Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Numerator:
Net loss attributable to Hertz Global Holdings, Inc. and Subsidiaries common stockholders	$ (56,333)	$ (132,615)
Denominator:
Weighted average shares used in basic computation	418,076	414,065
Weighted average shares used in diluted computation	418,076	414,065
Earnings Per Share:
Loss per share attributable to Hertz Global Holdings, Inc. and Subsidiaries' common stockholders, basic (in dollars per share)	$ (0.13)	$ (0.32)
Loss per share attributable to Hertz Global Holdings, Inc. and Subsidiaries' common stockholders, diluted (in dollars per share)	$ (0.13)	$ (0.32)
Anti-dilutive securities (in shares)	19,400,000	21,600,000