Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Available Funding Under The Vehicle Programs) (Detail)	Jun. 30, 2015 USD ($)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	$ 13,271,000,000
Outstanding Borrowings	11,086,000,000
Available Capacity	2,185,000,000
Debt Due To Avis Budget Rental Car Funding (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	9,650,000,000
Outstanding Borrowings	8,350,000,000
Available Capacity	1,300,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	9,900,000,000
Americas Debt Borrowings [Member]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	1,102,000,000
Outstanding Borrowings	946,000,000
Available Capacity	156,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	1,200,000,000
International Debt Borrowings [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	2,183,000,000
Outstanding Borrowings	1,476,000,000
Available Capacity	707,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	1,800,000,000
International Capital Leases [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	326,000,000
Outstanding Borrowings	304,000,000
Available Capacity	22,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	300,000,000
Other (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	10,000,000
Outstanding Borrowings	10,000,000
Available Capacity	$ 0