Other (income) expense, net Other Nonoperating Income (Expense) Related Party [Axis] Related Party [Axis] Write-off intercompany loan Write-Off Intercompany Loan [Member] Write-Off Intercompany Loan Treasury Stock Treasury Stock [Member] Non-Vehicle Debt Other Corporate Debt [Member] Represents other corporate debt not otherwise separately disclosed in the taxonomy. Segments [Axis] Segments [Axis] Accrued interest on debt subject to compromise Liabilities Subject to Compromise, Accrued Interest Liabilities Subject to Compromise, Accrued Interest Employee Retirement Benefits Retirement Benefits [Text Block] Tax Related Liability Tax Related Liability [Member] Tax Related Liability [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Rent Abatement and Payment Deferrals Rent Abatement and Payment Deferrals [Member] Rent Abatement and Payment Deferrals Statistical Measurement [Domain] Statistical Measurement [Domain] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Deferred income taxes, net Deferred Income Tax Liabilities, Net Fair value in excess of carrying amount Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Proceeds from issuance of debt Proceeds from Issuance of Debt Preferred Stock Shares Preferred Stock [Member] Rights Offering adjustment(1) Rights Offering Adjustment Rights Offering Adjustment Current Fiscal Year End Date Current Fiscal Year End Date Intangible assets, net Intangible Assets, Net (Excluding Goodwill) U.S. 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] Availability under borrowing base limitation Debt Instrument, Unused Borrowing Capacity, Amount European Fleet Notes, 5.500%, Due March 2023 European Fleet Notes, 5.500 Percent, Due March 2023 [Member] European Fleet Notes, 5.500 Percent, Due March 2023 [Member] Postemployment Benefits [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Revenue earning vehicles held for sale, net Assets Held-for-sale, Not Part of Disposal Group, Current, Other Severance Costs Severance Costs Cost of Goods, Segment Cost of Goods and Service, Segment Benchmark [Member] Number of proofs of claims filed, amount Bankruptcy Claims, Amount of Claims Filed Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Commitments and contingencies Commitments and Contingencies Reorganization Items Reorganization Items Non-vehicle Non-Vehicle Related Service [Member] Non-Vehicle Related Service [Member] ASSETS Assets [Abstract] Technology-related intangible and other asset impairments Technology-related intangible and other asset impairments Technology-related Intangible and Other Asset Impairments Technology-related Intangible and Other Asset Impairments 5.500% Senior Notes due October 2024 Senior Notes 5.50 Percent Due 2024 [Member] Senior Notes 5.50 Percent Due 2024 [Member] Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Entity Shell Company Entity Shell Company Cover [Abstract] Cover [Abstract] Total other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), before Tax Document Type Document Type Secured Fleet Financing Secured Fleet Financing [Member] Secured Fleet Financing Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure -- None. No documentation exists for this element. -- Accumulated deficit Retained Earnings (Accumulated Deficit) Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Fresh-Start Adjustments [Table] Fresh-Start Adjustments [Table] Sales of revenue earning vehicles included in vehicle receivables Sales of Revenue Earning Equipment Earned but not Received Future cash inflow resulting from the sale of revenue earning equipment. Fair Value of Financial Instruments [Abstract] Financial Instruments, Owned, at Fair Value [Abstract] Product Concentration Risk Product Concentration Risk [Member] HFLF Series 2017-1 HFLF Series 2017-1 Notes [Member] HFLF Series 2017-1 Notes [Member] Us Fleet Financing Facility Us Fleet Financing Facility [Member] Represents the U.S. fleet financing facility. HFLF Series 2013-2 Notes, Due March 2022 HFLF Series 2013-2 Notes, Due March 2022 [Member] HFLF Series 2013-2 Notes, Due March 2022 [Member] Purchases from related party Related Party Transaction, Purchases from Related Party International Fleet Financing No. 2 B.V. International Fleet Financing No. 2 B.V. [Member] International Fleet Financing No. 2 B.V. [Member] HFLF Series 2016-1 HFLF Series 2016-1 [Member] HFLF Series 2016-1 [Member] Preferred stock, $0.01 par value, no shares issued and outstanding Preferred Stock, Value, Issued Depreciation and reserves for revenue earning vehicles 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. U.S. Fleet Medium Term Notes 2018 Series 3 Us Fleet Medium Term Notes 2018 Series 3 [Member] Us Fleet Medium Term Notes 2018 Series 3 [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Document Quarterly Report Document Quarterly Report Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Payment of financing costs Payments of Financing Costs Other Payments for (Proceeds from) Other Investing Activities Operating Activities [Axis] Operating Activities [Axis] Advances to Hertz Holdings Origination of Notes Receivable from Related Parties Domestic Plan Domestic Plan [Member] Stock-based compensation charges APIC, Share-based Payment Arrangement, Increase for Cost Recognition Effect of foreign currency exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Measurement Frequency [Domain] Measurement Frequency [Domain] Accounts payable Liabilities Subject to Compromise, Accounts Payable Liabilities Subject to Compromise, Accounts Payable Donlen Canadian Securitization, Due December 2022 Donlen Canadian Securitization Donlen Canadian Securitization, Due December 2022 [Member] Donlen Canadian Securitization, Due December 2022 [Member] Lender Name [Axis] Lender Name [Axis] Forbearance