Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of Intangible Assets Amortization Expense Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Consolidating Condensed Income Statement Condensed Income Statement [Table Text Block] Consolidating Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Consolidating Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Reconciliation of cash and cash equivalents (ASU 2016-18) [Abstract] Reconciliation of cash and cash equivalents (ASU 2016-18) [Abstract] Reconciliation of cash and cash equivalents (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents (2016-18) [Table Text Block] Equity [Abstract] Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Income Tax Disclosure [Abstract] Beginning Balance Unrecognized Tax Benefits Additions based on tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Additions for tax positions for prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions for tax positions for prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Ending Balance Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Newly Issued European Credit Facility Newly Issued European Credit Facility Newly Issued European Credit Facility Segment Reporting [Abstract] Summary of Operating Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Adjusted EBITDA to Income (Loss) Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Summary of Geographic Segment Information Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Restatement Adjustment [Member] Restatement Adjustment [Member] Scenario, Previously Reported [Member] Scenario, Previously Reported [Member] Legal Entity Legal Entity [Axis] Entity [Domain] Entity [Domain] Eliminations Eliminations [Member] Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company Parent Company [Member] Subsidiary Issuers Subsidiaries [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] 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. 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 Sales Revenue, Services, Net 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. 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 Intercompany interest expense (income) Intercompany Interest Expense Income The intercompany interest expense (income) recorded in order to properly reflect consolidated income. Early extinguishment of debt Early Debt Extinguishment Early Debt Extinguishment Impairment Transaction-related costs, net Acquisition- and integration- related costs, net Restructuring Charges Restructuring Charges Impairment of Intangible Assets (Excluding Goodwill) Impairment of Intangible Assets (Excluding Goodwill) Total expenses Costs and Expenses Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Provision for (benefit from) income taxes Income Tax Expense (Benefit) Equity in earnings (loss) of subsidiaries Income (Loss) from Equity Method Investments Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Payments for (Proceeds from) Other Investing Activities Payments for (Proceeds from) Other Investing Activities Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Investing Activities Effect of changes in exchange rates on cash and cash equivalents, program and restricted cash Effect of Exchange Rate on Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect 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. Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Payables and Accruals [Abstract] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Americas Americas [Member] International International [Member] International [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] 2018 Truck Restructuring [Member] 2018 Truck Restructuring [Member] 2018 Truck Restructuring [Member] 2015 Acquisition Integration [Member] 2015 Acquisition Integration [Member] 2015 Acquisition Integration [Member] T17 Restructuring [Member] T17 Restructuring [Member] T17 Restructuring [Member] 2014 T15 Restructuring [Member] 2014 T15 Restructuring [Member] 2014 T15 Restructuring [Member] 2011 Avis Europe Restructuring [Member] 2011 Avis Europe Restructuring [Member] 2011 Avis Europe Initiative [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring and Related Cost, Expected Number of Positions Eliminated Restructuring and Related Cost, Expected Number of Positions Eliminated Restructuring and Related Cost, Number of Positions Eliminated Restructuring and Related Cost, Number of Positions Eliminated Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables (net of allowance for doubtful accounts of $36 and $38, respectively) Receivables, 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 Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Goodwill 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 Vehicles, net Vehicles Net Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy. 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. Assets under vehicle programs Assets Under Vehicle Programs 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 Short Term Debt And Current Portion Of Long Term Debt Short-term debt and current portion of long-term debt 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 Under Vehicle Programs 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 Commitments and Contingencies Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, $.01 par value—authorized 10 shares; none issued and outstanding Preferred Stock, Value, Issued Common stock, $.01 par value—authorized 250 shares; issued 137 shares, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost—56 and 51 shares, respectively Treasury Stock, Value Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders’ equity Liabilities and Equity Line of Credit Facility [Table] Line of Credit Facility [Table] Revolving Credit Facility Maturing 2018 Revolving Credit Facility Maturing Two Thousand Twenty One [Member] Revolving Credit Facility Maturing Two Thousand Twenty One [Member] Other Credit Facility [Member] Other Credit Facility [Member] Other Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Total Capacity Line of Credit Facility, Current Borrowing Capacity Outstanding Borrowings Long-term Line of Credit Letters of Credit Issued Letters of Credit Outstanding, Amount Available Capacity Line of Credit Facility, Remaining Borrowing Capacity Stockholders' Equity [Table] Stockholders Equity [Table] Stockholders' Equity [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Corporate Interest Expense [Member] Corporate Interest Expense [Member] Corporate Interest Expense [Member] Hedging Designation Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Foreign Exchange Forward [Member] Foreign Exchange Forward [Member] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Entity Public Float Entity Public