Percentage of voting equity interests acquired in the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Background (Details)	1 Months Ended
Background (Details)	Mar. 31, 2011	Mar. 31, 2012	Dec. 31, 2011 Navigation Solutions LLC
Background
Number of shares of entity's common stock sold by the Sponsors to Goldman, Sachs & Co. as the sole underwriter	50,000,000
Common stock of Hertz Holdings owned by the sponsors (as a percent)		38.00%
Acquisition
Ownership interest immediately prior to acquisition (as a percent)			65.00%
Percentage of equity interest acquired			100.00%