Debt Under Vehicle Programs and Borrowing Arrangements (Schedule of Debt Issued by AESOP) (Details) $ in Millions	Jun. 30, 2025 USD ($)
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.95%
Amount Issued	$ 1,008
Avis Budget Rental Car Funding Program August 2027
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.31%
Amount Issued	$ 41
Avis Budget Rental Car Funding Program April 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.59%
Amount Issued	$ 75
Avis Budget Rental Car Funding Program June 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.31%
Amount Issued	$ 75
Avis Budget Rental Car Funding Program December 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.37%
Amount Issued	$ 72
Avis Budget Rental Car Funding Program February 2029
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.52%
Amount Issued	$ 95
Avis Budget Rental Car Funding Program August 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	4.94%
Amount Issued	$ 250
Avis Budget Rental Car Funding Program August 2030
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.26%
Amount Issued	$ 400

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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