Public liability and property damage insurance liabilities – current Public liability and property damage insurance liabilities, current Public liability and property damage insurance liabilities, current Number of RSUs, Granted at fair market value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Stock Issued During Period, Shares, Treasury Stock Reissued Stock Issued During Period, Shares, Treasury Stock Reissued Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Net Of Tax Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Net Of Tax Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Net Of Tax Loans Payable to Bank, Noncurrent Loans Payable to Bank, Noncurrent Unusual or Infrequent Item, or Both, Net (Gain) Loss Unusual or Infrequent Item, or Both, Net (Gain) Loss Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Treasury Stock [Member] Treasury Stock [Member] Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Business Segments [Axis] Segments [Axis] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Weighted Average Grant Price, Vested/exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Net unrealized gain (loss) on cash flow hedges (net of tax of $3, $2, $12, and $9, respectively) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Schedule of Cost-method Investments [Table] Schedule of Cost-method Investments [Table] Type Of Vesting [Domain] Type Of Vesting [Domain] Type Of Vesting [Domain] Lessee, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Debt due to Avis Budget Rental Car Funding (AESOP) LLC—related party Debt Due To Avis Budget Rental Car Funding Aesop Llc Related Party Carrying amount as of the balance sheet date of obligations due to Avis Budget Rental Car Funding (AESOP) LLC- a related party, for rental vehicles. Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Schedule Of Contractual Maturities Schedule Of Contractual Maturities On Vehicle Programs Debt Table [Text Block] Tabular disclosure of the combined aggregate amount of maturities for all borrowings for the vehicle program for each of the five years following the date of the latest balance sheet date presented. Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Floating Rate Term Loan Due February Two Thousand Twenty Seven [Member] Floating Rate Term Loan Due February Two Thousand Twenty Seven [Member] Floating Rate Term Loan Due February Two Thousand Twenty Seven [Member] Net assets acquired (net of cash acquired) Payments to Acquire Restricted Investments Licensing Agreements License agreements Licensing Agreements [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Net Unrealized Gains (Losses) on Cash Flow Hedges, Balance Net Unrealized Gains (Losses) on Cash Flow Hedges, Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Security Exchange Name Security Exchange Name Other intangibles, net Intangible Assets, Net (Excluding Goodwill) Ten and One over two Ten and One over two [Member] Ten and One over two Senior Secured Notes Total current liabilities Liabilities, Current Vehicles held for sale Vehicles Held For Sale The recorded value of rental vehicles held for sale, net of accumulated depreciation. Net Unrealized Gain Or Loss Of Foreign Currency Transactions On Intercompany Loan Hedges Net Unrealized Gain Or Loss Of Foreign Currency Transactions On Intercompany Loan Hedges Net unrealized gain or loss on foreign-currency transactions of intercompany loan hedges. Performance-Based and Market-Based RSUs Performance Shares [Member] Fair Value, Liability Derivatives Derivative Liability, Fair Value, Amount Not Offset Against Collateral Weighted Average Grant Price, Balance Weighted Average Grant Price, Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Commitments and contingencies (Note 13) Commitments and Contingencies Repurchases of common stock Payments for Repurchase of Common Stock Assets Assets [Abstract] COVID-19 [Axis] COVID-19 [Axis] COVID-19 Adjusted EBITDA Adjusted Earnings Before Income Depreciation And Amortization Adjusted earnings before non-vehicle related depreciation and amortization, any impairment charge, restructuring and other related charges, early extinguishment of debt costs, non-vehicle related interest, transaction-related costs, net charges for an unprecedented personal-injury legal matters, non-operational charges related to shareholder activist activity and income taxes. Subsidiaries [Member] Subsidiaries [Member] Proceeds from long-term borrowings Proceeds From Long Term Borrowings The cash inflow from a borrowing having initial term of repayment of more than one year or the normal operating cycle, if longer; and/or the cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. Entity Address, State or Province Entity Address, State or Province Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of RSUs, Vested/exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Accounts payable Accounts Payable, Current Operating Lease, Payments Operating Lease, Payments Between 2 and 3 years Long-Term Debt, Maturity, Year Three Debt Instrument, Description of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Accumulated deficit Retained Earnings (Accumulated Deficit) Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Michael K. Tucker [Member] Michael K. Tucker [Member] Michael K. Tucker [Member] Early extinguishment of debt Early extinguishment of debt Gain (Loss) on Extinguishment of Debt Amortization of right-of-use assets Amortization of Right-Of-Use Assets Amortization of Right-Of-Use Assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Components Of Vehicle Depreciation And Lease Charges Components Of Vehicle Depreciation And Lease Charges Table [Table Text Block] Information on the components of the vehicle depreciation and lease charges, net. Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Income Taxes [Abstract] Income Taxes [Abstract] Income Taxes [Abstract] Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP) LLC—related party Proceeds from Related Party Debt Vehicle depreciation Vehicle Depreciation The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes vehicle related depreciation. Preferred stock, $0.01 par value—authorized 10 shares; none issued and outstanding, respectively Preferred Stock, Value, Issued Lease charges Vehicle Lease Charges Amount of lease charges recorded on rental vehicles. Hedging Designation [Domain] Hedging Designation [Domain] Adjustments for New Accounting Pronouncement [Member] Adjustments for New Accounting Pronouncement [Member] Lease, Cost Lease, Cost Operating Expenses Operating Expenses Operating Leases, Rent Expense, Minimum Rentals Operating Leases, Rent Expense, Minimum Rentals Accrued advertising and marketing Accrued marketing and commissions, current accrued marketing and commissions Common stock, par value Common Stock, Par or Stated Value Per Share Business Acquisition Purchase Price Allocation Vehicles, Net Business Acquisition Purchase Price Allocation Vehicles, Net Business Acquisition Purchase Price Allocation Vehicles, Net Proceeds from borrowings Proceeds From Borrowings From Financing Activities Within Vehicle Programs The net cash inflow (outflow) in aggregate debt due to repayments and proceeds from additional borrowings related to vehicle programs Debt financing fees Payments of Financing Costs Other non-current liabilities Other Liabilities, Noncurrent Deferred income taxes Deferred Income Tax Assets, Net Other, net Payments for (Proceeds from) Other Investing Activities International Capital Leases [Domain] International Capital Leases [Domain] International Capital Leases [Domain] Schedule of Carrying Values and Estimated Fair Values [Abstract] Schedule of Carrying Values and Estimated Fair Values [Abstract] Schedule of Carrying Values and Estimated Fair Values [Abstract] Effect of changes in exchange rates on cash and cash equivalents, program and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Thereafter Long-Term Debt, Maturity, after Year Five Other Other Assets, Miscellaneous, Current Lender Name [Axis] Lender Name [Axis] Type Of Vesting [Axis] Type Of Vesting [Axis] Type Of Vesting [Axis] Business Acquisition [Axis] Business Acquisition [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Supplies Expense Supplies Expense Other related Revenue Other related Revenue Other related revenue including royalty revenue and customer loyalty revenue. Transaction Related Costs Policy [Policy Text Block] Transaction Related Costs Policy [Policy Text Block] Transaction Related Costs [Policy Text Block] Receivables from vehicle manufacturers and other Receivables From Vehicle Manufacturers And Other Amounts due from vehicle manufacturers and others related to sale of rental vehicles, that have been delivered or sold in the normal course of business. Statistical Measurement [Axis] Statistical Measurement [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] COVID-19 Charges COVID-19 Charges COVID-19 Charges, removed from EBITDA Preferred stock, shares issued Preferred Stock, Shares Issued Text Block [Abstract] Long Term Borrowing By Type [Domain] Long Term Borrowing By Type [Domain] Long Term Borrowing By Type [Domain] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Vehicle Backed Debt Vehicle-backed debt Vehicle Backed Debt Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Entity Small Business Entity Small Business Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Interest Rate Caps [Member] Interest Rate Caps [Member] Interest Rate Caps [Member] Rental Vehicles Net, Total Rental Vehicles Net Rental Vehicles Net Rental vehicles Rental Vehicles The cost of vehicles used in rental activities. Debt Under Vehicle Programs and Borrowing Arrangements Debt Disclosure [Text Block] Prepaid expenses Prepaid Expense, Current Non-operational charges related to shareholder activist activity Non-operational charges related to shareholder activist activity Non-operational charges related to shareholder activist activity include third party advisory, legal and other professional service fees and are recorded within selling, general and administrative expenses. (Gain) loss on sale of vehicles, net Gain Loss On Sale Of Vehicles Net And Cost Of Vehicle Disposition (Gain) Loss On Sale Of Vehicles, Net And Cost Of Vehicle Disposition Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Stockholders Equity [Table] Stockholders Equity [Table] Stockholders' Equity [Table] Larry D. De Shon [Member] Larry D. De Shon [Member] Larry D. De Shon Amendment Flag Amendment Flag Computation Of Basic And Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Supplemental Cash Flow Information related to Leases [Table Text Block] Supplemental Cash Flow Information related to Leases [Table Text Block] Supplemental Cash Flow Information related to Leases [Table Text Block] Outstanding Borrowings Long-term Line of Credit Investment in Avis Budget Rental Car Funding (AESOP) LLC—related party Investment In Related Party Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. (D) Investment in off-BS unconsolidated entity that issues notes to investors and bank conduit facilities. Investment in debt securities of Avis Budget Rental Car Funding (AESOP) LLC—related party Repayments of Related Party Debt Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Assets under vehicle programs: Assets Under Vehicle Programs [Abstract] Assets under vehicle program Entity Central Index Key Entity Central Index Key Restructuring and Related Activities Disclosure Restructuring and Related Activities Disclosure [Text Block] Line of Credit Facility, Current Borrowing Capacity Total Capacity Line of Credit Facility, Current Borrowing Capacity Derivative, by Nature [Axis] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Acquisitions [Abstract] Acquisitions [Abstract] Acquisitions [Abstract] Charges related to voluntary termination program Charges related to voluntary termination program Charges related