Schedule Of Debt Under Vehicle Programs (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	$ 6,806		$ 5,564
Debt Due To Avis Budget Rental Car Funding
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	5,203	[1]	4,574	[1]
Budget Truck Financing
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	253	[2]	188	[2]
Capital Leases
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	315	[3]	348	[3]
Other
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	$ 1,035	[4]	$ 454	[4]

[1] The increase reflects increased borrowing within U.S. operations to fund an increase in the Company's U.S. car rental fleet assets.

[2] The increase reflects increased borrowings to fund 2012 vehicle purchases.

[3] The decrease reflects the payment of capital lease arrangements related to the Company's International fleet.

[4] The increase primarily reflects an increase in borrowings related to the Company's International fleet.