Float Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Less: Pension and post-retirement benefits reclassified to earnings, net of tax of $(2), $(1) and $(6), respectively Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Avis Budget Rental Car Funding Program [Member] Avis Budget Rental Car Funding Program [Member] Avis Budget Rental Car Funding Program [Member] Debt Due To Rental Car Funding [Member] Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] Americas Debt Borrowings [Member] International Debt Borrowings International Debt Borrowings [Member] International Debt Borrowings [Member] International Capital Leases International Capital Leases [Domain] International Capital Leases [Domain] Other Other Debt Under Vehicle Program [Member] Other debt under the vehicle program. Debt Under Vehicle Programs [Member] Debt Under Vehicle Programs [Member] Debt Under Vehicle Programs [Member] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt Under Vehicle Programs And Borrowing Arrangements [Line Items] Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate 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 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. Debt under vehicle programs Vehicle Program Outstanding Debt Vehicle Program Outstanding Debt 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). Retirement Benefits [Abstract] Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation Employee Benefit Plans [Abstract] Retirement Benefits, Description [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan Amortization Of Unrecognized Amounts Defined Benefit Plan Amortization Of Unrecognized Amounts Defined benefit plan, amortization of unrecognized amounts Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Fair Value of Plan Assets Defined Benefit Plan, Fair Value of Plan Assets Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Derivative Instruments and Hedging Activities Disclosure [Abstract] Financial Instruments Financial Instruments Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Selected Quarterly Financial Data Quarterly Financial Information [Text Block] Earnings Per Share [Abstract] Net income for basic and diluted EPS Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Options, warrants and non-vested stock Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Earnings (loss) per share: Earnings Per Share, Basic and Diluted [Abstract] Basic Earnings Per Share, Basic Diluted Earnings Per Share, Diluted Property, Plant and Equipment [Abstract] Depreciation and amortization expense Depreciation, Nonproduction Amortization expense relating to capitalized computer software Capitalized Computer Software, Amortization Cash Flows Adjustment Reconciliation (ASU 2016-18) [Abstract] Cash Flows Adjustment Reconciliation (ASU 2016-18) [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Land Land Buildings and leasehold improvements Buildings and Improvements, Gross Capitalized software Capitalized Computer Software, Gross Furniture, fixtures and equipment Furniture and Fixtures, Gross Buses and support vehicles Public Utilities, Property, Plant and Equipment, Vehicles Projects in process Construction in Progress, Gross Property and Equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, Plant and Equipment, Net, Total Cash Flows reconciliation GNG (2016-18) [Abstract] Cash Flows reconciliation GNG (2016-18) [Abstract] Cash Flows reconciliation (2016-18) [Table Text Block] Cash Flows reconciliation GNG (2016-18) [Table Text Block] Cash Flows reconciliation GNG (2016-18) [Table Text Block] Schedule of Cost-method Investments [Table] Schedule of Cost-method Investments [Table] Interest Rate Caps Sold Sold [Member] Sold [Member] Purchase [Member] Purchase [Member] Purchase [Member] Interest Rate Cap [Member] Interest Rate Cap [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Currency Swap [Member] Currency Swap [Member] Schedule of Cost-method Investments [Line Items] Schedule of Cost-method Investments [Line Items] Derivative, Notional Amount Derivative, Notional Amount Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Short-term debt and current portion of long-term debt Long-term Debt, Current Maturities 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. Debt under vehicle programs Vehicle-backed debt due to Avis Budget Rental Car Funding 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. 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. Long-Term Debt And Borrowing Arrangements [Abstract] Long-term Debt, Unclassified [Abstract] 2016 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Two 2018 Long-term Debt, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt, Maturities, Repayments of Principal in Year Four 2020 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Debt and Capital Lease Obligations 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) 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. Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Compensation Amortization of debt financing fees Amortization of Debt Issuance Costs Early extinguishment of debt costs Other Noncash Expense 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 Increase (Decrease) in 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 Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] 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 Net assets acquired (net of cash acquired) Payments to Acquire Businesses, Net of Cash Acquired Other, net 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 . Vehicle programs: Vehicle Programs Investing Activities [Abstract] Vehicle Programs Investing Activities [Abstract]. 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. Repayments of Related Party Debt Repayments of Related Party Debt 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 Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] 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. 