Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Expected volatility of stock price Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term of awards Valuation Period Range Maximum In Years Valuation Period Range Maximum In Years Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Equity [Abstract] Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Net unrealized loss on available-for-sale securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net unrealized gain on cash flow hedges (a) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net unrealized gain (losses) on cash flow hedges, before tax Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Components Of Other Comprehensive Income Comprehensive Income (Loss) [Table Text Block] Vehicle Rental Activities [Abstract] Vehicle Rental Activities [Abstract] Vehicle Rental Activities Vehicle Rental Activities [Text Block] Information related to the Company's vehicle rental activities. Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Investments, All Other Investments [Abstract] Schedule of Cost-method Investments [Table] Schedule of Cost-method Investments [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated As Hedging Instruments [Member] Designated as Hedging Instrument [Member] Not Designated As Hedging Instruments [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Interest Rate Swaps [Member] Interest Rate Swap [Member] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Interest Rate Contracts [Member] Interest Rate Contract [Member] Commodity Contracts [Member] Commodity Contract [Member] Schedule of Cost-method Investments [Line Items] Schedule of Cost-method Investments [Line Items] Fair Value, Asset Derivatives Derivative Asset, Fair Value, Amount Not Offset Against Collateral Fair Value, Liability Derivatives Derivative Liability, Fair Value, Amount Not Offset Against Collateral Debt Disclosure [Abstract] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Debt Due To Avis Budget Rental Car Funding (Member) Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] Canada Debt Borrowings [Member] [Domain] Canada Debt Borrowings [Member] [Domain] Canada Debt Borrowings [Member] [Domain] International Debt Borrowings [Domain] International Debt Borrowings [Domain] International Debt Borrowings [Domain] International Capital Leases [Domain] International Capital Leases [Domain] International Capital Leases [Domain] Budget Truck Financing (Member) Budget Truck Funding Program [Member] Debt issued by the Budget Truck Funding program. European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] Other (Member) Other Debt Under Vehicle Program [Member] Other debt under the vehicle program. Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Total Capacity Vehicle Program Debt Total Capacity Maximum borrowing capacity under the vehicle program without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the program. Outstanding Borrowings Vehicle Program Debt Amount Outstanding Amount borrowed under the vehicle program as of the balance sheet date. Available Capacity Vehicle Program Debt Available Capacity Amount of borrowing capacity currently available under the vehicle program (current borrowing capacity less the amount of borrowings outstanding). Leasing vehicles and related assets, pledged as collateralized debt Leasing Vehicles And Related Assets Pledged As Collateralized Debt Leasing Vehicles And Related Assets, Pledged As Collateralized Debt Goodwill and Intangible Assets Disclosure [Abstract] Amortization expense relating to all intangible assets Amortization of Intangible Assets Amortization expense for remainder of the year Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Intangible assets amortization expense, year one Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Intangible assets amortization expense, year two Finite-Lived Intangible Assets, Amortization Expense, Year Two Intangible assets amortization expense, year three Finite-Lived Intangible Assets, Amortization Expense, Year Three Intangible assets amortization expense, year four Finite-Lived Intangible Assets, Amortization Expense, Year Four Intangible assets amortization expense, year five Finite-Lived Intangible Assets, Amortization Expense, Year Five Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average contractual life Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Segment Reporting [Abstract] Segment Reporting Information [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] North America North America [Member] International International [Member] International [Member] Truck Rental [Member] Truck Rental [Member] Revenue by the Truck Rental segment Corporate and Other [Member] Corporate and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Segment Reporting, Change in Measurement Method Segment Reporting, Change in Measurement Method A description of the nature of any changes from prior periods in the measurement methods used to determine reportable segment profit or loss and the effect, if any, of those changes on the measure of segment profit or loss. Revenues Sales Revenue, Services, Net Adjusted EBITDA Adjusted Earnings Before Income Depreciation And Amortization Adjusted earnings before income taxes, non-vehicle depreciation and amortization, transaction-related costs, impairment charge and non-vehicle interest. 