Guarantor And Non-Guarantor Consolidating Condensed Financial Statements (Consolidating Condensed Balance Sheets) (Detail) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 527	$ 452	$ 529	$ 624
Receivables, net	760	668
Other current assets	856	507
Total current assets	2,143	1,627
Property and equipment, net	683	681
Deferred income taxes	1,490	1,488
Goodwill	1,004	973
Other intangibles, net	896	917
Other non-current assets	244	232
Intercompany receivables (payables)	0	0
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	6,460	5,918
Assets under vehicle programs:
Program cash	182	258
Vehicles, net	13,227	10,658
Receivables from vehicle manufacturers and other	253	438
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	361	362
Total Assets under vehicle programs	14,023	11,716
Total assets	20,483	17,634
Current liabilities:
Accounts payable and other current liabilities	1,743	1,485
Long-term Debt, Current Maturities	28	26
Total current liabilities	1,771	1,511
Long-term debt	3,502	3,435
Other non-current liabilities	773	734
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	6,046	5,680
Liabilities under vehicle programs:
Debt	3,178	2,064
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	7,987	6,796
Deferred income taxes	2,350	2,367
Other	583	288
Total Liabilities under vehicle programs	14,098	11,515
Total stockholders' equity	339	439
Total liabilities and stockholders’ equity	20,483	17,634
Parent [Member]
Current assets:
Cash and cash equivalents	3	4	5	2
Receivables, net	0	0
Other current assets	5	2
Total current assets	8	6
Property and equipment, net	0	0
Deferred income taxes	20	20
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	95	93
Intercompany receivables (payables)	166	160
Investment in subsidiaries	165	272
Total assets exclusive of assets under vehicle programs	454	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
Total Assets under vehicle programs	0	0
Total assets	454	551
Current liabilities:
Accounts payable and other current liabilities	25	24
Long-term Debt, Current Maturities	0	0
Total current liabilities	25	24
Long-term debt	0	0
Other non-current liabilities	90	88
Due to Related Parties, Noncurrent	0	0
Total liabilities exclusive of liabilities under vehicle programs	115	112
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	339	439
Total liabilities and stockholders’ equity	454	551
Subsidiary Issuers [Member]
Current assets:
Cash and cash equivalents	81	70	239	210
Receivables, net	0	0
Other current assets	111	78
Total current assets	192	148
Property and equipment, net	142	134
Deferred income taxes	1,232	1,246
Goodwill	0	0
Other intangibles, net	29	30
Other non-current assets	18	15
Intercompany receivables (payables)	348	367
Investment in subsidiaries	3,573	3,426
Total assets exclusive of assets under vehicle programs	5,534	5,366
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	17	18
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	18	18
Total assets	5,552	5,384
Current liabilities:
Accounts payable and other current liabilities	189	180
Long-term Debt, Current Maturities	15	14
Total current liabilities	204	194
Long-term debt	2,986	2,932
Other non-current liabilities	97	85
Due to Related Parties, Noncurrent	2,099	1,897
Total liabilities exclusive of liabilities under vehicle programs	5,386	5,108
Liabilities under vehicle programs:
Debt	1	4
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	1	4
Total stockholders' equity	165	272
Total liabilities and stockholders’ equity	5,552	5,384
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Receivables, net	249	212
Other current assets	102	83
Total current assets	351	295
Property and equipment, net	346	345
Deferred income taxes	255	253
Goodwill	489	487
Other intangibles, net	512	525
Other non-current assets	20	17
Intercompany receivables (payables)	1,166	1,070
Investment in subsidiaries	3,773	3,680
Total assets exclusive of assets under vehicle programs	6,912	6,672
Assets under vehicle programs:
Program cash	0	0
Vehicles, net	80	78
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	80	78
Total assets	6,992	6,750
Current liabilities:
Accounts payable and other current liabilities	585	471
Long-term Debt, Current Maturities	4	5
Total current liabilities	589	476
Long-term debt	2	2
Other non-current liabilities	237	237
Due to Related Parties, Noncurrent	347	336
Total liabilities exclusive of liabilities under vehicle programs	1,175	1,051
Liabilities under vehicle programs:
Debt	71	74
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	0	0
Deferred income taxes	2,173	2,199
Other	0	0
Total Liabilities under vehicle programs	2,244	2,273
Total stockholders' equity	3,573	3,426
Total liabilities and stockholders’ equity	6,992	6,750
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	443	378	285	412
Receivables, net	511	456
Other current assets	638	344
Total current assets	1,592	1,178
Property and equipment, net	195	202
Deferred income taxes	0	0
Goodwill	515	486
Other intangibles, net	355	362
Other non-current assets	111	107
Intercompany receivables (payables)	767	696
Investment in subsidiaries	0	0
Total assets exclusive of assets under vehicle programs	3,535	3,031
Assets under vehicle programs:
Program cash	182	258
Vehicles, net	13,130	10,562
Receivables from vehicle manufacturers and other	252	438
Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party	361	362
Total Assets under vehicle programs	13,925	11,620
Total assets	17,460	14,651
Current liabilities:
Accounts payable and other current liabilities	944	810
Long-term Debt, Current Maturities	9	7
Total current liabilities	953	817
Long-term debt	514	501
Other non-current liabilities	366	355
Due to Related Parties, Noncurrent	1	60
Total liabilities exclusive of liabilities under vehicle programs	1,834	1,733
Liabilities under vehicle programs:
Debt	3,106	1,986
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	7,987	6,796
Deferred income taxes	177	168
Other	583	288
Total Liabilities under vehicle programs	11,853	9,238
Total stockholders' equity	3,773	3,680
Total liabilities and stockholders’ equity	17,460	14,651
Eliminations [Member]
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	(17)	(31)
Goodwill	0	0
Other intangibles, net	0	0
Other non-current assets	0	0
Intercompany receivables (payables)	(2,447)	(2,293)
Investment in subsidiaries	(7,511)	(7,378)
Total assets exclusive of assets under vehicle programs	(9,975)	(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
Total Assets under vehicle programs	0	0
Total assets	(9,975)	(9,702)
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	(17)	(31)
Due to Related Parties, Noncurrent	(2,447)	(2,293)
Total liabilities exclusive of liabilities under vehicle programs	(2,464)	(2,324)
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	(7,511)	(7,378)
Total liabilities and stockholders’ equity	$ (9,975)	$ (9,702)