agreement, aggregate principal amount of notes, percent Debt Instrument, Forbearance Agreement, Aggregate Principal Amount of Notes, Percent Debt Instrument, Forbearance Agreement, Aggregate Principal Amount of Notes, Percent Concentration risk, percentage (less than) Concentration Risk, Percentage Entity File Number Entity File Number Number of payments under bankruptcy court Order for operating lease Liabilities Subject to Compromise, Number of Payments under Bankruptcy Court Order for Operating Lease Liabilities Subject to Compromise, Number of Payments under Bankruptcy Court Order for Operating Lease Settlement loss Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Aggregate subscriptions unissued Common Stock, Shares Subscribed but Unissued European Waiver European ABS Extension Waiver [Member] European ABS Extension Waiver Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Statement [Line Items] Statement [Line Items] Forecast Forecast [Member] Earnings (loss) per share: Earnings Per Share, Basic and Diluted [Abstract] Revenues Revenue, Segment Benchmark [Member] ATM Program Open Market Sale Agreement [Member] Open Market Sale Agreement Document Fiscal Period Focus Document Fiscal Period Focus Number of vehicles required to be disposed of under bankruptcy court order Bankruptcy Proceedings, Number of Vehicles Required to be Disposed of under Bankruptcy Court Order Bankruptcy Proceedings, Number of Vehicles Required to be Disposed of under Bankruptcy Court Order Statement [Table] Statement [Table] Interest cost Defined Benefit Plan, Interest Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Reorganization items, net Reorganization Items, Net [Member] Reorganization Items, Net Credit Facility [Axis] Credit Facility [Axis] Aggregate Fair Value Debt Instrument, Fair Value Disclosure Preferred Stock, shares issued Preferred Stock, Shares Issued U.S. Fleet Medium Term Notes 2019 Series 1 Us Fleet Medium Term Notes 2019 Series 1 [Member] Us Fleet Medium Term Notes 2019 Series 1 [Member] U.S. Fleet Medium Term Notes 2018 Series 1 Us Fleet Medium Term Notes 2018 Series 1 [Member] Us Fleet Medium Term Notes 2018 Series 1 [Member] HVF II Series 2018-3 Class D Notes HVF II Series 2018-3 Class D Notes [Member] HVF II Series 2018-3 Class D Notes [Member] Restructuring and Related Activities [Abstract] U.S. Fleet Medium Term Notes 2015 Series 1 Us Fleet Medium Term Notes 2015 Series 1 [Member] Us Fleet Medium Term Notes 2015 Series 1 [Member] Amounts of transaction Related Party Transactions, Notes Previously Eliminated in Consolidation, Sold in the Period Related Party Transactions, Notes Previously Eliminated in Consolidation, Sold in the Period Other (income) expense, net Other Operating Income (Expense), Net Principles of Consolidation Consolidation, Policy [Policy Text Block] Maximum consolidated leverage ratio Ratio of Indebtedness to Net Capital Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Debt Disclosure [Text Block] Proceeds from the issuance of stock, net Proceeds from Issuance of Common Stock Operating Lease, Lease Income Operating Lease, Lease Income [Table Text Block] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fleet Debt Fleet Debt [Member] Represents the fleet debt. Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Senior RCF Senior Credit Facility [Member] Represents the senior credit facility. Corporate, Non-Segment Corporate, Non-Segment [Member] Amendment Flag Amendment Flag Condensed Combined Debtor in Possession 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. Non-vehicle Capital Assets Non-vehicle Capital Assets [Member] Non-vehicle Capital Assets [Member] Foreign currency exchange rate (EURO to USD) Foreign Currency Exchange Rate, Translation Liabilities subject to compromise Liabilities Subject to Compromise, Increase (Decrease) under Bankruptcy Court Order, Reclassifications Multiemployer pension plans Other Pension Plan [Member] Repayments of debt Repayments of debt Repayments of Debt Net cash provided by (used in) operating activities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Related Party [Domain] Related Party [Domain] Restructuring Restructuring and Related Activities Disclosure [Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Due to affiliates Due to Affiliate Related Party Transaction [Line Items] Related Party Transaction [Line Items] International Rental Car International Car Rental [Member] International Car Rental [Member] Financial Instruments [Domain] Financial Instruments [Domain] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets (Gain) loss on derivatives Derivative, Gain (Loss) on Derivative, Net Due from related parties Due from affiliates Due from Related Parties Master Loan Agreement, Due May 2021 Master Loan Agreement, Due May 2021 [Member] Master Loan Agreement, Due May 2021 Senior Notes Senior Notes [Member] Debtor In Possession Credit Agreement and Secured Fleet Financing Debtor In Possession Credit Agreement and Secured Fleet Financing [Member] Debtor In Possession Credit Agreement and Secured Fleet Financing Number of proofs of claims filed Bankruptcy Claims, Number Claims Filed Purchases of non-vehicle capital assets included in accounts payable Capital Expenditures Incurred but Not yet Paid Numerator: Numerator [Abstract] Numerator [Abstract] Local Phone Number Local Phone Number U.S Fleet Medium Term Notes 2019 Series 3 Us Fleet Medium Term Notes 2019 Series 3 [Member] UsFleetMediumTermNotes2019Series3Member [Member] Segments [Domain] Segments [Domain] Lease, renewal term Lessee, Operating Lease, Renewal Term Unamortized Debt Issuance Costs and Net (Discount) Premium Liabilities Subject Compromise, Unamortized Discount (Premium), Net Liabilities Subject Compromise, Unamortized Discount (Premium), Net Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Senior Notes, 7.125%, Due 2026 Senior Notes, 7 Point 125 Percent, Due 2026 [Member] Senior Notes, 7 Point 125 Percent, Due 2026 [Member] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] 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. Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Selling, general and administrative Selling, General and Administrative Expense Contributions from (distributions to) noncontrolling interests Proceeds from Contributions Payments of Distributions with Affiliates Proceeds from Contributions Payments of Distributions with Affiliates DFLF Series 2020-1 Notes DFLF Series 2020-1 Notes [Member] DFLF Series 2020-1 Notes HVF II U.S. Fleet Variable Medium Term Notes HVF II Us Fleet Variable Medium Term Notes [Member] HVF II Us Fleet Variable Medium Term Notes [Member] Entity Current Reporting Status Entity Current Reporting Status Basic weighted-average shares outstanding (excluding the impact of the Rights Offering) Unadjusted Basic Weighted Average Shares Outstanding Unadjusted Basic Weighted Average Shares Outstanding Segment Information Segment Reporting Disclosure [Text Block] Stock issuance, net Stock issued amount Stock Issued During Period, Value, New Issues Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure DIP credit agreement, minimum draw amount Debtor-in-Possession Financing, Minimum Incremental Draw Amount Debtor-in-Possession Financing, Minimum Incremental Draw Amount Assets Total assets Assets Assets Related Party Transactions Related Party Transactions Disclosure [Text Block] Non-vehicle capital asset expenditures Non-vehicle capital asset expenditures Payments to Acquire Other Property, Plant, and Equipment Impairment charge Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Scenario [Axis] Scenario [Axis] Depreciation and amortization, non-vehicle Depreciation, Nonproduction Subsequent Event Type [Axis] Subsequent Event Type [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Leases Lessor, Operating Leases [Text Block] Entity Small Business Entity Small Business Self-insured liabilities 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. Direct vehicle and operating Direct Operating Costs Entity Filer Category Entity Filer Category Accrued liabilities Accrued Liabilities Proceeds from sale of productive assets Proceeds from sale of productive assets Proceeds from Sale of Productive Assets Product and Service [Axis] Product and Service [Axis] Total Liabilities Liabilities Total liabilities Liabilities Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Entity Address, City or Town Entity Address, City or Town Background Disclosure [Abstract] Background Disclosure [Abstract] None. No documentation exists for this element. Restructuring Plan, Impact of COVID-19 Restructuring Plan, Impact of COVID-19 [Member] Restructuring Plan, Impact of COVID-19 [Member] UK Leveraged Financing UK Leveraged Financing [Member] UK Leveraged Financing [Member] Less accumulated depreciation Property Subject to or Available for Operating Lease, Accumulated Depreciation Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other Restructuring Other Restructuring [Member] Supplemental disclosures of non-cash information: Supplemental Cash Flow Elements [Abstract] All Other Operations Other Segments [Member] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Proceeds from Collection of Loans Receivable Proceeds from Collection of Loans Receivable Level 1 Fair Value, Inputs, Level 1 [Member] Accrued professional fees Accrued Professional Fees Decrease in rent expense from concessions, abatement and payment deferrals Operating Lease, Expense Average interest rate (as a percent) Debt, Weighted Average Interest Rate Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Document Fiscal Year Focus Document Fiscal Year Focus Non-vehicle accounts payable Increase (Decrease) in Accounts Payable Technology-Related Intangible Assets Technology-Related Intangible Assets [Member] Technology-Related Intangible Assets New Zealand Revolving Credit Facility New Zealand Revolving Credit Facility [Member] New Zealand Revolving Credit Facility [Member] Debt Instrument [Axis] Debt Instrument [Axis] Additional Paid-In Capital Additional Paid-in Capital [Member] Total interest expense, net Interest (income) expense, net Interest Income (Expense), Net Total revenue earning vehicles, net Property Subject to or Available for Operating Lease, Cars, Net Property Subject to or Available for Operating Lease, Cars, Net Other Vehicle Debt Other Vehicle Debt [Member] Other Vehicle Debt [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Operating Segments Operating Segments [Member] Other Other Operating Activities, Cash Flow Statement Due from affiliate Stockholders' Equity, Receivable From Affiliate Stockholders' Equity, Receivable From Affiliate Alternative Letter of Credit Facility Alternative Letter of Credit Facility [Member] Alternative Letter of Credit Facility [Member] Accrued liabilities Increase (Decrease) in Accrued Liabilities Forbearance and waiver agreement payment Operating Lease, Forbearance and Waiver Agreement Payment Operating Lease, Forbearance and Waiver Agreement Payment Beginning Balance (Shares) Ending Balance (Shares) Shares, Issued Revenue from Contract with Customer [Abstract] Operating Activities [Domain] Operating Activities [Domain] Common Stock, shares outstanding Common Stock, Shares, Outstanding Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Revolving Credit Facility Revolving Credit Facility [Member] Alternative Letter of Credit Facility Alternative Letter of Credit Facility, 3 Point 25 Percent, Due November 2023 [Member] Alternative Letter of Credit Facility, 3 Point 25 Percent, Due November 