Earnings Per Share [Abstract] 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] Derivative, Notional Amount Share-based Payment Arrangement [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] Award Type [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 Statement of Comprehensive Income [Abstract] 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), Securities, Available-for-sale, 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 Debt Disclosure [Abstract] 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). Accounting Policies [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [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] Buildings Building [Member] Furniture, Fixtures & Equipment Furniture and Fixtures [Member] Capitalized Software Computer Software, Intangible Asset [Member] Buses And Support Vehicles Vehicles [Member] Range Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum [Member] Minimum [Member] Maximum Maximum [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 Statement of Financial Position [Abstract] Receivables, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, 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 Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap [Member] Interest Rate Swap [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Loans Payable [Member] Loans Payable [Member] Senior Notes [Member] Senior Notes [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Four and three over four Euro-Denominated Senior Notes [Member] Four and three over four Euro-Denominated Senior Notes [Member] Four and three over four Euro-Denominated Senior Notes [Member] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] Five And One Over Four Senior Notes [Member] 5 1/2% Senior Notes Five And One Over Two Senior Notes [Member] Five And One Over Two Senior Notes [Member] Floating Rate Term Loan Due March 2019 Floating Rate Term Loan Due March Two Thousand Nineteen [Member] Floating rate term loan due march two thousand nineteen [member] Floating Rate Term Loan Due March Two Thousand Twenty Five [Member] Floating Rate Term Loan Due February Two Thousand Twenty Five [Member] Floating Rate Term Loan Due February Two Thousand Twenty Five [Member] Floating Rate Senior Notes Due December 2017 [Member] Floating Rate Senior Notes Due December 2017 [Member] Floating Rate Senior Notes Due December 2017 [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] Five and Three over Four Senior Note [Member] Five and Three over Four Senior Note [Member] Five and Three over Four Senior Note [Member] 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] Statistical Measurement [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Document Period End Date Document Period End Date Derivative, Fixed Interest Rate Derivative, Fixed Interest Rate Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Repurchase Amount Debt Instrument, Repurchase Amount Proceeds from Issuance of Senior Long-term Debt Proceeds from Issuance of Senior Long-term Debt Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate Percentage Of Margin Aggregate Interest Rate. Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Payables and Accruals [Abstract] Accounts Payable and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] 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. 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 Leases [Abstract] Lessor Disclosure [Abstract] Lessor Disclosure [Abstract] Lease Revenues Disaggregated by Geography [Table Text Block] Lease Revenues Disaggregated by Geography [Table Text Block] A lessor shall consider the level of detail necessary to satisfy the disclosure objective and how much emphasis to place on each of the various requirements. A lessor shall aggregate or disaggregate disclosures so that useful information is not obscured by including a large amount of insignificant detail or by aggregating items that have different characteristics. Lease Revenues Disaggregated by Brand [Table Text Block] Lease Revenues Disaggregated by Brand [Table Text Block] A lessor shall consider the level of detail necessary to satisfy the disclosure objective and how much emphasis to place on each of the various requirements. A lessor shall aggregate or disaggregate disclosures so that useful information is not obscured by including a large amount of insignificant detail or by aggregating items that have different characteristics. Lessee Disclosure [Abstract] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Supplemental Balance Sheet Information related to Leases [Table Text Block] Supplemental Balance Sheet Information related to Leases [Table Text Block] Supplemental Balance Sheet Information related to Leases [Table Text Block] Supplemental Cash Flow Information related to Leases [Table Text Block] Supplemental Cash Flow Information related to Leases [Table Text Block] Supplemental Cash Flow Information related to Leases [Table Text Block] Finance and Operating, Liability, Maturity [Table Text Block] Finance and Operating, Liability, Maturity [Table Text Block] Tabular disclosure of undiscounted cash flows of finance and operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance or operating lease liability recognized in statement of financial position. Accounts Payable and Other Current Liabilities [Abstract] Accounts Payable and Other Current Liabilities [Abstract] Operating Lease, Liability Operating Lease, Liability, Current Accounts payable Accounts Payable, Current Accrued sales and use taxes Accrued Sales And Use Taxes Current Accrued sales and use taxes current Employee-related Liabilities, Current Employee-related Liabilities, Current Accrued marketing and commissions, current Accrued marketing and commissions, current accrued marketing and commissions 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 lease revenues – current Deferred