledged As Collateralized Debt |  |  |  |  |  |  |  |  |  |  |  | $ 8,600 |  |  |  |
Interest rate on capital leases |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |
Avis Budget Rental Car Funding Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |
Americas Debt Borrowings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing Vehicles And Related Assets Pledged As Collateralized Debt |  |  |  |  |  |  |  |  |  |  |  | $ 900 |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |
International Debt Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing Vehicles And Related Assets Pledged As Collateralized Debt |  |  |  |  |  |  |  |  |  |  |  | $ 1,500 |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |
International Capital Leases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing Vehicles And Related Assets Pledged As Collateralized Debt |  |  |  |  |  |  |  |  |  |  |  | $ 200 |  |  |  |
Debt Due To Rental Car Funding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing Vehicles And Related Assets Pledged As Collateralized Debt |  |  |  |  |  |  |  |  |  |  |  | $ 8,400 |  |  |  |
Debt Instrument, Issuance Date |  |  |  |  | May 01, 2015 | Jan. 01, 2015 | Jul. 01, 2014 | Feb. 01, 2014 |  |  |  |  |  |  |  |
Asset-Backed Securities, at Carrying Value |  |  |  |  |  |  |  |  |  |  |  |  | $ 550 | $ 650 | $ 500 | $ 675
Debt Instrument, Maturity Date | Dec. 01, 2020 | Jul. 01, 2020 | Feb. 01, 2020 | Jul. 01, 2019 |  |  |  |  |  |  |  |  |  |  |  |
European Rental Fleet Securitization [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Newly Issued European Credit Facility | € |  |  |  |  |  |  |  |  | € 210 | € 290 | € 500 |  |  |  |  |

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- Definition Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] + References No definition available. + Details
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- Definition Leasing Vehicles And Related Assets, Pledged As Collateralized Debt + References No definition available. + Details
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- Definition Newly Issued European Credit Facility + References No definition available. + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the lessee's capital lease. + References No definition available. + Details
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- Definition Date the debt instrument was issued, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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