Total lease revenues Operating Lease, Lease Income Foreign Current Foreign Tax Expense (Benefit) Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Related Party Transactions [Abstract] Deferred income taxes Deferred Income Tax Assets, Net Long-term debt Total Long-Term Debt, Gross Finance Lease ROU assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding 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. Debt Instrument [Axis] Debt Instrument [Axis] Pension and post-retirement benefits, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Property and equipment, gross Property, Plant and Equipment, Gross Total Total Finance Lease, Liability Vehicle-backed debt Debt Instrument, Fair Value Disclosure Property acquired Property, Plant and Equipment, Additions Foreign exchange contracts Foreign Exchange Contract [Member] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Additional paid-in capital Additional Paid in Capital Fair Value Measurement [Domain] Fair Value Measurement [Domain] Basis points Debt Instrument, Basis Spread on Variable Rate Between 3 and 4 years Finance Lease, Liability, to be Paid, Year Four Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Deferred income tax assets, net Deferred Tax Assets, Net Vehicles held for sale Vehicles Held For Sale The recorded value of rental vehicles held for sale, net of accumulated depreciation. Debt instrument interest percentage Debt Instrument, Interest Rate, Stated Percentage Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Effect of Derivatives Recognized Derivative Instruments, Gain (Loss) [Table Text Block] Avis Budget Rental Car Funding Program August 2025 Avis Budget Rental Car Funding Program August 2025 [Member] Avis Budget Rental Car Funding Program August 2025 Funded Status Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Vehicles damaged in overflow parking lots, net of insurance proceeds Unusual Or Infrequent Item Or Both, Vehicles Damaged In Overflow Parking Lots, Net Of Insurance Proceeds Unusual Or Infrequent Item Or Both, Vehicles Damaged In Overflow Parking Lots, Net Of Insurance Proceeds 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. Vehicle Programs, Net Vehicle Programs, Net [Member] Vehicle programs, net [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. State Current State and Local Tax Expense (Benefit) Between 2 and 3 years Finance Lease, Liability, to be Paid, Year Three Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive non-vested stock (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Interest Expense Interest Expense [Member] Secured Debt Secured Debt [Member] Investment in debt securities of Avis Budget Rental Car Funding (AESOP)—related party Repayments of Related Party Debt Ownership [Axis] Ownership [Axis] Investment, Name [Domain] Investment, Name [Domain] Additions for tax positions related to current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Schedule of Changes in Gross Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Debt financing fees Payments of Financing Costs Adjustments to reconcile to the effective rate: Effective Income Tax Rate Reconciliation, Percent [Abstract] Related Party [Domain] Related Party [Domain] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] 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. Hedging Designation [Domain] Hedging Designation [Domain] Fair value of assets at end of prior year Fair value of assets at end of current year Total assets Defined Benefit Plan, Plan Assets, Amount Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Supplemental disclosure Supplemental Cash Flow Information [Abstract] 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 Restructuring payment/utilization: Payment For Restructuring/Utilization Payment For Restructuring/Utilization 5.125% Senior Notes Due 2022 Five Point One Two Five Percent Senior Notes Due 2022 [Member] Five Point One Two Five Percent Senior Notes Due 2022 Outstanding Borrowings Long-Term Line of Credit Entity Address, State or Province Entity Address, State or Province Earnings of foreign subsidiaries Deferred Tax Liabilities, Undistributed Foreign Earnings Contributions from non-controlling interests Noncontrolling Interest, Increase from Sale of Parent Equity Interest Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Other accounts payables Accounts Payable, Other, Current Award Type [Axis] Award Type [Axis] Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Estimated future benefit payments, 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Earnings (loss) per share: Earnings (loss) Per Share [Abstract] Earnings (loss) Per Share Short-term operating lease liabilities Operating Lease, Liability, Current SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Property leases Lease, Cost [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] 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. Long-term debt Long-Term Debt, Excluding Current Maturities Avis Budget Rental Car Funding Program September 2022 Avis Budget Rental Car Funding Program September 2022 [Member] Avis Budget Rental Car Funding Program September 2022 Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Proceeds received on asset sales Proceeds from Sale of Productive Assets Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Alternative Investment Alternative Investment [Member] Alternative Investment Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Revenue Recognition and Deferred Revenue Revenue from Contract with Customer [Policy Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Document Type Document Type Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Long-term Corporate Debt and Borrowing Arrangements Long-Term Debt [Text Block] Rental vehicles Rental Vehicles The cost of vehicles used in rental activities. Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] (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 Severance costs Severance Costs Balance (in dollars per share) Balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Contract With Customer, Liability [Roll Forward] Contract With Customer, Liability [Roll Forward] Contract With Customer, Liability Deferred income taxes Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Non Vehicle Related Depreciation And Amortization, Excluding Cloud Computing Expense Non Vehicle Related Depreciation And Amortization, Excluding Cloud Computing Expense Non Vehicle Related Depreciation And Amortization, Excluding Cloud Computing Expense Non-current assets Assets for Plan Benefits, Defined Benefit Plan Derivative gain (loss) recognized in OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax 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. Schedule of Changes in Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Assets under vehicle programs: Assets Under Vehicle Programs [Abstract] Assets under vehicle program U.S. equities Domestic Stock [Member] Domestic stock [Member] Income Tax Examination [Table] Income Tax Examination [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Disclosure [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Depreciation and amortization Deferred Tax Assets Depreciation And Amortization Deferred tax assets depreciation and amortization Asia and Australasia Asia and Australasia [Member] Asia and Australasia [Member] Acquisition-related Costs Acquisition-related Costs [Member] Short-term debt and current portion of long-term debt Long-Term Debt, Current Maturities Finite-lived intangible assets acquired Finite-Lived Intangible Assets Acquired Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] Floating Rate Term Loan Floating Rate Term Loan Due August Two Thousand Twenty Seven [Member] Floating Rate Term Loan Due February Two Thousand Twenty Five [Member] Line of Credit Line of Credit [Member] Variable lease expense Variable Lease, Cost Plan assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets 6.375% Senior Notes Six Point Three Seven Five Percent Senior Notes [Member] Six Point Three Seven Five Percent Senior Notes Taxes on foreign operations at rates different than U.S. federal statutory rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Interest cost Defined Benefit Plan, Interest Cost Long-term vehicle finance lease liabilities Finance Lease, Liability, Noncurrent Schedule of Weighted Average Assumptions Used Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Non-controlling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Related Party Transaction [Line Items] Related Party Transaction [Line Items] Schedule of Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Provision for (Benefit From) Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] 10.500% Senior Secured Notes Ten Point Five Percent Senior Secured Notes Due 2025 [Member] Ten Point Five Percent Senior Secured Notes Due 2025 Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Restructuring Plan [Domain] Restructuring Plan [Domain] Schedule of Intangible Assets Amortization Expense Schedule of Finite-Lived Intangible Assets [Table Text Block] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Derivative Contract [Domain] Derivative Contract Type [Domain] Derivative Contract [Domain] Entity Registrant Name Entity Registrant Name Estimated future benefit payments, 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Repurchased face amount Debt Instrument, Repurchased Face Amount Subsequent Event Subsequent Events [Text Block] Non-vehicle related depreciation and amortization Non-vehicle 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 International [Member] International [Member] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Non-vehicle depreciation and amortization Non Vehicle Related Depreciation, Excluding Certain Cost Non Vehicle Related Depreciation, Excluding Certain Cost Net benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Employee Benefit Plans Retirement Benefits [Text Block] Europe, Middle East and Africa EMEA [Member] Leases [Abstract] Leases [Abstract] Total stockholders’ equity Beginning balance Ending balance Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net tax loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Principles of Consolidation Consolidation, Policy [Policy Text Block] 4.750% Senior Notes Four Point Seven Five Percent Senior Notes Due 2028 [Member] Four Point Seven Five Percent Senior Notes Due 2028 Minimum Minimum [Member] Entity Emerging Growth Company Entity Emerging Growth Company Common stock (in dollars per share) Common Stock, Par or Stated Value Per Share Company Subsidiary Company Subsidiary [Member] Company Subsidiary Net unrealized holding gains (losses), net of tax of $(20), $(6), and $14, respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Investment, Name [Axis] Investment, Name [Axis] Trading Symbol Trading Symbol Entity File Number Entity File Number Other Other Liabilities [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Intangible assets amortization expense, year four Finite-Lived Intangible Asset, Expected Amortization, Year Four Fines And Fees Charged To Renters Fines And Fees Charged To Renters [Member] Fines And Fees Charged To Renters Reclassification of currency translation adjustments to earnings Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Supplemental Balance Sheet Information Related to Leases [Line Items] Supplemental Balance Sheet Information Related to Leases [Line Items] [Line Items] for Supplemental balance sheet information related to leases [Table] Currency translation adjustments, tax OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Foreign Deferred Foreign Income Tax Expense (Benefit) Title of Individual [Axis] Title of Individual [Axis] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative Instruments Derivatives, Policy [Policy Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Effective income tax rate, continuing operations, total Effective Income Tax Rate Reconciliation, Percent Schedule of Line of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Expected company contributions Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Operating Leases Lessee, Operating Lease, Liability, to be Paid, Rolling Maturity [Abstract] Use of Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] T22 T22 [Member] T22 Acquisitions Business Combination Disclosure [Text Block] Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Taxes Income Tax Disclosure [Text Block] Revenue from related parties Revenue from Related Parties Weighted average interest rate Debt, Weighted Average Interest Rate Comprehensive loss: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] 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. Long-term debt Secured Long-Term Debt, Noncurrent Sales and use taxes Value Added Tax Receivable, Current Aggregate