Revenue, Current Other Other Liabilities, Current Accounts payable and other current liabilities Accounts Payable and Accrued Liabilities, Current Income Tax Disclosure [Abstract] Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] 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 Unrecognized Tax Benefits Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Five And One Over Two Senior Notes [Member] Floating Rate Term Loan Due August 2027 [Member] Floating Rate Term Loan Due August 2027 [Member] Floating Rate Term Loan Due August 2027 [Member] Long-term Debt, Type [Axis] Debt Due To Rental Car Funding [Member] Debt Due To Rental Car Funding [Member] Debt Due to Rental Car Funding [Member] 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] Asset-Backed Securities, at Carrying Value Asset-Backed Securities, at Carrying Value Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from Issuance of Preferred Stock and Preference Stock Common Stock, Shares, Issued Retirement Benefits [Abstract] Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Financial Instruments Financial Instruments Disclosure [Text Block] Cover page. Entity Listings [Table] Entity Listings [Table] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Exchange [Domain] Exchange [Domain] Nasdaq [Member] Nasdaq [Member] Nasdaq [Member] None [Member] None [Member] None [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock [Member] Common Stock [Member] Rights [Member] Rights [Member] Entity Listings [Line Items] Entity Listings [Line Items] Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Document Transition Report Document Transition Report Document Annual Report Document Annual Report Title of 12(b) Security Title of 12(b) Security No Trading Symbol Flag No Trading Symbol Flag Document Type Document Type Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Trading Symbol Trading Symbol Document Fiscal Period Focus Document Fiscal Period Focus Entity Interactive Data Current Entity Interactive Data Current Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Security Exchange Name Security Exchange Name City Area Code City Area Code Local Phone Number Local Phone Number Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Public Float Entity Public Float Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [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] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] 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 Debt Security, Government, Non-US [Member] Corporate Bonds Corporate Debt Securities [Member] Other Assets Other Assets [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Plan Assets, Amount Defined Benefit Plan, Plan Assets, Amount Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Debt Under Vehicle Programs And Borrowing Arrangements [Table] Vehicle Programs Vehicle Programs [Member] 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] 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 Vehicle Program Debt Amount Outstanding Amount borrowed under the vehicle program as of the balance sheet date. Revenue Recognition and Deferred Revenue [Abstract] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Axis] Deferred Revenue [Domain] Deferred Revenue [Domain] Customer Loyalty [Member] Customer Loyalty [Member] Customer Loyalty [Member] Prepaid Rentals and Membership Fees [Member] Prepaid Rentals and Membership Fees [Member] Prepaid Rentals and Membership Fees [Member] Revenue Recognition, Multiple-deliverable Arrangements [Line Items] Revenue Recognition, Multiple-deliverable Arrangements [Line Items] Deferred Revenue, Current Deferred Revenue Deferred Revenue Deferred Revenue, Additions Deferred Revenue, Additions Deferred Revenue, Revenue Recognized Deferred Revenue, Revenue Recognized Deferred Revenue, Noncurrent Deferred Revenue, Noncurrent Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Cost-method Investments [Table] Schedule of Cost-method Investments [Table] Hedging Designation Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Derivative Contract Type [Domain] Foreign Exchange Forward [Member] Foreign Exchange Forward [Member] Currency Swap [Member] Currency Swap [Member] Interest Rate Contract Interest Rate Contract [Member] Commodity Contract Commodity Contract [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest Expense [Member] Interest Expense [Member] Operating Expense [Member] Operating Expense [Member] Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) Schedule of Investments [Line Items] Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Amount Not Offset Against Collateral Interest rate swaps Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax 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 Disclosure Schedule Of Other Current Assets [Abstract] Disclosure - Schedule of Other Current Assets [Abstract] Other Current Assets Other Current Assets Disclosure [Text Block] Other current assets disclosure [Text Block] Condensed Financial Information Disclosure [Abstract] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Legal Entity [Axis] 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] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net cash provided by (used in) 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 intercompany loan receipts Proceeds from (Repayments of) Related Party Debt Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities exclusive of vehicle programs Net Cash Used In Investing Activities Exclusive Of Vehicle Programs The net cash inflow (outflow) from investing activity exclusive of vehicle programs . 