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. Interest expense Interest Expense Early extinguishment of debt Early Debt Extinguishment Early Debt Extinguishment Transaction-related costs Transaction-related Costs Costs incurred and charged to expense, associated with acquisition of businesses. Restructuring expense Restructuring Charges Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Income Tax Disclosure [Abstract] Effective tax provision (benefit) rate Effective Income Tax Rate Reconciliation, Percent Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Earnings Per Share [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] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Options [Member] Employee Stock Option [Member] Warrants [Member] Warrant [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Statement of Financial Position [Abstract] Preferred stock,par value Preferred Stock, Par or Stated Value Per Share Preferred stock,shares authorized Preferred Stock, Shares Authorized Preferred stock,shares issued Preferred Stock, Shares Issued Preferred stock,shares outstanding Preferred Stock, Shares Outstanding Common stock,par value Common Stock, Par or Stated Value Per Share Common stock,shares authorized Common Stock, Shares Authorized Common stock,shares issued Common Stock, Shares, Issued Treasury stock,shares Treasury Stock, Shares Basis Of Presentation And Recently Issued Accounting Pronouncements [Abstract] Basis Of Presentation And Recently Issued Accounting Pronouncements [Abstract] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Sales Revenue, Services, Net Non Vehicle Related Depreciation And Amortization Early extinguishment of debt Assets under vehicle programs Assets Under Vehicle Programs Assets Under Vehicle Programs Non current deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Loss before income taxes Convertible Debt Securities [Member] Convertible Debt Securities [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 3 1/2% Convertible Notes [Member] Three And One Over Two Senior Notes [Member] Three And One Over Two Senior Notes [Member] Convertible senior notes interest percentage Debt Instrument, Interest Rate, Stated Percentage Computation Of Basic And Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary Of Share Based Payment Other Than Options Valuation Assumptions Schedule Of Share Based Payment Other Than Options Valuation Assumptions Table [Table Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of market vesting restricted stock awards, including, but not limited to: (a) expected term of the award,(b) expected volatility of the entity's shares, (c) expected dividends and (d) risk-free rate. Stock Based Compensation Activity Schedule of Share-based Compensation, Activity [Table Text Block] Summary Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Net unrealized gain or loss on foreign-currency transactions of intercompany loan hedges Net Unrealized Gain Or Loss Of Foreign Currency Transactions On Intercompany Loan Hedges Net unrealized gain or loss on foreign-currency transactions of intercompany loan hedges. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Time-Based RSUs Rsu [Member] Rsu [Member] Performance-Based and Market-Based RSUs Performance Shares [Member] Cash Unit Awards Cash Settled Restricted Stock Units [Member] Cash Settled Restricted Stock Units [Member] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Number of Options, Balance Weighted Average Grant Price, Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted Average Grant Price, Granted at fair market value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Price, Vested/exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Price, Canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted Average Grant Price, Balance Number of RSUs, Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of RSUs, Granted at fair market value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of RSUs, Vested/exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of RSUs, Canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of RSUs, Balance Stock Issued During Period, Value, Restricted Stock Award, Gross Stock Issued During Period, Value, Restricted Stock Award, Gross Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Condensed Financial Information of Parent Company Only Disclosure [Abstract] Supplemental Guarantor Financial Information [Table] Supplemental Guarantor Financial Information [Table] Supplemental Guarantor Financial Information [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent [Member] Parent Company [Member] Subsidiary Issuers [Member] Subsidiaries [Member] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Subsidiaries Non Guarantor [Member] SubsidiariesNonGuarantorMember Eliminations [Member] Eliminations [Member] Eliminations [Member] Supplemental Guarantor Financial