Guarantor and Non-Guarantor Condensed Consolidating Financial Statements (Statement of Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues	$ 2,556.4	$ 3,069.4	$ 2,709.2	$ 2,436.9	$ 2,319.7	$ 2,517.2	$ 2,226.2	$ 1,961.7	$ 5,146.2	$ 4,188.0	$ 8,215.6	$ 6,705.2	$ 10,771.9	$ 9,024.9	$ 8,299.3
Expenses:
Direct operating		1,539.5	1,414.2	1,358.9	1,257.7	1,238.0	1,194.2	1,115.0	2,773.1	2,309.3	4,312.7	3,547.3	5,752.0	4,806.0	4,573.1
Depreciation of revenue earning equipment and lease charges		674.9	627.5	580.1	550.0	556.7	514.5	508.7	1,207.6	1,023.2	1,882.5	1,579.9	2,525.5	2,128.9	1,896.2
Selling, general and administrative		271.5	280.7	247.4	331.0	204.7	218.4	214.0	528.1	432.3	799.6	637.0	1,021.8	968.0	767.5
Interest expense, net of interest income													667.3	592.9	644.8
Other (income) expense, net		44.8	(1.1)	1.7					0.6		45.4		66.1	35.5	62.5
Total expenses													10,032.7	8,531.3	7,944.1
Income before income taxes	65.2	367.0	219.7	87.4	(29.7)	386.3	160.9	(23.9)	307.1	137.0	674.1	523.3	739.2	493.6	355.2
(Provision) benefit for taxes on income (loss)		(129.9)	(90.4)	(63.1)	1.0	(134.1)	(65.0)	(24.3)	(153.5)	(89.3)	(283.4)	(223.4)	(345.2)	(222.4)	(137.2)
Equity in earnings of subsidiaries, net of tax													0	0	0
Net income (loss)													394.0	271.2	218.0
Less: Net income attributable to noncontrolling interest													0	0	(19.6)
Net income (loss) attributable to The Hertz Corporation and Subsidiaries' common stockholder	3.4	237.1	129.3	24.3	(28.7)	252.2	95.9	(48.2)	153.6	47.7	390.7	299.9	394.0	271.2	198.4
Parent
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues													4,544.9	4,259.1	4,068.3
Expenses:
Direct operating													2,555.2	2,385.7	2,262.7
Depreciation of revenue earning equipment and lease charges													2,713.6	2,378.5	1,986.2
Selling, general and administrative													482.3	474.1	349.2
Interest expense, net of interest income													336.6	253.5	299.2
Other (income) expense, net													54.1	(10.7)	62.4
Total expenses													6,141.8	5,481.1	4,959.7
Income before income taxes													(1,596.9)	(1,222.0)	(891.4)
(Provision) benefit for taxes on income (loss)													597.1	477.7	347.3
Equity in earnings of subsidiaries, net of tax													1,393.8	1,015.5	742.5
Net income (loss)													394.0	271.2	198.4
Less: Net income attributable to noncontrolling interest															0
Net income (loss) attributable to The Hertz Corporation and Subsidiaries' common stockholder													394.0	271.2	198.4
Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues													2,672.5	1,143.8	810.0
Expenses:
Direct operating													1,463.7	649.6	497.2
Depreciation of revenue earning equipment and lease charges													655.3	244.8	181.7
Selling, general and administrative													212.8	177.7	85.4
Interest expense, net of interest income													34.3	39.4	27.2
Other (income) expense, net													(6.4)	24.1	0
Total expenses													2,359.7	1,135.6	791.5
Income before income taxes													312.8	8.2	18.5
(Provision) benefit for taxes on income (loss)													(128.2)	(30.7)	(10.0)
Equity in earnings of subsidiaries, net of tax													155.0	60.3	26.2
Net income (loss)													339.6	37.8	34.7
Less: Net income attributable to noncontrolling interest															0
Net income (loss) attributable to The Hertz Corporation and Subsidiaries' common stockholder													339.6	37.8	34.7
Non-Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues													6,712.2	6,109.0	5,723.3
Expenses:
Direct operating													1,734.8	1,770.8	1,813.2
Depreciation of revenue earning equipment and lease charges													2,309.3	1,992.3	2,030.6
Selling, general and administrative													330.0	316.3	332.9
Interest expense, net of interest income													296.4	300.0	318.4
Other (income) expense, net													18.4	22.1	0.1
Total expenses													4,688.9	4,401.5	4,495.2
Income before income taxes													2,023.3	1,707.5	1,228.1
(Provision) benefit for taxes on income (loss)													(814.1)	(669.4)	(474.5)
Net income (loss)													1,209.2	1,038.1	753.6
Less: Net income attributable to noncontrolling interest															(19.6)
Net income (loss) attributable to The Hertz Corporation and Subsidiaries' common stockholder													1,209.2	1,038.1	734.0
Eliminations
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Total revenues													(3,157.7)	(2,487.0)	(2,302.3)
Expenses:
Direct operating													(1.7)	(0.1)	0
Depreciation of revenue earning equipment and lease charges													(3,152.7)	(2,486.7)	(2,302.3)
Selling, general and administrative													(3.3)	(0.1)	0
Interest expense, net of interest income													0	0	0
Other (income) expense, net													0	0	0
Total expenses													(3,157.7)	(2,486.9)	(2,302.3)
Income before income taxes													0	(0.1)	0
(Provision) benefit for taxes on income (loss)													0	0	0
Equity in earnings of subsidiaries, net of tax													(1,548.8)	(1,075.8)	(768.7)
Net income (loss)													(1,548.8)	(1,075.9)	(768.7)
Less: Net income attributable to noncontrolling interest															0
Net income (loss) attributable to The Hertz Corporation and Subsidiaries' common stockholder													$ (1,548.8)	$ (1,075.9)	$ (768.7)