SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Stockholders' Equity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended							12 Months Ended									12 Months Ended			1 Months Ended	12 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	Dec. 31, 2012 Preferred Stock	Dec. 31, 2011 Preferred Stock	Dec. 31, 2010 Preferred Stock	Dec. 31, 2009 Preferred Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2011 Common Stock	Dec. 31, 2010 Common Stock	Dec. 31, 2012 Additional Paid-In Capital	Dec. 31, 2011 Additional Paid-In Capital	Dec. 31, 2010 Additional Paid-In Capital	Dec. 31, 2011 Retained Earnings (Accumulated Deficit)	Dec. 31, 2010 Retained Earnings (Accumulated Deficit)	Dec. 31, 2012 Retained Earnings (Accumulated Deficit)	Dec. 31, 2012 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2011 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2010 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2011 Parent	Dec. 31, 2012 Parent	Dec. 31, 2011 Parent	Dec. 31, 2010 Parent	Dec. 31, 2012 Parent Preferred Stock	Dec. 31, 2011 Parent Preferred Stock	Dec. 31, 2010 Parent Preferred Stock	Dec. 31, 2009 Parent Preferred Stock	Dec. 31, 2012 Parent Common Stock	Dec. 31, 2011 Parent Common Stock	Dec. 31, 2010 Parent Common Stock	Dec. 31, 2012 Parent Additional Paid-In Capital	Dec. 31, 2011 Parent Additional Paid-In Capital	Dec. 31, 2010 Parent Additional Paid-In Capital	Dec. 31, 2012 Parent Retained Earnings (Accumulated Deficit)	Dec. 31, 2011 Parent Retained Earnings (Accumulated Deficit)	Dec. 31, 2010 Parent Retained Earnings (Accumulated Deficit)	Dec. 31, 2012 Parent Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2011 Parent Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2010 Parent Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests, Tax Effect									$ 0	$ 9,798	$ 0																	$ 9,798	$ 0		$ 0
Increase (Decrease) in Stockholders' Equity
Beginning Balance (Shares)														0		417,022,853,000	413,462,889,000	410,245,225,000																0		417,022,853,000	413,462,889,000	410,245,225,000
Beginning Balance				2,234,675				2,118,451	2,234,675	2,118,451	2,085,206					4,170	4,135	4,102	3,205,964	3,183,225	3,141,695	(1,123,234)	(1,074,553)	(703,985)	(28,414)	37,823	(3,331)		2,234,656	2,101,949	2,067,913					4,170	4,135	4,102	3,205,964	3,183,225	3,141,695	(947,064)	(1,123,234)	(1,074,553)	(28,414)	37,823	(3,331)
Net loss attributable to Hertz Global Holdings, Inc. and Subsidiaries' common stockholders	(36,400)	242,900	92,900	(56,300)	47,000	206,700	55,000	(132,600)	243,079	176,170	(48,681)											176,170	(48,681)						243,079	176,170	(48,681)											243,079	176,170	(48,681)
Other comprehensive income									1,522	(66,237)	41,154														1,522	(66,237)	41,154		1,522	(66,237)	41,154														1,522	(66,237)	41,154
Acquisition of remaining portion of non-controlling interest, net of tax of $9,798										(28,230)										(15,287)										(15,287)										(15,287)
Employee stock purchase plan (shares)																583,636,000	323,752,000	344,542,000																		583,636,000	323,752,000	344,542,000
Employee stock purchase plan									5,030	4,208	3,774					6	3	4	5,024	4,205	3,770								5,030	4,208	3,774					6	3	4	5,024	4,205	3,770
Net settlement on vesting of restricted stock (shares)																2,016,299,000	1,238,091,000	1,421,705,000																		2,016,299,000	1,238,091,000	1,421,705,000
Net settlement on vesting of restricted stock									(20,095)	(11,465)	(7,836)					20	11	14	(20,115)	(11,476)	(7,850)								(20,095)	(11,465)	(7,836)					(20)	11	14	20,115	(11,476)	(7,850)
Stock-based employee compensation charges, net of tax of $0									30,375	31,093	36,560								30,375	31,093	36,560								30,375	31,093	36,560								30,375	31,093	36,560
Exercise of stock options, net of tax (shares)																1,738,609,000	1,975,730,000	1,343,659,000																		1,738,609,000	1,975,730,000	1,343,659,000
Exercise of stock options, net of tax of $(258)									11,220	12,584	7,635					18	21	14	11,202	12,563	7,621								11,220	12,584	7,635					18	21	14	11,202	12,563	7,621
Common shares issued to Directors (shares)																124,465,000	22,391,000	107,758,000																		124,465,000	22,391,000	107,758,000
Common shares issued to Directors									1,488	1,377	1,188					1		1	1,487	1,377	1,187								1,488	1,377	1,188					1		1	1,487	1,377	1,187
Phantom shares issued to Directors										216	238									216	238									216	238									216	238
Proceeds from disgorgement of stockholder short-swing profits, net of tax of $3									11	48	4								11	48	4								11	48	4								11	48	4
Ending Balance (Shares)														0		421,485,862,000	417,022,853,000	413,462,889,000																0		421,485,862,000	417,022,853,000	413,462,889,000
Ending Balance	2,507,305				2,234,675				2,507,305	2,234,675	2,118,451					4,215	4,170	4,135	3,233,948	3,205,964	3,183,225	(947,064)	(1,123,234)	(703,985)	(26,892)	(28,414)	37,823	2,234,656	2,507,286	2,234,656	2,101,949					4,215	4,170	4,135	3,233,948	3,205,964	3,183,225	(703,985)	(947,064)	(1,123,234)	(26,892)	(28,414)	37,823
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net									399	0	0																	0	399		0
Exercise of stock options, tax									888	474	(258)																	474	888		(258)
Proceeds from disgorgement of stockholder short-swing profits, tax									$ 6	$ 29	$ 3																	$ 29	$ 6		$ 3