Information [Line Items] Supplemental Guarantor Financial Information [Line Items] Supplemental Guarantor Financial Information [Line Items] Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities 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. Proceeds received on asset sales Proceeds from Sale of Productive Assets Payments to Acquire Restricted Investments Payments to Acquire Restricted Investments Proceeds from (Repayments of) Related Party Debt Proceeds from (Repayments of) Related Party Debt Other, net Payments for (Proceeds from) Other Investing Activities 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 . Decrease (increase) in program cash Decrease Increase In Program Cash The net cash inflow (outflow) for the net change associated with funds used for vehicle programs and are associated with underlying transactions that are classified as investing activities. Investment in vehicles Investment In Vehicles The cash outflow for acquisition of vehicles used in revenue generation activities. 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. 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. Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities 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. Principal payments on 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. Net change in short-term borrowings Net Change In Short Term Borrowings The net cash inflow (outflow) for borrowing related to vehicle programs, having initial term of repayment within one year or the normal operating cycle, if longer. Purchase of warrants Payments for Repurchase of Warrants Proceeds from sale of call options Proceeds from Hedge, Financing Activities Repurchases of common stock Payments for Repurchase of Common Stock Net intercompany transactions Net Intercompany Transactions Net intercompany transactions Debt financing fees Payments of Financing Costs Other, net Proceeds from (Payments for) Other Financing Activities Net cash provided by 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 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 Principal payments on borrowings Principal Payments On Borrowings From Financing Activities Within Vehicle Programs The net cash outflow on repayment of principal on borrowings used for vehicle programs Debt 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. 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 Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of changes in exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Rental vehicles Rental Vehicles The cost of vehicles used in rental activities. Less: Accumulated depreciation Accumulated Depreciation Accumulated depreciation recorded through the balance sheet date for vehicles involved in rental activities. Rental Vehicles Net, Total Rental Vehicles Net Rental Vehicles Net Vehicles held for sale Vehicles Held For Sale The recorded value of rental vehicles held for sale, net of accumulated depreciation. Vehicles, net Vehicles Net Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy. Accounts Payable, Other, Current Accounts Payable, Other, Current Receivables due from former subsidiaries Other Receivables Schedule Of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Business Combinations [Abstract] Acquisitions Business Combination Disclosure [Text Block] Debt under vehicle programs Vehicle Program Outstanding Debt Vehicle Program Outstanding Debt Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Long Term Borrowing By Type [Axis] Long Term Borrowing By Type [Axis] Long Term Borrowing By Type [Axis] Long Term Borrowing By Type [Domain] Long Term Borrowing By Type [Domain] Long Term Borrowing By Type [Domain] Long Term Borrowings [Member] Long Term Borrowings [Member] Long Term Borrowings [Member] Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Bank Overdraft [Member] Bank Overdraft [Member] Bank Overdraft [Member] Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Basis spread over variable rate Debt Instrument, Basis Spread on Variable Rate Credit facilities bearing interest Line of Credit Facility, Interest Rate During Period Amounts drawn under uncommitted credit facilities Short-term Bank Loans and Notes Payable Parent Company [Member] Subsidiaries Non Guarantor [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Revenues Revenues [Abstract] Vehicle rental Vehicle Rental Aggregate revenue during the period for vehicle rental services (before deducting allowances and discounts) which are not otherwise defined in the taxonomy. Other Other Revenue Revenues from the Sales of services and rentals of other products, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. Net revenues Expenses Operating Expenses [Abstract] Operating Operating Costs and Expenses Vehicle depreciation and lease charges, net Cost of Services, Depreciation Selling, general and administrative Selling, General and Administrative Expense 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. Intercompany Interest Expense Income Intercompany Interest Expense Income The intercompany interest expense (income) recorded in order to properly reflect