Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 01, 2013	Dec. 31, 2012
Document And Entity Information [Abstract]
Entity Registrant Name	HERTZ GLOBAL HOLDINGS INC
Entity Central Index Key	0001364479
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		400,286,548
Common Stock, shares issued	422,979,383	423,486,548	421,485,862