Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Total lease revenues Operating Lease, Lease Income Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Currency Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Related Party Transactions [Abstract] Deferred income taxes Deferred Income Tax Assets, Net Long-term debt Long-Term Debt, Gross 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 Minimum pension liability adjustment, tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Property, Plant and Equipment [Abstract] Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding Between 2 and 3 years Long-Term Debt, Maturity, Year Two 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] Total Capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Vehicle-backed debt Debt Instrument, Fair Value Disclosure Balance at the beginning of the period Balance at the end of the period Restructuring Reserve Foreign exchange contracts Foreign Exchange Contract [Member] Other charges Supplies Expense Additional paid-in capital Additional Paid in Capital Financial Instruments [Domain] Financial Instruments [Domain] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Basis spread on variable rate Basis points Debt Instrument, Basis Spread on Variable Rate Other, net Payments for (Proceeds from) Other Investing Activities Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Vehicles held for sale Vehicles Held For Sale The recorded value of rental vehicles held for sale, net of accumulated depreciation. Debt instrument stated interest percentage Debt Instrument, Interest Rate, Stated Percentage Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Accrued advertising and marketing Accrued Advertising And Marketing Costs, Current accrued marketing and commissions Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [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. 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. Repurchases of common stock Stock repurchase program, authorized amount Treasury Stock, Value, Acquired, Cost Method Net income attributable to Avis Budget Group, Inc. Net income attributable to Avis Budget Group, Inc. for basic and diluted EPS Net income Net Income (Loss) Attributable to Parent Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Leases Lessee, Finance Leases [Text Block] Other Other Intangible Assets [Member] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] 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 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) LLC—related party Repayments of Related Party Debt Ownership [Axis] Ownership [Axis] Restructuring Plan [Axis] Restructuring Plan [Axis] Net assets acquired (net of cash acquired) Payments to Acquire Restricted Investments Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Debt financing fees Payments of Financing Costs Total Debt and Lease Obligation Less: Adjustments To EBITDA [Abstract] Adjustments To EBITDA Related Party [Domain] Related Party [Domain] Debt issuance discount, percent Debt Instrument, Issuance Discount, Percent Debt Instrument, Issuance Discount, Percent 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. Stock-based compensation expense (net of tax) Share-Based Payment Arrangement, Expense, after Tax Hedging Designation [Domain] Hedging Designation [Domain] 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 Lease charges Vehicle Lease Charges Amount of lease charges recorded on rental vehicles. Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Derivative, by Nature [Axis] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Asset-backed securities, at carrying value Asset-Backed Securities, at Carrying Value 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 Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Outstanding Borrowings Outstanding Borrowings Long-Term Line of Credit Entity Address, State or Province Entity Address, State or Province Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Contributions from non-controlling interests Noncontrolling Interest, Increase from Sale of Parent Equity Interest Liabilities under vehicle programs Accounts Payable, Other, Current Award Type [Axis] Award Type [Axis] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Earnings per share: Earnings (loss) Per Share [Abstract] Earnings (loss) Per Share Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Short-term operating lease liabilities Operating Lease, Liability, Current Property leases 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] Transaction-related costs, net 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. Legal Entity [Axis] Legal Entity [Axis] Long-term debt Long-term debt Long-Term Debt, Excluding Current Maturities Subsidiaries Subsidiaries [Member] 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] Geographical [Axis] Geographical [Axis] Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] 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] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Revenue Revenue from Contract with Customer [Policy Text Block] Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Preferred stock issued (in shares) Preferred Stock, Shares Issued Document Type Document Type Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Long-term Corporate Debt and Borrowing Arrangements Long-Term Debt [Text Block] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Interest rate caps 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. 