intrinsic value outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Credit Facility [Domain] Credit Facility [Domain] Schedule of Funded Status of Pension Plans Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] Operating Operating Costs and Expenses Basic (in USD per share) Earnings Per Share, Basic Brazil Brazil Restructuring [Member] Brazil Restructuring [Member] Reclassification of cash flow hedges to earnings, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Fair value vested in period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Reclassification from accumulated other comprehensive income (loss) into interest expense Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Workers compensation liabilities Deferred Compensation Liability, Current and Noncurrent Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] 5.250% Senior Notes Five Point Two Five Percent Senior Notes Due 2025 [Member] Five Point Two Five Percent Senior Notes Due 2025 Shares issued to non-employee directors (in shares) Deferred Compensation Arrangement with Individual, Shares Issued Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-Lived Intangible Assets [Axis] Prepaid expenses Prepaid Expense, Current Ownership [Domain] Ownership [Domain] Entity Interactive Data Current Entity Interactive Data Current Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Electronic Toll Service Dispute Electronic Toll Service Dispute [Member] Electronic Toll Service Dispute Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Realogy Realogy Corporation [Member] Realogy Corporation [Member] Between 4 and 5 years Finance Lease, Liability, to be Paid, Year Five Leasing’s vehicles and related assets Leasing Vehicles And Related Assets Pledged As Collateralized Debt Leasing Vehicles And Related Assets, Pledged As Collateralized Debt Repurchases of common stock Payments for Repurchase of Common Stock Issued percentage of face value Debt Instrument, Portion Of Face Value, Percentage Debt Instrument, Portion Of Face Value, Percentage Thereafter Long-Term Debt, Maturity, after Year Five Taxes Income Tax, Policy [Policy Text Block] Covid-19 charges Covid-19 charges Unusual Or Infrequent Items Or Both, Covid Charges Unusual Or Infrequent Items Or Both, Covid Charges Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Vehicle Programs Deferred financing fees Vehicle Programs [Member] Vehicle Programs [Member] Receivables (net of allowance for doubtful accounts of $86 and $84, respectively) Receivables, Net, Current Current assets: Assets, Current [Abstract] Revenue deferred Contract With Customer, Liability, Deferred Revenue Contract With Customer, Liability, Deferred Revenue Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Accumulated Other Comprehensive Income (Loss) AOCI Including Portion Attributable to Noncontrolling Interest [Member] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Provision for doubtful accounts Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss Trademarks Trademarks [Member] Related Party Transactions Related Party Transactions Disclosure [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Foreign Plan Foreign Plan [Member] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Vehicle finance leases Finance Lease, Principal Payments 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. Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Liabilities under vehicle programs: Liabilities Under Vehicle Program [Abstract] Liabilities Under Vehicle Program [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule Of Commitments And Contingencies [Table] Loss Contingencies [Table] Current income tax provision Current Income Tax Expense (Benefit) Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Deferred income tax liabilities: Deferred Tax Liabilities, Gross [Abstract] 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. Assets Assets [Member] 4.750% euro-denominated Senior Notes Four Point Seven Five Percent Euro-Denominated Senior Notes Due 2026 [Member] Four Point Seven Five Percent Euro-Denominated Senior Notes Due 2026 Schedule of Stock Based Compensation Activity Share-Based Payment Arrangement, Activity [Table Text Block] European credit facility Newly Issued European Credit Facility Newly Issued European Credit Facility Total Capacity Line of Credit Facility, Current Borrowing Capacity Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Investments in joint ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Vehicles, net Vehicles, net Vehicles Net Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy. Goodwill Goodwill beginning balance Goodwill ending balance Goodwill Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Provision for (benefit from) income taxes Provision for (benefit from) income taxes Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Valuation allowance Deferred Tax Assets, Valuation Allowance Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Entity Public Float Entity Public Float Avis Budget Rental Car Funding Program September 2023 Avis Budget Rental Car Funding Program September 2023 [Member] Avis Budget Rental Car Funding Program September 2023 Supplemental Cash Flow Information Related to Leases [Table] Supplemental Cash Flow Information Related to Leases [Table] Supplemental cash flow information related to leases [Table] Liabilities accrued for asset retirement obligations Asset Retirement Obligation Interest rate swaps and interest rate caps Derivative Liability Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Minimum pension liability adjustment: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Schedule Of Commitments And Contingencies [Line Items] Loss Contingencies [Line Items] Estimated future benefit payments, 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year One Assets exclusive of assets under vehicle programs Segment Assets Exclusive Of Assets Under Vehicle Program Segment assets exclusive of assets under vehicle program Accounts payable and other current liabilities Accounts payable and other current liabilities Accounts Payable and Accrued Liabilities, Current Assets In Argentina Assets In Argentina [Member] Assets In Argentina Common stock, $.01 par value—authorized 250 shares; issued 137 shares, respectively Common Stock, Value, Issued Percentage of margin aggregate interest rate Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate. Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Notes Senior Notes [Member] Deferred income tax assets: Deferred Tax Assets, Gross [Abstract] Other (income) expense, net Other Operating Income (Expense), Net Schedule of Outstanding Common Stock Equivalents That Were Anti-Dilutive Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Current liabilities Liability, Defined Benefit Plan, Current Accumulated benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Accrued liabilities and deferred revenue Deferred Tax Assets Accrued Liabilities And Deferred Income Non Current Deferred Tax Assets, Accrued Liabilities And Deferred Income, Non Current Cash and cash equivalents, program and restricted cash, beginning of period Cash and cash equivalents, program and restricted cash, end of period Total cash and cash equivalents, program and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Current liabilities: Liabilities, Current [Abstract] Stock-based compensation Effective Income Tax Rate Reconciliation, Stock-based Compensation, Percent Effective Income Tax Rate Reconciliation, Stock-based Compensation, Percent Deferred lease revenues – current Contract with Customer, Liability, Current Board of Directors Chairman Board of Directors Chairman [Member] Interest on lease liabilities Finance Lease, Interest Expense Stockholders’ Equity Attributable to Avis Budget Group, Inc. Parent [Member] Income Statement Location [Domain] Income Statement Location [Domain] Outstanding weighted average remaining contractual terms (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Avis Budget Rental Car Funding Program March 2023 Avis Budget Rental Car Funding Program March 2023 [Member] Avis Budget Rental Car Funding Program March 2023 Amendment Flag Amendment Flag Weighted average useful life (in years) Finite-Lived Intangible Asset, Useful Life Operating lease expense Operating Lease, Cost SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Projects in process Construction in Progress [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other non-current assets Other Assets, Noncurrent Americas – Debt borrowings Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] European Rental Fleet Securitization European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] Commodity contract Commodity Contract [Member] Counterparty Name [Axis] Counterparty Name [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accounts Payable and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Depreciation and amortization Deferred Tax Liabilities Depreciation And Amortization Deferred Tax Liabilities, Depreciation and Amortization Total Liabilities under vehicle programs Liabilities Under Vehicle Programs Liabilities Under Vehicle Programs Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Foreign currency translation Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation Labor and related expense Labor and Related Expense Operating leases Operating Lease, Payments Domestic Plan Domestic Plan [Member] Pension and post-retirement benefits, net of tax of $(4), $(13), and $12, respectively Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Expected volatility of stock price Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Fair Value, Liability  Derivatives Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Loss on sale Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Receivable Accounts Receivable, Allowance for Credit Loss, Current Common stock authorized (in shares) Common Stock, Shares Authorized 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. Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Maximum Maximum [Member] 5.5% Senior Notes Due 2023 Five Point Five Percent Senior Notes Due 2023 [Member] Five Point Five Percent Senior Notes Due 2023 Less: Accumulated depreciation Accumulated Depreciation Accumulated depreciation recorded through the balance sheet date for vehicles involved in rental activities. Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Limited Voluntary Opportunity Plan (“LVOP”) Limited Voluntary Opportunity Plan (“LVOP”) [Member] Limited Voluntary Opportunity Plan (“LVOP”) Loss on equity method investments Equity Securities, FV-NI, Gain (Loss) Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Tax Valuation Allowance Valuation Allowance Of Tax Assets [Member] Valuation allowance of Tax assets [Member] Line of Credit Facility [Table] Line of Credit Facility [Table] Capitalized software Computer Software, Intangible Asset [Member] Schedule of Carrying Amounts and Estimated Fair Values Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Other Other Long-Term Debt Sublease income Sublease Income Variable Interest Entity (“VIE”) Consolidation, Variable Interest Entity, Policy [Policy Text Block] Short-term debt and current portion of long-term debt Less: Short-term debt and current portion of long-term debt Short-Term Debt Title of 12(b) Security Title of 12(b) Security Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Subsequent Event [Line Items] Subsequent Event [Line Items] Operating lease right-of-use assets Deferred Tax Liability Operating lease right of use assets Deferred Tax Liability Operating lease right of use assets Non-U.S. equities International Stock [Member] International stock [Member] Consideration, rights to operate period Disposal Group, Including Discontinued Operation, Consideration, Period Disposal Group, Including Discontinued Operation, Consideration, Period Schedule of Assumptions Used to Determine Pension Obligations and Pension Costs Defined Benefit Plan, Assumptions [Table Text Block] Segment Information Segment Reporting Disclosure [Text Block] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Receivables due from former subsidiaries Other Receivables Schedule of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Deferred income tax liabilities under vehicle programs, net Deferred Tax Liabilities, Net 4.125% euro-denominated Senior Notes Four Point One Two Five Percent Euro-Denominated Senior Notes [Member] Four Point One Two Five Percent Euro-Denominated Senior Notes Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Estimated Fair Value Estimate of Fair Value Measurement [Member] Purchase Purchase [Member] Purchase [Member] Accounts payable Accounts Payable, Current Income Tax Authority [Axis] Income Tax Authority [Axis] Vehicle programs: Vehicle Programs Investing Activities [Abstract] Vehicle Programs Investing Activities [Abstract]. 