Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Debt Under Vehicle Programs) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	$ 10,848		$ 7,337
Debt Due To Avis Budget Rental Car Funding (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	8,101	[1]	5,656	[1]
Canada Debt Borrowings [Member] [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	744	[1],[2]	400	[1],[2]
International Debt Borrowings [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	1,290	[3]	731	[3]
International Capital Leases [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	444	[1]	289	[1]
Budget Truck Financing (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	264		226
Other (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Debt under vehicle programs	$ 5		$ 35

[1] The increase reflects additional borrowings principally to fund a seasonal increase in the Company’s car rental fleet.

[2] The increase includes additional borrowings to fund an increase in the Company’s fleet driven by the acquisition of its Budget licensee for Edmonton.

[3] (c) The increase reflects additional borrowings to acquire rental fleet.