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 Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Restructuring Type [Axis] Restructuring Type [Axis] (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 Balance (in usd per share) Balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value 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 Financial Instrument [Axis] Financial Instrument [Axis] Derivative gain (loss) recognized in OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Between 3 and 4 years Long-Term Debt, Maturity, Year Three 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. Financial Instruments Financial Instruments Disclosure [Text Block] Affiliated Entity Affiliated Entity [Member] Subsequent Event Subsequent Event [Member] Consolidation Items [Domain] Consolidation Items [Domain] Assets under vehicle programs: Assets Under Vehicle Programs [Abstract] Assets under vehicle program Document Period End Date Document Period End Date Other Current Assets Other Current Assets [Text Block] Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Schedule of Components of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Total Assets Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Earnings per share Earnings Per Share [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Accrued sales and use taxes Sales and Excise Tax Payable, Current Performance-based and market-based RSUs Performance Shares [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Asia and Australasia Asia and Australasia [Member] Asia and Australasia [Member] Wyndham Wyndham Worldwide Corporation [Member] Wyndham Worldwide Corporation [Member] Interest rate swaps Interest Rate Swap [Member] Schedule of Accounts Payable and Other Current 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] 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 Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Stock repurchase program, authorized amount (up to) Stock Repurchase Program, Authorized Amount Accrued payroll and related Employee-related Liabilities, Current Line of Credit Line of Credit [Member] Variable lease expense Variable Lease, Cost (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 before income taxes Net income 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. Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Earnings Per Share Earnings Per Share [Text Block] Schedule of Weighted Average Assumptions Used Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Outstanding and expected to vest, weighted average grant date fair value (in usd 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. 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). Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Comprehensive income attributable to Avis Budget Group, Inc. Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Fair Value Of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Award Type [Domain] Award Type [Domain] Period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Early extinguishment of debt Early extinguishment of debt costs Early extinguishment of debt Gain (Loss) on Extinguishment of Debt Restructuring Plan [Domain] Restructuring Plan [Domain] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Contract [Domain] Entity Registrant Name Entity Registrant Name Subsequent Events Subsequent Events [Text Block] Non-vehicle related depreciation and amortization 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 International [Member] International [Member] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] 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] Europe, Middle East and Africa EMEA [Member] Leases [Abstract] Leases [Abstract] Expenses Operating Expenses [Abstract] Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Geographic Distribution [Domain] Geographic Distribution [Domain] 4.750% Senior Notes Four Point Seven Five Percent Senior Notes Due 2028 [Member] Four Point Seven Five Percent Senior Notes Due 2028 Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Bank And Bank-Sponsored Facilities Bank And Bank-Sponsored Facilities [Member] Bank And Bank-Sponsored Facilities Royalty fee Royalty [Member] Common stock (in usd per share) Common Stock, Par or Stated Value Per Share Company Subsidiary Company Subsidiary [Member] Company Subsidiary Cost Optimization Cost Optimization [Member] Cost Optimization Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Deferred financing fees Deferred financing fees Debt Issuance Costs, Net Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Investment, Name [Axis] Investment, Name [Axis] 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. Trading Symbol Trading Symbol Entity File Number Entity File Number Range of possible loss (up to) Loss Contingency, Range of Possible Loss, Portion Not Accrued Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares 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 Currency translation adjustments, tax OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Title of Individual [Axis] Title of Individual [Axis] Budget Budget [Member] Budget [Member] Restricted cash Restricted Cash and Cash Equivalents Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Time-based RSUs Restricted Stock Units (RSUs) [Member] Schedule Of Committed Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Vehicle programs: Vehicle