Guarantor And Non-Guarantor Consolidating Condensed Financial Statements (Consolidating Condensed Balance Sheets) (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 529	$ 624	$ 537	$ 693
Receivables, net	685	599
Deferred income taxes	144	159
Other current assets	763	456
Total current assets	2,121	1,838
Property and equipment, net	637	638
Deferred income taxes	1,261	1,352
Goodwill	971	842
Other intangibles, net	946	886
Other non-current assets	343	355
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	6,279	5,911
Assets under vehicle programs:
Program cash	143	119
Vehicles, net	13,395	10,215
Receivables from vehicle manufacturers and other	220	362
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Total Assets under vehicle programs	14,120	11,058
Total assets	20,399	16,969
Current liabilities:
Accounts payable and other current liabilities	1,697	1,491
Long-term Debt, Current Maturities	32	28
Total current liabilities	1,729	1,519
Long-term debt	3,520	3,392
Other non-current liabilities	723	766
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	5,972	5,677
Liabilities under vehicle programs:
Debt	2,736	1,776
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	8,350	6,340
Deferred income taxes	2,141	2,267
Other	604	244
Total Liabilities under vehicle programs	13,831	10,627
Total stockholders' equity	596	665
Total liabilities and stockholders’ equity	20,399	16,969
Parent [Member]
Current assets:
Cash and cash equivalents	5	2	5	14
Receivables, net	0	0
Deferred income taxes	0	0
Other current assets	3	3
Total current assets	8	5
Property and equipment, net	0	0
Deferred income taxes	20	19
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	95	104
Intercompany receivables (payables)	210	205
Investment in subsidiaries	376	468
Total assets exclusive of assets under vehicle programs	709	801
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	709	801
Current liabilities:
Accounts payable and other current liabilities	24	39
Long-term Debt, Current Maturities	0	0
Total current liabilities	24	39
Long-term debt	0	0
Other non-current liabilities	89	97
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	113	136
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	596	665
Total liabilities and stockholders’ equity	709	801
Subsidiary Issuers [Member]
Current assets:
Cash and cash equivalents	239	210	248	242
Receivables, net	0	0
Deferred income taxes	9	23
Other current assets	100	86
Total current assets	348	319
Property and equipment, net	118	112
Deferred income taxes	1,150	1,199
Goodwill	0	0
Other intangibles, net	32	38
Other non-current assets	65	81
Intercompany receivables (payables)	356	344
Investment in subsidiaries	3,186	3,072
Total assets exclusive of assets under vehicle programs	5,255	5,165
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	16	7
Receivables from vehicle manufacturers and other	1	1
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	17	8
Total assets	5,272	5,173
Current liabilities:
Accounts payable and other current liabilities	185	200
Long-term Debt, Current Maturities	12	13
Total current liabilities	197	213
Long-term debt	2,977	2,825
Other non-current liabilities	86	100
Due to Related Parties, Noncurrent	1,634	1,558
Total liabilities exclusive of liabilities under vehicle programs	4,894	4,696
Liabilities under vehicle programs:
Debt	2	9
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	2	9
Total stockholders' equity	376	468
Total liabilities and stockholders’ equity	5,272	5,173
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	0	0	0	12
Receivables, net	180	177
Deferred income taxes	103	102
Other current assets	91	78
Total current assets	374	357
Property and equipment, net	324	325
Deferred income taxes	140	138
Goodwill	487	487
Other intangibles, net	532	545
Other non-current assets	22	22
Intercompany receivables (payables)	676	978
Investment in subsidiaries	3,677	3,316
Total assets exclusive of assets under vehicle programs	6,232	6,168
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	83	87
Receivables from vehicle manufacturers and other	1	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Total Assets under vehicle programs	84	87
Total assets	6,316	6,255
Current liabilities:
Accounts payable and other current liabilities	523	462
Long-term Debt, Current Maturities	5	4
Total current liabilities	528	466
Long-term debt	3	6
Other non-current liabilities	225	232
Due to Related Parties, Noncurrent	325	313
Total liabilities exclusive of liabilities under vehicle programs	1,081	1,017
Liabilities under vehicle programs:
Debt	80	84
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	1,968	2,082
Other	1	0
Total Liabilities under vehicle programs	2,049	2,166
Total stockholders' equity	3,186	3,072
Total liabilities and stockholders’ equity	6,316	6,255
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	285	412	284	425
Receivables, net	505	422
Deferred income taxes	32	34
Other current assets	569	289
Total current assets	1,391	1,157
Property and equipment, net	195	201
Deferred income taxes	0	0
Goodwill	484	355
Other intangibles, net	382	303
Other non-current assets	161	148
Intercompany receivables (payables)	774	672
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,387	2,836
Assets under vehicle programs:
Program cash	143	119
Vehicles, net	13,296	10,121
Receivables from vehicle manufacturers and other	218	361
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Total Assets under vehicle programs	14,019	10,963
Total assets	17,406	13,799
Current liabilities:
Accounts payable and other current liabilities	965	790
Long-term Debt, Current Maturities	15	11
Total current liabilities	980	801
Long-term debt	540	561
Other non-current liabilities	372	341
Due to Related Parties, Noncurrent	57	328
Total liabilities exclusive of liabilities under vehicle programs	1,949	2,031
Liabilities under vehicle programs:
Debt	2,654	1,683
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	8,350	6,340
Deferred income taxes	173	185
Other	603	244
Total Liabilities under vehicle programs	11,780	8,452
Total stockholders' equity	3,677	3,316
Total liabilities and stockholders’ equity	17,406	13,799
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0	$ 0	$ 0
Receivables, net	0	0
Deferred income taxes	0	0
Other current assets	0	0
Total current assets	0	0
Property and equipment, net	0	0
Deferred income taxes	(49)	(4)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,016)	(2,199)
Investment in subsidiaries	(7,239)	(6,856)
Total assets exclusive of assets under vehicle programs	(9,304)	(9,059)
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	(9,304)	(9,059)
Current liabilities:
Accounts payable and other current liabilities	0	0
Long-term Debt, Current Maturities	0	0
Total current liabilities	0	0
Long-term debt	0	0
Other non-current liabilities	(49)	(4)
Due to Related Parties, Noncurrent	(2,016)	(2,199)
Total liabilities exclusive of liabilities under vehicle programs	(2,065)	(2,203)
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	(7,239)	(6,856)
Total liabilities and stockholders’ equity	$ (9,304)	$ (9,059)