Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Available Funding Under The Vehicle Programs) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	$ 11,969	[1]
Outstanding Borrowings	10,848
Available Capacity	1,121
Debt Due To Avis Budget Rental Car Funding (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	8,516	[1],[2]
Outstanding Borrowings	8,101	[2]
Available Capacity	415	[2]
Leasing vehicles and related assets, pledged as collateralized debt	9,700
Canada Debt Borrowings [Member] [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	961	[1],[3]
Outstanding Borrowings	744	[3]
Available Capacity	217	[3]
Leasing vehicles and related assets, pledged as collateralized debt	919
International Debt Borrowings [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	1,650	[1],[4]
Outstanding Borrowings	1,290	[4]
Available Capacity	360	[4]
Leasing vehicles and related assets, pledged as collateralized debt	1,600
International Capital Leases [Domain]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	554	[1],[5]
Outstanding Borrowings	444	[5]
Available Capacity	110	[5]
Budget Truck Financing (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	283	[1],[6]
Outstanding Borrowings	264	[6]
Available Capacity	19	[6]
Leasing vehicles and related assets, pledged as collateralized debt	450
European Rental Fleet Securitization [Member]
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Leasing vehicles and related assets, pledged as collateralized debt	406
Other (Member)
Debt Under Vehicle Programs And Borrowing Arrangements [Line Items]
Total Capacity	5	[1]
Outstanding Borrowings	5
Available Capacity	$ 0

[1] Capacity is subject to maintaining sufficient assets to collateralize debt.

[2] The outstanding debt is collateralized by approximately $9.7 billion of underlying vehicles and related assets.

[3] The outstanding debt is collateralized by $919 million of underlying vehicles and related assets.

[4] The outstanding debt is collateralized by approximately $1.6 billion of underlying vehicles and related assets.

[5] The outstanding debt is collateralized by $450 million of underlying vehicles and related assets.

[6] The outstanding debt is collateralized by $406 million of underlying vehicles and related assets.