Programs Financing Activities [Abstract] Vehicle Programs Financing Activities [Abstract]. T22 T22 [Member] T22 Cash payments for lease liabilities within operating activities: Cash Flow Lessee [Abstract] Cash Flow Lessee London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Subsequent Events [Abstract] Subsequent Events [Abstract] Revenues Revenues Net unrealized gain (loss) on cash flow hedges (net of tax of $(4), $(10), $(15) and $(7), respectively) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Taxes Income Tax Disclosure [Text Block] Weighted average interest rate Debt, Weighted Average Interest Rate Comprehensive income: 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] Amount of consideration received Noncash or Part Noncash Divestiture, Amount of Consideration Received Amortization expense relating to all intangible assets Amortization of Intangible Assets Operating Operating Costs and Expenses Basic (in usd per share) Earnings Per Share, Basic Public liability and property damage insurance liabilities – current Public Liability And Property Damage Insurance Liabilities, Current Public Liability And Property Damage Insurance Liabilities, Current Brazil Brazil Restructuring [Member] Brazil Restructuring [Member] Vehicle-backed debt due to Avis Budget Rental Car Funding Vehicle-Backed Debt [Member] Vehicle-Backed Debt Fair value vested in period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Corporate and Other Corporate, Non-Segment [Member] Minimum Pension Liability Adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Treasury Stock Treasury Stock [Member] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-Lived Intangible Assets [Axis] Stockholders’ equity attributable to Avis Budget Group, Inc. Stockholders' Equity Attributable to Parent Prepaid expenses Prepaid Expense, Current Forfeited (in usd 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] 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] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net change in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Electronic Toll Service Dispute Electronic Toll Service Dispute [Member] Electronic Toll Service Dispute Intangible assets amortization expense, year three Finite-Lived Intangible Asset, Expected Amortization, Year Three Portion at fair value measurement Portion at Fair Value Measurement [Member] Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Realogy Realogy Corporation [Member] Realogy Corporation [Member] Total property lease expense Lease, Cost Common Stock Common Stock [Member] Schedule of The Components of Lease Expense Lease, Cost [Table Text Block] Repurchases of common stock Payments for Repurchase of Common Stock Stockholders Equity [Table] Statement [Table] COVID-19 charges COVID-19 charges Unusual Or Infrequent Items Or Both, Covid Charges Unusual Or Infrequent Items Or Both, Covid Charges Vested (in usd 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 Deferred financing fees Vehicle Programs [Member] Vehicle Programs [Member] Gain on write down of assets held for sale Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down 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 . Receivables, net Receivables, Net, Current Document Quarterly Report Document Quarterly Report Current assets: Assets, Current [Abstract] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Expected cost remaining Restructuring and Related Cost, Expected Cost Remaining Repurchases of common stock (in shares) Number of shares purchased (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) 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] Equity Components [Axis] Equity Components [Axis] Trademarks Trademarks [Member] Litigation Case [Domain] Litigation Case [Domain] Restructuring payment/utilization: Restructuring And Related Cost, Payments (Utilization) Restructuring And Related Cost, Payments (Utilization) Related Party Transactions Related Party Transactions Disclosure [Text Block] Net activity related to restricted stock units APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Document Fiscal Year Focus Document Fiscal Year Focus Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Stockholders Equity [Line Items] Statement [Line Items] 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. Balance (in shares) Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number 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] Variable Rate [Domain] Variable Rate [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] 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 Excess Of Concession Fees Operating Lease, Minimum Annual Guaranteed Rent In Excess Of Concession Fees Schedule Of Commitments And Contingencies [Table] Loss Contingencies [Table] Schedule of Operating Lease, Lease Income Operating Lease, Lease Income [Table Text Block] Operating lease right-of-use assets Operating lease ROU assets Operating Lease, Right-of-Use Asset Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Share repurchased during period Stock Repurchased During Period, Value Cloud Based Computing Costs Cloud Based Computing Costs [Member] Cloud Based Computing Costs 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. Type of Restructuring [Domain] Type of Restructuring [Domain] Document Transition Report Document Transition Report Local Phone Number Local Phone Number Schedule of Stock Based Compensation Activity Share-Based