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. Net change in short-term borrowings Proceeds from (Repayments of) Short-term Debt Debt financing fees Payments of Financing Costs Repurchases of common stock Payments for Repurchase of Common Stock Other, net Proceeds from (Payments for) Other Financing Activities 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 Vehicle programs: Vehicle Programs Financing Activities [Abstract] Vehicle Programs Financing Activities [Abstract]. Proceeds from borrowings Proceeds From Borrowings From Financing Activities Within Vehicle Programs The net cash inflow (outflow) in aggregate debt due to repayments and proceeds from additional borrowings related to vehicle programs 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 (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents, program and restricted cash Cash and cash equivalents, program and restricted cash, end of period Supplemental Disclosure Supplemental Cash Flow Information [Abstract] Interest payments Interest Paid Income tax payments, net Income Taxes Paid, Net Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Other Tax [Member] Other Tax [Member] Other Tax [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent U.S. federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State and local income taxes, net of federal tax benefits Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Taxes on foreign operations at rates different than statutory U.S. federal rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Resolution of prior years' examination issues Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Effective Income Tax Rate Reconciliation, Stock-based Compensation, Percent Effective Income Tax Rate Reconciliation, Stock-based Compensation, Percent Effective Income Tax Rate Reconciliation, Stock-based Compensation, Percent Non-deductible transaction-related costs Effective Income Tax Rate Reconciliation, Non-deductible Transaction-Related Costs, Percent, Total Effective Income Tax Rate Reconciliation, Non-deductible Transaction-Related Costs, Percent, Total Effective Income Tax Rate Reconciliation, 2017 Tax Reform Act Impact, Percent, Total Effective Income Tax Rate Reconciliation, 2017 Tax Reform Act Impact, Percent, Total Effective Income Tax Rate Reconciliation, 2017 Tax Reform Act Impact, Percent, Total Other non-deductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Income Tax Rate, Continuing Operations, Total Effective Income Tax Rate Reconciliation, Percent Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Range Minimum [Member] Minimum [Member] Maximum Maximum [Member] Weighted Average [Member] Weighted Average [Member] 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 Goodwill [Member] Trademarks Trademarks [Member] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Licensing 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] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying Amount Finite-Lived Intangible Assets, Net Trademarks Indefinite-Lived Intangible Assets (Excluding Goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Vehicle Interest [Member] Vehicle Interest [Member] Vehicle Interest [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Derivatives used in Net Investment Hedge, Net of Tax Derivatives used in Net Investment Hedge, Net of Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Currency Translation Adjustment, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Currency translation adjustments, net of tax of $33, $(9) and $(22), respectively Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Currency Translation Adjustment, Ending Balance Net Unrealized Gains (Losses) on Cash Flow Hedges, Beginning Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Net unrealized holding gains (losses), net of tax of $0, $(1), and $4, respectively Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Net Of Tax Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Net Of Tax Net Unrealized Gains (Losses) on Cash Flow Hedges, Period change Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Net Unrealized Gains (Losses) on Cash Flow Hedges, Ending Balance Net Unrealized Gains (Losses) on Available- For-Sale Securities, Beginning Balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net unrealized gains (losses) on available-for-sale securities, net of tax of $(1), $(1),and $1, respectively Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax Less: Realized losses on available-for-sale securities reclassified to earnings, net of tax of $0, $0 and $1, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Net unrealized gains on available-for-sale securities, net of tax of $0, $0 and $0, respectively Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net Unrealized Gains (Losses) on Available- For-Sale Securities, Ending Balance Minimum Pension Liability Adjustment, Beginning Balance Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Minimum Pension Liability Adjustment, Period change Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Minimum Pension Liability Adjustment, Ending Balance Accumulated Other Comprehensive Income (Loss), Beginning Balance Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent before reclassifications Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent before reclassifications Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent before reclassifications Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Accumulated Other Comprehensive Income (Loss), Period change Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Accumulated Other Comprehensive Income (Loss), Ending Balance Other Related Charges [Abstract] Other Related Charges [Abstract] Other Nonrecurring Expense Other Nonrecurring Expense Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost Charges related to voluntary termination program Charges related to voluntary termination program Charges related to voluntary termination program Charges related to voluntary termination program, Expected Number of Positions Eliminated Charges related to voluntary termination program, Expected Number of Positions Eliminated Charges related to voluntary termination program, Expected Number of Positions Eliminated Charges related to voluntary termination program, Number of Positions Eliminated Charges related to voluntary termination program, Number of Positions Eliminated Charges related to voluntary termination program, Number of Positions Eliminated Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan [Member] Domestic Plan [Member] Foreign Plan [Member] Foreign Plan [Member] Maximum [Member] Defined Benefit Plan, Asset 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Benefit Cost, Expected Long-term Rate of Return on Plan Assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Cash and Cash Equivalents Cash and Cash Equivalents [Member] US Stock Domestic Stock [Member] Domestic stock [Member] Non US Stock International Stock [Member] International stock [Member] Real Estate [Member] Real Estate [Member] Non US Government Securities Foreign Government Debt Securities [Member] Corporate Bonds Corporate Debt Securities [Member] Other Assets Other Assets [Member] Income Taxes Income Tax Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Future Minimum Lease Payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Rent Expense Schedule of Rent Expense [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Performance Shares [Member] Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number of Shares Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number of