Consolidating Condensed Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current assets:
Cash and cash equivalents	$ 606	$ 534	$ 911	$ 482
Receivables, net	553	507
Deferred income taxes	146	120
Other current assets	405	380
Total current assets	1,710	1,541
Property and equipment, net	529	493	425
Deferred income taxes	1,454	444
Goodwill	375	353	76
Other intangibles, net	731	713
Other non-current assets	320	304
Total assets exclusive of assets under vehicle programs	5,119	3,848
Assets under vehicle programs:
Program cash	24	11
Vehicles, net	9,274	8,356
Receivables from vehicle manufacturers and other	439	380
Investment in Avis Budget Rental Car Funding (AESOP) LLC-related party	362	343
Total Assets under vehicle programs	10,099	9,090	6,865
Total Assets	15,218	12,938
Current liabilities:
Accounts payable and other current liabilities	1,421	1,433
Short-term debt and current portion of long-term debt	57	37
Total current liabilities	1,478	1,470
Long-term debt	2,848	3,168
Other non-current liabilities	871	960
Total liabilities exclusive of liabilities under vehicle programs	5,197	5,598
Liabilities under vehicle programs:
Debt	1,603	990
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	5,203	4,574
Deferred income taxes	2,163	982
Other	295	382
Total Liabilities under vehicle programs	9,264	6,928
Total stockholders' equity	757	412	410	222
Total liabilities and stockholder's equity	15,218	12,938
Parent Company
Current assets:
Cash and cash equivalents	5	2	257	242
Deferred income taxes	3	8
Other current assets	5	7
Total current assets	13	17
Deferred income taxes	23	36
Other non-current assets	109	124
Intercompany receivables (payables)	142	348
Investment in subsidiaries	723	376
Total assets exclusive of assets under vehicle programs	1,010	901
Assets under vehicle programs:
Total Assets	1,010	901
Current liabilities:
Accounts payable and other current liabilities	22	32
Total current liabilities	22	32
Long-term debt	128	345
Other non-current liabilities	103	112
Total liabilities exclusive of liabilities under vehicle programs	253	489
Liabilities under vehicle programs:
Total stockholders' equity	757	412
Total liabilities and stockholder's equity	1,010	901
Subsidiary Issuers
Current assets:
Cash and cash equivalents	102	234	513	70
Receivables, net		61
Deferred income taxes	1
Other current assets	73	63
Total current assets	176	358
Property and equipment, net	90	70
Deferred income taxes	1,216	177
Other intangibles, net	43	44
Other non-current assets	80	92
Intercompany receivables (payables)	141	1,158
Investment in subsidiaries	2,030	1,769
Total assets exclusive of assets under vehicle programs	3,776	3,668
Assets under vehicle programs:
Vehicles, net	7	6
Total Assets under vehicle programs	7	6
Total Assets	3,783	3,674
Current liabilities:
Accounts payable and other current liabilities	250	284
Short-term debt and current portion of long-term debt	13	8
Total current liabilities	263	292
Long-term debt	2,712	2,814
Other non-current liabilities	79	211
Total liabilities exclusive of liabilities under vehicle programs	3,054	3,317
Liabilities under vehicle programs:
Debt	4	3
Other	2
Total Liabilities under vehicle programs	6	3
Total stockholders' equity	723	354
Total liabilities and stockholder's equity	3,783	3,674
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents		1	3	7
Receivables, net	156	140
Deferred income taxes	138	129
Other current assets	81	76
Total current assets	375	346
Property and equipment, net	276	295
Deferred income taxes	223	229
Goodwill	74	74
Other intangibles, net	341	342
Other non-current assets	14	5
Intercompany receivables (payables)	174	(1,071)
Investment in subsidiaries	3,293	3,192
Total assets exclusive of assets under vehicle programs	4,770	3,412
Assets under vehicle programs:
Vehicles, net	13	4
Total Assets under vehicle programs	13	4
Total Assets	4,783	3,416
Current liabilities:
Accounts payable and other current liabilities	490	531
Short-term debt and current portion of long-term debt	3	2
Total current liabilities	493	533
Long-term debt	8	9
Other non-current liabilities	277	262
Total liabilities exclusive of liabilities under vehicle programs	778	804
Liabilities under vehicle programs:
Deferred income taxes	1,975	843
Total Liabilities under vehicle programs	1,975	843
Total stockholders' equity	2,030	1,769
Total liabilities and stockholder's equity	4,783	3,416
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	499
Receivables, net	397
Deferred income taxes	4
Other current assets	246
Total current assets	1,146
Property and equipment, net	163
Goodwill	301
Other intangibles, net	347
Other non-current assets	117
Intercompany receivables (payables)	(457)
Total assets exclusive of assets under vehicle programs	1,617
Assets under vehicle programs:
Program cash	24
Vehicles, net	9,254
Receivables from vehicle manufacturers and other	439
Investment in Avis Budget Rental Car Funding (AESOP) LLC-related party	362
Total Assets under vehicle programs	10,079
Total Assets	11,696
Current liabilities:
Accounts payable and other current liabilities	659
Short-term debt and current portion of long-term debt	41
Total current liabilities	700
Other non-current liabilities	420
Total liabilities exclusive of liabilities under vehicle programs	1,120
Liabilities under vehicle programs:
Debt	1,599
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party	5,203
Deferred income taxes	188
Other	293
Total Liabilities under vehicle programs	7,283
Total stockholders' equity	3,293
Total liabilities and stockholder's equity	11,696
Eliminations
Current assets:
Deferred income taxes		(20)
Other current assets		(17)
Total current assets		(37)
Deferred income taxes	(8)
Investment in subsidiaries	(6,046)	(5,337)
Total assets exclusive of assets under vehicle programs	(6,054)	(5,374)
Assets under vehicle programs:
Total Assets	(6,054)	(5,374)
Current liabilities:
Accounts payable and other current liabilities		(34)
Total current liabilities		(34)
Other non-current liabilities	(8)
Total liabilities exclusive of liabilities under vehicle programs	(8)	(34)
Liabilities under vehicle programs:
Total stockholders' equity	(6,046)	(5,340)
Total liabilities and stockholder's equity	(6,054)	(5,374)
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	499	297	138	163
Receivables, net		306
Deferred income taxes		3
Other current assets		251
Total current assets		857
Property and equipment, net		128
Deferred income taxes		2
Goodwill		279
Other intangibles, net		327
Other non-current assets		83
Intercompany receivables (payables)		(435)
Total assets exclusive of assets under vehicle programs		1,241
Assets under vehicle programs:
Program cash		11
Vehicles, net		8,346
Receivables from vehicle manufacturers and other		380
Investment in Avis Budget Rental Car Funding (AESOP) LLC-related party		343
Total Assets under vehicle programs		9,080
Total Assets		10,321
Current liabilities:
Accounts payable and other current liabilities		620
Short-term debt and current portion of long-term debt		27
Total current liabilities		647
Other non-current liabilities		375
Total liabilities exclusive of liabilities under vehicle programs		1,022
Liabilities under vehicle programs:
Debt		987
Due to Avis Budget Rental Car Funding (AESOP) LLC-related party		4,574
Deferred income taxes		139
Other		382
Total Liabilities under vehicle programs		6,082
Total stockholders' equity		3,217
Total liabilities and stockholder's equity		$ 10,321