Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] HVF II Series 2018-1 Class A, B, C and D HVF II Series 2018-1 Class A, B, C and D [Member] HVF II Series 2018-1 Class A, B, C and D [Member] HVF II Series 2018-1 Class D HVF II Series 2018-1 Class D [Member] HVF II Series 2018-1 Class D [Member] HVF II Series 2018-1 Class A, B and C HVF II Series 2018-1 Class A, B and C [Member] HVF II Series 2018-1 Class A, B and C [Member] HVF II Series 2013-A Notes HVF II Series 2013-A Notes [Member] HVF II Series 2013-A Notes [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Outstanding principal Long-term Debt, Gross Repayments of Debt Repayments of Debt Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred Stock Preferred Stock [Member] Common Stock Shares Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Due From Affiliate Due From Affiliate [Member] Due From Affiliate [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Treasury Stock Treasury Stock [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] The Hertz Corporation The Hertz Corporation [Member] The Hertz Corporation [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance (Shares) Shares, Issued Beginning Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Change in accounting principle Cumulative Effect of New Accounting Principle in Period of Adoption January 1, 2017 (As Adjusted) Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Due from affiliate Stockholders' Equity, Due From Affiliate Stockholders' Equity, Due From Affiliate Dividends paid to Old Hertz Holdings Dividends, Common Stock to Parent This element represents the aggregate cash, stock, and paid-in-kind dividends declared for parent company shareholders during the period. Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Issuance of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Gross Net settlement on vesting of restricted stock (Shares) Shares Paid for Tax Withholding for Share Based Compensation Net settlement on vesting of restricted stock Adjustments Related to Tax Withholding for Share-based Compensation Stock-based employee compensation charges Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Exercise of stock options (Shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Common shares issued to Directors Stock Issued During Period, Value, Directors Value of stock issued during period to directors as part of stock incentive plan. Share repurchase (Shares) Stock Repurchased During Period, Shares Share Repurchase Stock Repurchased During Period, Value Capital effect of spin-off (Shares) Stockholders' Equity Note, Spinoff Transaction, Shares Stockholders' Equity Note, Spinoff Transaction, Shares Capital effect of Spin-Off Stockholders' Equity Note, Spinoff Transaction Distribution of Herc Rentals Inc. Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Other Stockholders' Equity, Other Ending Balance (Shares) Ending Balance Condensed Financial Information of Parent Company Only Disclosure [Abstract] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Hertz Global Holdings Parent Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Settlement of amount due to affiliate Dividends Statement of Financial Position [Abstract] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Vehicle Related Service Vehicle Related Service [Member] Vehicle Related Service [Member] Non-Vehicle Related Service Non-Vehicle Related Service [Member] Non-Vehicle Related Service [Member] ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Vehicle Restricted Cash and Cash Equivalents Non-vehicle, net of allowance of $42 and $36, respectively Accounts Receivable, Net Prepaid expenses and other assets Prepaid Expense and Other Assets Vehicles Property Subject to or Available for Operating Lease, Cars Property Subject to or Available for Operating Lease, Cars Less accumulated depreciation Accumulated Depreciation, Cars Accumulated Depreciation, Cars Total revenue earning vehicles, net Property Subject to or Available for Operating Lease, Net Property and equipment: Property, Plant and Equipment, Gross [Abstract] Land, buildings and leasehold improvements SEC Schedule III, Real Estate, Gross Service equipment and other Machinery and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total Property and equipment, net Property, Plant and Equipment, Net Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill Assets held for sale Assets Held-for-sale, Not Part of Disposal Group Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Total accounts payable Accounts Payable Accrued liabilities Accrued Liabilities Accrued taxes, net Taxes Payable Total debt Debt and Capital Lease Obligations Public liability and property damage Public and Property Damage Liability Carrying value of obligations as of balance sheet date for public liability and property damage on self-insured vehicles and equipment. Deferred income taxes, net Deferred Tax Liabilities, Net Liabilities held for sale Liabilities Held-for-sale, Not Part of Disposal Group Liabilities Held-for-sale, Not Part of Disposal Group Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred Stock, $0.01 par value, no shares issued and outstanding Preferred Stock, Value, Issued Common stock issued Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Due from affiliate Stockholders' Equity, Receivable From Affiliate Stockholders' Equity, Receivable From Affiliate Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Before Treasury Stock Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Before Treasury Stock Treasury Stock, at cost, 2 shares and 2 shares Treasury Stock, Value Total equity Stockholders' Equity Attributable to Parent Total liabilities and equity Liabilities and Equity VIE, total assets Variable Interest Entity, Consolidated, Carrying Amount, Assets VIE, total liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Advances to Hertz Global/Old Hertz Holdings Origination of Notes Receivable from Related Parties Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash received from the exercise of stock options Proceeds from Stock Options Exercised Net settlement on vesting of restricted stock Payments Related to Tax Withholding for Share-based Compensation Purchase of treasury shares Payments for Repurchase of Common Stock Repayments from Old Hertz Holdings Proceeds from Related Party Debt Advances to Hertz Holdings Repayments of Related Party Debt Other Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net increase (decrease) in cash and cash equivalents during the period from continuing operations Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at the beginning of period Cash and cash equivalents at end of period Supplemental disclosures of cash flow information for continuing operations: Supplemental Cash Flow Information [Abstract] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring Fair Value, Measurements, Recurring [Member] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Money market funds Money Market Funds [Member] Equity securities Equity and Other Securities [Member] Equity and Other Securities [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure -- None. No documentation exists for this element. -- Parent (The Hertz Corporation) Subsidiary Issuer [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Eliminations Consolidation, Eliminations [Member] Net change in restricted cash and cash equivalents Increase (Decrease) in Restricted Cash Revenue earning vehicles expenditures Payments to Acquire Revenue Earning Equipment Cash outflow resulting from payments for acquiring revenue earning assets which includes cars, equipment and other which are given on rentals or lease. Proceeds from disposal of revenue earning vehicles Proceeds from Sale of Revenue Earning Equipment Cash inflow resulting from proceeds from sale of revenue earning assets which includes cars, equipment and other which are given on rentals or lease. Capital asset expenditures, non-vehicle Payments to Acquire Other Property, Plant, and Equipment Proceeds from disposal of property and other equipment Proceeds from Sale of Other Property, Plant, and Equipment Proceeds from sale of Brazil Operations, net of retained cash Proceeds from Divestiture of Businesses, Net of Cash Divested Sales of shares in equity investment, net of amounts invested Payments for (Proceeds from) Businesses and Interest in Affiliates Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Other Payments for (Proceeds from) Other Investing Activities Capital contributions to subsidiaries Capital Contributions to Subsidiaries The cash outflow associated with capital contributions to subsidiaries. Return of capital from subsidiaries Proceeds from Equity Method Investment, Distribution, Return of Capital Loan to Parent/Guarantor from Non-Guarantor Proceeds From (Payment Of) Loan to Parent from Non Guarantor from Investing Activities Represents the (cash inflow from) loan to parent from non-guarantor from investing activities. Net cash provided by (used in) investing activities Proceeds from issuance of debt Proceeds from Issuance of Debt Repayments of debt Payment of financing costs Payments of Financing Costs Early Repayment of Senior Debt Early Repayment of Senior Debt Transfers from discontinued entities Transfer From Discontinued Operations Transfer From Discontinued Operations Capital contributions received from parent Proceeds from Contributions from Parent Loan to Parent/Guarantor from Non-Guarantor Increase (Decrease) in Due to Affiliates Payment of dividends and return of capital Payment of Dividends and Return of Capital Payment of Dividends and Return of Capital Net cash provided by (used in) financing activities Effect of foreign currency exchange rate changes on cash and cash equivalents from continuing operations Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Cash flows provided by (used in) operating activities Cash Provided by (Used in) Operating Activities, Discontinued Operations Cash flows provided by (used in) investing activities Cash Provided by (Used in) Investing Activities, Discontinued Operations Cash flows provided by (used in) financing activities Cash Provided by (Used in) Financing Activities, Discontinued Operations Effect of foreign currency exchange rate changes on cash and cash equivalents of discontinued operations Effect of Exchange Rate on Cash and Cash Equivalents, Discontinued Operations Net increase (decrease) in cash and cash equivalents during the period from discontinued operations Net Cash Provided by (Used in) Discontinued Operations Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Us Fleet Medium Term Notes 2017 Series 2 Us Fleet Medium Term Notes 2017 Series 2 [Member] Us Fleet Medium Term Notes 2017 Series 2 [Member] Senior Loans Senior Loans [Member] Senior credit facility Senior Credit Facility [Member] Represents the senior credit facility. Corporate Debt Corporate Debt Securities [Member] Senior Term Facility Senior Term Facility [Member] Represents the senior term facility. Senior ABL Facility Senior Assets Based Line of Credit Facility [Member] Represents the senior asset backed line of credit facility. Senior Notes Senior Notes [Member] Senior Second Priority Secured Notes Senior Second Priority Secured Notes [Member] Senior Second Priority Secured Notes [Member] Promissory Notes Notes Payable, Other Payables [Member] Other Corporate Debt Other Corporate Debt [Member] Represents other corporate debt not otherwise separately disclosed in the taxonomy. Fleet Debt Fleet Debt [Member] Represents the fleet debt. U.S. Fleet Medium Term Notes Us Fleet Variable Medium Term Notes [Member] Represents the U.S. fleet medium term notes. HVF Series 2010-1 Us Fleet Medium Term Notes 2010 Series 1 [Member] Represents the U.S. fleet medium term notes series 2010-1 notes. HVF Series 2011-1 Us Fleet Medium Term Notes 2011 Series 1 [Member] Represents the U.S. fleet medium term notes series 2011-1 notes. HVF Series 2013-1 US Fleet Medium Term Notes 2013 Series 1 [Member] US Fleet Medium Term Notes 2013 Series 1 [Member] HVF II U.S. ABS Program HVF II U.S. ABS Program [Member] HVF II U.S. ABS Program [Member] HVF II Series 2013-A, Class A HVF II Series 2013-A Notes, Class A [Member] HVF II Series 2013-A Notes, Class A [Member] HVF II Series 2013-B, Class A HVF II Series 2013-B Notes, Class A [Member] HVF II Series 2013-B Notes, Class A [Member] HVF II Series 2014-A, Class A HVF II Series 2014-A Notes, Class A [Member] HVF II Series 2014-A Notes, Class A [Member] HVF II Us Fleet Variable Medium Term Notes HVF II Us Fleet Variable Medium Term Notes [Member] HVF II Us Fleet Variable Medium Term Notes [Member] HVF II Series 2015-1 Us Fleet Medium Term Notes 2015 Series 1 [Member] Us Fleet Medium Term Notes 2015 Series 1 [Member] HVF II Series 2015-2 Us Fleet Medium Term Notes 2015 Series 2 [Member] Us Fleet Medium Term Notes 2015 Series 2 [Member] HVF II Series 2015-3 Us Fleet Medium Term Notes 2015 Series 3 [Member] Us Fleet Medium Term Notes 2015 Series 3 [Member] HVF II Series 2016-1 Us Fleet Medium Term Notes 2016 Series 1 [Member] Us Fleet Medium Term Notes 2016 Series 1 [Member] HVF II Series 2016-2 Us Fleet Medium Term Notes 2016 Series 2 [Member] Us Fleet Medium Term Notes 2016 Series 2 [Member] HVF II Series 2016-3 Us Fleet Medium Term Notes 2016 Series 3 [Member] Us Fleet Medium Term Notes 2016 Series 3 [Member] HVF II Series 2016-4 Us Fleet Medium Term Notes 2016 Series 4 [Member] Us Fleet Medium Term Notes 2016 Series 4 [Member] Donlen ABS Program Donlen ABS Program [Member] Donlen ABS Program [Member] HFLF Series 2013-2 Notes HFLF Series 2013-2 Notes [Member] HFLF Series 2013-2 Notes [Member] HFLF Medium Term Notes HFLF Medium Term Notes [Member] HFLF Medium Term Notes [Member] HFLF Series 2013-A Notes HFLF Series 2013-A Notes [Member] HFLF Series 2013-A Notes [Member] HFLF Series 2014-1 Notes HFLF Series 2014-1 Notes [Member] HFLF Series 2014-1 Notes [Member] HFLF Series 2015-1 Notes HFLF Series 2015-1 Notes [Member] HFLF Series 2015-1 Notes [Member] HFLF Series 2016-1 Notes HFLF Series 2016-1 Notes [Member] HFLF Series 2016-1 Notes [Member] HFLF Series 2017-1 Notes HFLF Series 2017-1 Notes [Member] HFLF Series 2017-1 Notes [Member] Other Fleet Debt Other Fleet Debt [Member] Represents other fleet debt not otherwise separately disclosed in the taxonomy. U.S. Vehicle RCF US Fleet Revolving Credit Facility [Member] US Fleet Revolving Credit Facility [Member] European Revolving Credit Facility European Revolving Credit Facility [Member] Represents the European revolving credit facility. European Fleet Notes European Fleet Notes [Member] Represents the European fleet notes. 4.375% Senior Notes due January 2019 European Fleet Notes, 4.375 Percent, Due January 2019 [Member] European Fleet Notes, 4.375 Percent, Due January 2019 [Member] 4.125% Senior Notes due October 2021 European Fleet Notes, 4.125 Percent, Due October 2021 [Member] European Fleet Notes, 4.125 Percent, Due October 2021 [Member] European Securitization European Securitization [Member] Represents the European securitization. Canadian Securitization Canadian Securitization [Member] Represents the Canadian securitization. Australian Securitization Australian Securitization [Member] Represents the Australian securitization. New Zealand Revolving Credit Facility New Zealand Revolving Credit Facility [Member] New Zealand Revolving Credit Facility [Member] UK Leveraged Financing UK Leveraged Financing [Member] UK Leveraged Financing [Member] Capitalized Leases Capital Lease Obligations [Member] Us Fleet Medium Term Notes 2017 Series 1 Us Fleet Medium Term Notes 2017 Series 1 [Member] Us Fleet Medium Term Notes 2017 Series 1 [Member] 4.25% Senior Notes due April 2018 Senior Notes 4 Point 25 Percent Due April 2018 [Member] Senior Notes 4 Point 25 Percent Due April 2018 [Member] 6.75% Senior Notes due April 2019 Senior Notes 6 Point 75 Percent Due April 2019 [Member] Represents the 6.75 percent senior notes due in April 2019. 5.875% Senior Notes due October 2020 Senior Notes 5 Point 875 Percent Due October 2020 [Member] Senior Notes 5 Point 875 Percent Due October 2020 [Member] 7.375% Senior Notes due January 2021 Senior Notes 7 Point 375 Percent Due January 2021 [Member] Represents the 7.375 percent senior notes due in January 2021. 6.25% Senior Notes due October 2022 Senior Notes 6.250 Percent Due 2022 [Member] Senior Notes 6.250 Percent Due 2022 [Member] 5.50% Senior Notes due October 2024 Senior Notes 5.50 Percent Due 2024 [Member] Senior Notes 5.50 Percent Due 2024 [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Forecast Scenario, Forecast [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Average interest rate (as a percent) Debt, Weighted Average Interest Rate Unamortized Debt Issuance Costs and Net (Discount) Premium Debt Instrument, Unamortized Discount (Premium), Net Interest rate Debt Instrument, Interest Rate, Stated Percentage Repayments of debt Foreign currency exchange rate, translation Foreign Currency Exchange Rate, Translation Accounting Policies [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Award requisite service period Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Restructuring and Related Activities [Abstract] Summary of restructuring charges in consolidated statement of operations Restructuring and Related Costs [Table Text Block] Schedule of activity affecting the restructuring accrual Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Revenue Earning Vehicles [Abstract] -- None. No documentation exists for this element. -- Revenue Earning Vehicles Disclosure of Depreciation on Revenue Earning Equipment and Lease Charges [Text Block] This element encapsulates the entire disclosure pertaining to depreciation of revenue earning equipment and lease charges. Revenue earning equipment includes cars, equipment and other equipment which are given on rental or lease. Lease charges include rents paid for vehicles leased. Leases [Abstract] Schedule of lease expenses Schedule of Rent Expense [Table Text Block] Schedule of minimum obligations under existing agreements Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Retirement Benefits [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] U.S. Plan Domestic Plan [Member] Non-U.S. Foreign Plan [Member] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Cash Cash [Member] Short Term Investments Short-term Investments [Member] US Large Cap Equity Securities US Large Cap Equity Securities [Member] Represents the information pertaining to U.S. large-cap equity securities. US Mid Cap Equity Securities US Mid Cap Equity Securities [Member] Represents the information pertaining to U.S. mid-cap equity securities. US Small Cap Equity Securities US Small Cap Equity Securities [Member] Represents the information pertaining to U.S. small-cap equity securities. International Large Cap Foreign Large Cap Equity Securities [Member] Represents the information pertaining to foreign large-cap equity securities. International Emerging Markets International Emerging Markets [Member] International Emerging Markets [Member] Asset-Backed Securities Asset-backed Securities [Member] US Treasuries US Treasury Securities [Member] Corporate Bonds Corporate Bond Securities [Member] Government Bonds US Government Debt Securities [Member] Municipal Bonds Municipal Bonds [Member] Real Estate Bonds Real Estate Investment Trust [Member] Represents the information pertaining to investments in real estate investment trusts (REITs). Amounts associated with discontinued operations (yet to be transferred) Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] Diversified Growth Funds Diversified Growth Funds [Member] Diversified Growth Funds [Member] U.K. Equities UK Equity Securities [Member] Represents the information pertaining to UK equity securities. Overseas Equities Foreign Overseas Equity Securities [Member] Represents the information pertaining to overseas equity market securities. Foreign Overseas Corporate Bond Securities Foreign Overseas Corporate Bond Securities [Member] Represents the information pertaining to overseas corporate bond securities. Index-Linked Gilts-Stocks Index Linked Gilts Stocks [Member] Represents the information pertaining to index linked gilts-stocks. Liability Driven Investments Liability Driven Investments [Member] Liability Driven Investments [Member] Liquidity Fund Liquidity Fund [Member] Liquidity Fund [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Total fair value of pension plan assets Defined Benefit Plan, Fair Value of Plan Assets Restructuring Restructuring and Related Activities Disclosure [Text Block] Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Treasury stock, shares Treasury Stock, Shares Treasury Stock, Value Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table] Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table] Disclosure of the carrying value of amortizable finite-lived intangible assets, including the disclosure of the carrying value of indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. Fair Value, Measurements, Nonrecurring Fair Value, Measurements, Nonrecurring [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] U.S. Car Rental U.S. Car Rental [Member] U.S. Car Rental [Member] Finite Lived and Indefinite Lived Intangible Assets by Major Class [Axis] Finite Lived and Indefinite Lived Intangible Assets by Major Class [Axis] Represents the name of each major class of finite-lived and indefinite-lived intangible assets by such attributes as gross and net carrying amount, accumulated amortization and weighted average useful life. Finite Lived and Indefinite Lived Intangible Assets by Major Class [Domain] Finite Lived and Indefinite Lived Intangible Assets by Major Class [Domain] The major class of finite-lived and indefinite-lived intangible assets. Trade name Trade Names [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] HERC HERC [Member] HERC [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer-related Customer Relationships [Member] Concession rights Concession Agreement [Member] Represent the details pertaining to concession agreements. Technology-based intangibles Technology-Based Intangible Assets [Member] Other intangible assets Other Intangible Assets [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Other indefinite-lived intangible assets Franchise Rights [Member] Disclosure of other intangible assets Finite Lived and Indefinite Lived Intangible Assets [Line Items] -- None. No documentation exists for this element. -- Impairment of indefinite-lived intangible assets Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Amortization of intangible assets Amortization of Intangible Assets Amortizable intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying Value Finite-Lived Intangible Assets, Net