Shares Outstanding Number of unvested equity awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of RSUs - Balance at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of RSUs - Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of RSUs - Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of RSUs - Forfeited/expired Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of RSUs - Balance at end of year Weighted Average Grant Price, Balance at beginning of year 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 - Vested 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 - Forfeited/expired 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 - Granted 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, Balance at end of year Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value The weighted average grant date fair value of unvested equity awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term 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 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Expected to Vest Disclosure Components Of Companys Vehicles [Abstract] Disclosure - Components of Company's Vehicles [Abstract] Vehicle Rental Activities Vehicle Rental Activities [Text Block] Information related to the Company's vehicle rental activities. Disclosure Licensing Activities Additional Information [Abstract] Disclosure - Licensing Activities - Additional Information [Abstract] Licenses Agreements [Table] Licenses Agreements [Table] Licenses Agreements [Table] Licensing Activities [Line Items] License Agreements [Line Items] License Agreements [Line Items] Restructuring Restructuring and Related Activities Disclosure [Text Block] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Provision adjustment due to anticipated repatriation of foreign earnings [Member] Provision adjustment due to anticipated repatriation of foreign earnings [Member] Provision adjustment due to anticipated repatriation of foreign earnings [Member] Provision adjustment due to corporate tax rate change [Member] Provision adjustment due to corporate tax rate change [Member] Provision adjustment due to corporate tax rate change [Member] Deferred Income Tax Expense (Benefit) Net revenues Revenue, Net Net income (loss) Net Income (Loss) Attributable to Parent Basic Net income (loss) (in dollars per share) Diluted Net income (loss) (in dollars per share) Diluted weighted average shares outstanding Summary of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Summary of Funded Status of Pension Plans Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] Schedule of Net Funded Status [Table Text Block] Schedule of Net Funded Status [Table Text Block] Summary of Assumptions Used to Determine Pension Obligations and Pension Costs Schedule of Assumptions Used [Table Text Block] Summary of Defined Benefit Pension Plans' Assets Fair Value Schedule of Allocation of Plan Assets [Table Text Block] Debt Instrument Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Bank Overdrafts [Member] Bank Overdrafts [Member] Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Line of Credit Facility, Interest Rate During Period Line of Credit Facility, Interest Rate During Period 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 Vehicle Program 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). Contributions Defined Contribution Plan, Cost Amortized from accumulated other comprehensive income into net periodic benefit cost Defined Benefit Plan, Expected Amortization, Next Fiscal Year Long-term rate of return on plan assets Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Benefit Obligation Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Benefit Obligation Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Fair Value of Plan Assets Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Fair Value of Plan Assets Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plan, Accumulated Benefit Obligation Estimated future benefit payments, 2014 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Estimated future benefit payments, 2015 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Estimated future benefit payments, 2016 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Estimated future benefit payments, 2017 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Estimated future benefit payments, 2018 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Estimated future benefit payments, 2019 to 2023 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Contribution to multiemployer plans Multiemployer Plan, Contributions by Employer Deferred Income Tax Assets And Liabilities [Table] Deferred Income Tax Assets And Liabilities [Table] Deferred Income Tax Assets And Liabilities [Table] Vehicle Repurchase And Guaranteed Depreciation Programs 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 Programs Vehicle Programs [Member] Vehicle Programs [Member] Deferred Income Tax Assets And Liabilities [Line Items] Deferred Income Tax Assets And Liabilities [Line Items] Deferred Income Tax Assets And Liabilities [Line Items] Net tax loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Accrued liabilities and deferred income Deferred Tax Assets Accrued Liabilities And Deferred Income Non Current Deferred Tax Assets, Accrued Liabilities And Deferred Income, Non Current Tax credits Deferred Tax Assets, Tax Credit Carryforwards Depreciation and amortization Deferred Tax Assets Depreciation And Amortization Non Current Deferred Tax Assets, Depreciation And Amortization, Non Current Acquisition and integration-related liabilities Deferred Tax Assets Acquisition And Integration Related Liabilities Non Current Deferred Tax Assets, Acquisition And Integration-Related Liabilities, Non Current Provision for doubtful accounts Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Other Deferred Tax Assets, Other Valuation allowance Deferred Tax Assets, Valuation Allowance, Noncurrent Deferred income tax assets Deferred Tax Assets Noncurrent Deferred tax assets noncurrent Depreciation and amortization Deferred Tax Liabilities Depreciation And Amortization Non Current Deferred tax liabilities depreciation and amortization non current Deferred Tax Liabilities, Prepaid Expenses Deferred Tax Liabilities, Prepaid Expenses Other Deferred Tax Liabilities, Other Non-current deferred income tax liabilities Deferred Tax Liabilities, Net, Noncurrent Non-current net deferred income tax assets Depreciation and amortization Deferred Tax Assets Depreciation And Amortization Deferred tax assets depreciation and amortization Depreciation and amortization Deferred Tax Liabilities Depreciation And Amortization Deferred Tax Liabilities, Depreciation and Amortization Deferred Tax Liabilities, Net Deferred Tax