Debt under Vehicle Programs And Borrowing Arrangements - Additional Information (Detail) $ in Millions, € in Billions		1 Months Ended	10 Months Ended	12 Months Ended
	Jan. 31, 2024 EUR (€)	Feb. 29, 2024 EUR (€)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Leasing’s vehicles and related assets				$ 17,000
Weighted average interest rate				6.04%	5.81%
Debt under vehicle programs				$ 17,536	$ 18,937
Weighted average discount rate				5.07%	3.68%
Repurchase Facility
Debt Instrument [Line Items]
Debt interest, tenor period				180 days
Debt under vehicle programs				$ 116
Interest rate				6.64%
Securities pledged as collateral				$ 195
Avis Budget Rental Car Funding Program
Debt Instrument [Line Items]
Weighted average interest rate				5.04%	4.99%
Americas – Debt borrowings
Debt Instrument [Line Items]
Weighted average interest rate				5.78%	5.77%
European Rental Fleet Securitization
Debt Instrument [Line Items]
European credit facility | €	€ 1.7	€ 1.9	€ 0.2
International – Debt borrowings
Debt Instrument [Line Items]
Weighted average interest rate				5.07%	5.51%