Indefinite-lived intangible assets: Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract] Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Total Other intangible assets Intangible Assets, Net (Excluding Goodwill) [Abstract] Gross Carrying Amount Intangible Assets Excluding Goodwill Gross Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all finite-lived and indefinite-lived intangible assets having statutory or estimated useful lives. Net Carrying Value Liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities Valuation and Qualifying Accounts [Abstract] SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] French Road Tax French Road Tax [Member] French Road Tax [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Liability recorded for public liability and property damage matters Accumulated Other Comprehensive Income [Abstract] Accumulated Other Comprehensive Income [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Extinguishment of Debt [Axis] Extinguishment of Debt [Axis] Extinguishment of Debt, Type [Domain] Extinguishment of Debt, Type [Domain] Loans Payable Loans Payable [Member] HVF II Series 2015-2 Class D Notes HVF II Series 2015-2 Class D Notes [Member] HVF II Series 2015-2 Class D Notes [Member] HVF II Series 2015-3 Class D Notes HVF II Series 2015-3 Class D Notes [Member] HVF II Series 2015-3 Class D Notes [Member] HVF II Series 2016-1 Class D Notes HVF II Series 2016-1 Class D Notes [Member] HVF II Series 2016-1 Class D Notes [Member] HVF II Series 2016-2 Class D Notes HVF II Series 2016-2 Class D Notes [Member] HVF II Series 2016-2 Class D Notes [Member] HVF II Series 2016-3 Class D Notes HVF II Series 2016-3 Class D Notes [Member] HVF II Series 2016-3 Class D Notes [Member] HVF II Series 2016-4 Class D Notes HVF II Series 2016-4 Class D Notes [Member] HVF II Series 2016-4 Class D Notes [Member] Total HVF II US Fleet Variable Funding Notes [Member] HVF II US Fleet Variable Funding Notes [Member] Debt sold Debt Sold to Third Parties, Amount Debt Sold to Third Parties, Amount Brazil Operations Property, Plant, and Equipment, Fair Value Disclosure Impairment of long-lived assets held-for-use, Total loss adjustment Impairment of Long-Lived Assets Held-for-use Long-lived assets held for sale Assets Held-for-sale, Long Lived, Fair Value Disclosure Long-lived assets held for sale, Total loss adjustments Impairment of Long-Lived Assets to be Disposed of Intangible assets Liabilities held for sale, Total loss adjustments Disposal Group, Including Discontinued Operation, Liabilities, Impairment Disposal Group, Including Discontinued Operation, Liabilities, Impairment Schedule of Goodwill [Table] Schedule of Goodwill [Table] International Car Rental International Car Rental [Member] International Car Rental [Member] All Other Operations Other Segments [Member] Changes in goodwill, by segment Goodwill [Line Items] Goodwill Goodwill [Roll Forward] Balance at the beginning of the period, Goodwill Goodwill, Gross Accumulated impairment losses at the beginning of the period Goodwill, Impaired, Accumulated Impairment Loss Net goodwill, balance at the beginning of the period Impairment losses during the period Goodwill, Impairment Loss Other changes during the period Goodwill, Translation and Purchase Accounting Adjustments Total Goodwill, Period Increase (Decrease) Balance at the end of the period, Goodwill Accumulated impairment losses at the end of the period Net goodwill, balance at the end of the period Business Combinations [Abstract] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Debt Debt Disclosure [Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Benefits Pension Plan [Member] Postretirement Benefits Other Postretirement Benefits Plan [Member] Multiemployer Benefit Plans, Disclosures [Axis] Multiemployer Benefit Plans, Disclosures [Axis] Reflects the description and required disclosures pertaining to the entity's multiemployer pension plans, by plan or groupings of similar plans. Multiemployer Benefit Plans, Disclosures [Domain] Multiemployer Benefit Plans, Disclosures [Domain] The name of the multiemployer plan, or a description of the plans grouped. Western Conference of Teamsters Western Conference of Teamsters Pension Fund [Member] Represents the Western Conference of Teamsters Pension Fund, a multiemployer plan of the entity. Other Plans Other Seven Plans in Aggregate [Member] Represents the seven other Pension Fund, a multiemployer plan of the entity. Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] 2018 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2019 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2020 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Five After 2022 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Total Defined Benefit Plan, Expected Future Benefit Payments Represents the amount of the aggregate benefits expected to be paid. Other Plans [Abstract] Other Plans [Abstract] Other Plans [Abstract] Aggregate period contributions Multiemployer Plan, Contributions by Employer Schedule of Estimated Useful Lives of Depreciable Assets Schedule of Estimated Useful Lives of Depreciable Assets [Table Text Block] Tabular disclosure of estimated useful lives of assets based on which provisions for depreciation and amortization are computed on a straight-line basis. Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Contingencies and Off-Balance Sheet Commitments Commitments Contingencies and Guarantees [Text Block] Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Scenario, Previously Reported Scenario, Previously Reported [Member] Restatement Adjustment Restatement Adjustment [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Total equity Total liabilities and equity Schedule I Condensed Financial Information of Registrant Condensed Financial Information of Parent Company Only Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Option Equity Option [Member] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Weighted-average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Change in Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at the beginning of the year Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Employee contributions Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Plan curtailments Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Plan settlements Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Foreign currency exchange rate translation Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Transfers in connection with the Spin-Off Defined Benefit Plan, Benefit Obligation, Divestiture Benefit obligation at the end of the year Change in Plan Assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value of plan assets at the beginning of the year Actual return of plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Company contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Employee contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Plan settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Foreign currency exchange rate translation Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Transfers in connection with the Spin-Off Defined Benefit Plan, Plan Assets, Divestiture Amounts associated with discontinued operations (yet to be transferred) Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Fair value of plan assets at the end of the year Funded Status of the Plan Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Plan assets less than benefit obligation Defined Benefit Plan, Funded (Unfunded) Status of Plan Schedule of Property Subject to or Available for Operating Lease [Table] Schedule of Property Subject to or Available for Operating Lease [Table] The disclosure related to the property under a leasing agreement, and available for lease. Revenue earning equipment Segment Reporting Information [Line Items] Net increase (decrease) in depreciation expense Increase (Decrease) in Depreciation Expense Represents 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. Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Fair Value, Measurements, Nonrecurring Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Brazil Operations Brazil Operations [Member] Brazil Operations [Member] Dollar Thrifty Dollar Thrifty Automotive Group Inc [Member] Dollar Thrifty Automotive Group Inc [Member] Eminent Domain Case Eminent Domain Case [Member] Eminent Domain Case [Member] Corporate Corporate, Non-Segment [Member] Operating Segments Operating Segments [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Purchase accounting Purchase Accounting [Member] Represents the purchase accounting effects of the acquisition on the results of operations relating to increased depreciation and amortization of tangible and intangible assets and accretion of revalued workers' compensation and public liability and property damage liabilities. Also represents the purchase accounting effects of subsequent acquisitions on the results of operations relating to increased amortization of intangible assets. Debt-related charges Non Cash Debt Charges [Member] Represents non-cash debt charges relating to the amortization and write-off of deferred debt financing costs and debt discounts. Restructuring charges Restructuring Charges [Member] Loss on extinguishment of debt Loss On Extinguishment of Debt [Member] Loss On Extinguishment of Debt [Member] Sale of CAR, Inc. common stock Sale of CAR, Inc. Common Stock [Member] Sale of CAR, Inc. Common Stock [Member] Impairment charges Impairment in Value of Assets [Member] Represents amount of the charge against earnings resulting from the aggregate write down of an asset to an amount that can be expected to be realized or recovered. Finance and Information Technology Transformation Costs Finance and Information Technology Transformation Costs [Member] Finance and Information Technology Transformation Costs [Member] Other Other Income (Expense) [Member] Other Income (Expense) [Member] Direct vehicle and operating Direct Operating Expense [Member] The allocation (or location) of expense to (in) direct operating costs. Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Other (income) expense Other Nonoperating Income (Expense) [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Consulting and Legal fees related to accounting review and investigation Restructuring Consultant Costs [Member] Represents consultation costs associated with the exit from or disposal of business activities or restructurings pursuant to a plan. Company Headquarter Relocation Company Headquarter Relocation [Member] Company Headquarter Relocation [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Held-for-sale Discontinued Operations, Held-for-sale [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Equipment Equipment [Member] Dollar Thrifty Headquarters Building and Building Improvements [Member] Buildings Building [Member] Held For Sale, Corporate Asset Held For Sale, Corporate Asset [Member] Held For Sale, Corporate Asset [Member] Senior Revolving Credit Facility Senior Revolving Credit Facility [Member] Senior Revolving Credit Facility [Member] 7.50% Senior Notes due October 2018 Senior Notes 7 Point 50 Percent Due October 2018 [Member] Represents the 7.50 percent senior notes due in October 2018. Adjusted pretax income Income (Loss) from Continuing Operations, Including Adjustments to Pre-Tax Income Income (Loss) from Continuing Operations, Including Adjustments to Pre-Tax Income Income (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Legal and advisory professional fees Restructuring Costs Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Write off of deferred debt issuance cost Write off of Deferred Debt Issuance Cost Impairment losses during the period Other than temporary impairment Equity Method Investment, Other than Temporary Impairment Impairment charges and asset write-downs Asset Impairment Charges Gain (Loss) on disposal Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Realized gain (loss) on disposal Equity Method Investment, Realized Gain (Loss) on Disposal Claims paid Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid Segment Reconciling Items Segment Reconciling Items [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Outside United States Outside United States [Member] Outside United States [Member] Reconciliation of adjusted pre-tax income to income (loss) before income taxes Segment Reporting, Revenue Reconciling Item [Line Items] Number of reportable segments Number of Reportable Segments Revenues Revenues Depreciation of revenue earning vehicles and lease charges, net Cost of Services Depreciation and Lease Charges Represents expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life. It further includes lease charges paid during the reporting period. Depreciation and amortization, non-vehicle assets Depreciation, Nonproduction Interest expense, net Interest Income (Expense), Net Revenue earning vehicles, net Property and equipment, net Total assets at end of year Revenue earning vehicles and capital assets, non-vehicle Payments for (Proceeds from) Productive Assets [Abstract] Expenditures Payments to Acquire Revenue Earning Equipment and Productive Assets The cash outflow resulting from payments for acquiring revenue earning assets which includes cars, equipment and other which are given on rentals or lease, and the cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Proceeds from disposals Proceeds from Sale of Revenue Earning Equipment and Productive Assets Cash inflow resulting from proceeds from sale of revenue earning assets which includes cars, equipment and other which are given on rentals or lease, and the cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. Net expenditures - Hertz Global and Hertz Payments for (Proceeds from) Productive Assets Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Other Immaterial Errors Other Immaterial Errors [Member] Other Immaterial Errors [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Difference between Revenue Guidance in Effect before and after Topic 606 Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Tax Cuts and Jobs Act of 2017 change in tax rate, income tax (expense) benefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Income tax (provision) benefit Income Tax Expense (Benefit) Revenue earning vehicles expenditures Long-lived assets useful life Property, Plant and Equipment, Useful Life Finite-lived intangible assets, useful life Finite-Lived Intangible Asset, Useful Life Maturity period for highly liquid investments to be classified as cash and cash equivalents Cash and Cash Equivalents, Maximum Maturity Period Represents the maturity period of cash equivalents of the entity. Advertising expense Advertising Expense Increase in deferred revenue, impact from adoption of Topic 606 Revenue, Initial Application Period Cumulative Effect Transition, Estimated Increase Revenue, Initial Application Period Cumulative Effect Transition, Estimated Increase Cash and cash equivalents, period increase Receivables, allowance for doubtful accounts (in dollars) Allowance for Doubtful Accounts Receivable Preferred Stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred Stock, shares issued Preferred Stock, Shares Issued Preferred Stock, shares outstanding Preferred Stock, Shares Outstanding Common Stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common Stock, shares authorized Common Stock, Shares Authorized Common Stock, shares issued Common Stock, Shares, Issued Common Stock, shares outstanding Common Stock, Shares, Outstanding Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Termination benefits Employee Severance [Member] Impairments and asset write-downs Asset Impairment [Member] The charge against earnings resulting from the aggregate write down of an asset to an amount that can be expected to be realized or recovered. Facility closure and lease obligation costs Facility Closing and Lease Obligation Cost [Member] Closing of a facility and lease obligation cost associated with exit from or disposal of business activities or restructurings pursuant to a plan. Other Other Restructuring Costs [Member] Represents other charges associated with the exit from or disposal of business activities or restructurings pursuant to a plan. Selling, general and administrative Selling, General and Administrative Expense [Member] The allocation (or location) of expense to (in) selling, general and administrative expenses. Restructuring details Restructuring Cost and Reserve [Line Items] Restructuring reserve programs initiated Restructuring Reserve, Current Restructuring charges Restructuring Charges Expected duration for payment of restructuring obligations Restructuring and Related Activities Liability Payment Period The period (in months) over which the remaining restructuring obligations are expected to be paid. Restructuring reserve Restructuring Reserve [Roll Forward] Restructuring reserve, Balance at beginning of period Restructuring Reserve Charges incurred Restructuring and Related Cost, Incurred Cost Cash payments Payments for Restructuring Other non-cash changes Restructuring Reserve, Settled without Cash Restructuring reserve, Balance at end of period Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation of revenue earning vehicles, net Cost of Services Depreciation as Adjusted for Gain (Loss) upon Disposal The expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life, as adjusted to include the gain or loss on the disposal of revenue earning equipment. Depreciation and amortization, non-vehicle Amortization of Debt Issuance Costs and Discounts Amortization of Debt Issuance Costs and Discounts Stock-based compensation charges Share-based Compensation Provision for receivables allowance Provision for Doubtful Accounts Deferred income taxes, net Deferred Income Tax Noncash Expense (Benefit) The noncash component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. (Gain) loss on sale of shares in equity investment Gain (Loss) on Sale of Investments Other Other Operating Activities, Cash Flow Statement Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Non-vehicle receivables Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Inventories, Prepaid Expense and Other Assets The net change during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities and the net change during the reporting period in the value of this group of assets within the working capital section. Non-vehicle accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Accrued taxes, net Increase (Decrease) in Income Taxes Payable Public liability and property damage Increase (Decrease) in Public Liability and Property Damage The net change during the reporting period in the liability for public liability and property damage expenses incurred but not paid. Net cash provided by (used in) operating activities Net change in restricted cash and cash equivalents, vehicle Payments for (Proceeds from) Other Investing Activities Early redemption premium payment Cash flows from discontinued operations: Net Cash Provided by (Used in) Discontinued Operations [Abstract] Net increase (decrease) in cash and cash equivalents during the period from discontinued operations Cash paid during the period for: Cash Flow Cash Paid During Period [Abstract] -- None. No documentation exists for this element. -- Interest, net of amounts capitalized Interest Paid, Net Income taxes, net of refunds Income Taxes Paid Supplemental disclosures of non-cash information for continuing operations: Supplemental Cash Flow Elements [Abstract] Purchases of revenue earning vehicles included in accounts payable and accrued liabilities Purchases of Revenue Earning Equipment Incurred but not Yet Paid Future cash outflow to pay for purchases of revenue earning equipment that have occurred. Sales of revenue earning vehicles included in receivables Sales of Revenue Earning Equipment Earned but not Received Future cash inflow resulting from the sale of revenue earning equipment. Purchases of property and other equipment included in accounts payable Capital Expenditures Incurred but Not yet Paid Consideration for equity investment Noncash or Part Noncash Divestiture, Amount of Consideration Received Sales of property and other equipment included in receivables Sales of Property and Equipment Earned but not Received Future cash inflow resulting from the sale of property and equipment. Revenue earning vehicles and property and equipment acquired through capital lease Capital Lease Obligations Incurred Non-cash dividend paid to affiliate Summary of the total compensation expense and associated recognized income tax benefits Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of option activity under the stock incentive plan and omnibus plan Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of non-vested options and changes during the year Schedule of Share Based Compensation Nonvested Stock Options Activity [Table Text Block] Tabular disclosure of the number, weighted-average exercise prices (or conversion ratios) and weighted-average grant date fair value for non-vested share options (or share units) that were outstanding at the beginning and end of the year, and the number of non-vested share options or share units that were granted, vested, and were forfeited during the year. Schedule of additional information pertaining to option activity under the plans Schedule of Share Based Payment Awards, Additional Stock Option Activity [Table Text Block] Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period as well as the fair value of options that vested. Summary of PSU and RSU activity under the omnibus plan Schedule of Share Based Compensation Restricted Stock Units and Performance Based Units Activity [Table Text Block] Tabular disclosure of the number, and weighted-average grant date fair value for restricted stock units and performance stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units and performance stock units that were granted, vested, forfeited, and expired during the year. Schedule of additional information pertaining to RSU activity Schedule of Share Based Compensation Restricted Stock Units and Performance Based Units Additional Information [Table Text Block] Tabular disclosure of the additional information pertaining to restricted stock unit and performance stock unit activity. Quarterly Financial Information Disclosure [Abstract] Schedule of Quarterly Operating Results Quarterly Financial Information [Table Text Block] Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure [Abstract] Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure [Abstract] Total revenues Expenses: Costs and Expenses [Abstract] Direct vehicle and operating Direct Operating Costs Depreciation of revenue earning vehicles and lease charges, net