Payment Arrangement, Activity [Table Text Block] 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 Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Total Capacity Line of Credit Facility, Current Borrowing Capacity Income taxes and deferred income taxes Increase Decrease In Income Taxes And Deferred Income Taxes Increase (Decrease) In Income Taxes And Deferred Income Taxes Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Investments 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 Goodwill Treasury Stock (in shares) Treasury Stock, Shares Net activity related to restricted stock units (in shares) Stock Repurchased During Period, Shares Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Provision for income taxes Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Preferred stock (in usd per share) Preferred Stock, Par or Stated Value Per Share Net change in short-term borrowings Proceeds from Short-Term Debt Income Statement [Abstract] Income Statement [Abstract] Avis Budget Rental Car Funding Program September 2024 Avis Budget Rental Car Funding Program September 2023 [Member] Avis Budget Rental Car Funding Program September 2023 Additional Paid-in Capital Additional Paid-in Capital [Member] License agreements Licensing Agreements [Member] Document Fiscal Period Focus Document Fiscal Period Focus Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Interest rate swaps and interest rate caps Derivative Liability Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Schedule Of Commitments And Contingencies [Line Items] Loss Contingencies [Line Items] Transaction-related costs, net Transaction-related costs, net Acquisition- and integration- related costs, net Vehicle Programs Vehicle Program Policy [Policy Text Block] Vehicle Program Policy [Text Block] Accounts payable and other current liabilities Accounts payable and other current liabilities Accounts Payable and Accrued Liabilities, Current Common stock, $0.01 par value—authorized 250 shares; issued 137 shares, respectively Common Stock, Value, Issued Carrying Amount Reported Value Measurement [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Derivatives used in net investment hedge, net of tax Derivatives used in Net Investment Hedge, Net of Tax Senior Notes Senior Notes [Member] Operating lease liabilities Increase (Decrease) in Operating Lease Liabilities Increase (Decrease) in Operating Lease Liabilities Granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Cash flow hedge loss to be reclassified within twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Floating Rate Term Loan Floating Rate Term Loan Due February Two Thousand Twenty Five Member [Member] Floating Rate Term Loan Due February Two Thousand Twenty Five Member T21 T21 Restructuring Plan [Member] T21 Restructuring Plan Preferred stock authorized (in shares) Preferred Stock, Shares Authorized 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 Currency translation adjustments (net of tax of $(14), $3, $(17) and $(9), respectively) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Loans Payable Loans Payable [Member] Less: net loss attributable to non-controlling interests Less: net loss attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Current liabilities: Liabilities, Current [Abstract] Foreign exchange contracts Foreign Exchange Forward [Member] Common stock issued (in shares) Common Stock, Shares, Issued Deferred lease revenues - current Contract with Customer, Liability, Current Net unrealized gain (loss) on cash flow hedges, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax 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 Facility Related Facility Closing [Member] Avis Budget Rental Car Funding Program March 2025 Avis Budget Rental Car Funding Program March 2023 [Member] Avis Budget Rental Car Funding Program March 2023 Amendment Flag Amendment Flag Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Operating lease expense Operating Lease, Cost Amount issued Debt Instrument, Face Amount Number of claims filed Loss Contingency, New Claims Filed, Number Other comprehensive income (loss) Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive income attributable to Avis Budget Group, Inc. Comprehensive income attributable to Avis Budget Group, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Litigation Case [Axis] Litigation Case [Axis] 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. Schedule Of Segments Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other Other Liabilities, Current Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other non-current assets Other Assets, Noncurrent Euro-denominated notes Euro-Denominated Notes [Member] Euro-Denominated Notes Americas - Debt borrowings Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] June 2022 Variable Funding Asset Backed Note June 2022 Variable Funding Asset Backed Note [Member] June 2022 Variable Funding Asset Backed Note Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Personnel Employee Severance [Member] Subsidiary Equity Subsidiary Equity [Member] Subsidiary Equity Counterparty Name [Axis] Counterparty Name [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Fair Value, Derivative Assets Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Accounts Payable and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Sold Sold [Member] Sold [Member] 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 