Guarantor and Non-Guarantor Condensed Consolidating Financial Statements (Statement of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues	$ 2,318,600	$ 2,516,200	$ 2,225,100	$ 1,960,900	$ 2,013,800	$ 2,432,300	$ 2,072,300	$ 1,780,000	$ 9,020,807	$ 8,298,380	$ 7,562,534
Expenses:
Direct operating									4,795,788	4,566,378	4,283,394
Depreciation of revenue earning equipment and lease charges									2,148,158	1,905,739	1,868,147
Selling, general and administrative									945,581	745,117	664,442
Interest Income (Expense), Net									592,886	644,703	714,224
Interest income									(4,902)	(5,551)	(12,315)
Other (income) expense, net									35,542	62,548	5
Total expenses									8,517,955	7,924,485	7,530,212
Income before income taxes	(26,900)	382,100	171,700	(24,000)	105,400	308,200	107,000	(146,700)	502,852	373,895	32,322
Provision for taxes on income									(227,073)	(143,846)	(33,322)
Equity in earnings (losses) of subsidiaries (net of tax)									0	0	0
Net income									275,779	230,049	(1,000)
Less: Net income attributable to noncontrolling interest									0	(19,560)	(17,383)
Net loss attributable to The Hertz Corporation and Subsidiaries' common stockholder	(28,300)	251,300	101,000	(48,200)	58,800	212,600	62,100	(123,000)	275,779	210,489	(18,383)
Parent
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues									4,259,049	4,068,310	3,961,435
Expenses:
Direct operating									2,384,829	2,262,371	2,217,864
Depreciation of revenue earning equipment and lease charges									2,402,032	1,996,733	1,938,416
Selling, general and administrative									448,100	326,794	320,192
Interest Income (Expense), Net									253,437	299,099	297,276
Other (income) expense, net									(10,656)	62,396	9,915
Total expenses									5,477,742	4,947,393	4,783,663
Income before income taxes									(1,218,693)	(879,083)	(822,228)
Provision for taxes on income									476,444	342,469	314,692
Equity in earnings (losses) of subsidiaries (net of tax)									1,018,028	747,103	489,153
Net income									275,779	210,489	(18,383)
Less: Net income attributable to noncontrolling interest										0	0
Net loss attributable to The Hertz Corporation and Subsidiaries' common stockholder									275,779	210,489	(18,383)
Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues									975,500	809,093	701,264
Expenses:
Direct operating									553,099	497,053	452,674
Depreciation of revenue earning equipment and lease charges									198,322	180,807	200,252
Selling, general and administrative									123,300	85,414	67,739
Interest Income (Expense), Net									39,679	27,226	20,068
Other (income) expense, net									(19)	(18)	(3)
Total expenses									914,381	790,482	740,730
Income before income taxes									61,119	18,611	(39,466)
Provision for taxes on income									(44,846)	(10,016)	10,718
Equity in earnings (losses) of subsidiaries (net of tax)									45,922	26,215	(5,268)
Net income									62,195	34,810	(34,016)
Less: Net income attributable to noncontrolling interest										0	0
Net loss attributable to The Hertz Corporation and Subsidiaries' common stockholder									62,195	34,810	(34,016)
Non-Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues									6,255,039	5,733,827	5,350,348
Expenses:
Direct operating									1,857,860	1,806,954	1,612,856
Depreciation of revenue earning equipment and lease charges									2,016,585	2,041,049	2,179,992
Selling, general and administrative									374,181	332,909	276,511
Interest Income (Expense), Net									299,770	318,378	396,880
Other (income) expense, net									46,217	170	(9,907)
Total expenses									4,594,613	4,499,460	4,456,332
Income before income taxes									1,660,426	1,234,367	894,016
Provision for taxes on income									(658,671)	(476,299)	(358,732)
Net income									1,001,755	758,068	535,284
Less: Net income attributable to noncontrolling interest										(19,560)	(17,383)
Net loss attributable to The Hertz Corporation and Subsidiaries' common stockholder									1,001,755	738,508	517,901
Eliminations
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues									(2,468,781)	(2,312,850)	(2,450,513)
Expenses:
Direct operating									0	0	0
Depreciation of revenue earning equipment and lease charges									(2,468,781)	(2,312,850)	(2,450,513)
Selling, general and administrative									0	0	0
Interest Income (Expense), Net									0	0	0
Other (income) expense, net									0	0	0
Total expenses									(2,468,781)	(2,312,850)	(2,450,513)
Income before income taxes									0	0	0
Provision for taxes on income									0	0	0
Equity in earnings (losses) of subsidiaries (net of tax)									(1,063,950)	(773,318)	(483,885)
Net income									(1,063,950)	(773,318)	(483,885)
Less: Net income attributable to noncontrolling interest										0	0
Net loss attributable to The Hertz Corporation and Subsidiaries' common stockholder									$ (1,063,950)	$ (773,318)	$ (483,885)