Guarantor And Non-Guarantor Consolidating Condensed Financial Statements (Consolidating Condensed Balance Sheets) (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 713	$ 693	$ 589	$ 606
Receivables, net	659	619
Deferred income taxes	173	177
Other current assets	590	455
Total current assets	2,135	1,944
Property and equipment, net	623	614
Deferred income taxes	1,042	1,299
Goodwill	683	691
Other intangibles, net	897	923
Other non-current assets	351	361
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	5,731	5,832
Assets under vehicle programs:
Program cash	89	116
Vehicles, net	11,484	9,582
Receivables from vehicle manufacturers and other	630	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	12,565	10,452
Total assets	18,296	16,284
Current liabilities:
Accounts payable and other current liabilities	1,679	1,479
Long-term Debt, Current Maturities	88	89
Total current liabilities	1,767	1,568
Long-term debt	3,247	3,305
Other non-current liabilities	831	847
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	5,845	5,720
Liabilities under vehicle programs:
Debt	2,517	1,681
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,983	5,656
Deferred income taxes	2,000	2,177
Other	219	279
Total Liabilities under vehicle programs	11,719	9,793
Total stockholders' equity	732	771
Total liabilities and stockholders’ equity	18,296	16,284
Parent [Member]
Current assets:
Cash and cash equivalents	1	14	7	5
Receivables, net	0	0
Deferred income taxes	1	1
Other current assets	4	4
Total current assets	6	19
Property and equipment, net	0	0
Deferred income taxes	19	20
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	107	104
Intercompany receivables (payables)	202	145
Investment in subsidiaries	600	671
Total assets exclusive of assets under vehicle programs	934	959
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	0	0
Receivables from vehicle manufacturers and other	0	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	0	0
Total assets	934	959
Current liabilities:
Accounts payable and other current liabilities	38	25
Long-term Debt, Current Maturities	65	65
Total current liabilities	103	90
Long-term debt	0	0
Other non-current liabilities	99	98
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	202	188
Liabilities under vehicle programs:
Debt	0	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	0	0
Other	0	0
Total Liabilities under vehicle programs	0	0
Total stockholders' equity	732	771
Total liabilities and stockholders’ equity	934	959
Subsidiary Issuers [Member]
Current assets:
Cash and cash equivalents	409	242	34	102
Receivables, net	1	0
Deferred income taxes	0	0
Other current assets	83	80
Total current assets	493	322
Property and equipment, net	104	109
Deferred income taxes	896	1,142
Goodwill	0	0
Other intangibles, net	40	41
Other non-current assets	80	96
Intercompany receivables (payables)	339	210
Investment in subsidiaries	3,161	2,900
Total assets exclusive of assets under vehicle programs	5,113	4,820
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	6	10
Receivables from vehicle manufacturers and other	0	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	6	10
Total assets	5,119	4,830
Current liabilities:
Accounts payable and other current liabilities	222	238
Long-term Debt, Current Maturities	14	14
Total current liabilities	236	252
Long-term debt	2,655	2,955
Other non-current liabilities	96	96
Due to Related Parties, Noncurrent	1,528	844
Total liabilities exclusive of liabilities under vehicle programs	4,515	4,147
Liabilities under vehicle programs:
Debt	4	11
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	0	0
Other	0	1
Total Liabilities under vehicle programs	4	12
Total stockholders' equity	600	671
Total liabilities and stockholders’ equity	5,119	4,830
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	0	12	10	0
Receivables, net	174	150
Deferred income taxes	156	156
Other current assets	82	82
Total current assets	412	400
Property and equipment, net	321	312
Deferred income taxes	144	141
Goodwill	315	342
Other intangibles, net	511	519
Other non-current assets	22	18
Intercompany receivables (payables)	891	853
Investment in subsidiaries	3,420	3,347
Total assets exclusive of assets under vehicle programs	6,036	5,932
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	92	9
Receivables from vehicle manufacturers and other	2	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	94	9
Total assets	6,130	5,941
Current liabilities:
Accounts payable and other current liabilities	522	487
Long-term Debt, Current Maturities	6	3
Total current liabilities	528	490
Long-term debt	7	6
Other non-current liabilities	230	221
Due to Related Parties, Noncurrent	308	340
Total liabilities exclusive of liabilities under vehicle programs	1,073	1,057
Liabilities under vehicle programs:
Debt	86	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	1,810	1,984
Other	0	0
Total Liabilities under vehicle programs	1,896	1,984
Total stockholders' equity	3,161	2,900
Total liabilities and stockholders’ equity	6,130	5,941
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	303	425	538	499
Receivables, net	484	469
Deferred income taxes	20	21
Other current assets	421	289
Total current assets	1,228	1,204
Property and equipment, net	198	193
Deferred income taxes	0	0
Goodwill	368	349
Other intangibles, net	346	363
Other non-current assets	142	143
Intercompany receivables (payables)	726	331
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,008	2,583
Assets under vehicle programs:
Program cash	89	116
Vehicles, net	11,386	9,563
Receivables from vehicle manufacturers and other	628	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	12,465	10,433
Total assets	15,473	13,016
Current liabilities:
Accounts payable and other current liabilities	901	730
Long-term Debt, Current Maturities	3	7
Total current liabilities	904	737
Long-term debt	585	344
Other non-current liabilities	423	436
Due to Related Parties, Noncurrent	322	355
Total liabilities exclusive of liabilities under vehicle programs	2,234	1,872
Liabilities under vehicle programs:
Debt	2,427	1,670
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,983	5,656
Deferred income taxes	190	193
Other	219	278
Total Liabilities under vehicle programs	9,819	7,797
Total stockholders' equity	3,420	3,347
Total liabilities and stockholders’ equity	15,473	13,016
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Receivables, net	0	0
Deferred income taxes	(4)	(1)
Other current assets	0	0
Total current assets	(4)	(1)
Property and equipment, net	0	0
Deferred income taxes	(17)	(4)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,158)	(1,539)
Investment in subsidiaries	(7,181)	(6,918)
Total assets exclusive of assets under vehicle programs	(9,360)	(8,462)
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	0	0
Receivables from vehicle manufacturers and other	0	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	0	0
Total assets	(9,360)	(8,462)
Current liabilities:
Accounts payable and other current liabilities	(4)	(1)
Long-term Debt, Current Maturities	0	0
Total current liabilities	(4)	(1)
Long-term debt	0	0
Other non-current liabilities	(17)	(4)
Due to Related Parties, Noncurrent	(2,158)	(1,539)
Total liabilities exclusive of liabilities under vehicle programs	(2,179)	(1,544)
Liabilities under vehicle programs:
Debt	0	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	0	0
Other	0	0
Total Liabilities under vehicle programs	0	0
Total stockholders' equity	(7,181)	(6,918)
Total liabilities and stockholders’ equity	$ (9,360)	$ (8,462)