Liabilities, Net Deferred Income Tax Assets and Liabilities Additional Information (Detail) [Abstract] Deferred Income Tax Assets and Liabilities Additional Information (Detail) [Abstract] Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets Operating Loss Carryforward With Valuation Against It Deferred Tax Assets Operating Loss Carryforward With Valuation Against It Deferred Tax Assets Operating Loss Carryforward With Valuation Against It Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred Tax Assets State And Local Deferred Tax Assets State And Local Deferred tax assets state and local Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] Facility Closing [Member] Facility Closing [Member] Other Restructuring [Member] Other Restructuring [Member] Balance, beginning Restructuring Reserve Restructuring expense Cash payment/utilization Payments for Restructuring Balance, ending Schedule of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Contractual Maturities of Company's Corporate Debt Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Committed Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Non-Guarantor Subsidiaries Net cash provided by (used in) operating activities Net assets acquired (net of cash acquired) intercompany loan receipts Proceeds from (Repayments of) Related Party Debt Decrease in program cash Investment In Vehicles Proceeds from borrowings Principal payments on borrowings Proceeds from (Repayments of) Short-term Debt Payments for Repurchase of Common Stock Intercompany loan borrowings Intercompany loan borrowings Intercompany loan borrowings Principal payments on borrowings Schedule of Selected Quarterly Financial Data Quarterly Financial Information [Table Text Block] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES All Other Countries All Other Countries [Member] All other countries [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Net revenues Assets exclusive of assets under vehicle programs Segment Assets Exclusive Of Assets Under Vehicle Program Segment assets exclusive of assets under vehicle program Long-Lived Assets Long-Lived Assets 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] Schedule of Effect of Derivatives Recognized Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Carrying Amounts and Estimated Fair Values Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Current income tax provision (benefit) Current Income Tax Expense (Benefit) Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income tax provision Provision for (benefit from) income taxes Aggregate Intrinsic Value - Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Accounting Policies [Abstract] Accounting Principles Accounting Principles Policy [Policy Text Block] Accounting Principles [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Use of Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Currency Translation Foreign Currency Translations Policy [Policy Text Block] Foreign Currency Translations [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Program Cash Program Cash Policy [Policy Text Block] Program Cash [Policy Text Block] Vehicles Vehicles Policy [Policy Text Block] Vehicles [Policy Text Block] Advertising Expenses Advertising Costs, Policy [Policy Text Block] Taxes Income Tax, Policy [Policy Text Block] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Derivative Instruments Derivatives, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Self-Insurance Reserves Self Insurance Reserves Policy [Policy Text Block] Self Insurance Reserves [Policy Text Block] Share-based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Transaction-related Costs Transaction Related Costs Policy [Policy Text Block] Transaction Related Costs [Policy Text Block] Currency Transactions Foreign Currency Transactions Policy [Policy Text Block] Foreign Currency Transactions [Policy Text Block] New and Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Deferred income taxes Federal net operating loss carryforwards net of valuation allowances Operating Loss Carryforwards Operating loss carryforwards expiration period Operating Loss Carryforwards, Expiration Date Foreign net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Foreign Deferred Tax Liabilities, Undistributed Foreign Earnings Deferred Tax Liabilities, Undistributed Foreign Earnings Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Five Finite-Lived Intangible Assets, Amortization Expense, Year Five Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Long-term Debt and Borrowing Arrangements Long-term Debt [Text Block] Indefinite-lived Intangible Assets Acquired as Part of Business Combination [Table] Indefinite-lived Intangible Assets Acquired as Part of Business Combination [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Acquisition-related Costs [Member] Acquisition-related Costs [Member] Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] 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 depreciation and amortization Interest expense related to corporate debt, net Early extinguishment of debt Gain (Loss) on Extinguishment of Debt Asset Impairment Charges Asset Impairment Charges Charges for legal matter Charges for legal matter Charges for legal matter Income before income taxes Text Block [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] 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 Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Non Avis Budget Car Rental Tax Contingencies Non Avis Budget Car Rental Tax Contingencies [Member] Non-Avis Budget Car Rental Tax Contingencies [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Unrecognized tax benefits, non-current income taxes payable Unrecognized tax benefits, non-current income taxes payable Unrecognized tax benefits, non-current income taxes payable Unrecognized Tax Benefits, Interest on Income Taxes Accrued Unrecognized Tax Benefits, Interest on Income Taxes Accrued Unrecognized Tax Benefits Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Segments Goodwill [Line Items] Goodwill [Line Items] Gross goodwill Goodwill, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill Goodwill, Impaired, Accumulated Impairment Loss Goodwill, Impaired, Accumulated Impairment Loss Acquisition Goodwill, Acquired During Period Adjustments to the allocation of purchase price Goodwill, Translation and Purchase Accounting Adjustments Goodwill Share Based Compensation Percentage In Annual Base Salary, Min Share Based Compensation Percentage In Annual Base Salary, Min Share based compensation percentage in annual base salary, min. Deferred Compensation Arrangement with Individual, Shares Issued Deferred Compensation Arrangement with Individual, Shares Issued Maximum number of shares reserved for grant of awards Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Shares available for grant under the plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Allocated Share-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. Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] Common Stock [Member] Common Stock [Member] Accumulated Deficit Retained Earnings [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Stock Options Exercised Excess Tax Benefit from Share-based Compensation, Financing Activities Excess Tax Benefit from Share-based Compensation, Financing Activities Stock Issued During Period, Value, Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Balance Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Number of Options - Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Treasury Stock, Value, Acquired, Cost Method Balance Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Redeemable Shares, Issued Shares, Issued Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Type Of Vesting [Axis] Type Of Vesting [Axis] Type Of Vesting [Axis] Type Of Vesting [Domain] Type Of Vesting [Domain] Type Of Vesting [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number Of Restricted Stock Units Target Award Vested Range Maximum Number Of Restricted Stock Units Target Award Vested Range Maximum Number Of Restricted Stock Units Target Award Vested Range Maximum 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, Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Gains (Losses) on Extinguishment of Debt Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Interest Rate Contract Interest Rate Contract [Member] Commodity Contract Commodity Contract [Member] Interest Expense [Member] Interest Expense [Member] Operating Expense [Member] Operating Expense [Member] Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Amount Not Offset Against Collateral Interest rate swaps Derivatives not designated as hedging instruments Derivative, Gain (Loss) on Derivative, Net Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Amount Not Offset Against Collateral Accounts Payable and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Disclosure Schedule Of Other Current Assets [Abstract] Disclosure - Schedule of Other Current Assets [Abstract] Prepaid expenses Prepaid Expense, Current Sales and use tax Sales And Use Taxes Sales and use taxes due either from customers arising from sales, or as previously overpaid to tax authorities. Other Other Assets, Miscellaneous, Current Total other current assets Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants 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 Valuation period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share Based Compensation Percentage In Annual Base Salary, Max Share Based Compensation Percentage In Annual Base Salary, Max Share Based Compensation Percentage In Annual Base Salary, Max Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Realogy Realogy Corporation [Member] Realogy Corporation [Member] Wyndham Wyndham Worldwide Corporation [Member] Wyndham Worldwide Corporation [Member] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Future sublease rental inflows Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Operating leases, residual value of leased assets Operating Leases Residual Value Of Leased Assets Operating leases, residual value of leased assets. Loss Contingency Accrual Loss Contingency Accrual Loss Contingency, Range of Possible Loss, Portion Not Accrued Loss Contingency, Range of Possible Loss, Portion Not Accrued Vehicle purchase commitments over the next 12 months Recorded Unconditional Purchase Obligation Due in Next Twelve Months Aggregate purchase obligations Recorded Unconditional Purchase Obligation Receivables due from former subsidiaries Other Receivables Liabilities accrued for asset retirement obligations Asset Retirement Obligation Summary of Changes to Restructuring-Related Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Assets for Plan Benefits, Defined Benefit Plan Assets for Plan Benefits, Defined Benefit Plan Liability, Defined Benefit Plan, Current Liability, Defined Benefit Plan, Current Liability, Defined Benefit Plan, Noncurrent Liability, Defined Benefit Plan, Noncurrent Benefit obligation at end of prior year Actuarial loss Benefit obligation at end of current year Fair value of assets at end of prior year Net benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Fair value of assets at end of current year Total unfunded status at end of year (recognized in other non-current liabilities in the Consolidated Balance Sheets) Defined Benefit Plan, Funded (Unfunded) Status of Plan Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Reconciliation of cash and cash equivalents GNG (2016-18) [Abstract] Reconciliation of cash and cash equivalents GNG (2016-18) [Abstract] Reconciliation of cash and cash equivalents GNG (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents GNG (2016-18) [Table Text Block] Reconciliation of cash and cash equivalents GNG (2016-18) [Table Text Block] Receivables, net Intercompany receivables (payables) Intercompany Receivables Payables Intercompany receivables (payables) from (to) subsidiaries. Investment in subsidiaries Equity Method Investments Due to Related Parties, Noncurrent Due to Related Parties, Noncurrent 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. Due to Avis Budget Rental Car Funding (AESOP) LLC-related party Receivables, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current 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 Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Currency translation adjustment Net carrying value of software developed Capitalized Computer Software, Net Vehicle interest income Vehicle Interest Income Vehicle Interest Income Advertising expense Advertising Expense Investments in joint ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Retained risks of liability to third parties Retained Risks Of Liabilities Retained Risks Of Liabilities Workers compensation liabilities Deferred Compensation Liability, Current and Noncurrent Business Acquisition, Transaction Costs Business Acquisition, Transaction Costs Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability, Favorable Currency Exchange Rate Movements Business Combination, Contingent Consideration, Liability, Favorable Currency Exchange Rate Movements Business Combination, Contingent Consideration, Liability, Favorable Currency Exchange Rate Movements Gain or loss of currency transactions Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Increase (Decrease) in Customer Loyalty Program Liability Increase (Decrease) in Customer Loyalty Program Liability Increase (Decrease) in Customer Loyalty Program Liability (Net