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[Member] Schedule of Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Related Party [Axis] Related Party [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] Debt Due To Rental Car Funding February2027 Debt Due To Rental Car Funding February 2027 [Member] Debt Due To Rental Car Funding February 2027 Land Land [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Finance Lease Receivable Finance Lease Receivable [Member] Finance Lease Receivable Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Disposal Group Name [Domain] Disposal Group Name [Domain] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Level 2 Fair Value, Inputs, Level 2 [Member] Brand [Domain] Brand 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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 Unprecedented personal-injury and other legal matters, net Unprecedented Personal-Injury And Other Legal Matters, Net Unprecedented Personal-Injury And Other Legal Matters, Net Non-cash activities - increase in ROU assets in exchange for lease liabilities: Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability Avis Budget Rental Car Funding Program March 2025 Avis Budget Rental Car Funding Program March 2025 [Member] Avis Budget Rental Car Funding Program March 2025 2023 Long-Term Debt, Maturity, Year One Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Debt Debt Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Variable Rate [Axis] Variable Rate [Axis] Other non-current liabilities Other Liabilities, Noncurrent Program cash 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. Interest rate caps Interest rate swaps and interest rate caps Interest Rate Contract [Member] Leases Lessor, Operating Leases [Text Block] Weighted Average Weighted Average [Member] Intangible assets amortization expense, year one Finite-Lived Intangible Asset, Expected Amortization, Year One Benefit obligation at end of prior year Benefit obligation at end of current year Defined Benefit Plan, Benefit Obligation Amount of hedged item Derivative, Amount of Hedged Item Thereafter Finance Lease, Liability, to be Paid, after Year Five Schedule of Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Aggregate interest rate Line of Credit Facility, Interest Rate at Period End Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP)—related party Proceeds from Related Party Debt Avis Budget Rental Car Funding Program March 2024 Avis Budget Rental Car Funding Program March 2024 [Member] Avis Budget Rental Car Funding Program March 2024 Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total lease payments Lessee, Operating Lease, Liability, to be Paid Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Aggregate intrinsic value, outstanding and 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 Entity Address, Postal Zip Code Entity Address, Postal Zip Code 2024 Long-Term Debt, Maturity, Year Two Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Business Combinations Business Combinations Policy [Policy Text Block] Plan amendments Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Total Capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Balance, beginning Balance, ending Restructuring Reserve Currency translation adjustments, net of tax of $(11), $(20) and $23, respectively Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Capitalized software Software and Software Development Costs [Member] Other charges Supplies Expense Share based compensation percentage in annual base salary, max Share Based Compensation Percentage In Annual Base Salary, Max Share Based Compensation Percentage In Annual Base Salary, Max Other, net Payments for (Proceeds from) Other Investing Activities Statistical Measurement [Domain] Statistical Measurement [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Accrued advertising and marketing Accrued Advertising And Marketing Costs, Current accrued marketing and commissions Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] All Other Countries All Other Countries [Member] All other countries [Member] Net long-lived assets Long-Lived Assets Net periodic (benefit) cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Repayments of debt Repayments of Debt Repurchases of common stock Share repurchased during period Treasury Stock, Value, Acquired, Cost Method Net income (loss) attributable to Avis Budget Group, Inc. Net income (loss) attributable to Avis Budget Group, Inc. Net Income (Loss) Attributable to Parent Leases Lessee, Finance Leases [Text Block] Debt Securities Debt Securities [Member] Other Other Intangible Assets [Member] Self-Insurance Reserves Self Insurance Reserves Policy [Policy Text Block] Self Insurance Reserves [Policy Text Block] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Subsequent Event Type Subsequent Event Type [Axis] Avis Budget Rental Car Funding Program September 2024 Avis Budget Rental Car Funding Program September 2024 [Member] Avis Budget Rental Car Funding Program September 2024 [Member] Floating Rate Term Loan Floating Rate Term Loan Due March Two Thousand Twenty Nine [Member] Floating Rate Term Loan Due March Two Thousand Twenty Nine Amortization of right-of-use assets Amortization of Right-Of-Use Assets Amortization of Right-Of-Use Assets Restructuring Plan [Axis] Restructuring Plan [Axis] Net assets acquired (net of cash acquired) Payments to Acquire Restricted Investments Leases Lessee, Operating Leases [Text Block] Total Debt and Lease Obligation Less: Adjustments To EBITDA [Abstract] Adjustments To EBITDA Amortization expense relating to capitalized computer software Capitalized Computer Software, Amortization Treasury stock, at cost 98 and 81 shares, respectively Treasury Stock, Common, Value Debt issuance discount, percent Debt Instrument, Issuance Discount, Percent Debt Instrument, Issuance Discount, Percent stock-based compensation expense, net of tax Share-Based Payment Arrangement, Expense, after Tax 5.375% Senior Notes Five Point Three Seven Five Percent Senior Notes Due 2029 [Member] Five Point Three Seven Five Percent Senior Notes Due 2029 Operating lease expense Lease charges Vehicle Lease Charges Amount of lease charges recorded on rental vehicles. Derivative Instrument [Axis] Derivative Instrument [Axis] Asset-backed securities, at carrying value Asset-Backed Securities, at