consolidated income. Total expenses Costs and Expenses Interest expense related to corporate debt, net: Interest and Debt Expense [Abstract] Provision for (benefit from) income taxes Income Tax Expense (Benefit) Equity in earnings (loss) of subsidiaries Income (Loss) from Equity Method Investments Comprehensive income (loss) Restructuring Charges Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Floating Rate Term Loan Due March Two Thousand Nineteen [Member] Floating Rate Term Loan Due March Two Thousand Nineteen [Member] Floating rate term loan due march two thousand nineteen [member] Floating Rate Notes [Member] Floating Rate Notes [Member] Information on floating rate notes. Six Euro-Denominated Senior Notes [Member] Six Euro-Denominated Senior Notes [Member] Six Euro-Denominated Senior Notes [Member] 8 1/4% Notes [Member] Eight And One Over Four Senior Notes [Member] Eight And One Over Four Senior Notes [Member] Loans Payable [Member] Loans Payable [Member] Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] 9 3/4% Notes [Member] Nine And Three Over Four Senior Notes [Member] Nine And Three Over Four Senior Notes [Member] Senior Notes [Member] Senior Notes [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Proceeds from issue of senior notes Debt Instrument, Face Amount Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Goodwill [Member] Goodwill [Member] Trademarks [Member] Trademarks [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] License Agreements [Member] Licensing Agreements [Member] Customer Relationships [Member] Customer Relationships [Member] Other Intangible Assets [Member] Other Intangible Assets [Member] Finite And Indefinite Lived Intangible Assets [Line Items] Finite And Indefinite Lived Intangible Assets [Line Items] Finite And Indefinite Lived Intangible Assets [Line Items] Amortized Intangible Assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Amortized Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Amortized Intangible Assets, Net Carrying Amount Finite-Lived Intangible Assets, Net Unamortized Intangible Assets, Goodwill, Gross Carrying Amount Goodwill Unamortized Intangible Assets, Trademarks, Gross Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Segment Information Segment Reporting Disclosure [Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Fair Value Of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Other Facilities [Member] Other Facilities [Member] Other facilities [member] Total Capacity Line of Credit Facility, Current Borrowing Capacity Outstanding Borrowings Line of Credit Facility, Amount Outstanding Letters of Credit Issued Letters of Credit Outstanding, Amount Available Capacity Line of Credit Facility, Remaining Borrowing Capacity Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Axis] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Vehicle Repurchase And Guaranteed Depreciation Programs [Domain] Vehicle backed debt [Member] Vehicle Programs [Member] Vehicle Programs [Member] Within 1 year Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Between 1 and 2 years Long-term Debt, Maturities, Repayments of Principal in Year Two Between 2 and 3 years Long-term Debt, Maturities, Repayments of Principal in Year Three Between 3 and 4 years Long-term Debt, Maturities, Repayments of Principal in Year Four Between 4 and 5 years Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Vehicle Program Debt Amount Outstanding Asset-Backed Securities, at Carrying Value Asset-Backed Securities, at Carrying Value Bank-sponsored borrowings Bank Loans Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Foreign Exchange Contracts [Member] Foreign Exchange Forward [Member] Operating Expense [Member] Operating Expense [Member] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Interest Rate Caps [Member] Interest Rate Caps [Member] Interest Rate Caps [Member] Currency Swap [Member] Currency Swap [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Interest Rate Caps Purchased [Member] Purchase [Member] Purchase [Member] Interest Rate Caps Sold [Member] Sold [Member] Sold [Member] Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Cash posted as collateral for derivatives in a liability position Cash posted as collateral for derivatives in a liability position Cash posted as collateral for derivatives in a liability position Absolute notional values of derivative instruments Derivative, Notional Amount Units Of Gasoline Units Of Gasoline Units Of Gasoline Derivative Instruments, Gain (Loss) Recognized in Income, Net Derivative, Gain (Loss) on Derivative, Net Type Of Vesting [Axis] Type Of Vesting [Axis] Type Of Vesting [Axis] Type Of Vesting [Domain] Type Of Vesting [Domain] Type Of Vesting [Domain] Stock-based compensation expense Allocated Share-based Compensation Expense Stock-based compensation expense (net of tax) Allocated Share-based Compensation Expense, Net of Tax Employee service share based compensation incremental tax benefit to be realized from exercise of stock awards Employee Service Share Based Compensation Incremental Tax Benefit To Be Realized From Exercise Of Stock