Schedule I (Parent Co Balance Sheets) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
ASSETS
Cash and cash equivalents	$ 533,235	$ 931,208	$ 2,374,006	$ 985,467
Restricted cash and cash equivalents	571,634	308,039
Receivables, less allowance for doubtful accounts	1,886,596	1,616,382
Due from Hertz affiliates	12,809	0
Inventories, at lower of cost or market	105,728	83,978
Prepaid expenses and other assets	461,502	416,134
Revenue earning equipment, net	12,908,336	10,105,409
Property and equipment, net	1,436,386	1,251,854
Other intangible assets, net	4,032,111	2,562,234
Goodwill	1,341,872	392,094	328,600
Total assets	23,290,209	17,667,332
LIABILITIES AND STOCKHOLDERS' EQUITY
Due to Hertz affiliates	0	412
Accounts payable	999,061	897,489
Accrued liabilities	1,178,460	1,126,338
Accrued taxes	167,314	162,984
Debt	15,014,474	10,907,849
Public liability and property damage	332,232	281,534
Total Liabilities	20,372,681	15,038,478
Stockholders' equity:
Common Stock, Value, Issued	0	0
Additional paid-in capital	3,509,998	3,473,625
Accumulated deficit	(565,597)	(816,376)
Accumulated other comprehensive loss	(26,892)	(28,414)
The Hertz Corporation and Subsidiaries stockholder's equity	2,917,509	2,628,835
Total liabilities and equity	23,290,209	17,667,332
Stock Transactions, Parenthetical Disclosures [Abstract]
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	3,000	3,000
Common Stock, shares issued	100	100
Common Stock, shares outstanding	100	100
Parent
ASSETS
Cash and cash equivalents	24,602	565,002	1,754,378	108,522
Restricted cash and cash equivalents	32,681	44,663
Receivables, less allowance for doubtful accounts	544,454	297,292
Due from Hertz affiliates	1,047,986	655,411
Inventories, at lower of cost or market	24,422	22,440
Prepaid expenses and other assets	2,570,539	2,088,579
Revenue earning equipment, net	104,207	167,304
Property and equipment, net	865,694	824,381
Investments in subsidiaries, net	6,964,916	4,413,289
Other intangible assets, net	74,606	94,682
Goodwill	106,210	100,221
Total assets	12,360,317	9,273,264
LIABILITIES AND STOCKHOLDERS' EQUITY
Due to Hertz affiliates	2,254,223	1,251,347
Accounts payable	239,247	188,695
Accrued liabilities	605,680	607,673
Accrued taxes	54,357	54,559
Debt	6,190,040	4,434,274
Public liability and property damage	99,261	107,881
Total Liabilities	9,442,808	6,644,429
Stockholders' equity:
Common Stock, Value, Issued	0	0
Additional paid-in capital	3,509,998	3,473,625
Accumulated deficit	(565,597)	(816,376)
Accumulated other comprehensive loss	(26,892)	(28,414)
The Hertz Corporation and Subsidiaries stockholder's equity	2,917,509	2,628,835
Total liabilities and equity	$ 12,360,317	$ 9,273,264
Stock Transactions, Parenthetical Disclosures [Abstract]
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	3,000	3,000
Common Stock, shares issued	100	100	100
Common Stock, shares outstanding	100	100