2023 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] Information technology and finance transformation costs Finance and Information Technology Transformation Costs [Member] Finance and Information Technology Transformation Costs [Member] Subsequent Event Subsequent Event [Member] Outstanding standby letters of credit Letters of Credit Outstanding, Amount Concentration Risk Type [Axis] Concentration Risk Type [Axis] Dilutive stock options, RSUs and PSUs Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Proceeds from Rights Offering, net Proceeds from Stock Options Exercised Restructuring Plan [Domain] Restructuring Plan [Domain] 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] Subscription amount Common Stock, Value, Subscriptions Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Liabilities Subject to Compromise Schedule of Liabilities Subject to Compromise [Table Text Block] Schedule of Liabilities Subject to Compromise Pre-reorganization charges and non-debtor financing charges COVID-19 Charges [Member] COVID-19 Charges Document Period End Date Document Period End Date Revenue earning vehicles, net Property Subject to or Available for Operating Lease, Net Entity Registrant Name Entity Registrant Name Income Statement [Abstract] Income Statement [Abstract] Senior Term Loan Senior Loans [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Accrued taxes, net Liabilities Subject to Compromise, Income Tax Contingencies (Gain) loss on sale of non-vehicle capital assets Gain (Loss) on Disposition of Assets HVF II Series 2017-2 Class D HVF II Series 2017-2 Class D [Member] HVF II Series 2017-2 Class D [Member] Vehicles Vehicle Related Service [Member] Vehicle Related Service [Member] Operating income or loss, percent Variable Interest Entity, Measure of Activity, Operating Income or Loss, Percent Variable Interest Entity, Measure of Activity, Operating Income or Loss, Percent Lease charges Operating Leases, Rent Expense Cash, Cash Equivalents and Investments Cash, Cash Equivalents and Investments [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Total HVF II US Fleet Variable Funding Notes [Member] HVF II US Fleet Variable Funding Notes [Member] Comprehensive income (loss) attributable to Hertz Global Comprehensive Income (Loss), Net of Tax, Attributable to Parent Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax (Gain) loss on disposal of revenue earning vehicles, net Gain (Loss) on Sale of Leased Assets, Net, Operating Leases Preferred Stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] HFLF Medium Term Notes HFLF Medium Term Notes [Member] HFLF Medium Term Notes [Member] 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. Scenario [Domain] Scenario [Domain] Consolidation Items [Domain] Consolidation Items [Domain] Write-off of inter-company loan Write-off of intercompany loan Write-off of Inter-company Loan Write-off of Inter-company Loan Basic and Diluted Earnings (Loss) Per Share [Abstract] Basic and Diluted Earnings (Loss) Per Share [Abstract] Basic and Diluted Earnings (Loss) Per Share [Abstract] Off airport leases rejected Bankruptcy Proceedings, Number of Unexpired Off Airport Leases Rejected Bankruptcy Proceedings, Number of Unexpired Off Airport Leases Rejected Entity Tax Identification Number Entity Tax Identification Number Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Operating lease right-of-use assets Increase (Decrease) in Operating Lease Right-Of-Use Assets Increase (Decrease) in Operating Lease Right-Of-Use Assets Equity in earnings (losses) of non-debtor entities Income (Loss) from Equity Method Investments Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Income (loss) before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Trading Symbol Trading Symbol Lease, initial term Lessee, Operating Lease, Term of Contract 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. Entity Information [Line Items] Entity Information [Line Items] HVF II U.S. ABS Program HVF II U.S. ABS Program [Member] HVF II U.S. ABS Program [Member] Income tax (provision) benefit related to reclassified amounts of net periodic costs on defined benefit pension plans Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Purchases of revenue earning vehicles included in accounts payable, net of incentives Purchases of Revenue Earning Equipment Incurred but not Yet Paid Future cash outflow to pay for purchases of revenue earning equipment that have occurred. Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Promissory Notes Promissory Notes [Member] Promissory Notes Stock-based compensation charges Share-based Payment Arrangement, Noncash Expense Legal Entity [Axis] Legal Entity [Axis] Accounts Payable Accounts Payable [Member] Contributions from (distributions to) noncontrolling interests Proceeds from Contributions from Affiliates Other Proceeds from (Payments for) Other Financing Activities Revenue Earning Vehicles Disclosure Of Depreciation On Revenue Earning Equipment And Lease Charges [Text Block] Disclosure Of Depreciation On Revenue Earning Equipment And Lease Charges Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Due From Affiliate Due From Affiliate [Member] Due From Affiliate [Member] Entity [Domain] Entity [Domain] Accrued taxes, net Taxes Payable HVF II Series 2013-A Notes, Due March 2021 HVF II Series 2013-A Notes, Due March 2021 [Member] HVF II Series 2013-A Notes, Due March 2021 [Member] Affiliated Entity Mr. Icahn Affiliated Entity [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Contributions from Hertz Holdings Proceeds from Contributions from Parent 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. Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt: Debt: Debt Debt and Lease Obligation Restricted cash and cash equivalents: Restricted Cash and Cash Equivalents Liabilities subject to compromise Liabilities Subject to Compromise, Provision for Expected and Allowed Claims City Area Code City Area Code Reorganizations [Abstract] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Schedule of Components of Revenue Earning Vehicles, Net Schedule of Components of Revenue Earning Vehicles, Net [Table Text Block] Schedule of Components of Revenue Earning Vehicles, Net 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] 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. Equity Components [Axis] Equity Components [Axis] Title of 12(b) Security Title of 12(b) Security Liabilities subject to compromise Liabilities Subject to Compromise, Debt and Accrued Interest U.S. Fleet Medium Term Notes 2018 Series 2 Us Fleet Medium Term Notes 2018 Series 2 [Member] Us Fleet Medium Term Notes 2018 Series 2 [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Consolidated Entities [Domain] Consolidated Entities [Domain] HFLF Series 2013-2 Notes HFLF Series 2013-2 Notes [Member] HFLF Series 2013-2 Notes [Member] Revenue earning vehicles, net Property Subject to or Available for Operating Lease, Cars Property Subject to or Available for Operating Lease, Cars Operating lease liabilities Increase (Decrease) in Operating Lease Liabilities Increase (Decrease) in Operating Lease Liabilities Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net amortizations Defined Benefit Plan, Amortization of Gain (Loss) Net pension expense (benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) U.S. Plan UNITED STATES Net income (loss) including adjustments Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Adjustments Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Adjustments Revenues: Revenues [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Variable, Operating Lease Variable, Operating Lease [Member] Variable, Operating Lease [Member] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Payments to Acquire Loans Receivable Payments to Acquire Loans Receivable Fleet Leasing, Operating Lease Fleet Leasing, Operating Lease [Member] Fleet Leasing, Operating Lease [Member] Ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Additional paid-in capital Additional Paid in Capital, Common Stock Subsequent Event Type [Domain] Subsequent Event Type [Domain] Accounts payable: Total accounts payable Accounts Payable Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] 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. Senior Second Priority Secured Notes Senior Second Priority Secured Notes [Member] Senior Second Priority Secured Notes [Member] Number of reportable segments Number of Reportable Segments Retirement Plan Type [Domain] Retirement Plan Type [Domain] Technology-related intangible and other asset impairments Technology-Related Intangible And Other Assets Impairments [Member] Technology-Related Intangible And Other Assets Impairments Consolidation Items [Axis] Consolidation Items [Axis] DIP credit agreement, amount Debtor-in-Possession Financing, Amount Arranged Net gain (loss) on defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax DIP credit agreement, interest rate (percent) Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding Accrued Liabilities Accrued Liabilities [Member] Marketable securities Equity Securities [Member] HVF II Series 2013-A HVF II Series 2013-A Notes [Member] HVF II Series 2013-A Notes [Member] Beginning balance Ending balance Restructuring Reserve Contributions from Hertz Holdings Adjustments to Additional Paid in Capital, Other Revenue accounted for under Topic 842 Operating Lease, Lease Income Operating Lease, Lease Income [Abstract] Operating Lease, Lease Income [Abstract] Sale of Stock [Axis] Sale of Stock [Axis] Airport leases rejected Bankruptcy Proceedings, Number of Unexpired Airport Leases Rejected Bankruptcy Proceedings, Number of Unexpired Airport Leases Rejected Diluted weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Basic and Diluted Restructuring costs Restructuring Costs Other Other Income (Expense) [Member] Other Income (Expense) [Member] Restructuring Type [Axis] Restructuring Type [Axis] Payments for Restructuring Payments for Restructuring Goodwill Goodwill DIP credit agreement, interest rate floor (percent) Debtor-in-Possession Financing, Floor Interest Rate on Borrowings Outstanding Debtor-in-Possession Financing, Floor Interest Rate on Borrowings Outstanding Vehicle Rentals, Operating Lease Vehicle Rentals, Operating Lease [Member] Vehicle Rentals, Operating Lease [Member] Accrued taxes, net Increase (Decrease) in Income Taxes Payable Other Fleet Debt Other Fleet Debt [Member] Represents other fleet debt not otherwise separately disclosed in the taxonomy. Contractual Interest Interest Expense, Contract Related Interest Expense, Contract Related Debt instrument, face amount Debt Instrument, Face Amount Level 2 Fair Value, Inputs, Level 2 [Member] Depreciation on Revenue Earning Vehicles and Lease Charges Depreciation on Revenue Earning Vehicles and Lease Charges [Table Text Block] Depreciation on Revenue Earning Vehicles and Lease Charges Contributions from noncontrolling interests Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Senior Assets Based Line of Credit Facility Senior Assets Based Line of Credit Facility [Member] Represents the senior asset backed line of credit facility. Entities [Table] Entities [Table] Stockholders' equity: Equity [Abstract] Accrued liabilities Liabilities Subject to Compromise, Accrued Liabilities Liabilities Subject to Compromise, Accrued Liabilities Divestitures Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Debt subject to compromise Debt subject to compromise Liabilities Subject To Compromise, Debt Excluding Debt Issuance