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, 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. Labor and related expense Labor and Related Expense Property operating leases Operating Lease, Payments Treasury stock, at cost— 89 and 81 shares, respectively Treasury Stock, Value Minimum pension liability adjustment (net of tax of $0, $0, $0 and $0, respectively) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Title of Individual [Domain] Title of Individual [Domain] Expected volatility of stock price Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Fair Value, Derivative Liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Veresh Sita Executive Vice President [Member] Restructuring and other related charges Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal 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] Common stock authorized (in shares) Common Stock, Shares Authorized 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 Thereafter Long-Term Debt, Maturity, after Year Four Long-Term Debt, Maturity, after Year Four Less: Accumulated depreciation Accumulated Depreciation Accumulated depreciation recorded through the balance sheet date for vehicles involved in rental activities. Cash and cash equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Non-vested stock awards Share-Based Payment Arrangement [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Geographical Reportable Geographical Components [Member] Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Revenues Revenues [Abstract] Net Carrying Amount Finite-Lived Intangible Assets, Net Line of Credit Facility [Table] Line of Credit Facility [Table] 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] Cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Vehicle Rental Activities Property, Plant and Equipment Disclosure [Text Block] Other Other Long-Term Debt Vehicle interest net Vehicle Interest Net [Member] Vehicle Interest Net Less: Short-term debt and current portion of long-term debt Short-Term Debt Title of 12(b) Security Title of 12(b) Security Consolidated Entities [Axis] Consolidated Entities [Axis] Investment in vehicles Investment In Vehicles The cash outflow for acquisition of vehicles used in revenue generation activities. Total expenses Costs and Expenses Subsequent Event [Line Items] Subsequent Event [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Operating lease liabilities Operating Lease, Liability Segment Information Segment Reporting Disclosure [Text Block] Net cash 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 Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Other receivables Other Receivables Schedule Of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Intangible assets amortization expense, year two Finite-Lived Intangible Asset, Expected Amortization, Year Two 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] Within 1 year Long-Term Debt, Maturity, Remainder of Fiscal Year Accounts payable Accounts Payable, Current Other comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Restructuring and other related charges Restructuring expenses Restructuring Charges Vehicle programs: Vehicle Programs Investing Activities [Abstract] Vehicle Programs Investing Activities [Abstract]. 2020 Optimization 2020 Optimization [Member] 2020 Optimization Restructuring [Member] Between 4 and 5 years Long-Term Debt, Maturity, Year Four Hedging Designation [Axis] Hedging Designation [Axis] Total assets under vehicle programs Assets under vehicle programs Assets Under Vehicle Programs Assets Under Vehicle Programs Avis Avis [Member] Avis [Member] Avis budget rental car funding Avis Budget Rental Car Funding [Member] Avis Budget Rental Car Funding Entity Filer Category Entity Filer Category Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Expected number of positions eliminated Restructuring and Related Cost, Expected Number of Positions Eliminated Ownership acquired percentage Equity Method Investment, Ownership Percentage Stock-based compensation expense Share-Based Payment Arrangement, Expense Commitments and contingencies (Note 12) Commitments and Contingencies Security Exchange Name Security Exchange Name Purchase commitment period decrease Long-term Purchase Commitment, Period Decrease Long-term Purchase Commitment, Period Decrease Statements of Operations Operating Income (Loss) [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Derivative, notional amount Derivative, Notional Amount Preferred stock, $0.01 par value—authorized 10 shares; none issued and outstanding, respectively Preferred Stock, Value, Issued 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 Americas - Debt due to Avis Budget Rental Car Funding Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] Letters of Credit Issued Letters of Credit Outstanding, Amount International - Debt borrowings International Debt Borrowings [Member] International Debt Borrowings [Domain] Schedule of Debt Schedule of Debt [Table Text Block] 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 Number of cases brought by plaintiffs Loss Contingency, Number Of Sub-Classes Represented Loss Contingency, Number Of Sub-Classes Represented Purchase obligation over the next twelve months Recorded Unconditional Purchase Obligation, to be Paid, Year One July 2022 Asset Backed Notes July 2022 Asset Backed Notes [Member] July 2022 Asset Backed Notes Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Lessee