Consolidating Condensed Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 452	$ 624	$ 693	$ 606
Receivables, net	668	599
Other current assets	507	456
Total current assets	1,627	1,679
Property and equipment, net	681	638
Deferred income taxes	1,488	1,511
Goodwill	973	842	691
Other intangibles, net	917	886
Other non-current assets	232	228
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	5,918	5,784
Assets under vehicle programs:
Program cash	258	119
Vehicles, net	10,658	10,215
Receivables from vehicle manufacturers and other	438	362
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Assets under vehicle programs	11,716	11,058	10,452
Total assets	17,634	16,842
Current liabilities:
Short-term debt and current portion of long-term debt	26	28
Accounts payable and other current liabilities	1,485	1,491
Total current liabilities	1,511	1,519
Long-term debt	3,435	3,325
Due to Related Parties, Noncurrent	0	0
Deferred Income Taxes	2,367	2,267
Other non-current liabilities	734	766
Total liabilities exclusive of liabilities under vehicle programs	5,680	5,610
Liabilities under vehicle programs:
Debt	2,064	1,760
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,796	6,296
Other	288	244
Total Liabilities under vehicle programs	11,515	10,567
Total stockholders’ equity	439	665	771	757
Total liabilities and stockholders’ equity	17,634	16,842
Parent Company
Current assets:
Cash and cash equivalents	4	2	14	5
Receivables, net	0	0
Other current assets	2	3
Total current assets	6	5
Property and equipment, net	0	0
Deferred income taxes	20	19
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	93	104
Intercompany receivables (payables)	160	205
Investment in subsidiaries	272	468
Total assets exclusive of assets under vehicle programs	551	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
Assets under vehicle programs	0	0
Total assets	551	801
Current liabilities:
Short-term debt and current portion of long-term debt	0	0
Accounts payable and other current liabilities	24	39
Total current liabilities	24	39
Long-term debt	0	0
Due to Related Parties, Noncurrent	0	0
Deferred Income Taxes	0	0
Other non-current liabilities	88	97
Total liabilities exclusive of liabilities under vehicle programs	112	136
Liabilities under vehicle programs:
Debt	0	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	0	0
Total stockholders’ equity	439	665
Total liabilities and stockholders’ equity	551	801
Subsidiary Issuers
Current assets:
Cash and cash equivalents	70	210	242	102
Receivables, net	0	0
Other current assets	78	86
Total current assets	148	296
Property and equipment, net	134	112
Deferred income taxes	1,246	1,222
Goodwill	0	0
Other intangibles, net	30	38
Other non-current assets	15	25
Intercompany receivables (payables)	367	344
Investment in subsidiaries	3,426	3,072
Total assets exclusive of assets under vehicle programs	5,366	5,109
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	18	7
Receivables from vehicle manufacturers and other	0	1
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Assets under vehicle programs	18	8
Total assets	5,384	5,117
Current liabilities:
Short-term debt and current portion of long-term debt	14	13
Accounts payable and other current liabilities	180	200
Total current liabilities	194	213
Long-term debt	2,932	2,769
Due to Related Parties, Noncurrent	1,897	1,558
Deferred Income Taxes	0	0
Other non-current liabilities	85	100
Total liabilities exclusive of liabilities under vehicle programs	5,108	4,640
Liabilities under vehicle programs:
Debt	4	9
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	4	9
Total stockholders’ equity	272	468
Total liabilities and stockholders’ equity	5,384	5,117
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	0	0	12	0
Receivables, net	212	177
Other current assets	83	78
Total current assets	295	255
Property and equipment, net	345	325
Deferred income taxes	253	240
Goodwill	487	487
Other intangibles, net	525	545
Other non-current assets	17	21
Intercompany receivables (payables)	1,070	978
Investment in subsidiaries	3,680	3,316
Total assets exclusive of assets under vehicle programs	6,672	6,167
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	78	87
Receivables from vehicle manufacturers and other	0	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Assets under vehicle programs	78	87
Total assets	6,750	6,254
Current liabilities:
Short-term debt and current portion of long-term debt	5	4
Accounts payable and other current liabilities	471	462
Total current liabilities	476	466
Long-term debt	2	6
Due to Related Parties, Noncurrent	336	313
Deferred Income Taxes	2,199	2,082
Other non-current liabilities	237	232
Total liabilities exclusive of liabilities under vehicle programs	1,051	1,017
Liabilities under vehicle programs:
Debt	74	83
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	2,273	2,165
Total stockholders’ equity	3,426	3,072
Total liabilities and stockholders’ equity	6,750	6,254
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	378	412	425	499
Receivables, net	456	422
Other current assets	344	289
Total current assets	1,178	1,123
Property and equipment, net	202	201
Deferred income taxes	0	34
Goodwill	486	355
Other intangibles, net	362	303
Other non-current assets	107	78
Intercompany receivables (payables)	696	672
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,031	2,766
Assets under vehicle programs:
Program cash	258	119
Vehicles, net	10,562	10,121
Receivables from vehicle manufacturers and other	438	361
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Assets under vehicle programs	11,620	10,963
Total assets	14,651	13,729
Current liabilities:
Short-term debt and current portion of long-term debt	7	11
Accounts payable and other current liabilities	810	790
Total current liabilities	817	801
Long-term debt	501	550
Due to Related Parties, Noncurrent	60	328
Deferred Income Taxes	168	185
Other non-current liabilities	355	341
Total liabilities exclusive of liabilities under vehicle programs	1,733	2,020
Liabilities under vehicle programs:
Debt	1,986	1,668
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,796	6,296
Other	288	244
Total Liabilities under vehicle programs	9,238	8,393
Total stockholders’ equity	3,680	3,316
Total liabilities and stockholders’ equity	14,651	13,729
Eliminations
Current assets:
Cash and cash equivalents	0	0	$ 0	$ 0
Receivables, net	0	0
Other current assets	0	0
Total current assets	0	0
Property and equipment, net	0	0
Deferred income taxes	(31)	(4)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,293)	(2,199)
Investment in subsidiaries	(7,378)	(6,856)
Total assets exclusive of assets under vehicle programs	(9,702)	(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
Assets under vehicle programs	0	0
Total assets	(9,702)	(9,059)
Current liabilities:
Short-term debt and current portion of long-term debt	0	0
Accounts payable and other current liabilities	0	0
Total current liabilities	0	0
Long-term debt	0	0
Due to Related Parties, Noncurrent	(2,293)	(2,199)
Deferred Income Taxes	0	0
Other non-current liabilities	(31)	(4)
Total liabilities exclusive of liabilities under vehicle programs	(2,324)	(2,203)
Liabilities under vehicle programs:
Debt	0	0
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	0	0
Total stockholders’ equity	(7,378)	(6,856)
Total liabilities and stockholders’ equity	$ (9,702)	$ (9,059)