to voluntary termination program Derivatives not designated as hedging instruments Derivative Instruments, Gain (Loss) Recognized in Income, Net Derivative, Gain (Loss) on Derivative, Net Fair Value Measurement [Domain] Fair Value Measurement [Domain] Business Combination, Consideration Transferred, Other Business Combination, Consideration Transferred, Other Senior Notes [Member] Senior Notes [Member] T19 Restructuring [Member] T19 Restructuring [Member] T19 Restructuring [Member] Asia and Australasia [Member] Asia and Australasia [Member] Asia and Australasia [Member] Wyndham [Member] Wyndham Worldwide Corporation [Member] Wyndham Worldwide Corporation [Member] Segment [Domain] Segment [Domain] Segments [Domain] Goodwill Goodwill [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Between 3 and 4 years Long-Term Debt, Maturity, Year Four (Gain) loss on sale of vehicles, net Gain Loss On Sale Of Vehicles Gain on sales of vehicles, net including the cost of the vehicle disposition, for vehicles used in rental activities. Weighted Average Number Diluted Shares Outstanding Adjustment Weighted Average Number Diluted Shares Outstanding Adjustment Schedule Of Committed Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Vehicle interest, net Vehicle Interest Net The cost of borrowed funds on vehicle debt accounted for as interest that was charged against earnings during the period. Income Statement Location [Axis] Income Statement Location [Axis] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value The weighted average grant date fair value of unvested equity awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Other Other Liabilities Under Vehicle Programs Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations (mainly payables for program vehicles purchased) not separately disclosed in the balance sheet due to materiality considerations. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Selling, General and Administrative Expense Selling, general and administrative Selling, General and Administrative Expense Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Derivative, Notional Amount Derivative, Notional Amount Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Amortization expense relating to all intangible assets Amortization of Intangible Assets Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Line of Credit Facility [Table] Line of Credit Facility [Table] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Other non-current assets Other Assets, Noncurrent Receivables, net Receivables, Net, Current Total assets Assets Non-vehicle related depreciation and amortization Non Vehicle Related Depreciation And Amortization The expense recognized in the current period that allocates the cost of non-revenue generating tangible assets over their useful lives. International [Member] International [Member] International [Member] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Number of RSUs, Balance Number of RSUs, Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Amortized Intangible Assets, Net Carrying Amount Finite-Lived Intangible Assets, Net Mark J. Servodidio [Member] Mark J. Servodidio [Member] Mark J. Servodidio [Member] Loans Payable to Bank, Current Loans Payable to Bank, Current Finite And Indefinite Lived Intangible Assets [Line Items] Finite And Indefinite Lived Intangible Assets [Line Items] Finite And Indefinite Lived Intangible Assets [Line Items] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Geographic Distribution [Axis] Geographic Distribution [Axis] Interest expense Interest Expense Stock Repurchased During Period, Average Price Stock Repurchased During Period, Average Price Stock Repurchased During Period, Average Price Other Other Intangible Assets [Member] Deferred Revenue Rollforward [Abstract] Deferred Revenue Rollforward [Abstract] Deferred Revenue Rollforward [Abstract] Proceeds received on asset sales Proceeds from Sale of Productive Assets Net cash used in investing activities of vehicle programs Net Cash Used In Investing Activities Of Vehicle Programs The net cash inflow (outflow) from investing activities of vehicle programs. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Other Other Long-term Debt Other Long-term Debt Other Restructuring [Member] Other Restructuring [Member] Adjustments related to New Accounting Pronouncements [Axis] Adjustments related to New Accounting Pronouncements [Axis] Adjustments related to New Accounting Pronouncements [Axis] Between 1 and 2 years (c) Long-Term Debt, Maturity, Year Two Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Budget [Member] Budget [Member] Budget [Member] Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Sales and use taxes Value Added Tax Receivable, Current Vehicle programs: Vehicle Programs Financing Activities [Abstract] Vehicle Programs Financing Activities [Abstract]. Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Debt Instrument [Axis] Debt Instrument [Axis] Noncontrolling Interest, Increase from Sale of Parent Equity Interest Noncontrolling Interest, Increase from Sale of Parent Equity Interest Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Basis of Presentation [Abstract] Basis of Presentation [Abstract] Basis of Presentation [Abstract] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Total assets exclusive of assets under vehicle programs Total Assets Exclusive Of Assets Under Vehicle Programs Sum of the carrying amounts as of the balance sheet date of all assets excluding assets relating to assets under vehicle programs that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Five and three over four Senior Notes Five and three over four Senior Notes [Member] Five and three over four Senior Notes Shares, Issued Shares, Issued Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gain (Loss) on Sale of Equity Investments Gain (Loss) on Sale of Equity Investments Other Receivables Other Receivables Brazil Restructuring [Member] Brazil