Selling, general and administrative Selling, General and Administrative Expense Goodwill and intangible asset impairments Goodwill and Intangible Asset Impairment Other (income) expense, net Other Nonoperating Income (Expense) Total expenses Cost and Expenses, Including Interest Expense Total costs of sales, operating expenses, Interest and other expense for the period. Income (loss) from continuing operations before income taxes and equity in earnings (losses) of subsidiaries (Provision) benefit for taxes on income (loss) of continuing operations Equity in earnings (losses) of subsidiaries, net of tax Income (Loss) from Equity Method Investments Net income (loss) from continuing operations Other comprehensive income (loss), net of tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings Per Share [Abstract] Equity and Earnings (Loss) Per Share - Hertz Global Earnings Per Share [Text Block] Receivables, net of allowance Due from related parties Due from Related Parties Revenue earning vehicles, net Property and equipment, net Investment in subsidiaries, net Investments in Subsidiaries Represents the investments in consolidated subsidiaries. Due to affiliates Due to Affiliate Debt Deferred income taxes, net Total liabilities Stockholder's equity Investments in subsidiaries Deferred income taxes, net Deferred Income Tax Assets, Net Common Stock, $0.01 par value, 86 and 85 shares issued and 84 and 83 shares outstanding Accumulated deficit Preferred Stock, shares authorized Preferred Stock, Shares Authorized Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Hertz Global Holdings Hertz Global Holdings [Member] Represents information pertaining to Hertz Global Holdings, Inc. (previously known as CCMG Holdings, Inc.), which is the ultimate parent company of the entity. Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Stock split, conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Treasury stock value Letters of credit facility Letter of Credit [Member] US Vehicle RCF US Vehicle RCF [Member] US Vehicle RCF [Member] HVF II U.S. Vehicle Variable Funding Notes HFLF Variable Funding Notes HFLF Variable Funding Notes [Member] HFLF Variable Funding Notes [Member] Remaining capacity Line of Credit Facility, Remaining Borrowing Capacity Availability under borrowing base limitation Debt Instrument, Unused Borrowing Capacity, Amount Components of Debt Schedule of Debt [Table Text Block] Schedule of extinguishment of debt Schedule of Extinguishment of Debt [Table Text Block] Components of maturities of debt Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of facilities available for the use of the company and its subsidiaries Schedule of Revolving Credit Facility [Table Text Block] Tabular disclosure of information pertaining to revolving credit facilities, including but not limited to identification of terms, features, collateral requirements, borrowing capacity, availability and other information necessary to a fair presentation. Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Condensed Income Statement Condensed Income Statement [Table Text Block] Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Subsequent Events Subsequent Events [Text Block] Discontinued Operations and Disposal Groups [Abstract] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Discontinued Operations Discontinued Operations [Member] Old Hertz Holdings' Worldwide Equipment Rental Old Hertz Holdings' Worldwide Equipment Rental [Member] Old Hertz Holdings' Worldwide Equipment Rental [Member] Senior ABL Facility Senior ABL Facility [Member] Senior ABL Facility [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Total revenues Disposal Group, Including Discontinued Operation, Revenue Direct operating expenses Disposal Group, Including Discontinued Operation, Operating Expense Depreciation of revenue earning equipment and lease charges, net Disposal Group, Including Discontinued Operation, Depreciation and Amortization Selling, general and administrative Disposal Group, Including Discontinued Operation, General and Administrative Expense Interest expense, net Disposal Group, Including Discontinued Operation, Interest Expense Other (income) expense, net Disposal Group, Including Discontinued Operation, Other (Income) Expense, Net Disposal Group, Including Discontinued Operation, Other (Income) Expense, Net Income (loss) from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax (Provision) benefit for taxes on discontinued operations Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal Net income (loss) from discontinued operations Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Property, Plant and Equipment [Abstract] Tangible Asset Impairments and Asset Write-downs Asset Impairment Charges [Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Pension and Other Post-Employment Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Foreign Currency Items Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unrealized Losses on Terminated Net Investment Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Realized/Unrealized Gains on Available for Sale Securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Other comprehensive income (loss) before reclassification Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Receivables allowances: Allowance For Receivables [Member] Allowance For Receivables [Member] Tax valuation allowances: Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Valuation and Qualifying Accounts Disclosure [Line Items] Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward] Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward] Balance at Beginning of Period Valuation Allowances and Reserves, Balance Additions, Charged to Expense Valuation Allowances and Reserves, Additions for Charges to Cost and Expense Additions, Translation Adjustments Valuation Allowances and Reserves, Additions for Adjustments Deductions Valuation Allowances and Reserves Deductions, Net of Recoveries Represents the total of deductions (netted of recoveries) during a given period to allowances and reserves, the valuation and qualifying accounts that are netted of total of recoveries of amounts due to the entity and that had previously been written off as uncollectible using allowances or either was netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized respectively. Balance at End of Period Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Unrealized holding gains (losses) on securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Reclassification of realized gain on securities to other (income) expense Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Realized Gain Sale of Securities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Realized Gain Sale of Securities Reclassification of foreign currency items to other (income) expense, net Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Net gain (loss) on defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Reclassification from other comprehensive income (loss) to selling, general and administrative expense for amortization of actuarial (gains) losses on defined benefit pension plans Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Total other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), before Tax Income tax (provision) benefit related to net gains and losses on defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Income tax (provision) benefit related to reclassified amounts of net periodic costs on defined benefit pension plans Other Comprehensive Income (Loss), Tax Total other comprehensive income (loss) Total comprehensive income (loss) Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net income (loss) from discontinued operations Net income (loss) Denominator: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Basic Stock options, RSUs and PSUs (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares used to calculate diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Antidilutive stock options, RSUs, PSUs and conversion shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Earnings (loss) per share: Earnings Per Share, Calculated [Abstract] -- None. No documentation exists for this element. -- Basic earnings (loss) per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Basic earnings (loss) per share from discontinued operations (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Basic earnings (loss) per share (in dollars per share) Earnings Per Share, Basic Diluted earnings (loss) per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Diluted earnings (loss) per share from discontinued operations (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Diluted Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Certain Hertz Branded Franchises Certain Hertz Branded Franchises [Member] Certain Hertz Branded Franchises [Member] Acquisition Business Acquisition [Line Items] Business Combination, Acquisition Related Costs Business Combination, Acquisition Related Costs Payments to acquire business Payments to Acquire Businesses, Gross Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Revenue earning vehicles Property Subject to or Available for Operating Lease, Gross Less: Accumulated depreciation Property Subject to or Available for Operating Lease, Accumulated Depreciation Property Subject to or Available for Operating Lease, Excluding Assets Held for Sale Property Subject to or Available for Operating Lease, Excluding Assets Held for Sale Property Subject to or Available for Operating Lease, Excluding Assets Held for Sale Revenue earning vehicles held for sale, net Assets Held-for-sale, Not Part of Disposal Group, Current, Other Depreciation of revenue earning vehicles Cost of Services, Depreciation (Gain) loss on disposal of revenue earning equipment Gain (Loss) on Sale of Leased Assets, Net, Operating Leases Rents paid for vehicles leased Operating Leases, Rent Expense Depreciation of revenue earning vehicles and lease charges, net Costs of vehicle sales operations Other Cost of Services Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Stock Incentive Plan and Omnibus Plan Stock Incentive Plan and Omnibus Plan [Member] Stock Incentive Plan and Omnibus Plan [Member] Non-vested Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Non-vested beginning balance (in shares) Share Based Compensation Arrangement by Share Based Payment Award, Options Nonvested Number The number of non-vested stock options that validly exist and are outstanding as of the balance sheet date. Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Vested (in shares) Share Based Compensation Arrangement by Share Based Payment Award, Options Vested in Period The number of stock options that vested during the reporting period. Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Non-vested ending balance (in shares) Non-vested Options, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Non-vested beginning balance (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options Nonvested Weighted Average Exercise Price The weighted-average exercise price of non-vested options that are outstanding as of the balance sheet date under the stock option plans. Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Vested (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Non-vested ending balance (in dollars per share) Options Nonvested Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Non-vested beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value Non-vested ending balance (in dollars per share) Equity Securities Equity Securities [Member] Fixed Income Funds Fixed Income Funds [Member] Actively Managed Multi-Asset Funds Actively Managed Multi-Asset Funds [Member] Actively Managed Multi-Asset Funds [Member] Passive Equity Funds Passive Equity Funds [Member] Passive Equity Funds [Member] Passive Bond Funds Passive Bond Funds [Member] Passive Bond Funds [Member] United States Non-Qualified Pension Plan of US Entity United States Non-Qualified Pension Plan of US Entity [Member] United States Non-Qualified Pension Plan of US Entity [Member] U.K. Plan Other Pension Plan [Member] U.K. UNITED KINGDOM Pension and Other Post-Employment Benefits Balance as of December 31, 2017 Fair value of plan assets Provisions charged to income Pension Cost (Reversal of Cost) Settlement loss due to restructuring activities taken during the year Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment Defined contribution plan, costs recognized Defined Contribution Plan, Cost Target plan asset allocations Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Expected return on plan assets, percent Defined Benefit Plan, Expected Return on Plan Assets, Percent Defined Benefit Plan, Expected Return on Plan Assets, Percent Estimated future contributions Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Computation of basic and diluted earnings (loss) per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Omnibus Plan Omnibus Plan [Member] Represents the information pertaining to the 2008 Omnibus Incentive Plan which was approved by the entity's stockholders at the annual meeting of stockholders held on May 15, 2008 and amended and restated on May 27, 2010 and which provides for grants of both equity and cash awards, including non-qualified stock options, incentive stock options, stock appreciation rights, performance awards (shares and units), restricted stock, restricted stock units and deferred stock units to key executives, employees and non-management directors. Performance Stock Units Performance Stock Units [Member] Represents the performance stock units (PSUs) as awarded by a company to their employees as a form of incentive compensation. Restricted Stock Units Restricted Stock Units (RSUs) [Member] Options, Outstanding [Roll Forward] Outstanding beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited or Expired (in shares) Share Based Compensation Arrangement by Share Based Payment Award, Other than Options Forfeitures and Expirations in Period For presentations that combine terminations, the number of shares under awards under than options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the award plan or that expired. Outstanding ending balance (in shares) Weighted-Average Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Outstanding beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited or Expired (In dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Other than Options Forfeitures and Expirations in Period Weighted Average Exercise Price The weighted average exercise price associated with equity-based payment instruments, excluding stock (or unit) options, that were forfeited or expired during the reporting period. Outstanding ending balance (in dollars per share) Aggregate intrinsic value, Outstanding Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Outstanding Intrinsic Value The intrinsic value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Summary of contribution of reportable segments to revenues and adjusted pre-tax income and the reconciliation to consolidated amounts Schedule of Segment Reporting Information, by Segment [Table Text Block] Interest expense, net Income tax (provision) benefit Equity in earnings (losses) of subsidiaries, net of tax Income (Loss) from Subsidiaries, Net of Tax Income Tax Disclosure [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Deferred Tax Assets: Deferred Tax Assets, Net [Abstract] Employee benefit plans Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Net operating loss carry forwards Deferred Tax Assets, Operating Loss Carryforwards Federal, state and foreign local tax credit carry forwards Deferred Tax Assets, Tax Credit Carryforwards, Other Accrued and prepaid expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Total Deferred Tax Assets Deferred Tax Assets, Gross Less: Valuation Allowance Deferred Tax Assets, Valuation Allowance Total Net Deferred Tax Assets Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities: Deferred Tax Liabilities, Gross [Abstract] Depreciation on tangible assets Deferred Tax Liabilities, Property, Plant and Equipment Intangible assets Deferred Tax Liabilities, Intangible Assets Total Deferred Tax Liabilities Deferred Tax Liabilities, Gross Net Deferred Tax Liability Deferred Income Tax Liabilities, Net Document And Entity Information [Abstract] -- None. No documentation exists for this element. -- Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Restricted Stock Units RSU and Performance Stock Units PSU Restricted Stock Units RSU and Performance Stock Units PSU [Member] Restricted stock units (RSUs) and performance stock units (PSUs) as awarded by a company to their employees as a form of incentive compensation. Total fair value of awards that vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Weighted average grant date fair value of awards (in dollars per share) Employee Retirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Extinguishment of Debt [Table] Schedule of Extinguishment of Debt [Table] HVF II Series 2014-A HVF II Series 2014-A [Member] HVF II Series 2014-A [Member] Extinguishment of Debt [Line Items] Extinguishment of Debt [Line Items] Schedule of components of income before income taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of total provision for taxes on income Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of principal items of the U.S. and foreign net deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of significant items in the reconciliation of the statutory and effective income tax rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of a reconciliation of the beginning and ending amount of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Acquisitions and Divestitures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Background Disclosure [Abstract] None. No documentation exists for this element. Background Nature of Operations [Text Block] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid expenses and other assets Prepaid Expenses and Other Current Assets [Member] Accrued liabilities Accrued Liabilities [Member] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Continuing Operations Continuing Operations [Member] Amounts recognized in balance sheet: Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Net obligation recognized in the balance sheet Prior service credit (cost) Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Net gain (loss) Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Accumulated other comprehensive income (loss) Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Funded/(Unfunded) accrued pension or postretirement benefit Defined Benefit Plan, Unfunded Accrued Benefit Represents the unfunded accrued pension or postretirement benefit recognized as on balance sheet date. Net obligation recognized in the balance sheet Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Total recognized in other comprehensive (income) loss Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Total recognized in net periodic benefit cost and other comprehensive (income) loss Defined Benefit Plan, Net Periodic Benefit Cost Including Portion Recognized in Other Comprehensive Income The total amount of net periodic benefit cost for defined benefit plans for the period, including the portions recognized in earnings and the portions recognized in other comprehensive income during the reporting period. Estimated amounts that will be amortized from accumulated other comprehensive (income) loss over the next fiscal year: Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract] Net gain (loss) Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Accumulated Benefit Obligation at December 31 Defined Benefit Plan, Accumulated Benefit Obligation Weighted-average assumptions as of December 31 Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Expected return of assets (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation Expected Long Term Return on Assets An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the calculation of the benefit obligation. Average rate of increase in compensation Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Initial health care cost trend rate (as a percent) Defined Benefit Plan, Benefit Obligation Initial Health Care Cost Trend Rate The assumed initial health care cost trend rate used to measure the benefit obligations. Ultimate health care cost trend rate (as a percent) Defined Benefit Plan, Benefit Obligation Ultimate Health Care Cost Trend Rate The benefit obligations ultimate trend rate for health care costs. Number of years to ultimate trend rate (in years) Defined Benefit Plan, Benefit Obligation Number of Years to Ultimate Trend Rate The number of years in which the benefit obligations ultimate health care cost trend rate is expected to be reached. Components of Net Periodic Benefit Cost: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Net amortizations Defined Benefit Plan, Amortization of Gain (Loss) Settlement loss Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Net pension and postretirement expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Weighted average discount rate for expense (January 1) Defined Benefit Plan, Assumptions used Calculating Net Periodic Benefit Cost Discount Rate, Beginning of Period The weighted average interest rate, at the beginning of the period, used to adjust for the time value of money. Expected rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Initial health care cost trend rate (as a percent) Defined Benefit Plan, Initial Health Care Cost Trend Rate The assumed initial health care cost trend rate used to measure the expected cost of benefits covered by the plan (gross eligible charges). Ultimate health care cost trend rate (as a percent) Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Number of years to ultimate health trend rate (in years) Defined Benefit Plan, Number of Years to Ultimate Trend Rate The number of years in which the ultimate health care cost trend rate is expected to be reached. Compensation Expense and Tax Benefit Share-based Compensation [Abstract] Compensation expense Allocated Share-based Compensation Expense Income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Total Allocated Share-based Compensation Expense, Net of Tax 2017 Executive Incentive Compensation Plan 2017 Executive Incentive Compensation Plan [Member] 2017 Executive Incentive Compensation Plan [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Share based compensation, shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Awards granted pursuant to the Omnibus Plan Stock Issued During Period, Shares, Employee Benefit Plan Shares underlying outstanding awards Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Unrecognized compensation cost related to non-vested stock options, RSUs and PSUs granted Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Period for recognition of total unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Award vesting percentage first year Share Based Compensation Arrangement by Share Based Payment Award, Award Vesting Percentage Year One Represents the percentage of an award that is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale in the first year. Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Quarterly Financial Information (Unaudited) Quarterly Financial Information [Text Block] Gain (Loss) on disposal Payments to acquire equity method investments Payments to Acquire Equity Method Investments Cumulative equity losses and amortization Equity Method Investment, Cumulative Equity Losses And Amortization Equity Method Investment, Cumulative Equity Losses And Amortization Equity Method Investments Equity Method Investments Realized gain (loss) on disposal Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (loss) from continuing operations before income taxes Schedule of Net Funded Status Schedule of Net Funded Status [Table Text Block] Schedule of Defined Benefit Plan, Amounts Included in Financial Statements and Assumptions Used Schedule of Defined Benefit Plan, Amounts Included in Financial Statements and Assumptions Used [Table Text Block] Tabular disclosure of amounts included in the consolidated balance sheet and statement of operations. It also discloses the assumptions used to determine the benefit obligation for pension plans and/or other employee benefit plans. Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Schedule of Allocation of Plan Assets Schedule of Allocation of Plan Assets [Table Text Block] Schedule of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Schedule of Multiemployer Plans Schedule of Multiemployer Plans [Table Text Block] Income Tax (Provision) Benefit Income Tax Disclosure [Text Block] Leases Leases of Lessee Disclosure [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Master Loan Agreement Master Loan Agreement [Member] Master Loan Agreement [Member] Tax Related Liability Tax Related Liability [Member] Tax Related Liability [Member] Affiliated Entity Affiliated Entity [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Purchases from related party Related Party Transaction, Purchases from Related Party Due from related parties Advances to Hertz Holdings Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Total deferred Deferred Income Tax Expense (Benefit) Total provision Aggregate intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Fair value of options that vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Tax benefit realized on exercise of stock options Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options Guarantor and Non-Guarantor Annual Condensed Consolidating Financial Information Guarantor and Non Guarantor Condensed Consolidating Financial Statements Disclosure [Text Block] The entire disclosure for condensed financial information, including the financial position, cash flows, and the results of operations. Company's Cash Equivalents and Investments Cash, Cash Equivalents and Investments [Table Text Block] Assets and Liabilities Measure on a Non-Recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Lease and Concession Agreements Operating Leased Assets [Line Items] Operating lease terms Lessee, Operating Lease, Term of Contract Minimum fixed cost Operating Lease, Cost Variable lease cost Variable Lease, Cost Sublease income Sublease Income Total Operating Leases, Rent Expense, Net Minimum obligations under existing agreements Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2018 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years After 2022 Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] CAR, Inc CAR, Inc [Member] CAR, Inc [Member] Other income (expense), net Other Operating Income (Expense) [Member] Number of shares issued in transaction Sale of Stock, Number of Shares Issued in Transaction Net sales proceeds Proceeds from Sale of Equity Method Investments Consideration receivable from sale Disposal Group, Including Discontinued Operation, Consideration Consideration receivable from sale, amounts to be placed in escrow Disposal Group, Including Discontinued Operation, Consideration, Escrow Disposal Group, Including Discontinued Operation, Consideration, Escrow Deferred gain on sale Equity Method Investment, Deferred Gain on Sale Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Receivables, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Prepaid expenses and other assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets Revenue earning vehicles, net Disposal Group, Including Discontinued Operations, Property Subject To Or Available For Operating Lease, Net Disposal Group, Including Discontinued Operations, Property Subject To Or Available For Operating Lease, Net Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Intangibles Disposal Group, Including Discontinued Operation, Intangible Assets Deferred income taxes, net Disposal Group, Including Discontinued Operation, Deferred Tax Assets Assets held for sale Disposal Group, Including Discontinued Operation, Assets Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable Accrued liabilities Disposal Group, Including Discontinued Operation, Accrued Liabilities Liabilities held for sale Impairment of long-lived assets held-for-use Referral and brand cooperation agreement, initial term Collaborative Arrangement, Referral and Brand Cooperation Agreement, Initial Term Collaborative Arrangement, Referral and Brand Cooperation Agreement, Initial Term Referral and brand cooperation agreement, optional extension term Collaborative Arrangement, Referral and Brand Cooperation Agreement, Optional Extension Term Collaborative Arrangement, Referral and Brand Cooperation Agreement, Optional Extension Term Earnings (loss) per share - basic and diluted: Basic (in dollars per share) Diluted (in dollars per share) Assets deemed to have no future use Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Customer Contracts Customer Contracts [Member] Income Statement [Abstract] Revenues: Revenues [Abstract] Worldwide vehicle rental Revenue Car Rental Revenues from all company-operated car rental operations, including charges to customers for the reimbursement of costs incurred relating to airport concession fees and vehicle license fees, the fueling of vehicles and the sale of loss or collision damage waivers, liability insurance coverage and other products. All other operations Other Revenue, Net Total revenues Interest expense, net: Interest Expense [Abstract] Vehicle Interest Expense, Vehicles Interest Expense, Vehicles Non-vehicle Interest Expense, Other Total interest expense, net Total expenses Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Outstanding beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Exercised (in shares) Forfeited or Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding ending balance (in shares) Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted Average Exercise Price [Roll Forward] Outstanding beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited or Expired (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Outstanding ending balance (in dollars per share) Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual term, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Fair Value Measurements Fair Value Disclosures [Text Block] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Entity [Domain] Variable Interest Entity, Classification [Domain] IFF No. 2 International Fleet Financing No. 2 B.V. [Member] International Fleet Financing No. 2 B.V. [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Senior Second Priority Secured Notes, 7.625%, Due 2022 Senior Second Priority Secured Notes, 7 Point 625 Percent, Due 2022 [Member] Senior Second Priority Secured Notes, 7 Point 625 Percent, Due 2022 [Member] Rental Car Asset-Backed Notes, Class A Rental Car Asset Backed Notes, Class A [Member] Rental Car Asset Backed Notes, Class A [Member] Rental Car Asset-Backed Notes, Class B Rental Car Asset Backed Notes, Class B [Member] Rental Car Asset Backed Notes, Class B [Member] Rental Car Asset-Backed Notes, Class C Rental Car Asset Backed Notes, Class C [Member] Rental Car Asset Backed Notes, Class C [Member] HVF II Series 2015-1 HVF II Series 2015-1 Notes [Member] HVF II Series 2015-1 Notes [Member] HVF II Series 2013 Notes HVF II Series 2013 Notes [Member] HVF II Series 2013 Notes [Member] HVF II Series 2013-B Notes HVF II Series 2013-B Notes [Member] HVF II Series 2013-B Notes [Member] HVF II Series 2017-A Notes, Due October 2018 HVF II Series 2017-A Notes, Due October 2018 [Member] HVF II Series 2017-A Notes, Due October 2018 [Member] HFLF Variable Funding Notes HVF II Series 2017-2 Class D Notes and Class RR Notes HVF II Series 2017-2 Class D Notes and Class RR Notes [Member] HVF II Series 2017-2 Class D Notes and Class RR Notes [Member] HFLF Series 2016-1 HFLF Series 2016-1 [Member] HFLF Series 2016-1 [Member] European Revolving Credit Facility, Due March 2020 European Revolving Credit Facility, Due March 2020 [Member] European Revolving Credit Facility, Due March 2020 [Member] European Revolving Credit Facility, Due January 2019 European Revolving Credit Facility, Due January 2019 [Member] European Revolving Credit Facility, Due January 2019 [Member] Former European Fleet Notes Former European Fleet Notes [Member] Former European Fleet Notes [Member] European Securitization, Due March 2020 European Securitization, Due March 2020 [Member] European Securitization, Due March 2020 [Member] European Securitization, Due October 2018 European Securitization, Due October 2018 [Member] European Securitization, Due October 2018 [Member] Australian Securitization, Due March 2020 Australian Securitization, Due March 2020 [Member] Australian Securitization, Due March 2020 [Member] New Zealand Revolving Credit Facility New Zealand Revolving Credit Facility, Due March 2020 [Member] New Zealand Revolving Credit Facility, Due March 2020 [Member] HVF II Series 2016-1 Notes HVF II Series 2016-1 Notes [Member] HVF II Series 2016-1 Notes [Member] HVF II Series 2016-3 Notes And HVF II Series 2016-4 Notes HVF II Series 2016-3 Notes And HVF II Series 2016-4 Notes [Member] HVF II Series 2016-3 Notes And HVF II Series 2016-4 Notes [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Accrued liabilities Debt to mature in 2018 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Outstanding standby letters of credit Letters of Credit Outstanding, Amount Minority ownership interest, percent Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Aggregate maximum borrowings Line of Credit Facility, Maximum Borrowing Capacity Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Debt face amount Debt Instrument, Face Amount Related party transaction, amount Related Party Transaction, Amounts of Transaction Restricted net assets of subsidiaries as percentage of total consolidated net assets, greater than Restricted Net Assets of Subsidiaries as Percentage of Total Consolidated Net Assets Greater than Represents the restricted net assets of subsidiaries as a percentage of the entity's total consolidated net assets, greater than. Fixed charge coverage ratio number of quarters Debt Instrument, Covenant Fixed Charge Coverage Ratio Number