Awards Employee service share based compensation incremental tax benefit to be realized from exercise of stock awards. Floating Rate Senior Notes Due December 2017 [Member] Floating Rate Senior Notes Due December 2017 [Member] Floating Rate Senior Notes Due December 2017 [Member] Floating Rate Term Loan Due May Two Thousand Sixteen [Member] Floating Rate Term Loan Due May Two Thousand Sixteen [Member] Floating Rate Term Loan Due May Two Thousand Sixteen [Member]. Derivative, Amount of Hedged Item Derivative, Amount of Hedged Item Floating rate Debt Instrument Floating Rate Floor Debt Instrument, Floating Rate, Floor Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Components Of The Company's Vehicles Components Of Companys Vehicles Table [Table Text Block] Information on the components of the Company's vehicles, net within assets under the vehicle program. Components Of Vehicle Depreciation And Lease Charges Components Of Vehicle Depreciation And Lease Charges Table [Table Text Block] Information on the components of the vehicle depreciation and lease charges, net. Schedule Of Debt Under Vehicle Programs Schedule Of Debt Under Vehicle Programs Table [Table Text Block] Tabular disclosure of information pertaining to debt instruments under the vehicle program including amounts borrowed and other information necessary to a fair presentation. Schedule Of Contractual Maturities Schedule Of Contractual Maturities On Vehicle Programs Debt Table [Text Block] Tabular disclosure of the combined aggregate amount of maturities for all borrowings for the vehicle program for each of the five years following the date of the latest balance sheet date presented. Schedule Of Available Funding Under The Vehicle Programs Schedule Of Available Funding Under Vehicle Program Table [Table Text Block] Tabular disclosure of information and detail of the capacity, outstanding balances and available funding under the vehicle programs (including related party debt due to Avis Budget Rental Funding). Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Receivables, net Receivables, Net, Current Deferred income taxes Deferred Tax Assets, Net, Current Other current assets Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Deferred income taxes Goodwill Other intangibles, net Intangible Assets, Net (Excluding Goodwill) Other non-current assets Other Assets, Noncurrent 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. Assets under vehicle programs: Assets Under Vehicle Programs [Abstract] Assets under vehicle program 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. Vehicles, net 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. 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. Total assets under vehicle programs: Total assets Assets Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and other current liabilities Accounts Payable and Accrued Liabilities, Current Short-term debt and current portion of long-term debt Long-term Debt, Current Maturities Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Other non-current liabilities Other Liabilities, Noncurrent 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. Liabilities under vehicle programs: Liabilities Under Vehicle Program [Abstract] Liabilities Under Vehicle Program [Abstract] Debt Debt Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Debt due to Avis Budget Rental Car Funding (AESOP) LLC—related party Debt Due To 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. 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. 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). Total Liabilities under vehicle programs Liabilities Under Vehicle Programs Liabilities Under Vehicle Programs Commitments and contingencies (Note 10) Commitments and Contingencies Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, $0.01 par value—authorized 10 million shares; none issued and outstanding Preferred Stock, Value, Issued Common stock, $0.01 par value—authorized 250 million shares; issued 137,081,117 and 137,081,056 shares Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost—31,457,613 and 30,515,721 shares Treasury Stock, Value Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders’ equity Liabilities and Equity Debt Under Vehicle Programs and Borrowing Arrangements Debt Disclosure [Text Block] Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Worldwide Restructuring Initiative [Member] Worldwide Restructuring Initiative [Member] Worldwide Restructuring Initiative [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Number of employees terminated during the period Restructuring and Related Cost, Number of Positions Eliminated Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Income Taxes Income Tax Disclosure [Text Block] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Carrying (Reported) Amount, Fair Value Disclosure [Member] Reported Value Measurement [Member] Estimate Of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value Measurement [Member] Long Term Debt Excluding Convertible Debt Long Term Debt Excluding Convertible Debt Fair value information on non-current portion of long-term