Carrying Value Goodwill [Line Items] Goodwill [Line Items] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Expense Type [Domain] Expense Type [Domain] Expense Type [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Receivables From Related Party Receivables From Related Party [Member] Receivables From Related Party Finance Leases Finance Lease, Liability, to be Paid, Rolling Maturity [Abstract] Related Party Transaction [Domain] Related Party Transaction [Domain] Estimated loss Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Transaction-related Costs, net Transaction Related Costs Policy [Policy Text Block] Transaction Related Costs [Policy Text Block] Franchise Rights Franchise Rights [Member] Document Annual Report Document Annual Report Legal Entity [Axis] Legal Entity [Axis] Subsidiary Issuers Subsidiaries [Member] Geographical [Axis] Geographical [Axis] Non-current liabilities Liability, Defined Benefit Plan, Noncurrent Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Preferred stock issued (in shares) Preferred Stock, Shares Issued Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Rental Vehicles net, total Rental Vehicles Net Rental Vehicles Net Estimated future benefit payments, 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 4.500% euro-denominated Senior Notes Four Point Five Percent Euro-Denominated Senior Notes Due 2025 [Member] Four Point Five Percent Euro-Denominated Senior Notes Due 2025 Restructuring Type [Axis] Restructuring Type [Axis] Americas Americas Segment [Member] Americas Segment Business Segments Segments [Axis] Jose Mendez v Avis Budget Group Inc Jose Mendez v Avis Budget Group Inc [Member] Jose Mendez v Avis Budget Group Inc Debt under Vehicle Programs and Borrowing Arrangements Debt Disclosure [Text Block] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Reductions for tax positions for prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Schedule of Defined Benefit Pension Plans' Assets Fair Value Schedule of Allocation of Plan Assets [Table Text Block] Within 1 year Lessee, Operating Lease, Liability, to be Paid, Year One 2025 Long-Term Debt, Maturity, Year Three Buses and support vehicles Fleet Vehicles [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Affiliated Entity Affiliated Entity [Member] Financial Instruments Financial Instruments Disclosure [Text Block] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Subsequent Event Subsequent Event [Member] Digital marketing cost Marketing Expense Document Period End Date Document Period End Date Deferred tax assets Deferred Tax Assets State And Local Deferred tax assets state and local Other Current Assets Other Current Assets [Text Block] Charges related to voluntary termination program Charges related to voluntary termination program Charges related to voluntary termination program Schedule of Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Total assets Assets Assets Earnings (loss) per share Earnings Per Share [Abstract] Aggregate purchase obligations Recorded Unconditional Purchase Obligation Accrued sales and use taxes Sales and Excise Tax Payable, Current Performance-based and market-based RSUs Performance Shares [Member] Antidilutive Securities Antidilutive Securities [Axis] Wyndham Wyndham Worldwide Corporation [Member] Wyndham Worldwide Corporation [Member] Interest rate swaps Interest Rate Swap [Member] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Between 4 and 5 years Lessee, Operating Lease, Liability, to be Paid, Year Five Purchase commitment period increase Long-term Purchase Commitment, Period Increase Long-term Purchase Commitment, Period Increase Stock repurchase program, authorized amount (up to) Stock Repurchase Program, Authorized Amount Amount Long-Term Debt, Unclassified [Abstract] Accrued payroll and related Employee-related Liabilities, Current Maturities of lease liabilities [Line Items] Maturities of lease liabilities [Line Items] Maturities of lease liabilities [Line Items] (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. Income (loss) before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 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. Segments [Domain] Segments [Domain] Avis Budget Rental Car Funding Program Avis Budget Rental Car Funding Program [Member] Avis Budget Rental Car Funding Program [Member] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Earnings Per Share Earnings Per Share [Text Block] Other Deferred Tax Liabilities, Other Interest rate caps Interest Rate Cap [Member] Outstanding and expected to vest, weighted average grant date fair value (in dollars per share) 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. Goodwill Goodwill, Gross 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). 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Shares issued (in shares) Stock Issued During Period, Shares, New Issues Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Customer relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town Net Unrealized Gains (Losses) on Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Expenses Operating Expenses [Abstract] Unrecognized tax benefits Unrecognized Tax Benefits, Period Increase (Decrease) Currency translation adjustment Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Estimated future benefit payments, 2028 to 2032 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Bank And Bank-Sponsored Facilities Bank And Bank-Sponsored Facilities [Member] Bank And Bank-Sponsored Facilities Royalty Royalty [Member] Accrued interest payable on potential tax liabilities Unrecognized Tax Benefits, Interest on Income Taxes Accrued Cost Optimization Cost Optimization [Member] Cost Optimization Deferred financing fees Deferred financing fees Debt Issuance Costs, Net Foreign net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Foreign Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Treasury Stock Treasury Stock, Common [Member] Auditor Name Auditor Name 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. Federal net operating loss carryforwards net of valuation allowances Operating Loss Carryforwards Range of possible loss (up to) Loss Contingency, Range of Possible Loss, Portion Not Accrued Treasury stock (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Contract with customer, liability, noncurrent Contract with Customer, Liability, Noncurrent Additions for tax positions for prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Budget Budget [Member] Budget [Member] Restricted cash Restricted Cash and Cash Equivalents Retained risks of liability to third parties Retained Risks Of Liabilities Retained Risks Of Liabilities Time-based RSUs Restricted Stock Units (RSUs) [Member] Anti-dilutive non-vested stock(in dollar per share) Anti-dilutive Non-Vested Stock Weighted Average Grant Date Fair Value Anti-dilutive Non-Vested Stock Weighted Average Grant Date Fair Value Vehicle programs: Vehicle Programs Financing Activities [Abstract] Vehicle Programs Financing Activities [Abstract]. London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Subsequent Events [Abstract] Subsequent Events [Abstract] Revenues Revenues State Deferred State and Local Income Tax Expense (Benefit) Amount of consideration received Noncash or Part Noncash Divestiture, Amount of Consideration Received Amortization expense Amortization of Intangible Assets Schedule of Goodwill Schedule of Goodwill [Table Text Block] Interest payments Interest Paid, Excluding Capitalized Interest, Operating Activities Public liability and property damage insurance liabilities – current Public Liability And Property Damage Insurance Liabilities, Current Public Liability And Property Damage Insurance Liabilities, Current Between 2 and 3 years Lessee, Operating Lease, Liability, to be Paid, Year Three Vehicle-Backed Debt Vehicle-Backed Debt [Member] Vehicle-Backed Debt Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Other assets Other Assets [Member] Minimum Pension Liability Adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Plan assets Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Vehicle interest income Vehicle Interest Income Vehicle Interest Income Counterparty Name [Domain] Counterparty Name [Domain] Stockholders’ equity attributable to Avis Budget Group, Inc. Stockholders' Equity Attributable to Parent Vehicle finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Breach of Contract Breach of Contract [Member] Breach of Contract Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Tax credits Deferred Tax Assets, Tax Credit Carryforwards Other Deferred Tax Assets, Other Administrative Services Administrative Services [Member] Administrative Services Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets amortization expense, year three Finite-Lived Intangible Asset, Expected Amortization, Year Three 2027 Long-Term Debt, Maturity, Year Five Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Total property lease expense Total vehicle lease expense Lease, Cost Common Stock Common Stock [Member] Schedule of The Components of Lease Expense Lease, Cost [Table Text Block] Shares available for grant under the plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Gain on write down of assets held for sale Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down Schedule of Unrecognized Tax Benefits Summary Of Income Tax Contingencies By Balance Sheet Location Table [Table Text Block] Summary of income tax contingencies by balance sheet location [table text block] Non Avis Budget Car Rental Tax Contingencies Non Avis Budget Car Rental Tax Contingencies [Member] Non-Avis Budget Car Rental Tax Contingencies [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 . Furniture, fixtures & equipment Furniture and Fixtures [Member] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Contributions Defined Contribution Plan, Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Repurchase of common stock (in shares) Net activity related to restricted stock units (in shares) Treasury Stock, Shares, Acquired Corporate Interest Expense Corporate Interest Expense [Member] Corporate Interest Expense [Member] Gross Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Related Party Transaction [Axis] Related Party Transaction [Axis] Disposal Group Name [Axis] Disposal Group Name [Axis] Liability Liability [Member] Equity Components [Axis] Equity Components [Axis] Contributions from non-controlling interests Proceeds from Noncontrolling Interests Litigation Case [Domain] Litigation Case [Domain] Net activity related to restricted stock units APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition John F. North Chief Financial Officer [Member] Statement [Line Items] Statement [Line Items] T19 T19 Restructuring Plan [Member] T19 Restructuring [Member] Sale of equity investments Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Balance (in shares) Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Variable Rate [Domain] Variable Rate [Domain] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Selling, general and administrative Selling, General and Administrative Expense SRS Mobility Ventures, LLC SRS Mobility Ventures, LLC [Member] SRS Mobility Ventures, LLC Minimum annual guaranteed rent in excess of concession fees, net Operating Lease, Minimum Annual Guaranteed Rent In 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Schedule of Operating Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other Other Liabilities, Current Vehicles Vehicles Policy [Policy Text Block] Vehicles [Policy Text Block] Euro-denominated notes Euro-Denominated Notes [Member] Euro-Denominated Notes Schedule of Net Funded Status Schedule of Net Funded Status [Table Text Block] Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Axis] Within 1 year Finance Lease, Liability, to be Paid, Year One Currency translation adjustments and other Goodwill, Translation and Purchase Accounting Adjustments Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] U.S. federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Personnel Related Employee Severance [Member] Subsidiary Equity Subsidiary Equity [Member] Subsidiary Equity Issuance of common stock Stock Issued During Period, Value, Treasury Stock Reissued Expense (Benefit) SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Fair Value, Asset  Derivatives Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Interest rate caps sold Sold [Member] Sold [Member] Brand [Axis] Brand [Axis] Brand [Axis] State and local income taxes, net of federal tax benefits Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Between 1 and 2 years Finance Lease, Liability, to be Paid, Year Two Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] 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, Continuing