of Quarters Represents the number of quarters most recently ended for which the Company's credit group would be subject to a specified fixed charge coverage ratio, if the borrowers fail to maintain certain levels of borrowing base availability under the financial covenants. Interest expense, net Interest Expense Loss on extinguishment of debt Redemption price of debt, percentage of face amount Debt Instrument, Redemption Price, Percentage Debt instrument, Covenant Compliance, Leverage Ratio Debt instrument, Covenant Compliance, Leverage Ratio Debt instrument, Covenant Compliance, Leverage Ratio Line of credit facility, period increase (decrease) Line of Credit Facility, Increase (Decrease), Net Net change in restricted cash and cash equivalents, vehicle Debt instrument, net change Debt Instrument, Increase (Decrease), Net Covenant compliance borrowing threshold Debt Instrument, Covenant Compliance, Borrowing Threshold Debt Instrument, Covenant Compliance, Borrowing Threshold Debt instrument, Covenant Compliance, Leverage Ratio, Unrestricted Cash Netting Cap Debt instrument, Covenant Compliance, Leverage Ratio, Unrestricted Cash Netting Cap Debt instrument, Covenant Compliance, Leverage Ratio, Unrestricted Cash Netting Cap Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at January 1 Unrecognized Tax Benefits Increase attributable to tax positions taken during prior periods Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decrease attributable to tax positions taken during prior periods Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Increase (Decrease) attributable to tax positions taken during the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Decrease attributable to settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Balance at December 31 Summary of changes in goodwill, by segment Schedule of Goodwill [Table Text Block] Schedule of components of other intangible assets by major classes Schedule of Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table Text Block] Disclosure of amortizable finite-lived intangible assets, including the gross carrying amount and accumulated amortization along with the disclosure of the carrying value of indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. Fair Value, Measurements, Recurring Nominal Unpaid Principal Balance Aggregate Fair Value Debt Instrument, Fair Value Disclosure Segment Information Segment Reporting Disclosure [Text Block] Maturities of Long-term Debt [Abstract] Maturities of Long-term Debt [Abstract] 2018 2019 Long-term Debt, Maturities, Repayments of Principal in Year Two 2020 Long-term Debt, Maturities, Repayments of Principal in Year Three 2021 Long-term Debt, Maturities, Repayments of Principal in Year Four 2022 Long-term Debt, Maturities, Repayments of Principal in Year Five After 2022 Long-term Debt, Maturities, Repayments of Principal after Year Five Reclassifications Reclassification, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Revenue Earning Equipment and Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Self-insured Liabilities Self Insurance Reserve [Policy Text Block] Recoverability of Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Long-lived Assets, Including Finite-lived Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Receivables Trade and Other Accounts Receivable, Policy [Policy Text Block] Acquisitions Business Combinations Policy [Policy Text Block] Divestitures Assets and Liabilities Held for Sale [Policy Text Block] Assets and Liabilities Held for Sale [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Foreign Currency Translation and Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Advertising Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Recent Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Tax Period [Axis] Tax Period [Axis] Tax Period [Domain] Tax Period [Domain] Tax Year 2017 Tax Year 2017 [Member] Tax Year 2018 Tax Year 2018 [Member] Tax Year 2018 [Member] Tax Year 2019 Tax Year 2019 [Member] Tax Year 2019 [Member] Tax Year 2020 Tax Year 2020 [Member] Tax Year 2020 [Member] Tax Year 2021 Tax Year 2021 [Member] Tax Year 2021 [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Domestic Tax Authority Domestic Tax Authority [Member] State and Local Jurisdiction State and Local Jurisdiction [Member] Foreign Tax Authority Foreign Tax Authority [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Net Capital Loss Capital Loss Carryforward [Member] Alternative Minimum Tax Alternative Minimum Tax [Member] Alternative Minimum Tax [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] AMT Tax Credits and other Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Reduction in expected AMT receivable Increase (Decrease) in Income Taxes Receivable Deferred tax assets NOL carry forwards Operating Loss Carryforwards, Net The sum of domestic, foreign and state and local operating loss carryforwards, net of tax effects, available to reduce future taxable income under enacted tax laws excluding expenses for equity-based compensation costs which are not reflected in deferred tax assets but have not yet been deducted for tax purposes as they can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Federal NOL carry forwards Operating Loss Carryforwards Federal NOL carry forwards, related to excess tax deductions Operating Loss Carry forward Non-deductible Expense, Compensation and Benefits Share-Based Compensation Cost Estimated amount of equity-based compensation costs included in the total operating loss carryforward which are not reflected in deferred tax assets but have not yet been deducted for tax purposes as they can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Associated tax benefits Operating Loss Carry Forward Unrecognized Excess Tax Benefit Related to Share-Based Compensation Cost Tax benefit associated with equity-based compensation costs included in the total operating loss carryforward which are not reflected in deferred tax assets but have not yet been deducted for tax purposes as they can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. NOL carry forward, valuation allowance Operating Loss Carryforwards, Valuation Allowance NOL carry forward with indefinite carry forward period Operating Loss Carryforwards Not Subject to Expiration The amount of net operating loss carryforwards available to reduce future taxable income, which are not subject to expiration dates. Deferred tax assets associated with indefinite carry forward period Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration NOL subject to expiration Operating Loss Carryforwards Subject to Expiration The amount of net operating loss carryforwards available to reduce future taxable income, which are subject to expiration dates. Deferred tax assets associated with NOL subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Valuation allowance recorded against deferred tax assets Remaining deferred tax assets to be realized Effective tax rate Effective Income Tax Rate Reconciliation, Percent Increase (decrease) in provision for income taxes Increase (Decrease) in Provision for Income Taxes Increase (Decrease) in Provision for Income Taxes Reversal of unrecognized tax benefits within next twelve months Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Net, after-tax interest and penalties recognized Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Net, after-tax interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Furniture and fixtures Furniture and Fixtures [Member] Service cars and service equipment Service Cars and Service Equipment [Member] Represents the information pertaining to service cars and service equipment. Useful life Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Components of Revenue Earning Vehicles Property, Plant and Equipment [Table Text Block] Depreciation of revenue earning equipment and lease charges Schedule of Depreciation on Revenue Earning Equipment and Lease Charges [Table Text Block] Tabular disclosure of the depreciation on revenue earning equipment and lease charges. Revenue earning equipment includes cars, equipment and other equipment which are given on rental or lease. Lease charges include rents paid for vehicles leased. Impact of depreciation rate changes Impact of Depreciation Rate Changes [Table Text Block] Impact of Depreciation Rate Changes [Table Text Block] Amortization of other intangible assets Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Expected amortization expense in 2018 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Expected amortization expense in 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Two Expected amortization expense in 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Three Expected amortization expense in 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Four Expected amortization expense in 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Five Expected amortization expense thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Statutory Federal Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Foreign tax rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent State and local income taxes, net of federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Change in state apportionment and statutory rates, net of federal income tax benefit Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Tax Reform Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax (Expense) Benefit Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax (Expense) Benefit Federal and foreign permanent differences Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Withholding taxes Effective Income Tax Rate Reconciliation withholding Taxes This element represents the portion of the difference between total income tax expense (benefit) as reported in the Income Statement and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributed to withholding taxes. Uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Benefit from sale of non-U.S. operations Effective Income Tax Rate Reconciliation, Disposition of Business, Percent Change in foreign statutory rates Effective Income Tax Rate Reconciliation, Change In Foreign Statutory Rate, Percent Effective Income Tax Rate Reconciliation, Change In Foreign Statutory Rate, Percent Goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Sale of CAR Inc. common stock Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent Stock option shortfalls Effective Income Tax Rate Reconciliation, Deduction, Stock Option Shortfalls, Percent Effective Income Tax Rate Reconciliation, Deduction, Stock Option Shortfalls, Percent All other items, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Tax Rate Guarantor and Non-Guarantor Condensed Consolidated Financial Statements [Abstract] Guarantor and Non-Guarantor Condensed Consolidated Financial Statements [Abstract] Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Quantifying Misstatement in Current Year Financial Statements [Line Items] Quantifying Misstatement in Current Year Financial Statements [Line Items] Revenue earning equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property Subject to or Available for Operating Lease Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property Subject to or Available for Operating Lease Property and other equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Total Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net