Guarantor and Non-Guarantor Condensed Consolidating Financial Statements (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATING BALANCE SHEET
Parent's ownership percentage in Guarantor Subsidiaries	100.00%
ASSETS
Cash and cash equivalents	$ 483.0	$ 483.0	$ 533.2	$ 586.0	$ 931.2
Restricted cash and cash equivalents	393.2	393.2	571.6
Receivables, less allowance for doubtful accounts	1,656.0	1,656.0	1,886.6
Due from Hertz affiliate	0.8	0.8	12.8
Inventories, at lower of cost or market	128.3	128.3	105.7
Prepaid expenses and other assets	763.2	763.2	461.5
Revenue earning equipment, net	15,706.0	15,706.0	12,908.3
Property and equipment, net	1,465.6	1,465.6	1,436.4
Investment in subsidiaries, net		0	0
Other intangible assets, net	3,968.5	3,968.5	4,032.1
Goodwill	1,366.3	1,366.3	1,341.9		392.1
Total assets	25,930.9	25,930.9	23,290.1
LIABILITIES AND EQUITY
Due to Hertz affiliate		0	0
Accounts payable	1,484.5	1,484.5	999.1
Accrued liabilities	1,182.3	1,182.3	1,178.4
Accrued taxes	183.6	183.6	167.3
Debt	17,394.2	17,394.2	15,014.5
Public liability and property damage	327.5	327.5	332.2
Deferred taxes on income	2,786.8	2,786.8	2,681.1
Total liabilities	23,358.9	23,358.9	20,372.6
Equity:
The Hertz Corporation and Subsidiaries stockholder's equity	2,572.0	2,572.0	2,917.5
Noncontrolling interest		0	0
Total equity		2,572.0	2,917.5
Total liabilities and equity	25,930.9	25,930.9	23,290.1
Parent (The Hertz Corporation)
ASSETS
Cash and cash equivalents		87.5	24.6	265.6	565.0
Restricted cash and cash equivalents		33.7	32.7
Receivables, less allowance for doubtful accounts		500.8	544.5
Due from Hertz affiliate		1,042.7	1,048.0
Inventories, at lower of cost or market		30.8	24.4
Prepaid expenses and other assets		2,894.7	2,570.5
Revenue earning equipment, net		175.3	104.2
Property and equipment, net		897.6	865.7
Investment in subsidiaries, net		6,833.1	6,964.9
Other intangible assets, net		70.2	74.6
Goodwill		106.2	106.2
Total assets		12,672.6	12,360.3
LIABILITIES AND EQUITY
Due to Hertz affiliate		2,097.1	2,254.2
Accounts payable		165.2	239.2
Accrued liabilities		642.7	605.7
Accrued taxes		60.3	54.4
Debt		7,042.3	6,190.0
Public liability and property damage		93.0	99.3
Deferred taxes on income		0	0
Total liabilities		10,100.6	9,442.8
Equity:
The Hertz Corporation and Subsidiaries stockholder's equity		2,572.0	2,917.5
Noncontrolling interest		0	0
Total equity		2,572.0	2,917.5
Total liabilities and equity		12,672.6	12,360.3
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents		24.5	6.5	4.0	7.4
Restricted cash and cash equivalents		17.0	17.1
Receivables, less allowance for doubtful accounts		482.1	444.0
Due from Hertz affiliate		1,842.7	2,023.5
Inventories, at lower of cost or market		39.8	41.2
Prepaid expenses and other assets		244.3	277.8
Revenue earning equipment, net		1,893.0	1,678.5
Property and equipment, net		315.1	321.9
Investment in subsidiaries, net		1,367.9	1,260.9
Other intangible assets, net		3,848.1	3,893.3
Goodwill		1,035.6	1,018.9
Total assets		11,110.1	10,983.6
LIABILITIES AND EQUITY
Due to Hertz affiliate		2,498.8	2,421.6
Accounts payable		267.9	193.9
Accrued liabilities		242.2	45.0
Accrued taxes		33.9	29.1
Debt		68.5	67.7
Public liability and property damage		58.5	52.8
Deferred taxes on income		2,232.7	2,205.6
Total liabilities		5,402.5	5,015.7
Equity:
The Hertz Corporation and Subsidiaries stockholder's equity		5,707.6	5,967.9
Noncontrolling interest		0	0
Total equity		5,707.6	5,967.9
Total liabilities and equity		11,110.1	10,983.6
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents		371.0	502.1	316.4	358.8
Restricted cash and cash equivalents		342.5	521.8
Receivables, less allowance for doubtful accounts		719.3	924.7
Due from Hertz affiliate		3,691.7	3,491.7
Inventories, at lower of cost or market		57.7	40.1
Prepaid expenses and other assets		407.2	173.3
Revenue earning equipment, net		13,637.7	11,125.6
Property and equipment, net		252.9	248.8
Other intangible assets, net		50.2	64.2
Goodwill		224.5	216.8
Total assets		19,754.7	17,309.1
LIABILITIES AND EQUITY
Due to Hertz affiliate		1,980.4	1,874.6
Accounts payable		1,051.4	566.0
Accrued liabilities		343.6	554.3
Accrued taxes		1,335.0	1,049.3
Debt		10,283.4	8,756.8
Public liability and property damage		176.0	180.1
Deferred taxes on income		2,091.5	2,070.1
Total liabilities		17,261.3	15,051.2
Equity:
The Hertz Corporation and Subsidiaries stockholder's equity		2,493.4	2,257.9
Noncontrolling interest		0	0
Total equity		2,493.4	2,257.9
Total liabilities and equity		19,754.7	17,309.1
Eliminations
ASSETS
Cash and cash equivalents		0	0	0	0
Restricted cash and cash equivalents		0	0
Receivables, less allowance for doubtful accounts		(46.2)	(26.6)
Due from Hertz affiliate		(6,576.3)	(6,550.4)
Inventories, at lower of cost or market		0	0
Prepaid expenses and other assets		(2,783.0)	(2,560.1)
Revenue earning equipment, net		0	0
Property and equipment, net		0	0
Investment in subsidiaries, net		(8,201.0)	(8,225.8)
Other intangible assets, net		0	0
Goodwill		0	0
Total assets		(17,606.5)	(17,362.9)
LIABILITIES AND EQUITY
Due to Hertz affiliate		(6,576.3)	(6,550.4)
Accounts payable		0	0
Accrued liabilities		(46.2)	(26.6)
Accrued taxes		(1,245.6)	(965.5)
Debt		0	0
Public liability and property damage		0	0
Deferred taxes on income		(1,537.4)	(1,594.6)
Total liabilities		(9,405.5)	(9,137.1)
Equity:
The Hertz Corporation and Subsidiaries stockholder's equity		(8,201.0)	(8,225.8)
Noncontrolling interest		0	0
Total equity		(8,201.0)	(8,225.8)
Total liabilities and equity		$ (17,606.5)	$ (17,362.9)