Restructuring [Member] Brazil Restructuring [Member] Schedule of Other Current Assets [Table Text Block] Schedule of Other Current Assets [Table Text Block] Vehicles deprecation and lease charges, net [Member] Vehicles deprecation and lease charges, net [Member] Vehicles deprecation and lease charges, net Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Variable Lease, Cost Variable Lease, Cost Other Current Assets [Text Block] Other Current Assets [Text Block] Letters of Credit Issued Letters of Credit Outstanding, Amount Common stock, shares authorized Common Stock, Shares Authorized Four and One over Eight Euro-Denominated Senior Notes [Member] Four and One over Eight Euro-Denominated Senior Notes [Member] Four and One over Eight Euro-Denominated Senior Notes [Member] Restructuring Plan [Domain] Restructuring Plan [Domain] Operating Expense [Member] Operating Expense [Member] Purchase obligation over the next twelve months Recorded Unconditional Purchase Obligation, to be Paid, Year One Derivatives used in Net Investment Hedge, Net of Tax Derivatives used in Net Investment Hedge, Net of Tax Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Income Statement [Abstract] Income Statement [Abstract] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Realogy [Member] Realogy Corporation [Member] Realogy Corporation [Member] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Intangible assets amortization expense, year four Finite-Lived Intangible Asset, Expected Amortization, Year Four Long Term Borrowing By Type [Axis] Long Term Borrowing By Type [Axis] Long Term Borrowing By Type [Axis] Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Minimum pension liability adjustment (net of tax of $(1), $(1), $(1), and $(1), respectively) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Leasing Vehicles And Related Assets Pledged As Collateralized Debt Leasing Vehicles And Related Assets Pledged As Collateralized Debt Leasing Vehicles And Related Assets, Pledged As Collateralized Debt Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Interest rate swaps Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Current assets: Assets, Current [Abstract] Vehicle backed debt [Member] Vehicle Programs [Member] Vehicle Programs [Member] Net cash used in investing activities exclusive of vehicle programs Net Cash Used In Investing Activities Exclusive Of Vehicle Programs The net cash inflow (outflow) from investing activity exclusive of vehicle programs . Lease Revenues Disaggregated by Geography [Table Text Block] Lease Revenues Disaggregated by Geography [Table Text Block] A lessor shall consider the level of detail necessary to satisfy the disclosure objective and how much emphasis to place on each of the various requirements. A lessor shall aggregate or disaggregate disclosures so that useful information is not obscured by including a large amount of insignificant detail or by aggregating items that have different characteristics. Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Asset-Backed Securities, at Carrying Value Asset-Backed Securities, at Carrying Value Consolidated Entities [Axis] Consolidated Entities [Axis] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Corporate Interest Expense [Member] Corporate Interest Expense [Member] Corporate Interest Expense [Member] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Within 1 year (b) Long-Term Debt, Maturity, Year One Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Legal Entity [Axis] Legal Entity [Axis] City Area Code City Area Code Consolidation Items [Domain] Consolidation Items [Domain] Document Period End Date Document Period End Date Long-term Debt and Borrowing Arrangements Long-term Debt [Text Block] Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Loss Contingency Accrual Loss Contingency Accrual Debt financing fees Vehicle Programs Payments Of Financing Costs The cash outflow paid to third parties in connection with debt origination for vehicle programs, which will be amortized over the remaining maturity period of the associated long-term debt. Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Liabilities under vehicle programs: Liabilities Under Vehicle Program [Abstract] Liabilities Under Vehicle Program [Abstract] Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Income (loss) before income taxes Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Hedging Designation [Axis] Hedging Designation [Axis] Vehicle Rental Activities Vehicle Rental Activities [Text Block] Information related to the Company's vehicle rental activities. Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Accounts Payable, Other, Current Accounts Payable, Other, Current Stock Repurchased During Period, Value Stock Repurchased During Period, Value Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Entity [Domain] Entity [Domain] Deferred income taxes Deferred Income Taxes Represents the portion of deferred tax liabilities related to rental vehicles. A taxable temporary difference between the tax basis and the carrying amount of rental vehicles in the financial statements prepared in accordance with generally accepted accounting principles. Designated As Hedging Instruments [Member] Designated as Hedging Instrument [Member] Cover [Abstract] Cover [Abstract] Disaggregation of Revenue by Brand [Table Text Block] Disaggregation of Revenue by Brand [Table Text Block] [Table Text Block] for Disaggregation of Revenue by Brand [Table] Income taxes and deferred income taxes Increase Decrease In Income Taxes And Deferred Income Taxes Increase (Decrease) In Income Taxes And Deferred Income Taxes Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] Vehicles, net Vehicles, net Vehicles Net Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy. Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Units Of Gasoline Units Of Gasoline Units Of Gasoline Loans Payable [Member] Loans Payable [Member] Long-term Debt Long-term Debt Long-term Debt Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Customer relationships Customer Relationships [Member] Total expenses Costs and Expenses Stock Based Compensation Activity Share-based Payment Arrangement, Activity [Table Text Block] Equity Components [Axis] Equity Components [Axis] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Adjustments related to New Accounting Pronouncements [Domain] Adjustments related to New Accounting Pronouncements [Domain] [Domain] for Adjustments related to New Accounting Pronouncements [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Consolidated Entities [Domain] Consolidated Entities [Domain] Executive's Name [Axis] Executive's Name [Axis] Executive's Name [Axis] Other Related Charges [Abstract] Other Related Charges [Abstract] Other Related Charges [Abstract] Operating Lease, Liability, Current Operating Lease, Liability, Current Transaction-related costs, net Transaction-related costs, net Acquisition- and integration- related costs, net Vehicle Program Policy [Policy Text Block] Vehicle Program Policy [Policy Text Block] Vehicle Program Policy [Text Block] Schedule Of Available Funding Under The Vehicle Programs Schedule Of Available Funding Under Vehicle Program Table [Table Text Block] Tabular disclosure of information and detail of the capacity, outstanding balances and available funding under the vehicle programs (including related party debt due to Avis Budget Rental Funding). Segment Assets Exclusive Of Assets Under Vehicle Program Segment Assets Exclusive Of Assets Under Vehicle Program Segment assets exclusive of assets under vehicle program Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Weighted Average Grant Price, Canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) Derivative Instruments, Gain (Loss) [Line Items] Debt Instrument, Maturity Date, Description Debt Instrument, Maturity Date, Description Entity Interactive Data Current Entity Interactive Data Current Fair Value Of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Revenues Revenues [Abstract] Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate. Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Commodity Contracts [Member] Commodity Contract [Member] Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) Derivatives, Fair Value [Line Items] Interest Rate Swaps [Member] Interest Rate Swap [Member] Amortization expense for remainder of the year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Long Term Borrowings [Member] Long Term Borrowings [Member] Long Term Borrowings [Member] Operating lease liabilities Increase (Decrease) in Operating Lease Liabilities Increase (Decrease) in Operating Lease Liabilities Entity Registrant Name Entity Registrant Name Currency Translation Adjustments, Balance Currency Translation Adjustments, Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Business Acquisition [Line Items] Business Acquisition [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Components Of The Company's Vehicles Components Of Companys Vehicles Table [Table Text Block] Information on the components of the Company's vehicles, net within assets under the vehicle program. Executive's Name [Domain] Executive's Name [Domain] [Domain] for Executive's Name [Axis] Stock Issued During Period, Value, Treasury Stock Reissued Stock Issued During Period, Value, Treasury Stock Reissued Deferred Finance Costs, Net Deferred Finance Costs, Net Debt Issuance Costs, Net Leases [Text Block] Leases [Text Block] An entity that enters into a contract to obtain or provide the right to use an underlying asset for a period of time in exchange for consideration. Consolidation Items [Axis] Consolidation Items [Axis] Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount Not Designated As Hedging Instruments [Member] Not Designated as Hedging Instrument [Member] Debt Under Vehicle Programs [Member] Debt Under Vehicle Programs [Member] Debt Under Vehicle Programs [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Currency Translation Adjustments, Balance Currency Translation Adjustments, Balance Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Short-term operating lease liabilities Short-term Lease Commitment, Amount Balance as of January 1, 2020 Balance as of September 30, 2020 Restructuring Reserve Operating Lease, Lease Income Operating Lease, Lease Income Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Total liabilities exclusive of liabilities under vehicle programs Total Liabilities Exclusive Of Liabilities Under Vehicle Programs Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized, excluding liabilities under vehicle programs. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Trademarks Trademarks [Member] Components Of Other Comprehensive Income Comprehensive Income (Loss) [Table Text Block] Deferred Revenue Rollforward [Table Text Block] Deferred Revenue Rollforward [Table Text Block] [Table Text Block] for Deferred Revenue Rollforward [Table] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Restructuring Type [Axis] Restructuring Type [Axis] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Payment for Restructuring Payments for Restructuring Goodwill Unamortized Intangible Assets, Goodwill, Gross Carrying Amount Goodwill Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Document Transition Report Document Transition Report Debt Instrument, Face Amount Debt Instrument, Face Amount Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) Credit Derivatives [Line Items] Other current assets Other current assets Other Assets, Current Document Quarterly Report Document Quarterly Report Supplemental Balance Sheet Information related to Leases [Table Text Block] Supplemental Balance Sheet Information related to Leases [Table Text Block] Supplemental Balance Sheet Information related to Leases [Table Text Block] Sold [Member] Sold [Member] Sold [Member] Equity [Abstract] Equity [Abstract] Receivables Increase (Decrease) in Receivables