Debt Under Vehicle Programs and Borrowing Arrangements (Debt Issued by AESOP) (Detail) $ in Millions	Jun. 30, 2024 USD ($)
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.46%
Amount Issued	$ 2,442
Avis Budget Rental Car Funding Program June 2029
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.51%
Amount Issued	$ 1,200
Avis Budget Rental Car Funding Program April 2026
Debt Instrument [Line Items]
Weighted Average Interest Rate	6.24%
Amount Issued	$ 53
Avis Budget Rental Car Funding Program October 2026
Debt Instrument [Line Items]
Weighted Average Interest Rate	6.18%
Amount Issued	$ 37
Avis Budget Rental Car Funding Program April 2028
Debt Instrument [Line Items]
Weighted Average Interest Rate	6.23%
Amount Issued	$ 52
Avis Budget Rental Car Funding Program October 2027
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.26%
Amount Issued	$ 400
Avis Budget Rental Car Funding Program December 2029
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.35%
Amount Issued	$ 700