Summary of Significant Accounting Policies (Consolidated Statements of Operations - Restatements) (Details) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended				3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended						3 Months Ended											6 Months Ended			9 Months Ended			12 Months Ended			12 Months Ended		9 Months Ended	12 Months Ended		9 Months Ended	12 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	Dec. 31, 2010	Sep. 30, 2013 Scenario, Previously Reported	Jun. 30, 2013 Scenario, Previously Reported	Mar. 31, 2013 Scenario, Previously Reported	Dec. 31, 2012 Scenario, Previously Reported	Sep. 30, 2012 Scenario, Previously Reported	Jun. 30, 2012 Scenario, Previously Reported	Mar. 31, 2012 Scenario, Previously Reported	Jun. 30, 2013 Scenario, Previously Reported	Jun. 30, 2012 Scenario, Previously Reported	Sep. 30, 2013 Scenario, Previously Reported	Sep. 30, 2012 Scenario, Previously Reported	Dec. 31, 2013 Scenario, Previously Reported	Dec. 31, 2012 Scenario, Previously Reported		Dec. 31, 2011 Scenario, Previously Reported		Dec. 31, 2010 Scenario, Previously Reported	Dec. 31, 2013 Restatement Adjustment	Sep. 30, 2013 Restatement Adjustment		Jun. 30, 2013 Restatement Adjustment	Mar. 31, 2013 Restatement Adjustment	Dec. 31, 2012 Restatement Adjustment	Sep. 30, 2012 Restatement Adjustment	Jun. 30, 2012 Restatement Adjustment		Mar. 31, 2012 Restatement Adjustment		Jun. 30, 2013 Restatement Adjustment	Jun. 30, 2012 Restatement Adjustment		Sep. 30, 2013 Restatement Adjustment		Sep. 30, 2012 Restatement Adjustment	Dec. 31, 2012 Restatement Adjustment	Dec. 31, 2011 Restatement Adjustment	Dec. 31, 2010 Restatement Adjustment	Dec. 31, 2012 Vendor Incentive Classification	Dec. 31, 2011 Vendor Incentive Classification	Sep. 30, 2013 Vendor Incentive Classification Restatement Adjustment	Dec. 31, 2012 Vendor Incentive Classification Restatement Adjustment	Dec. 31, 2011 Vendor Incentive Classification Restatement Adjustment	Sep. 30, 2013 Under Accruals Restatement Adjustment	Dec. 31, 2012 Certain Assets and Allowance for Doubtful Accounts, Brazil	Dec. 31, 2011 Certain Assets and Allowance for Doubtful Accounts, Brazil	Dec. 31, 2010 Certain Assets and Allowance for Doubtful Accounts, Brazil	Dec. 31, 2012 Certain Assets and Allowance for Doubtful Accounts, Brazil Restatement Adjustment	Dec. 31, 2011 Certain Assets and Allowance for Doubtful Accounts, Brazil Restatement Adjustment	Dec. 31, 2012 Other Immaterial Errors	Dec. 31, 2011 Other Immaterial Errors	Dec. 31, 2010 Other Immaterial Errors	Sep. 30, 2013 Other Immaterial Errors Restatement Adjustment	Dec. 31, 2012 Other Immaterial Errors Restatement Adjustment
Error Corrections and Prior Period Adjustments Identified																																		$ 46.3
Assets	24,680.8				23,268.4								24,680.8	23,268.4						23,290.1									23,290.1
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		3,069.4	2,714.6	2,436.5	2,318.5	2,516.2	2,225.1	1,960.9	5,151.2	4,186.1	8,220.6	6,702.3		9,020.8		8,298.4				0	[1]	(5.4)	0.4	1.2	1.0	1.1	[2]	0.8	[2]	(5.0)	1.9	[2]	(5.0)		2.9	4.1	0.9
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		1,525.4	1,405.9	1,351.2	1,250.6	1,241.1	1,188.9	1,114.1	2,757.1	2,303.1	4,282.6	3,544.2		4,795.8		4,566.4				14.1	[1]	8.3	7.7	7.1	(3.1)	5.3	[2]	0.9	[2]	16.0	6.2	[2]	30.1	[3]	3.1	10.2	6.7							3.1				3.6	6.2				23.1	3.5
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		676.7	641.1	587.0	553.8	560.5	519.8	515.1	1,228.1	1,034.9	1,904.8	1,595.4		2,148.2		1,905.7				(1.8)	[1]	(13.6)	(6.9)	(3.8)	(3.8)	(5.3)	[2]	(6.4)	[2]	(20.5)	(11.7)	[2]	(22.3)	[4]	(15.5)	(19.3)	(9.5)				22.1	23.6	9.5
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		276.8	274.8	251.5	330.3	201.0	206.6	207.8	526.3	414.3	803.1	615.3		945.6	[5]	745.1	[6]			(5.3)		5.9	(4.1)	0.7	3.7	11.8	[2]	6.2	[2]	1.8	18.0	[2]	(3.5)		21.7	22.4	22.4				21.2	25.9	22.4										23.1	3.5
Other (income) expense, net		44.8	(1.1)	1.7					0.6		45.4		66.1	35.5	62.5		44.8	(1.1)	(0.6)					(1.7)		43.1									0	[1]	0	2.3							2.3			2.3
