Guarantor and Non-Guarantor Condensed Consolidating Financial Statements (Statement of Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 394.0	$ 271.2	$ 218.0
Other comprehensive income	34.0	1.6	(66.3)
Comprehensive income (loss)	428.0	272.8	151.7
Less: Comprehensive income attributable to noncontrolling interest			(19.6)
Comprehensive income attributable to The Hertz Corporation and Subsidiaries' common stockholder	428.0	272.8	132.1
Parent
CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	394.0	271.2	198.4
Other comprehensive income	34.0	1.6	(66.3)
Less: Comprehensive income attributable to noncontrolling interest			0
Comprehensive income attributable to The Hertz Corporation and Subsidiaries' common stockholder	428.0	272.8	132.1
Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	339.6	37.8	34.7
Other comprehensive income	(6.6)	0.8	0
Comprehensive income (loss)			34.7
Less: Comprehensive income attributable to noncontrolling interest			0
Comprehensive income attributable to The Hertz Corporation and Subsidiaries' common stockholder	333.0	38.6	34.7
Non-Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	1,209.2	1,038.1	753.6
Other comprehensive income	(24.1)	10.5	(34.6)
Comprehensive income (loss)			719.0
Less: Comprehensive income attributable to noncontrolling interest			(19.6)
Comprehensive income attributable to The Hertz Corporation and Subsidiaries' common stockholder	1,185.1	1,048.6	699.4
Eliminations
CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	(1,548.8)	(1,075.9)	(768.7)
Other comprehensive income	30.7	(11.3)	34.6
Comprehensive income (loss)			(734.1)
Less: Comprehensive income attributable to noncontrolling interest			0
Comprehensive income attributable to The Hertz Corporation and Subsidiaries' common stockholder	$ (1,518.1)	$ (1,087.2)	$ (734.1)