Costs And Discount (Premium) Liabilities Subject To Compromise, Debt Excluding Debt Issuance Costs And Discount (Premium) Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company Credit Facility [Domain] Credit Facility [Domain] Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Unamortized Net Discount Debt Instrument, Unamortized Discount (Premium), Net Letter of Credit Letter of Credit Letter of Credit [Member] Basic earnings (loss) per share (in dollars per share) Earnings Per Share, Basic Canadian Securitization Canadian Securitization [Member] Represents the Canadian securitization. Payments under bankruptcy court order for operating lease Liabilities Subject to Compromise, Payments under Bankruptcy Court Order for Operating Lease Liabilities Subject to Compromise, Liability under Bankruptcy Court Order for Operating Lease Revenue earning vehicles Property Subject to or Available for Operating Lease, Gross Debt Disclosure [Abstract] Debt Disclosure [Abstract] HVF II Series Class D Notes HVF II Series Class D Notes [Member] HVF II Series Class D Notes [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Liabilities Subject to Compromise Reorganization Items, Net Reorganization under Chapter 11 of US Bankruptcy Code Disclosure [Text Block] Australian Securitization Australian Securitization [Member] Represents the Australian securitization. Balance Sheet Location [Axis] Balance Sheet Location [Axis] Revenue accounted for under Topic 606 Revenue from Contract with Customer, Including Assessed Tax Common stock, $0.01 par value, 158,235,410 and 144,153,444 shares issued, respectively and 156,206,478 and 142,124,512 shares outstanding, respectively Common Stock, Value, Issued Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Impairment charge Impairment of Intangible Assets, Finite-lived Fleet payables included in liabilities subject to compromise Liabilities Subject to Compromise, Period Increase (Decrease) U.S. Rental Car U.S. Car Rental [Member] U.S. Car Rental [Member] Non-vehicle deprecation and amortization Non-vehicle Deprecation and Amortization [Member] Non-vehicle Deprecation and Amortization [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] U.S. Fleet Medium Term Notes 2019 Series 2 Us Fleet Medium Term Notes 2019 Series 2 [Member] Us Fleet Medium Term Notes 2019 Series 2 [Member] Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest HVF II Series 2019-1 Class D Notes HVF II Series 2019-1 Class D Notes [Member] HVF II Series 2019-1 Class D Notes [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Common Stock, shares issued Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Less: accumulated depreciation Accumulated Depreciation, Cars Accumulated Depreciation, Cars Letter of Credit Facility Letter of Credit Facility [Member] Letter of Credit Facility Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] 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] Operating lease liabilities Operating lease liabilities Operating Lease, Liability Reporting unit, amount of fair value in excess of carrying amount Reporting Unit, Amount of Fair Value in Excess of Carrying Amount Subtotal 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 Segment Reporting [Abstract] Segment Reporting [Abstract] Receivables: Receivables, net of allowance Accounts Receivable, after Allowance for Credit Loss Senior RCF Letter of Credit Facility Senior RCF Letter of Credit Facility, 3 Point 25 Percent, Due June 2021 [Member] Senior RCF Letter of Credit Facility, 3 Point 25 Percent, Due June 2021 HFLF Series 2018-1 HFLF Series 2018-1 [Member] HFLF Series 2018-1 [Member] Basis of Presentation and Recently Issued Accounting Pronouncements Basis of Presentation and Significant Accounting Policies [Text Block] U.S. Rental Car Segment and US Corporate Operations U.S. Rental Car Segment and US Corporate Operations [Member] U.S. Rental Car Segment and US Corporate Operations Non-vehicle receivables Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Stockholders' equity attributable to Hertz Global Stockholders' Equity Attributable to Parent Senior Notes 6.250% Due 2022 Senior Notes 6.250 Percent Due 2022 [Member] Senior Notes 6.250 Percent Due 2022 [Member] Background Nature of Operations [Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Hertz Global Holdings and Subsidiaries in Bankruptcy Proceedings Hertz Global Holdings and Subsidiaries in Bankruptcy Proceedings [Member] Hertz Global Holdings and Subsidiaries in Bankruptcy Proceedings All other operations Revenue Not from Contract with Customer, Other Total liabilities and stockholders' equity Liabilities and Equity Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Income Tax (Provision) Benefit Income Tax Disclosure [Text Block] Depreciation of revenue earning vehicles Cost, Depreciation Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Revenue earning vehicles: Revenue Earning Equipment Gross [Abstract] -- None. No documentation exists for this element. -- Stockholders' Equity Attributable to Hertz Global Parent [Member] Other Assets Other Assets [Member] Financial Instrument [Axis] Financial Instrument [Axis] U.S. Fleet Medium Term Notes 2015 Series 3 Us Fleet Medium Term Notes 2015 Series 3 [Member] Us Fleet Medium Term Notes 2015 Series 3 [Member] Antidilutive stock options, RSUs, PSUs and PSAs Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Income tax (provision) benefit related to net gains and losses on defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Equity Component [Domain] Equity Component [Domain] Entity Address, Address Description Entity Address, Address Line One Self-insured liabilities 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. Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net European Fleet Notes European Vehicle Notes European Fleet Notes [Member] Represents the European fleet notes. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Revenue earning vehicles expenditures 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. Net income (loss) attributable to Hertz Net income (loss) attributable to Hertz Global Net Income (Loss) Attributable to Parent Entity Address, State or Province Entity Address, State or Province Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] The Hertz Corporation The Hertz Corporation [Member] The Hertz Corporation [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Trade Names Trade Names [Member] Leases [Abstract] Leases [Abstract] Depreciation of revenue earning vehicles and lease charges Depreciation of revenue earning vehicles and lease charges 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. Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest U.S. Fleet Medium Term Notes 2016 Series 4 Us Fleet Medium Term Notes 2016 Series 4 [Member] Us Fleet Medium Term Notes 2016 Series 4 [Member] Earnings (loss) per share: Earnings Per Share [Abstract] Restructuring Charges Restructuring Charges Number of vehicles disposed under bankruptcy court order, actual Bankruptcy Proceedings, Description of Proceedings, Number of Vehicles Disposed Under Bankruptcy Court Order, Actual Bankruptcy Proceedings, Description of Proceedings, Number of Vehicles Disposed Under Bankruptcy Court Order, Actual Senior Revolving Credit Facility and Letter of Credit Facility Senior Revolving Credit Facility and Letter of Credit Facility [Member] Senior Revolving Credit Facility and Letter of Credit Facility [Member] Reconciliation of adjusted pre-tax income to income (loss) before income taxes Segment Reporting, Revenue Reconciling Item [Line Items] Entity Interactive Data Current Entity Interactive Data Current Decrease in purchase commitments Restructuring and Related Cost, Decrease in Purchase Commitments Restructuring and Related Cost, Decrease in Purchase Commitments Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Net settlement on vesting of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Gross Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Senior Notes, 6.00%, Due January 2028 Senior Notes, 6 Point 000 Percent, Due January 2028 [Member] Senior Notes, 6 Point 000 Percent, Due January 2028 [Member] Liabilities subject to compromise Liabilities subject to compromise Liabilities subject to compromise, Total Liabilities Subject to Compromise Purchases of non-vehicle capital assets included in liabilities subject to compromise Capital Expenditures Incurred but Not Yet Paid, Subject to Compromise Capital Expenditures Incurred but Not Yet Paid, Subject to Compromise Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Total liabilities not subject to compromise Total liabilities not subject to compromise Liabilities, Not Subject to Compromise Liabilities, Not Subject to Compromise Payment of professional fees Debtor Reorganization Items, Legal and Advisory Professional Fees Common Stock Shares Common Stock [Member] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Return of capital from non-debtor entities Proceeds from Equity Method Investment, Distribution, Return of Capital Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] US Vehicle RCF US Vehicle RCF [Member] US Vehicle RCF [Member] HVF II Series 2019-2 Class D Notes HVF II Series 2019-2 Class D Notes [Member] HVF II Series 2019-2 Class D Notes [Member] Remaining capacity Line of Credit Facility, Remaining Borrowing Capacity Stock issued (in shares) Stock Issued During Period, Shares, New Issues Denominator: Denominator [Abstract] Denominator [Abstract] Adjusted EBITDA: Income (Loss) from Continuing Operations, Including Adjustments to Pre-Tax Income Income (Loss) from Continuing Operations, Including Adjustments to Pre-Tax Income Due from Hertz Holdings Stockholders' Equity, Due From Affiliate Stockholders' Equity, Due From Affiliate Other Operating Income (Expense) Other Operating Income (Expense) [Member] Interest rate Debt Instrument, Interest Rate, Stated Percentage Money market funds and time deposits Money Market Funds [Member] Provision for receivables allowance Accounts Receivable, Credit Loss Expense (Reversal) Antidilutive stock options, RSUs and PSUs Share-based Payment Arrangement [Member] Monthly payments under bankruptcy court order for operating lease Liabilities Subject to Compromise, Monthly Payments under Bankruptcy Court Order for Operating Lease Liabilities Subject to Compromise, Monthly Payments under Bankruptcy Court Order for Operating Lease Related Party Transactions [Abstract] Related Party Transactions [Abstract] Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents during the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Master Motor Vehicle Lease and Management Agreement Master Motor Vehicle Lease and Management Agreement [Member] Master Motor Vehicle Lease and Management Agreement [Member] Basic (in shares) Basic weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Basic Expenses: Costs and Expenses [Abstract] Total equity attributable to the Debtors Stockholders' Equity to Attributable to the Debtors Stockholders' Equity to Attributable to the Debtors Cash paid during the period for: Cash Flow Cash Paid During Period [Abstract] -- None. No documentation exists for this element. -- Treasury Stock, shares repurchased Treasury Stock, Shares Master Loan Agreement Master Loan Agreement [Member] Master Loan Agreement [Member] Debtor In Possession Credit Agreement Debtor In Possession Credit Agreement [Member] Debtor In Possession Credit Agreement Sale of Stock [Domain] Sale of Stock [Domain] Employee Severance Employee Severance [Member] Direct