EMEA [Member] EMEA [Member] Total Liabilities under vehicle programs Liabilities Under Vehicle Programs Liabilities Under Vehicle Programs Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Brand [Axis] Brand [Axis] Brand [Axis] Schedule Of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term Revision of Prior Period, Accounting Standards Update, Adjustment Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number of Shares Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number of Shares Outstanding Number of unvested equity awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Contract [Domain] Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Basic Earnings Per Share, Basic Senior Notes and Loans Payable [Member] Senior Notes and Loans Payable [Member] Senior Notes and Loans Payable [Member] Restructuring and Related Cost, Expected Cost Remaining Restructuring and Related Cost, Expected Cost Remaining Cumulative Effect of Accounting Cumulative Effect of Accounting Cumulative Effect of Accounting Entity File Number Entity File Number Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Number of RSUs, Canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Available Capacity Vehicle Program Debt Available Capacity Amount of borrowing capacity currently available under the vehicle program (current borrowing capacity less the amount of borrowings outstanding). Debt Disclosure [Abstract] Debt Disclosure [Abstract] Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Finite-lived Intangible Assets Acquired Finite-lived Intangible Assets Acquired Geographic Distribution [Domain] Geographic Distribution [Domain] Restructuring Plan [Axis] Restructuring Plan [Axis] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent before reclassifications Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent before reclassifications Loss Contingency, Range of Possible Loss, Portion Not Accrued Loss Contingency, Range of Possible Loss, Portion Not Accrued Stock-based compensation expense Share-based Payment Arrangement, Expense Less: Accumulated depreciation Accumulated Depreciation Accumulated depreciation recorded through the balance sheet date for vehicles involved in rental activities. Balance Sheet Location [Axis] Balance Sheet Location [Axis] Stock Issued During Period, Value, Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Common stock, $0.01 par value—authorized 250 shares; issued 137 shares, respectively Common Stock, Value, Issued Open Option Contracts Written, Number of Shares Open Option Contracts Written, Number of Shares Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Intangible assets amortization expense, year two Finite-Lived Intangible Asset, Expected Amortization, Year Two Short-term debt and current portion of long-term debt Short-term debt and current portion of long-term debt Long-term Debt, Current Maturities Entity Current Reporting Status Entity Current Reporting Status Currency Swap [Member] Currency Swap [Member] Option Premiums Paid Option Premiums Paid Option Premiums Paid Option Premiums Paid Proceeds from Sale of Equity Method Investments Proceeds from Sale of Equity Method Investments 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] Weighted Average Grant Price, Granted at fair market value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Floating Rate Term Loan Due March Two Thousand Nineteen [Member] Revolving Credit Facility Maturing Two Thousand Twenty One [Member] Revolving Credit Facility Maturing Two Thousand Twenty One [Member] Vehicle Interest Net [Member] Vehicle Interest Net [Member] Vehicle Interest Net 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 Cash and Cash Equivalents, at Carrying Value Foreign Exchange Contracts [Member] Foreign Exchange Forward [Member] Lease Revenues Disaggregated by Brand [Table Text Block] Lease Revenues Disaggregated by Brand [Table Text Block] A lessor shall consider the level of detail necessary to satisfy the disclosure objective and how much emphasis to place on each of the various requirements. A lessor shall aggregate or disaggregate disclosures so that useful information is not obscured by including a large amount of insignificant detail or by aggregating items that have different characteristics. Operating Lease, Liability Operating Lease, Liability Investment in vehicles Investment In Vehicles The cash outflow for acquisition of vehicles used in revenue generation activities. Long-term debt Long-term Debt, Excluding Current Maturities Long-term Debt, Excluding Current Maturities Segment Reporting [Abstract] Segment Reporting [Abstract] Interest Expense [Member] Interest Expense [Member] Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Debt Instrument [Line Items] Debt Instrument [Line Items] Interest Rate Cash Flow Hedge Liability at Fair Value Interest Rate Cash Flow Hedge Liability at Fair Value Restructuring and Related Cost, Number of Positions Eliminated Restructuring and Related Cost, Number of Positions Eliminated Net cash provided by (used in) financing activities exclusive of vehicle programs Net Cash Provided By Used In Financing Activities Exclusive Of Vehicle Programs Net Cash Used In Financing Activities Exclusive Of Vehicle Programs Total liabilities and stockholders’ equity Liabilities and Equity Accumulated other comprehensive loss Accumulated Other Comprehensive Income, Balance Accumulated Other Comprehensive Income, Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Cost, Depreciation Vehicle depreciation and lease charges, net Vehicle depreciation and lease charges, net Cost, Depreciation Accrued payroll and related Employee-related Liabilities, Current Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] International Debt Borrowings [Domain] International Debt Borrowings [Domain] International Debt Borrowings [Domain] Operating Lease, Cost Operating Lease, Cost Accounts payable and other current liabilities Accounts payable and other current liabilities