of Tax) Increase (Decrease) in Customer Loyalty Program Liability (Net of Tax) Increase (Decrease) in Customer Loyalty Program Liability (Net of Tax) Condensed Financial Information of Parent Company Only Disclosure [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Text Block] Guarantor and Non-Guarantor Condensed Cash Flow Statements [Text Block] Guarantor and Non-Guarantor Condensed Cash Flow Statements [Text Block] Guarantor and Non-Guarantor Condensed Cash Flow Statements [Text Block] Guarantor and Non-Guarantor Condensed Balance Sheet [Text Block] Guarantor and Non-Guarantor Condensed Balance Sheet [Text Block] Guarantor and Non-Guarantor Condensed Balance Sheet [Text Block] Guarantor and Non-guarantor Consolidating Financial Statements Guarantor and Non-Guarantor Condensed Income Statement [Text Block] Guarantor and Non-Guarantor Condensed Income Statement [Text Block] Earnings Per Share Earnings Per Share [Text Block] Cash Flows reconciliation (2016-18) [Abstract] Cash Flows reconciliation (2016-18) [Abstract] Cash Flows reconciliation (2016-18) [Table Text Block] Cash Flows reconciliation (2016-18) [Table Text Block] Cash Flows reconciliation (2016-18) [Table Text Block] Disclosure Schedule Of Intangible Assets Amortization Expense [Abstract] Disclosure - Schedule of Intangible Assets Amortization Expense [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Amortization expense Amortization of Intangible Assets Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Debt Under Vehicle Programs and Borrowing Arrangements Debt Disclosure [Text Block] Rent and minimum concession fees Operating Leases, Rent Expense, Minimum Rentals Contingent concession expense Operating Leases, Rent Expense, Contingent Rentals Rent and contingent concession expense Operating Leases Rent And Contingent Concession Expense Operating leases rent and contingent concession expense. Less: sublease rental income Operating Leases, Rent Expense, Sublease Rentals Total Operating Leases, Rent Expense, Net Provision for (Benefit From) Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Pretax Income (Loss) for Domestic and Foreign Operations Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Reconciliation of U.S Federal Income Tax Statutory Rate and Effective Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Changes in Gross Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Unrecognized Tax Benefits Summary Of Income Tax Contingencies By Balance Sheet Location Table [Text Block] Summary of income tax contingencies by balance sheet location [table text block] Total Vehicle Program Debt Amount Outstanding Amount borrowed under the vehicle program as of the balance sheet date. 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 Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Restricted Stock [Member] Restricted Stock [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 Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] 2017 Avis and Budget Licensees [Member] 2017 Avis and Budget Licensees [Member] 2017 Avis and Budget Licensees [Member] ACL Hire Limited [Member] ACL Hire Limited [Member] ACL Hire Limited [Member] Maggiore Group [Member] Maggiore Group [Member] Maggiore Group [Member] Brazil [Member] Brazil [Member] Brazil [Member] [Member] France Cars [Member] France Cars [Member] France Cars [Member] Avis and Budget Licensees [Member] Avis and Budget Licensees [Member] Avis and Budget Licensees [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Effective Date of Acquisition Business Acquisition, Effective Date of Acquisition Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Combination, Consideration Transferred, Other Business Combination, Consideration Transferred, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Finite-lived Intangible Assets Acquired Finite-lived Intangible Assets Acquired Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Non Cash Charge On Unfavorable License Rights Reacquired With Acquisition With Subsidiaries Non Cash Charge On Unfavorable License Rights Reacquired With Acquisition With Subsidiaries Non-cash charge on unfavorable license rights reacquired with the acquisition with subsidiaries. Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Payments to Acquire Equity Method Investments Payments to Acquire Equity Method Investments Due to Related Parties Due to Related Parties Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss Long-term Debt, Type Vehicle Programs [Member] Debt Instrument, Issuance Date Debt Instrument, Issuance Date Debt Instrument, Maturity Date Debt Instrument, Maturity Date Asset-Backed Securities, at Carrying Value Asset-Backed Securities, at Carrying Value Interest rate on capital leases Capital Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate Deferred Finance Costs, Net Debt Issuance Costs, Net Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options, Balance at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Options - Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of Options - Exercised Number of Options - Forfeited/expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of Options, Balance at end of year Weighted Average Exercise Price, Balance at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price - Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price - Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted Average Exercise Price - Forfeited/expired Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Balance at end of year Aggregate Intrinsic Value - Beginning of Year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value - Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value Aggregate Intrinsic Value - End of Year Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Summary of Share-Based Payment Award Stock Options Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation 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two thousand nineteen [member] 9 3/4% Senior Notes Nine And Three Over Four Senior Notes [Member] Nine And Three Over Four Senior Notes [Member] 6% Euro-Denominated Senior Notes Six Euro-Denominated Senior Notes [Member] Six Euro-Denominated Senior Notes [Member] Floating Rate Term Loan Due March Two Thousand Twenty Two [Member] Floating Rate Term Loan Due March Two Thousand Twenty Two [Member] Floating Rate Term Loan Due March Two Thousand Twenty Two [Member] Five and One over Eight Senior Notes [Member] Five and One over Eight Senior Notes [Member] Five and One over Eight Senior Notes [Member] 5 1/2% Senior Notes Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] Four and One over Eight Euro-Denominated Senior Notes [Member] Four and One over Eight Euro-Denominated Senior Notes [Member] Four and One over Eight