Vehicle and Operating Direct Vehicle and Operating [Member] Direct Vehicle and Operating U.S. Fleet Medium Term Notes 2016 Series 2 Us Fleet Medium Term Notes 2016 Series 2 [Member] Us Fleet Medium Term Notes 2016 Series 2 [Member] Interest, net of amounts capitalized: Interest Paid, Excluding Capitalized Interest, Operating Activities Restructuring and restructuring related charges Restructuring and Restructuring Related Charges [Member] Restructuring and Restructuring Related Charges [Member] Condensed Income Statement Condensed Income Statement [Table Text Block] 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] Total stockholders' equity Beginning Balance Ending Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Reclassification to other (income) expense for amortization of actuarial (gains) losses on defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Committed funding available Long Term Debt, Committed Funding Available Long Term Debt, Committed Funding Available Total revenues Revenues Revenues HVF II Series 2018-1 Class D HVF II Series 2018-1 Class D [Member] HVF II Series 2018-1 Class D [Member] Income tax (provision) benefit Income tax (provision) benefit Income Tax Expense (Benefit) Income taxes, net of refunds Income Taxes Paid, Net Total cash, cash equivalents, restricted cash and restricted cash equivalents Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period Total cash, cash equivalents, restricted cash and restricted cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents HFLF Series 2019-1 HFLF Series 2019-1 [Member] HFLF Series 2019-1 [Member] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Diluted Components of debt Schedule of Debt [Table Text Block] (Gain) loss on marketable securities Marketable securities, gain (loss) Marketable Securities, Gain (Loss) Outstanding principal Nominal Unpaid Principal Balance Long-term Debt, Gross Fresh-Start Adjustment [Line Items] Fresh-Start Adjustment [Line Items] Total expenses Cost and Expenses, Including Interest Expense Total costs of sales, operating expenses, Interest and other expense for the period. Related Party Transaction [Domain] Related Party Transaction [Domain] Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure [Abstract] Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure [Abstract] Guarantor and Non-Guarantor Condensed Consolidating Financial Statements Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Capital contributions to non-debtor entities Capital Contributions to Subsidiaries The cash outflow associated with capital contributions to subsidiaries. Investment in subsidiaries, net Investments in Subsidiaries Represents the investments in consolidated subsidiaries. Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Due from Hertz Holdings Due from Affiliates Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Proceeds from non-vehicle capital assets disposed of or to be disposed of Proceeds from Sale of Other Property, Plant, and Equipment Prepaid expenses and other assets Prepaid Expense and Other Assets Maximum Maximum [Member] Amortization of deferred financing costs and debt discount (premium) Amortization of Debt Issuance Costs Non- controlling Interests Noncontrolling Interest [Member] Accumulated Deficit Retained Earnings [Member] Preferred Stock, shares outstanding Preferred Stock, Shares Outstanding 767 Auto Leasing, LLC 767 Auto Leasing, LLC [Member] 767 Auto Leasing, LLC [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] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Effective tax rate (as percent) Effective Income Tax Rate Reconciliation, Percent Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Receivables, allowance for doubtful accounts (in dollars) Accounts Receivable, Allowance for Credit Loss U.S. 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] HVF II Series 2018-2 Class D Notes HVF II Series 2018-2 Class D Notes [Member] HVF II Series 2018-2 Class D Notes [Member] Senior Notes, 6 Point 000 Percent, Due 2028 Senior Notes, 6 Point 000 Percent, Due 2028 [Member] Senior Notes, 6 Point 000 Percent, Due 2028 Document Transition Report Document Transition Report Corporate Debt Securities Corporate Debt Securities [Member] Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Debt instrument, increase (decrease), net Debt Instrument, Increase (Decrease), Net Donlen ABS Program Donlen ABS Program [Member] Donlen ABS Program [Member] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Contingencies and Off-Balance Sheet Commitments Commitments Contingencies and Guarantees [Text Block] Continuing Operations Continuing Operations [Member] Treasury stock, at cost, 2,028,932 and 2,028,932 shares, respectively Treasury Stock, Value Pension Plan Pension Plan [Member] Earnings (Loss) Per Share - Hertz Global Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Net proceeds from repayment or recovery, percent Loss Contingency, Receivable, Net Proceeds From Repayment Or Recovery, Percent Loss Contingency, Receivable, Net Proceeds From Repayment Or Recovery, Percent Maximum amount outstanding during period Short-term Debt, Maximum Amount Outstanding During Period Fair Value, Measurements, Recurring Fair Value, Recurring [Member] DIP credit agreement, interest rate after significant repayment of pre-petition first lien debt Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding, After Significant Repayment of Pre-petition First Lein Debt Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding, After Significant Repayment of Pre-petition First Lein Debt European Securitization European Securitization [Member] Represents the European securitization. Income Tax Contingency [Table] Income Tax Contingency [Table] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]