Operations Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Outstanding and expected to vest weighted average remaining contractual term (in years) 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 Outstanding and expected to vest (in shares) 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. Title of Individual [Domain] Title of Individual [Domain] Michael K. Tucker Executive Vice President [Member] Investment in plan assets (in percent) Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Percentage Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Total Long-Term Debt Restructuring and Other Related Charges Restructuring and Related Activities Disclosure [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Schedule of Geographic Segment Information Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Long-term rate of return on plan assets Long-term rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Cash and Cash Equivalents, Program Cash and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Total current assets Assets, Current Income tax payments, net Income Taxes Paid, Net Long-term operating lease liabilities Deferred Tax Assets Operating, Liability, Noncurrent Deferred Tax Assets Operating, Liability, Noncurrent Net unrealized holding gains (losses), tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Revenue recognized Contract with Customer, Liability, Revenue Recognized Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Revenues Revenues [Abstract] Net Carrying Amount Finite-Lived Intangible Assets, Net Revenue recognition period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Reclassification of pension and post-retirement benefits to earnings, tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Vehicle Rental Activities Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Vehicles, net investment in lease Vehicle, Net Investment In Lease Receivables Vehicle, Net Investment In Lease Receivables Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Consolidated Entities [Axis] Consolidated Entities [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] 6% euro-denominated Senior Notes Six Percent Euro-Denominated Senior Notes [Member] Six Percent Euro-Denominated Senior Notes Accumulated amortization Finance Lease, Right-of-Use Asset, Accumulated Amortization Repurchase amount Debt Instrument, Repurchase Amount Investment in vehicles Investment In Vehicles The cash outflow for acquisition of vehicles used in revenue generation activities. Total expenses Costs and Expenses Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Operating lease liabilities Total Operating Lease, Liability 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 Balance at Beginning of Period Balance at End of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Share-based Compensation Share-Based Payment Arrangement [Policy Text Block] Total lease payments Finance Lease, Liability, to be Paid Intangible assets amortization expense, year two Finite-Lived Intangible Asset, Expected Amortization, Year Two Net benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Deferred income tax assets: Deferred Tax Assets, Net [Abstract] Restructuring and other related charges Restructuring expense: Restructuring Charges Auditor Information [Abstract] Auditor Information [Abstract] Avis Budget Rental Car Funding Program February 2026 Avis Budget Rental Car Funding Program February 2026 [Member] Avis Budget Rental Car Funding Program February 2026 2026 Long-Term Debt, Maturity, Year Four Hedging Designation Hedging Designation [Axis] Auditor Location Auditor Location Avis Avis [Member] Avis [Member] Vehicle-backed debt due to Avis Budget Rental Car Funding Avis Budget Rental Car Funding [Member] Avis Budget Rental Car Funding Entity Filer Category Entity Filer Category Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Federal Current Federal Tax Expense (Benefit) Domestic Plan United States UNITED STATES Expected number of positions eliminated Restructuring and Related Cost, Expected Number of Positions Eliminated Asset acquisition, consideration transferred Asset Acquisition, Consideration Transferred Stock-based compensation expense Share-Based Payment Arrangement, Expense Commitments and contingencies (Note 15) Commitments and Contingencies Security Exchange Name Security Exchange Name Acquired finite-lived intangible assets, weighted average useful life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Other Other Debt Under Vehicle Program [Member] Other debt under the vehicle program. Deferred financing fees Vehicle Program Outstanding Debt, Deferred Finance Costs Net Vehicle Program Outstanding Debt, Deferred Finance Costs Net Americas – Debt due to Avis Budget Rental Car Funding Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] Reclassification of cash flow hedges to earnings, net of tax of $(2), $(5), and $(3), respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Cloud Computing Costs Cloud Computing Costs [Member] Cloud Computing Costs Letters of Credit Issued Letters of Credit Outstanding, Amount International – Debt borrowings International Debt Borrowings [Member] International Debt Borrowings [Member] 5.750% Senior Notes Five Point Seven Five Percent Senior Notes Due 2027 [Member] Five Point Seven Five Percent Senior Notes Due 2027 Revenue Revenue from Contract with Customer, Excluding Assessed Tax Service cost Defined Benefit Plan, Service Cost 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. Cash equivalents and short-term investments Cash and Cash Equivalents [Member] Cover page. Cover [Abstract] Entity Voluntary Filers Entity Voluntary Filers 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. Weighted average discount rate Finance Lease, Weighted Average Discount Rate, Percent Supplemental Balance Sheet Information Related to Leases [Table] Supplemental Balance Sheet Information Related to Leases [Table] Supplemental balance sheet information related to leases [Table] Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Change in Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] 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. 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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. Depreciation expense Vehicle Depreciation Expense Amount of depreciation expense recorded on rental vehicles. 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