Accounts Payable and Accrued Liabilities, Current Purchase [Member] Purchase [Member] Purchase [Member] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Four and One over Two Euro-Denominated Senior Notes [Member] Four and One over Two Euro-Denominated Senior Notes [Member] Four and One over Two Euro-Denominated Senior Notes [Member] Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Vehicle programs: Vehicle Programs Investing Activities [Abstract] Vehicle Programs Investing Activities [Abstract]. Adjustments related to New Accounting Pronouncements [Line Items] Adjustments related to New Accounting Pronouncements [Line Items] [Line Items] for Adjustments related to New Accounting Pronouncements [Table] Equity Component [Domain] Equity Component [Domain] 2020 Optimization [Member] 2020 Optimization [Member] 2020 Optimization Restructuring [Member] Total assets under vehicle programs: Assets Under Vehicle Programs Assets Under Vehicle Programs Assets Under Vehicle Programs Property and equipment, net Property, Plant and Equipment, Net Intangible assets amortization expense, year three Finite-Lived Intangible Asset, Expected Amortization, Year Three Avis [Member] Avis [Member] Avis [Member] Entity Tax Identification Number Entity Tax Identification Number Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Interest Rate Contracts [Member] Interest Rate Contract [Member] Net income (loss) Net Income (Loss) Attributable to Parent Debt Due To Rental Car Funding February 2026 [Member] Debt Due To Rental Car Funding February 2026 [Member] Debt Due To Rental Car Funding February 2026 Other Other Liabilities, Current Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Leases [Abstract] Leases [Abstract] Vehicle Rental Activities [Abstract] Vehicle Rental Activities [Abstract] Vehicle Rental Activities [Abstract] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Corporate and Other [Member] Corporate and Other [Member] Other (Member) Other Debt Under Vehicle Program [Member] Other debt under the vehicle program. Other Current Assets Disclosure [Abstract] Other Current Assets Disclosure [Abstract] Other Current Assets Disclosure [Abstract] Expenses Operating Expenses [Abstract] Debt Due To Rental Car Funding [Member] Debt Due To Avis Budget Rental Car Funding (Member) Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] Earnings (loss) per share Earnings Per Share [Abstract] Restructuring and other related charges Restructuring Charges Restructuring expense Restructuring Charges Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Ten and One over Two Euro-Denominated Senior Notes Ten and One over Two Euro-Denominated Senior Notes [Member] Ten and One over Two Euro-Denominated Senior Notes Net change in assets and liabilities: Net Change In Assets And Liabilities Excluding Impact Of Acquisitions And Dispositions [Abstract] Net change in assets and liabilities, excluding the impact of acquisitions and dispositions. Accrued sales and use taxes Accrued Sales And Use Taxes Current Accrued sales and use taxes current Ten And One Over Two Senior Notes [Member] Ten And One Over Two Senior Notes [Member] Ten And One Over Two Senior Notes Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Proceeds received on disposition of vehicles Proceeds Received On Disposition Of Vehicles The cash inflow from the sale of vehicles used in revenue generation activities. Intangible assets amortization expense, year five Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Fiscal Period Focus Document Fiscal Period Focus Stock Issued During Period, Value, Restricted Stock Award, Gross Stock Issued During Period, Value, Restricted Stock Award, Gross Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Payments on long-term borrowings Principal Payments On Long Term Borrowings The cash outflow for a borrowing having initial term of repayment of more than one year or the normal operating cycle, if longer; and/or the cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. Debt under vehicle programs Vehicle Program Outstanding Debt Vehicle Program Outstanding Debt Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Entity Filer Category Entity Filer Category Common Stock [Member] Common Stock [Member] Adjustments related to New Accounting Pronouncements [Table] Adjustments related to New Accounting Pronouncements [Table] Adjustments related to New Accounting Pronouncements [Table] Accounts Payable and Other Current Liabilities [Abstract] Accounts Payable and Other Current Liabilities [Abstract] Accounts Payable and Other Current Liabilities [Abstract] Reconciliation of cash and cash equivalents (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents, program and restricted cash (2016-18) [Table Text Block] Brand [Domain] Brand [Domain] [Domain] for Brand [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Available Capacity Line of Credit Facility, Remaining Borrowing Capacity Payments on borrowings Principal Payments On Borrowings From Financing Activities Within Vehicle Programs The net cash outflow on repayment of principal on borrowings used for vehicle programs Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Amortized Intangible Assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Debt instrument stated interest percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Restructuring and Related Cost, Expected Number of Positions Eliminated Restructuring and Related Cost, Expected Number of Positions Eliminated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Property leases [Member] Property leases [Member] Property leases [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Schedule Of Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Net increase (decrease) in cash and cash equivalents, program and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Total Capacity (a) Vehicle Program Debt Total Capacity Maximum borrowing capacity under the vehicle program