debt, excluding convertible debt. Convertible debt Convertible Debt, Fair Value Disclosures 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. Vehicle-backed debt Vehicle Backed Debt Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Debt Under Vehicle Programs Interest Rate Swaps And Interest Rate Contracts Debt Under Vehicle Programs Interest Rate Swaps And Interest Rate Contracts Debt under vehicle programs, interest rate swaps and interest rate contracts. Intercompany receivables (payables) Intercompany Receivables Payables Intercompany receivables (payables) from (to) subsidiaries. Investment in subsidiaries Equity Method Investments Total Assets under vehicle programs Long-term Debt, Current Maturities Due to Related Parties, Noncurrent Due to Related Parties, Noncurrent Due to Avis Budget Rental Car Funding (AESOP) LLC-related party Total stockholders' equity Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Vehicle Programs Vehicle Program Policy [Policy Text Block] Vehicle Program Policy [Text Block] Currency Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Adoption of New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Depreciation expense Vehicle Depreciation Expense Amount of depreciation expense recorded on rental vehicles. Lease charges Vehicle Lease Charges Amount of lease charges recorded on rental vehicles. Gain on sales 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 Vehicle depreciation and lease charges, net Vehicle Depreciation And Lease Charges Net Vehicle Depreciation And Lease Charges, Net Cost of Services, Depreciation Consolidating Condensed Statements of Comprehensive Income Condensed Income Statement [Table Text Block] Schedule Of Condensed Consolidating Balance Sheet Table [Text Block] Schedule Of Condensed Consolidating Balance Sheet Table [Text Block] Consolidating condensed balance sheets Consolidating Condensed Statements Of Cash Flows Condensed Cash Flow Statement [Table Text Block] Personnel Related Personnel Related [Member] Personnel Related [Member] Facility Related Facility Related [Member] Facility Related [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] March 31, 2014 Restructuring Reserve Cash payment/utilization Payments for Restructuring Balance as of March 31, 2014 Four And Seven Over Eight Senior Notes [Member] Four And Seven Over Eight Senior Notes [Member] Four And Seven Over Eight Senior Notes [Member] [Member] Long-term Debt [Member] Long-term Debt [Member] Unconsolidated Subsidiary Trusts By Type [Axis] Unconsolidated Subsidiary Trusts By Type [Axis] Unconsolidated Subsidiary Trusts By Type [Axis] Unconsolidated Subsidiary Trusts By Type [Domain] Unconsolidated Subsidiary Trusts By Type [Domain] Unconsolidated Subsidiary Trusts By Type [Domain] Convertible Note [Member] Convertible Note [Member] Convertible Note [Member] Repayments of Long-term Debt Repayments of Long-term Debt Convertible Senior Note Issuance Price As Percentage Of Face Value Convertible Senior Note Issuance Price As Percentage Of Face Value Convertible senior note issuance price as percentage of face value Debt Instrument, Basis Spread on Variable Rate Convertible number of common stock shares Debt Instrument Convertible Shares Debt Instrument, Convertible Shares Long-term debt Long-term Debt, Gross Debt instrument stated interest percentage Other Other Long-term Debt Long-term Debt Long-term Debt Maturity Dates Debt Instrument, Maturity Date, Description Proceeds from Issuance of Senior Long-term Debt Proceeds from Issuance of Senior Long-term Debt Debt Instrument, Description of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate. Stockholders Equity [Table] Stockholders Equity [Table] Stockholders' Equity [Table] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Value Stock Repurchased During Period, Value Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Equity Method Investee, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] Brazil [Member] Brazil [Member] Brazil [Member] [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Edmonton [Member] Edmonton [Member] Edmonton [Member] License Agreement Terms [Member] License Agreement Terms [Member] Portugal [Member] Portugal [Member] Portugal [Member] [Member] Zipcar [Member] Zipcar [Member] Zipcar [Member] Business Acquisition, Equity Interests Issued or Issuable [Line Items] Business Acquisition, Equity Interests Issued or Issuable [Line Items] Date of acquisition Business Acquisition, Effective Date of Acquisition Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Acquisition Purchase Price Allocation Vehicles Net Business Acquisition Purchase Price Allocation Vehicles Net Business acquisition, purchase price allocation, vehicles, net. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Other intangibles, useful life, in years Finite-Lived Intangible Asset, Useful Life Indefinite-Lived License Agreements Indefinite-Lived License Agreements Business Combination, Consideration Transferred, Other Business Combination, Consideration Transferred, Other Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Payments to Acquire Equity Method Investments Payments to Acquire Equity Method Investments Financial Instruments Financial Instruments Disclosure [Text Block] Income Statement [Abstract] Vehicle Depreciation And Lease Charges Net Total expenses Provision for (benefit from) income taxes Comprehensive income (loss) Earnings (loss) per share Basic (US$ per share) Earnings Per Share, Basic Diluted (US$ per share) Earnings Per Share, Diluted Earnings Per Share Earnings Per Share [Text Block] Long-term Debt and Borrowing Arrangements Long-term Debt [Text Block] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Realogy [Member] Realogy Corporation [Member] Realogy Corporation [Member] Wyndham [Member] Wyndham Worldwide Corporation [Member] Wyndham Worldwide Corporation [Member] Realogy, Wyndham And Travelport [Member] Realogy Wyndham And Travelport [Member] Realogy, Wyndham And Travelport [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Real Estate Leases [Member] Property Lease Guarantee [Member] Schedule Of Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Percentage of assumption of contingent and other corporate liabilities Percentage Of Assumption Of Contingent And Other Corporate Liabilities Percentage of assumption of contingent and other corporate liabilities. Percentage of payment on defaulting party's obligation on assumed liabilities Percentage Of Payment On Defaulting Partys Obligation On Assumed Liabilities Percentage of payment on defaulting party's obligation on assumed liabilities. Purchase obligation over the next twelve months Recorded Unconditional Purchase Obligation Due in Next Twelve Months Aggregate purchase obligations Recorded Unconditional Purchase Obligation Maximum potential amount of future payments under guarantees Guarantor Obligations, Maximum Exposure, Undiscounted Liability recorded in connection with guarantees Guarantor Obligations, Current Carrying Value Schedule Of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Schedule Of Committed Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Net income (loss) for basic and diluted EPS Net Income (Loss) Available to Common Stockholders, Diluted Weighted Average Number of Shares Outstanding, Basic Options, warrants and non-vested stock Weighted Average Number Diluted Shares Outstanding Adjustment Convertible debt Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Derivative, Notional Amount Interest rate swaps Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Derivatives not designated as hedging instruments Summary Of Segments Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Eight And One Over Four Senior Notes [Member] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Currency Translation Adjustments, Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Net Unrealized Gains (Losses) on Cash Flow Hedges, Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Net Unrealized Gains on Available- For-Sale Securities, Balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Currency Translation Adjustments, Balance Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Accumulated Other Comprehensive Income, Balance Currency Translation Adjustments, Current period change Net unrealized gains on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Accumulated Other Comprehensive Income, Current period change Currency Translation Adjustments, Balance Net Unrealized Gains (Losses) on Cash Flow Hedges, Balance Net Unrealized Gains on Available- For-Sale Securities, Balance Currency Translation Adjustments, Balance Accumulated Other Comprehensive Income, Balance Derivatives used in Net Investment Hedge, Net of Tax Derivatives used in Net Investment Hedge, Net of Tax Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] 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. Gain 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. Amortization of debt financing fees Amortization of Financing Costs Net change in assets and liabilities, excluding the impact of acquisitions and dispositions: 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. Receivables Increase (Decrease) in Receivables Income taxes and deferred income taxes Increase Decrease In Income Taxes And Deferred Income Taxes Increase (Decrease) In Income Taxes And Deferred Income Taxes Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Net assets acquired (net of cash acquired) Vehicle programs: Vehicle Programs Investing Activities [Abstract] Vehicle Programs Investing Activities [Abstract]. Decrease (increase) in program cash Net cash used in investing activities of vehicle programs Net cash used in investing activities Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Payments on long-term borrowings Purchases of warrants Vehicle programs: Vehicle Programs Financing Activities [Abstract] Vehicle Programs Financing Activities [Abstract]. Payments on borrowings Net cash provided by financing activities of vehicle programs Net cash provided by financing activities Restructuring Activities Restructuring and Related Activities Disclosure [Text Block] Summary Of Changes To Restructuring-Related Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block]