Euro-Denominated Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] Four and One over Two Euro-Denominated Senior Notes [Member] Four and One over Two Euro-Denominated Senior Notes [Member] Four and One over Two Euro-Denominated Senior Notes [Member] Eight And One Over Four Senior Notes [Member] Eight And One Over Four Senior Notes [Member] Eight And One Over Four Senior Notes [Member] 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] Debt instrument interest percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Derivative, Amount of Hedged Item Derivative, Amount of Hedged Item Derivative, Fixed Interest Rate Derivative, Fixed Interest Rate Uncommitted credit facilities Short-term Bank Loans and Notes Payable Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Maturity Dates Debt Instrument, Maturity Date, Description Long-term Debt, Gross Long-term Debt, Gross Other Other Long-term Debt Less: Short-term debt and current portion of long-term debt Proceeds from Issuance of Debt Proceeds from Issuance of Debt Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate. Debt Instrument, Repurchase Amount Debt Instrument, Repurchase Amount Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount 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. Income Statement [Abstract] Revenues Revenues [Abstract] Expenses Operating Expenses [Abstract] Interest expense related to corporate debt, net: Interest and Debt Expense [Abstract] Restructuring and other related charges Provision for (benefit from) income taxes Earnings per share Anti-dilutive Non-Vested Stock Weighted Average Grant Date Fair Value Anti-dilutive Non-Vested Stock Weighted Average Grant Date Fair Value Anti-dilutive Non-Vested Stock Weighted Average Grant Date Fair Value Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Outstanding Common Stock Equivalents That Were Anti-Dilutive Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Buildings Building [Member] Furniture, Fixtures & Equipment Furniture and Fixtures [Member] Capitalized Software Computer Software, Intangible Asset [Member] Buses And Support Vehicles Vehicles [Member] Property And Equipment, Net [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] 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 Proceeds from Issuance of Senior Long-term Debt Proceeds from Issuance of Senior Long-term Debt Gain (Loss) on Extinguishment of Debt Disclosure Components Of Vehicle Depreciation And Lease Charges [Abstract] Disclosure - Components Of Vehicle Depreciation And Lease Charges [Abstract] Inventories [Table] Inventories [Table] Inventories [Table] Vehicle Rental Activities [Axis] Vehicle Rental Activities [Axis] Vehicle Rental Activities [Axis] Vehicle Rental Activities [Domain] Vehicle Rental Activities [Domain] [Domain] for Vehicle Rental Activities [Axis] Vehicle Depreciation and Lease Charges, Net [Line Items] Vehicle Depreciation And Lease Charges Net [Line Items] Vehicle Depreciation and Lease Charges, Net [Line Items] 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. Vehicle depreciation and lease charges, net Vehicle Depreciation And Lease Charges Net Vehicle Depreciation And Lease Charges, Net Accounts Payable, Other, Current Accounts Payable, Other, Current Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Corporate and Other Corporate and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Vehicle interest, net Assets under vehicle programs Capital expenditures (excluding vehicles) Capital Expenditure Excluding Vehicles Capital expenditure excluding vehicles Schedule of Estimated Useful Lives Schedule Of Property And Equipment Estimated Useful Lives Table [Table Text Block] Schedule Of Property And Equipment Estimated Useful Lives [Table Text Block] Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals 2016 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Two Years 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Accounts Payable and Other Current Liabilities [Abstract] Accounts Payable and Other Current Liabilities [Abstract] Accounts payable Accounts Payable, Current Accrued sales and use taxes Accrued Sales And Use Taxes Current Accrued sales and use taxes current Accrued payroll and related Employee-related Liabilities, Current Public liability and property damage insurance liabilities – current Public liability and property damage insurance liabilities, current Public liability and property damage insurance liabilities, current Deferred revenue – current Deferred Revenue, Current Accrued commissions Accrued Sales Commission, Current Accrued insurance Accrued Insurance, Current Other Other Liabilities, Current Accounts payable and other current liabilities Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Available-for-sale securities: Available-for-sale Securities [Abstract] Cash flow hedges: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Reclassification of cash flow hedges to earnings, net of tax of $(2), $(2) and $(3), respectively Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Minimum pension liability adjustment: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Pension and post-retirement benefits, net of tax of $(4), $21 and $(1), respectively Reclassification of pension and post-retirement benefits to earnings, net of tax of $(3), $(2) and $(2), respectively Other comprehensive income (loss) Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Allowance for Doubtful Accounts Allowance for Doubtful Accounts [Member] Tax Valuation Allowance Valuation Allowance Of Tax Assets [Member] Valuation allowance of Tax assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Balance at Beginning of Period Valuation Allowances and Reserves, Balance Expensed Valuation Allowances and Reserves, Additions for Charges to Cost and Expense Other Adjustments Valuation Allowances and Reserves, Additions for Adjustments Deductions Valuation Allowances and Reserves, Deductions Balance at End of Period Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Net Unrealized gains (losses) on available-for-sale securities, tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Net unrealized holding losses arising during period,tax Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Tax Other Comprehensive Income Unrealized Gain Loss On Cash Flow Hedges Arising During Period Tax Cash flow hedges reclassified to earnings, tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Pension and post retirement benefits, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Pension and post retirement benefits reclassified to earnings, tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Acquisitions Business Combination Disclosure [Text Block] Subsequent Events Subsequent Events [Text Block] Segment Information Segment Reporting Disclosure [Text Block]