Guarantor And Non-Guarantor Consolidating Condensed Financial Statements (Consolidating Condensed Balance Sheets) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 537	$ 693	$ 503	$ 606
Receivables, net	753	619
Deferred income taxes	176	177
Other current assets	666	455
Total current assets	2,132	1,944
Property and equipment, net	628	614
Deferred income taxes	1,190	1,299
Goodwill	707	691
Other intangibles, net	932	923
Other non-current assets	353	361
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	5,942	5,832
Assets under vehicle programs:
Program cash	145	116
Vehicles, net	13,366	9,582
Receivables from vehicle manufacturers and other	174	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	14,047	10,452
Total assets	19,989	16,284
Current liabilities:
Accounts payable and other current liabilities	1,636	1,479
Long-term Debt, Current Maturities	89	89
Total current liabilities	1,725	1,568
Long-term debt	3,299	3,305
Other non-current liabilities	852	847
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	5,876	5,720
Liabilities under vehicle programs:
Debt	2,747	1,681
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	8,101	5,656
Deferred income taxes	2,070	2,177
Other	528	279
Total Liabilities under vehicle programs	13,446	9,793
Total stockholders' equity	667	771
Total liabilities and stockholders’ equity	19,989	16,284
Parent [Member]
Current assets:
Cash and cash equivalents	5	14	7	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	19	20
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	107	104
Intercompany receivables (payables)	148	145
Investment in subsidiaries	579	671
Total assets exclusive of assets under vehicle programs	862	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	862	959
Current liabilities:
Accounts payable and other current liabilities	30	25
Long-term Debt, Current Maturities	65	65
Total current liabilities	95	90
Long-term debt	0	0
Other non-current liabilities	100	98
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	195	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	667	771
Total liabilities and stockholders’ equity	862	959
Subsidiary Issuers [Member]
Current assets:
Cash and cash equivalents	248	242	64	102
Receivables, net	0	0
Deferred income taxes	0	0
Other current assets	94	80
Total current assets	342	322
Property and equipment, net	105	109
Deferred income taxes	1,032	1,142
Goodwill	0	0
Other intangibles, net	40	41
Other non-current assets	82	96
Intercompany receivables (payables)	332	210
Investment in subsidiaries	3,046	2,900
Total assets exclusive of assets under vehicle programs	4,979	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	4,986	4,830
Current liabilities:
Accounts payable and other current liabilities	209	238
Long-term Debt, Current Maturities	14	14
Total current liabilities	223	252
Long-term debt	2,657	2,955
Other non-current liabilities	98	96
Due to Related Parties, Noncurrent	1,425	844
Total liabilities exclusive of liabilities under vehicle programs	4,403	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	579	671
Total liabilities and stockholders’ equity	4,986	4,830
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	0	12	0	0
Receivables, net	199	150
Deferred income taxes	156	156
Other current assets	86	82
Total current assets	441	400
Property and equipment, net	320	312
Deferred income taxes	143	141
Goodwill	342	342
Other intangibles, net	514	519
Other non-current assets	20	18
Intercompany receivables (payables)	850	853
Investment in subsidiaries	3,369	3,347
Total assets exclusive of assets under vehicle programs	5,999	5,932
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	88	9
Receivables from vehicle manufacturers and other	3	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	91	9
Total assets	6,090	5,941
Current liabilities:
Accounts payable and other current liabilities	550	487
Long-term Debt, Current Maturities	4	3
Total current liabilities	554	490
Long-term debt	8	6
Other non-current liabilities	225	221
Due to Related Parties, Noncurrent	301	340
Total liabilities exclusive of liabilities under vehicle programs	1,088	1,057
Liabilities under vehicle programs:
Debt	73	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	1,883	1,984
Other	0	0
Total Liabilities under vehicle programs	1,956	1,984
Total stockholders' equity	3,046	2,900
Total liabilities and stockholders’ equity	6,090	5,941
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	284	425	432	499
Receivables, net	554	469
Deferred income taxes	23	21
Other current assets	483	289
Total current assets	1,344	1,204
Property and equipment, net	203	193
Deferred income taxes	0	0
Goodwill	365	349
Other intangibles, net	378	363
Other non-current assets	144	143
Intercompany receivables (payables)	712	331
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,146	2,583
Assets under vehicle programs:
Program cash	145	116
Vehicles, net	13,271	9,563
Receivables from vehicle manufacturers and other	171	391
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	363
Total Assets under vehicle programs	13,949	10,433
Total assets	17,095	13,016
Current liabilities:
Accounts payable and other current liabilities	851	730
Long-term Debt, Current Maturities	6	7
Total current liabilities	857	737
Long-term debt	634	344
Other non-current liabilities	433	436
Due to Related Parties, Noncurrent	316	355
Total liabilities exclusive of liabilities under vehicle programs	2,240	1,872
Liabilities under vehicle programs:
Debt	2,670	1,670
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	8,101	5,656
Deferred income taxes	187	193
Other	528	278
Total Liabilities under vehicle programs	11,486	7,797
Total stockholders' equity	3,369	3,347
Total liabilities and stockholders’ equity	17,095	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	(4)	(4)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,042)	(1,539)
Investment in subsidiaries	(6,994)	(6,918)
Total assets exclusive of assets under vehicle programs	(9,044)	(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	(9,044)	(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	(4)	(4)
Due to Related Parties, Noncurrent	(2,042)	(1,539)
Total liabilities exclusive of liabilities under vehicle programs	(2,050)	(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	(6,994)	(6,918)
Total liabilities and stockholders’ equity	$ (9,044)	$ (8,462)