Debt Under Vehicle Programs and Borrowing Arrangements (Debt Issued by AESOP) (Details) $ in Millions	Mar. 31, 2025 USD ($)
Debt Instrument [Line Items]
Weighted Average Interest Rate	8.01%
Amount Issued	$ 358
Avis Budget Rental Car Funding Program August 2027
Debt Instrument [Line Items]
Weighted Average Interest Rate	7.98%
Amount Issued	$ 41
Avis Budget Rental Car Funding Program April 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	8.00%
Amount Issued	$ 75
Avis Budget Rental Car Funding Program June 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	8.01%
Amount Issued	$ 75
Avis Budget Rental Car Funding Program December 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	8.03%
Amount Issued	$ 72
Avis Budget Rental Car Funding Program February 2029
Debt Instrument [Line Items]
Weighted Average Interest Rate	8.03%
Amount Issued	$ 95