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		374.0	225.7	86.0	(26.9)	382.1	171.6	(24.0)	311.7	147.6	685.7	529.7		502.8		373.9				(7.0)	[1]	(6.0)	1.4	(2.8)	4.2	(10.7)	[2]	0.1	[2]	(4.6)	(10.6)	[2]	(11.6)		(6.4)	(9.2)	(18.7)		(2.4)	(12.9)					(3.6)	(6.2)	(4.4)			(3.2)	0.4	(2.4)
Benefit for taxes on income		(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)		(132.4)	(95.8)	(59.5)	(1.4)	(130.8)	(70.7)	(24.2)	(155.3)	(94.9)	(287.7)	(225.7)		(227.1)		(143.9)				2.5	[1]	5.4	(3.6)	2.4	(3.3)	5.7	[2]	(0.1)	[2]	1.8	5.6	[2]	4.3		2.3	4.7	6.7
Net income (loss)													394.0	271.2	218.0														275.7		230.0																				(4.5)	(12.0)
Net 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		241.6	129.9	26.5	(28.3)	251.3	100.9	(48.2)	156.4	52.7	398.0	304.0		275.7		210.4				(4.5)		(0.6)	(2.2)	(0.4)	0.9	(5.0)	[2]	0	[2]	(2.8)	(5.0)	[2]	(7.3)		(4.1)	(4.5)	(12.0)
Liabilities	21,796.4				20,371.9								21,796.4	20,371.9						20,372.6									20,372.6
The Hertz Corporation and Subsidiaries stockholder's equity	2,884.4				2,896.5								2,884.4	2,896.5						2,917.5									2,917.5
Error Correction and Prior Period Adjustments Identified, Prior Periods																																		34.7
Error Correction and Prior Period Adjustments Identified, Prior Periods, Net of Tax																																		21.0
Accumulated deficit																(1,127.7)																	(1,123.2)																				(4.5)
Cash and cash equivalents	423.2				545.5								423.2	545.5	931.2	2,374.0																							12.3												12.3	0
Restricted cash and cash equivalents	859.9				551.6								859.9	551.6																									(20.0)												(20.0)
Receivables, less allowance for doubtful accounts	1,512.6				1,879.6								1,512.6	1,879.6																									(7.0)												(7.0)
Prepaid expenses and other assets	717.0				480.7								717.0	480.7																									19.2												19.2
Cars	14,456.6				12,548.8								14,456.6	12,548.8																									(42.3)												(42.3)
Property Subject to or Available for Operating Lease, Accumulated Depreciation	2,679.6				1,850.4								2,679.6	1,850.4																									(30.5)												(30.5)
Other intangible assets, net	3,928.0				4,030.2								3,928.0	4,030.2																									(1.9)												(1.9)
Goodwill	1,347.5				1,329.3								1,347.5	1,329.3	392.1																								(12.5)												(12.5)
Accounts payable	967.9				1,003.2								967.9	1,003.2																									4.1												4.1
Accrued liabilities	1,104.3				1,161.0								1,104.3	1,161.0																									(17.4)												(17.4)
Accrued taxes	203.4				193.2								203.4	193.2																									25.9												25.9
Deferred taxes on income	2,919.5				2,631.8								2,919.5	2,631.8																									(13.3)												(13.3)
Net cash provided by (used in) operating activities													3,611.5	2,740.2	2,236.1													2,748.4			2,258.5																				(8.1)	(22.4)
Net cash provided by (used in) financing activities													105.1	1,595.3	(1,512.2)													1,595.1			(1,512.2)																				0	0
Net cash provided by (used in) investing activities													$ (3,838.9)	$ (4,726.9)	$ (2,170.5)													$ (4,747.3)			$ (2,192.9)																				$ 20.4	$ 22.4

[1] Refer to explanations (g) through (i) mentioned below for the nine months ended September 30, 2013.

[2] Refer to explanations (a) through (c) mentioned above for the year ended December 31, 2012.

[3] Primarily consists of $3.1 million adjustments related to under accruals and certain reclassifications of $23.1 million to conform to the current presentation.

[4] Primarily consists of $22.1 million adjustment related to vendor incentives.

[5] Primarily consists of $25.9 million adjustment related to vendor incentives, offset by certain reclassifications of $3.5 million to conform to the current presentation.

[6] Primarily consists of $22.4 million adjustment related to vendor incentives.