Lessee, Leases [Policy Text Block] Geographic Distribution [Axis] Geographic Distribution [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [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. Segment Reporting [Abstract] Segment Reporting [Abstract] Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] 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. Non-controlling Interests Noncontrolling Interest [Member] Debt under vehicle programs Vehicle Program Outstanding Debt Vehicle Program Outstanding Debt Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Total Liabilities and Stockholders’ Equity Liabilities and Equity Operating expense Operating expense Operating Expense [Member] Amortization of debt financing fees Amortization of Debt Issuance Costs Related Party [Axis] Related Party [Axis] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Receivables Increase (Decrease) in Receivables Organization, Consolidation and Presentation of Financial Statements [Abstract] Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] 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] Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Assets held for sale Disposal Group, Including Discontinued Operation, Assets Other intangibles, net Intangible Assets, Net (Excluding Goodwill) Diluted (in usd per share) Earnings Per Share, Diluted 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 Consolidation Items [Axis] Consolidation Items [Axis] Total current liabilities Liabilities, Current Other Other Restructuring [Member] Other current assets Other current assets Other Assets, Current Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Valuation period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Americas Americas Americas [Member] Entity Address, Address Line One Entity Address, Address Line One Product and Service [Axis] Product and Service [Axis] Available Capacity Line of Credit Facility, Remaining Borrowing Capacity Interest expense Interest Expense Derivative Instruments and Hedging Activities Disclosure [Abstract] Investments Equity Method Investments [Policy Text Block] Accounts Payable and Accrued Liabilities, Current [Abstract] Credit Facility [Axis] Credit Facility [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. Non-vehicle related depreciation and amortization Non Vehicle Related Depreciation And Amortization, Total Non Vehicle Related Depreciation And Amortization, Total Depreciation expense Vehicle Depreciation Expense Amount of depreciation expense recorded on rental vehicles. Equity [Abstract] Equity [Abstract] Schedule Of Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Schedule of Supplemental Balance Sheet Information related to Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Entity Tax Identification Number Entity Tax Identification Number Equity method investment Equity Method Investment, Other than Temporary Impairment Aggregate rate Derivative, Fixed Interest Rate Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Amortization expense for remainder of the year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Consolidated Entities [Domain] Consolidated Entities [Domain] Foreign exchange contracts Currency Swap [Member] Nature of Expense [Axis] Nature of Expense [Axis] Other Other Assets, Miscellaneous, Current Net increase 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 Schedule Of Changes To Restructuring-Related Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Non-vested stock (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Intangible assets amortization expense, year five Finite-Lived Intangible Asset, Expected Amortization, Year Five Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Components Of Other Comprehensive Income (Loss) Comprehensive Income (Loss) [Table Text Block] Estimated litigation liability Estimated Litigation Liability Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Entity [Domain] Entity [Domain] City Area Code City Area Code Assets Assets [Abstract] International - Finance leases International Capital Leases [Member] International Capital Leases [Domain] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Other 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 Unprecedented personal-injury and other legal matters, net Unprecedented Personal-Injury And Other Legal Matters, Net Unprecedented Personal-Injury And Other Legal Matters, Net Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Non-cash activities - increase (decrease) 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 COVID-19 Charges Covid Charges [Member] Covid Charges Interest expense related to corporate debt, net: Interest Expense [Abstract] Vehicle depreciation and lease charges, net Vehicle depreciation and lease charges, net Cost, Depreciation Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] 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 Between 1 and 2 years 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 caps Interest Rate Contract [Member] Leases Lessor, Operating Leases [Text Block] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Intangible assets amortization expense, year one Finite-Lived Intangible Asset, Expected Amortization, Year One Amount of hedged item Derivative, Amount of Hedged Item 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 Property operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP) LLC—related party Proceeds from Related Party Debt