2.4.0.814071 - Disclosure - Depreciation of Revenue Earning Equipment and Lease Charges (Details 2)truefalsefalse1false USDfalsefalse$D2013Q1http://www.sec.gov/CIK0000047129duration2013-01-01T00:00:002013-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012Q1http://www.sec.gov/CIK0000047129duration2012-01-01T00:00:002012-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2012Q4YTDhttp://www.sec.gov/CIK0000047129duration2012-01-01T00:00:002012-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2011Q4YTDhttp://www.sec.gov/CIK0000047129duration2011-01-01T00:00:002011-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDfalsefalse$D2010Q4YTDhttp://www.sec.gov/CIK0000047129duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_SegmentReportingInformationLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Revenue earning equipment2false 4us-gaap_GainLossOnSaleOfLeasedAssetsNetOperatingLeasesus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse13000001300000USD$falsetruefalse2truefalsefalse3940000039400000USD$falsetruefalse3truefalsefalse9680000096800000USD$falsetruefalse4truefalsefalse112200000112200000USD$falsetruefalse5truefalsefalse-42900000-42900000USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe net gain (loss) arising from the lessor's sale of assets held- or available-for-lease under contractual arrangements classified as operating leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. false2Net gains included in adjustment of depreciation upon disposal of revenue earning equipment3false 4hzc_IncreaseDecreaseInDepreciationExpensehzc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-130600000-130600000USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the net increase (decrease) in depreciation expenses primarily due to the revision of depreciation rates on a quarterly basis, based on management's routine review of the present and estimated future market conditions and their effect on residual values at the time of disposal.No definition available.false2Net increase (decrease) in depreciation expenses4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6false USDtruefalse$D2013Q1_us-gaap_StatementBusinessSegmentsAxis_hzc_CarRentalMemberhttp://www.sec.gov/CIK0000047129duration2013-01-01T00:00:002013-03-31T00:00:00falsefalseCar Rentalus-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldihzc_CarRentalMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Car Rental5true 3us-gaap_SegmentReportingInformationLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Revenue earning equipment6false 4us-gaap_GainLossOnSaleOfLeasedAssetsNetOperatingLeasesus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-3300000-3300000USD$falsefalsefalse2truefalsefalse3490000034900000USD$falsefalsefalse3truefalsefalse8320000083200000USD$falsefalsefalse4truefalsefalse9890000098900000USD$falsefalsefalse5truefalsefalse-32900000-32900000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe net gain (loss) arising from the lessor's sale of assets held- or available-for-lease under contractual arrangements classified as operating leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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