Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Available Funding Under The Vehicle Programs) (Detail)	Jun. 30, 2016 USD ($)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	$ 13,602,000,000
Outstanding Borrowings	11,223,000,000
Available Capacity	2,379,000,000
Debt Due To Avis Budget Rental Car Funding (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	9,674,000,000
Outstanding Borrowings	8,029,000,000
Available Capacity	1,645,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	9,600,000,000
Americas Debt Borrowings [Member]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	1,037,000,000
Outstanding Borrowings	978,000,000
Available Capacity	59,000,000
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)	2,681,000,000
Outstanding Borrowings	2,033,000,000
Available Capacity	648,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	2,500,000,000
International Capital Leases [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	208,000,000
Outstanding Borrowings	181,000,000
Available Capacity	27,000,000
Leasing Vehicles And Related Assets Pledged As Collateralized Debt	200,000,000
Other (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity (a)	2,000,000
Outstanding Borrowings	2,000,000
Available Capacity	$ 0