Consolidating Condensed Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 490	$ 452	$ 624	$ 693
Receivables, net	808	668
Other current assets	519	507
Total current assets	1,817	1,627
Property and equipment, net	685	681
Deferred income taxes	1,493	1,488
Goodwill	1,007	973	842
Other intangibles, net	870	917
Other non-current assets	193	232
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	6,065	5,918
Assets under vehicle programs:
Program cash	225	258
Vehicles, net	10,464	10,658
Receivables from vehicle manufacturers and other	527	438
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Assets under vehicle programs	11,578	11,716	11,058
Total assets	17,643	17,634
Current liabilities:
Short-term debt and current portion of long-term debt	279	26
Accounts payable and other current liabilities	1,488	1,485
Total current liabilities	1,767	1,511
Long-term debt	3,244	3,435
Due to Related Parties, Noncurrent	0	0
Deferred Income Taxes	2,429	2,367
Other non-current liabilities	764	734
Total liabilities exclusive of liabilities under vehicle programs	5,775	5,680
Liabilities under vehicle programs:
Debt	2,183	2,064
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,695	6,796
Other	340	288
Total Liabilities under vehicle programs	11,647	11,515
Total stockholders’ equity	221	439	665	771
Total liabilities and stockholders’ equity	17,643	17,634
Parent Company
Current assets:
Cash and cash equivalents	3	4	2	14
Receivables, net	0	0
Other current assets	2	2
Total current assets	5	6
Property and equipment, net	0	0
Deferred income taxes	20	20
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	75	93
Intercompany receivables (payables)	171	160
Investment in subsidiaries	42	272
Total assets exclusive of assets under vehicle programs	313	551
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	313	551
Current liabilities:
Short-term debt and current portion of long-term debt	0	0
Accounts payable and other current liabilities	23	24
Total current liabilities	23	24
Long-term debt	0	0
Due to Related Parties, Noncurrent	0	0
Deferred Income Taxes	0	0
Other non-current liabilities	69	88
Total liabilities exclusive of liabilities under vehicle programs	92	112
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	221	439
Total liabilities and stockholders’ equity	313	551
Subsidiary Issuers
Current assets:
Cash and cash equivalents	12	70	210	242
Receivables, net	0	0
Other current assets	101	78
Total current assets	113	148
Property and equipment, net	148	134
Deferred income taxes	1,219	1,246
Goodwill	0	0
Other intangibles, net	28	30
Other non-current assets	24	15
Intercompany receivables (payables)	359	367
Investment in subsidiaries	3,717	3,426
Total assets exclusive of assets under vehicle programs	5,608	5,366
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	24	18
Receivables from vehicle manufacturers and other	1	0
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	0	0
Assets under vehicle programs	25	18
Total assets	5,633	5,384
Current liabilities:
Short-term debt and current portion of long-term debt	264	14
Accounts payable and other current liabilities	189	180
Total current liabilities	453	194
Long-term debt	2,730	2,932
Due to Related Parties, Noncurrent	2,306	1,897
Deferred Income Taxes	0	0
Other non-current liabilities	88	85
Total liabilities exclusive of liabilities under vehicle programs	5,577	5,108
Liabilities under vehicle programs:
Debt	14	4
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	14	4
Total stockholders’ equity	42	272
Total liabilities and stockholders’ equity	5,633	5,384
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	0	0	0	12
Receivables, net	231	212
Other current assets	90	83
Total current assets	321	295
Property and equipment, net	341	345
Deferred income taxes	268	253
Goodwill	489	487
Other intangibles, net	502	525
Other non-current assets	16	17
Intercompany receivables (payables)	1,466	1,070
Investment in subsidiaries	3,698	3,680
Total assets exclusive of assets under vehicle programs	7,101	6,672
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	70	78
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	70	78
Total assets	7,171	6,750
Current liabilities:
Short-term debt and current portion of long-term debt	3	5
Accounts payable and other current liabilities	512	471
Total current liabilities	515	476
Long-term debt	3	2
Due to Related Parties, Noncurrent	359	336
Deferred Income Taxes	2,258	2,199
Other non-current liabilities	253	237
Total liabilities exclusive of liabilities under vehicle programs	1,130	1,051
Liabilities under vehicle programs:
Debt	66	74
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Other	0	0
Total Liabilities under vehicle programs	2,324	2,273
Total stockholders’ equity	3,717	3,426
Total liabilities and stockholders’ equity	7,171	6,750
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	475	378	412	425
Receivables, net	577	456
Other current assets	326	344
Total current assets	1,378	1,178
Property and equipment, net	196	202
Deferred income taxes	0	0
Goodwill	518	486
Other intangibles, net	340	362
Other non-current assets	78	107
Intercompany receivables (payables)	670	696
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,180	3,031
Assets under vehicle programs:
Program cash	225	258
Vehicles, net	10,370	10,562
Receivables from vehicle manufacturers and other	526	438
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	362	362
Assets under vehicle programs	11,483	11,620
Total assets	14,663	14,651
Current liabilities:
Short-term debt and current portion of long-term debt	12	7
Accounts payable and other current liabilities	764	810
Total current liabilities	776	817
Long-term debt	511	501
Due to Related Parties, Noncurrent	1	60
Deferred Income Taxes	171	168
Other non-current liabilities	368	355
Total liabilities exclusive of liabilities under vehicle programs	1,656	1,733
Liabilities under vehicle programs:
Debt	2,103	1,986
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	6,695	6,796
Other	340	288
Total Liabilities under vehicle programs	9,309	9,238
Total stockholders’ equity	3,698	3,680
Total liabilities and stockholders’ equity	14,663	14,651
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	(14)	(31)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,666)	(2,293)
Investment in subsidiaries	(7,457)	(7,378)
Total assets exclusive of assets under vehicle programs	(10,137)	(9,702)
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	(10,137)	(9,702)
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	(2,666)	(2,293)
Deferred Income Taxes	0	0
Other non-current liabilities	(14)	(31)
Total liabilities exclusive of liabilities under vehicle programs	(2,680)	(2,324)
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	(7,457)	(7,378)
Total liabilities and stockholders’ equity	$ (10,137)	$ (9,702)