Guarantor And Non-Guarantor Consolidating Condensed Financial Statements (Consolidating Condensed Balance Sheets) (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 841	$ 693	$ 569	$ 606
Receivables, net	646	619
Deferred income taxes	174	177
Other current assets	501	455
Total current assets	2,162	1,944
Property and equipment, net	613	614
Deferred income taxes	1,264	1,299
Goodwill	713	691
Other intangibles, net	932	923
Other non-current assets	362	361
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	6,046	5,832
Assets under vehicle programs:
Program cash	104	116
Vehicles, net	10,617	9,582
Receivables from vehicle manufacturers and other	240	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	11,323	10,452
Total assets	17,369	16,284
Current liabilities:
Accounts payable and other current liabilities	1,474	1,479
Long-term Debt, Current Maturities	393	89
Total current liabilities	1,867	1,568
Long-term debt	3,303	3,305
Other non-current liabilities	840	847
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	6,010	5,720
Liabilities under vehicle programs:
Debt	1,640	1,681
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,359	5,656
Deferred income taxes	2,141	2,177
Other	516	279
Total Liabilities under vehicle programs	10,656	9,793
Total stockholders' equity	703	771
Total liabilities and stockholders’ equity	17,369	16,284
Parent [Member]
Current assets:
Cash and cash equivalents	5	14	6	5
Receivables, net	0	0
Deferred income taxes	1	1
Other current assets	3	4
Total current assets	9	19
Property and equipment, net	0	0
Deferred income taxes	20	20
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	104	104
Intercompany receivables (payables)	146	145
Investment in subsidiaries	617	671
Total assets exclusive of assets under vehicle programs	896	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	896	959
Current liabilities:
Accounts payable and other current liabilities	28	25
Long-term Debt, Current Maturities	66	65
Total current liabilities	94	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	193	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	703	771
Total liabilities and stockholders’ equity	896	959
Subsidiary Issuers [Member]
Current assets:
Cash and cash equivalents	459	242	17	102
Receivables, net	0	0
Deferred income taxes	0	0
Other current assets	75	80
Total current assets	534	322
Property and equipment, net	104	109
Deferred income taxes	1,107	1,142
Goodwill	0	0
Other intangibles, net	41	41
Other non-current assets	91	96
Intercompany receivables (payables)	0	210
Investment in subsidiaries	2,944	2,900
Total assets exclusive of assets under vehicle programs	4,821	4,820
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	7	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	7	10
Total assets	4,828	4,830
Current liabilities:
Accounts payable and other current liabilities	211	238
Long-term Debt, Current Maturities	306	14
Total current liabilities	517	252
Long-term debt	2,660	2,955
Other non-current liabilities	93	96
Due to Related Parties, Noncurrent	932	844
Total liabilities exclusive of liabilities under vehicle programs	4,202	4,147
Liabilities under vehicle programs:
Debt	9	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	9	12
Total stockholders' equity	617	671
Total liabilities and stockholders’ equity	4,828	4,830
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	0	12	8	0
Receivables, net	183	150
Deferred income taxes	155	156
Other current assets	93	82
Total current assets	431	400
Property and equipment, net	312	312
Deferred income taxes	141	141
Goodwill	339	342
Other intangibles, net	516	519
Other non-current assets	18	18
Intercompany receivables (payables)	865	853
Investment in subsidiaries	3,340	3,347
Total assets exclusive of assets under vehicle programs	5,962	5,932
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	14	9
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	14	9
Total assets	5,976	5,941
Current liabilities:
Accounts payable and other current liabilities	502	487
Long-term Debt, Current Maturities	3	3
Total current liabilities	505	490
Long-term debt	5	6
Other non-current liabilities	229	221
Due to Related Parties, Noncurrent	345	340
Total liabilities exclusive of liabilities under vehicle programs	1,084	1,057
Liabilities under vehicle programs:
Debt	0	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	1,948	1,984
Other	0	0
Total Liabilities under vehicle programs	1,948	1,984
Total stockholders' equity	2,944	2,900
Total liabilities and stockholders’ equity	5,976	5,941
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	377	425	538	499
Receivables, net	463	469
Deferred income taxes	23	21
Other current assets	330	289
Total current assets	1,193	1,204
Property and equipment, net	197	193
Deferred income taxes	0	0
Goodwill	374	349
Other intangibles, net	375	363
Other non-current assets	149	143
Intercompany receivables (payables)	626	331
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	2,914	2,583
Assets under vehicle programs:
Program cash	104	116
Vehicles, net	10,596	9,563
Receivables from vehicle manufacturers and other	240	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	11,302	10,433
Total assets	14,216	13,016
Current liabilities:
Accounts payable and other current liabilities	738	730
Long-term Debt, Current Maturities	18	7
Total current liabilities	756	737
Long-term debt	638	344
Other non-current liabilities	423	436
Due to Related Parties, Noncurrent	360	355
Total liabilities exclusive of liabilities under vehicle programs	2,177	1,872
Liabilities under vehicle programs:
Debt	1,631	1,670
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,359	5,656
Deferred income taxes	193	193
Other	516	278
Total Liabilities under vehicle programs	8,699	7,797
Total stockholders' equity	3,340	3,347
Total liabilities and stockholders’ equity	14,216	13,016
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Receivables, net	0	0
Deferred income taxes	(5)	(1)
Other current assets	0	0
Total current assets	(5)	(1)
Property and equipment, net	0	0
Deferred income taxes	(4)	(4)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(1,637)	(1,539)
Investment in subsidiaries	(6,901)	(6,918)
Total assets exclusive of assets under vehicle programs	(8,547)	(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	(8,547)	(8,462)
Current liabilities:
Accounts payable and other current liabilities	(5)	(1)
Long-term Debt, Current Maturities	0	0
Total current liabilities	(5)	(1)
Long-term debt	0	0
Other non-current liabilities	(4)	(4)
Due to Related Parties, Noncurrent	(1,637)	(1,539)
Total liabilities exclusive of liabilities under vehicle programs	(1,646)	(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	(6,901)	(6,918)
Total liabilities and stockholders’ equity	$ (8,547)	$ (8,462)