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 Proceeds from Related Party Debt Proceeds from 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 Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Investing Activities Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from borrowings Proceeds From Long Term Borrowings The cash inflow from a borrowing having initial term of repayment of more than one year or the normal operating cycle, if longer; and/or the cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. Principal payments on borrowings Principal Payments On Long Term Borrowings The cash outflow for a borrowing having initial term of repayment of more than one year or the normal operating cycle, if longer; and/or the cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. Proceeds from (Repayments of) Short-term Debt Proceeds from (Repayments of) Short-term Debt Debt financing fees Payments of Financing Costs Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Intercompany loan borrowings Intercompany loan borrowings Intercompany loan borrowings 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 Principal payments on borrowings Principal Payments On Borrowings From Financing Activities Within Vehicle Programs The net cash outflow on repayment of principal on borrowings used for vehicle programs Debt financing fees Vehicle Programs Payments Of Financing Costs The cash outflow paid to third parties in connection with debt origination for vehicle programs, which will be amortized over the remaining maturity period of the associated long-term debt. Net cash provided by financing activities of vehicle programs Net Cash Provided By Used In Financing Activities Of Vehicle Programs Net Cash Provided By Used In Financing Activities Of Vehicle Programs Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net increase (decrease) in cash and cash equivalents, program and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Other Related Charges [Abstract] Other Related Charges [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Executive's Name [Axis] Executive's Name [Axis] Executive's Name [Axis] Executive's Name [Domain] Executive's Name [Domain] [Domain] for Executive's Name [Axis] Larry D. De Shon [Member] Larry D. De Shon [Member] Larry D. De Shon [Member] Mark J. Servodidio [Member] Mark J. Servodidio [Member] Mark J. Servodidio [Member] David B. Wyshner [Member] David B. Wyshner [Member] David B. Wyshner [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Nonrecurring Expense Other Nonrecurring Expense Charges related to voluntary termination program Charges related to voluntary termination program Charges related to voluntary termination program Share-based Payment Arrangement, Accelerated Cost Share-based Payment Arrangement, Accelerated Cost Earnings Per Share Earnings Per Share [Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Acquisition-related Costs [Member] Acquisition-related Costs [Member] Business Segments Segments [Axis] Segments [Domain] Segments [Domain] Americas Americas [Member] International International [Member] International [Member] Corporate and Other Corporate and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenues Revenues Vehicle depreciation and lease charges, net Cost, Depreciation 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. Adjusted EBITDA Adjusted Earnings Before Income Depreciation And Amortization Adjusted earnings before non-vehicle related depreciation and amortization, any impairment charge, restructuring and other related charges, early extinguishment of debt costs, non-vehicle related interest, transaction-related costs, net charges for an unprecedented personal-injury legal matters, non-operational charges related to shareholder activist activity and income taxes. Non-vehicle depreciation and amortization Non Vehicle Related Depreciation And Amortization The expense recognized in the current period that allocates the cost of non-revenue generating tangible assets over their useful lives. Assets exclusive of assets under vehicle programs Segment Assets Exclusive Of Assets Under Vehicle Program Segment assets exclusive of assets under vehicle program Assets under vehicle programs Assets Under Vehicle Programs Assets Under Vehicle Programs Capital expenditures (excluding vehicles) Capital Expenditure Excluding Vehicles Capital expenditure excluding vehicles Property, Plant and Equipment [Abstract] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] 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] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Gross goodwill Goodwill, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill 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 Long-Term Debt And Borrowing Arrangements [Abstract] Long-term Debt, Unclassified [Abstract] Total Debt and Lease Obligation Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] 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] Accumulated Deficit Retained Earnings [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] Shares, Issued Shares, Issued Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax 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 Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Number of Options - Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method 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] Long-Lived Assets Long-Lived Assets Avis Budget Rental Car Funding Program [Member] Avis Budget Rental Car Funding Program [Member] Avis Budget Rental Car Funding Program [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] 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). Debt Under Vehicle Programs and Borrowing Arrangements Debt Disclosure [Text Block] Annual Activity of RSUs Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Summary of Share Based Compensation Shares Authorized Under Stock Option Plans by Exercise Price Range Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] 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 Other Assets, Current 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 - Exercised Aggregate Intrinsic Value - Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Senior