without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the program. Derivative, Amount of Hedged Item Derivative, Amount of Hedged Item Charges related to voluntary termination program, Number of Positions Eliminated Charges related to voluntary termination program, Number of Positions Eliminated Charges related to voluntary termination program, Number of Positions Eliminated Fair Value, Asset Derivatives Derivative Asset, Fair Value, Amount Not Offset Against Collateral Basis of Accounting, Policy [Policy Text Block] Basis of Accounting, Policy [Policy Text Block] Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Currency translation adjustments (net of tax of $12, $(12), $12, and $(14), respectively) Currency Translation Adjustments, Current period change Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Treasury stock, shares Treasury Stock, Shares Debt Due To Rental Car Funding August 2025 [Member] Debt Due To Rental Car Funding August 2025 [Member] Debt Due To Rental Car Funding August 2025 Other Nonrecurring Expense Other Nonrecurring Expense Personnel Employee Severance [Member] Between 4 and 5 years Long-Term Debt, Maturity, Year Five Reported Value Measurement [Member] Reported Value Measurement [Member] Vehicle Program Debt Amount Outstanding Outstanding Borrowings (b) Vehicle Program Debt Amount Outstanding Amount borrowed under the vehicle program as of the balance sheet date. Debt Under Vehicle Programs Interest Rate Swaps And Interest Rate Contracts Debt Under Vehicle Programs Interest Rate Swaps And Interest Rate Contracts Debt under vehicle programs, interest rate swaps and interest rate contracts. Equity Securities without Readily Determinable Fair Value, Amount Equity Securities without Readily Determinable Fair Value, Amount Total stockholders’ equity Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Additional paid-in capital Additional Paid in Capital Intangible assets amortization expense, year one Finite-Lived Intangible Asset, Expected Amortization, Year One Revenues Revenues Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Property and equipment additions Property And Equipment Additions Current year acquisitions of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, and production equipment; or the cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Revolving Credit Facility Maturing Two Thousand Twenty Three [Member] Revolving Credit Facility Maturing Two Thousand Twenty Three [Member] Provision for (benefit from) income taxes Income Tax Expense (Benefit) Depreciation expense Vehicle Depreciation Expense Amount of depreciation expense recorded on rental vehicles. Cash and cash equivalents, program and restricted cash, beginning of period Cash and cash equivalents, program and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Equity Method Investment, Realized Gain (Loss) on Disposal Equity Method Investment, Realized Gain (Loss) on Disposal Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Diluted Earnings Per Share, Diluted Schedule Of Debt Under Vehicle Programs Schedule Of Debt Under Vehicle Programs Table [Table Text Block] Tabular disclosure of information pertaining to debt instruments under the vehicle program including amounts borrowed and other information necessary to a fair presentation. Local Phone Number Local Phone Number Americas [Member] Americas Americas [Member] Cash and Cash Equivalents, at Carrying Value [Abstract] Cash and Cash Equivalents, at Carrying Value [Abstract] Long-term Debt, Gross Long-term debt Long-term Debt, Gross Schedule Of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Investments, All Other Investments [Abstract] Investments, All Other Investments [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Stock Options Exercised Unamortized Intangible Assets, Trademarks, Gross Carrying Amount Indefinite-lived Intangible Assets (Excluding Goodwill) Stock-based compensation expense (net of tax) Share-based Payment Arrangement, Expense, after Tax Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Award Type [Axis] Award Type [Axis] Amortized Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Amortization of debt financing fees Amortization of Debt Issuance Costs Operating Operating Costs and Expenses Preferred stock, shares authorized Preferred Stock, Shares Authorized Retained Earnings [Member] Retained Earnings [Member] Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Measurement Basis [Axis] Measurement Basis [Axis] Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Four and three over four Euro-Denominated Senior Notes [Member] Four and three over four Euro-Denominated Senior Notes [Member] Four and three over four Euro-Denominated Senior Notes [Member] Other Brands [Member] Other Brands [Member] Other Brands [Member] Net cash provided by financing activities of vehicle programs Net Cash Provided By Used In Financing Activities Of Vehicle Programs Net Cash Provided By Used In Financing Activities Of Vehicle Programs Award Type [Domain] Award Type [Domain] 2020 Avis and Budget Licensees [Member] 2020 Avis and Budget Licensees [Member] 2020 Avis and Budget Licensees [Member] Summary Of Changes To Restructuring-Related Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Trading Symbol Trading Symbol Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Debt Debt Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Program cash Program Cash The carrying amounts of cash and cash equivalent items related to vehicle programs which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Treasury stock, at cost—67 and 63 shares, respectively Treasury Stock, Value Facility Closing [Member] Facility Closing [Member] Earnings Per Share Earnings Per Share [Text Block] Financial Instruments Financial Instruments Disclosure [Text Block] Current liabilities: Liabilities, Current [Abstract] Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Entity Shell Company Entity Shell Company Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]