Notes and Loans Payable [Member] Senior Notes and Loans Payable [Member] Senior Notes and Loans Payable [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] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight Senior Notes [Member] Six And Three Over Eight 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] 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] 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, 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 Debt Instrument, Face Amount Derivative, Amount of Hedged Item Derivative, Amount of Hedged Item Uncommitted credit facilities Short-term Bank Loans and Notes Payable Maturity Dates Debt Instrument, Maturity Date, Description Long-term Debt, Gross Long-term Debt, Gross Other Other Long-term Debt Deferred Finance Costs, Net Debt Issuance Costs, Net 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 Less: Short-term debt and current portion of long-term debt Long-term Debt, Current Maturities Percentage Of Margin Aggregate Interest Rate Debt Instrument, Repurchase Amount Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Long-term debt Long-term Debt, Excluding Current Maturities 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 Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net income 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. Amortization of Right-Of-Use Assets Amortization of Right-Of-Use Assets Amortization of Right-Of-Use Assets (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. Non-vehicle related depreciation and amortization Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Payment Arrangement, Noncash Expense 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 Increase (Decrease) in Operating Liabilities Increase (Decrease) in Operating Liabilities Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net assets acquired (net of cash acquired) Investment in vehicles Net Cash Used In Investing Activities Of Vehicle Programs Net cash used in investing activities Proceeds from long-term borrowings Payments on long-term borrowings Net change in short-term borrowings Repurchases of common stock Payments on borrowings Net cash provided by (used in) financing activities Effect of changes in exchange rates on cash and cash equivalents, program and restricted cash Cash and cash equivalents, program and restricted cash, beginning of period Cash and cash equivalents, program and restricted cash, end of period Supplemental Disclosure Supplemental Cash Flow Information [Abstract] Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Interest Paid, Excluding Capitalized Interest, Operating Activities Interest Paid, Excluding Capitalized Interest, Operating Activities Income Taxes Paid, Net [Abstract] Income Taxes Paid, Net [Abstract] Income tax payments, net Income Taxes Paid, Net 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. Non-Guarantor Subsidiaries Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables, net Receivables, Net, Current Other current assets Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Goodwill Other intangibles, net Intangible Assets, Net (Excluding Goodwill) Other non-current assets Other Assets, Noncurrent Intercompany receivables (payables) Intercompany Receivables Payables Intercompany receivables (payables) from (to) subsidiaries. Investment in subsidiaries Equity Method Investments Total assets exclusive of assets under vehicle programs Total Assets Exclusive Of Assets Under Vehicle Programs Sum of the carrying amounts as of the balance sheet date of all assets excluding assets relating to assets under vehicle programs that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Assets under vehicle programs: Assets Under Vehicle Programs [Abstract] Assets under vehicle program Program cash Program Cash The carrying amounts of cash and cash equivalent items related to vehicle programs which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Vehicles, net 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 Total assets Assets Liabilities and stockholders' equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and other current liabilities Short-term debt and current portion of long-term debt Total current liabilities Liabilities, Current Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Due to Related Parties, Noncurrent Due to Related Parties, 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. Due to Avis Budget Rental Car Funding (AESOP) LLC-related party Debt Due To Related Party Carrying amount as of the balance sheet date of obligations due to Avis Budget Rental Car Funding (AESOP) LLC- a related party, for rental vehicles. Deferred Income Taxes Deferred Income Taxes Represents the portion of deferred tax liabilities related to rental vehicles. A taxable temporary difference between the tax basis and the carrying amount of rental vehicles in the financial statements prepared in accordance with generally accepted accounting principles. Other Other Liabilities Under Vehicle Programs Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations (mainly payables for program vehicles purchased) not separately disclosed in the balance sheet due to materiality considerations. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Total Liabilities under vehicle programs Liabilities Under Vehicle Programs Liabilities Under Vehicle Programs Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity 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] Income Statement [Abstract] Revenues Revenues [Abstract] Expenses Operating Expenses [Abstract] Operating Operating Costs and Expenses Selling, general and administrative Selling, General and Administrative Expense Vehicle interest, net Interest expense related to corporate debt, net: Interest and Debt Expense [Abstract] Interest expense Interest Expense Early extinguishment of debt Restructuring and other related charges Restructuring Charges Transaction-related costs, net Transaction-related costs, net Acquisition- and integration- related costs, net Impairment Asset Impairment Charges 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) Earnings per share Basic Earnings Per Share, Basic Diluted Earnings Per Share, Diluted 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] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Quarterly Financial Information Disclosure [Abstract] Schedule of Selected Quarterly Financial Data Quarterly Financial Information [Table Text Block] 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] Business Combinations [Abstract] Acquisitions Business Combination Disclosure [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Restructuring and Related Activities [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] T19 Restructuring [Member] T19 Restructuring [Member] T19 Restructuring [Member] Brazil Restructuring [Member] Brazil Restructuring [Member] Brazil Restructuring [Member] Restructuring Charges 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 Payments for Restructuring Payments for Restructuring Restructuring and Related Cost, Expected Cost Remaining Restructuring and Related Cost, Expected Cost Remaining Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Line of Credit Facilities [Table Text Block] Schedule of Line of Credit Facilities [Table Text Block] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] Finite And Indefinite Lived Intangible Assets [Table] 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) Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Americas [Member] Europe, Middle east, Africa [Member] Europe, Middle east, Africa [Member] Europe, Middle east, Africa [Member] Asia and Australasia [Member] Asia and Australasia [Member] Asia and Australasia [Member] Brand [Axis] Brand [Axis] Brand [Axis] Brand [Domain] Brand [Domain] [Domain] for Brand [Axis] Avis [Member] Avis [Member] Avis [Member] Budget [Member] Budget [Member] Budget [Member] Other Brands [Member] Other Brands [Member] Other Brands [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 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, 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. Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] 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 Payment Arrangement, Expense Share-based Payment Arrangement, Expense Share-based Payment Arrangement, Expense, after Tax Share-based Payment Arrangement, Expense, after Tax Cash and Cash Equivalents, Program and Restricted Cash [Abstract] Cash and Cash Equivalents, Program and Restricted Cash [Abstract] Cash and Cash Equivalents, at Carrying Value Program Cash Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [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 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 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 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 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] 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 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 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] Other Liabilities [Member] Other Liabilities [Member] Liability [Member] Liability [Member] Other Assets [Member] Deferred Tax Asset [Domain] Assets [Member] Vehicle programs, net [Member] Vehicle programs, net [Member] Vehicle programs, net [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 Operating Lease, Liability, Noncurrent Deferred Tax Assets Operating, Liability, Noncurrent Deferred Tax Assets Operating, Liability, Noncurrent 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 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 Operating Lease, Right-of-Use Asset Deferred Tax Liability Operating lease right of use assets Deferred Tax Liability Operating lease right of use assets 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 State And Local Deferred Tax Assets State And Local Deferred tax assets state and local Leases [Text Block] Leases [Text Block] An entity that enters into a contract to obtain or provide the right to use an underlying asset for a period of time in exchange for consideration. Segment Information Segment Reporting Disclosure [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] 2019 Avis and Budget Licensees [Member] 2019 Avis and Budget Licensees [Member] 2019 Avis and Budget Licensees [Member] 2018 Avis and Budget Licensees [Member] 2018 Avis and Budget Licensees [Member] 2018 Avis and Budget Licensees [Member] Turiscar Group [Member] Turiscar Group [Member] Turiscar Group [Member] Morini S.p.A. [Member] Morini S.p.A. [Member] Morini S.p.A. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Acquisition Purchase Price Allocation Vehicles, Net Business Acquisition Purchase Price Allocation Vehicles, Net Business Acquisition Purchase Price Allocation Vehicles, Net Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross 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 Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Currency Translations and Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Cash and Cash Equivalents, Program Cash and Restricted Cash Cash and Cash Equivalents, Restricted 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] Vehicles Vehicles Policy [Policy Text Block] Vehicles [Policy Text Block] Advertising Expenses Advertising Cost [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] Equity Securities without Readily Determinable Fair Value [Policy Text Block] Equity Securities without Readily Determinable Fair Value [Policy Text Block] Self-Insurance Reserves Self Insurance Reserves Policy [Policy Text Block] Self Insurance Reserves [Policy Text Block] Share-based Compensation Share-based Payment Arrangement [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] New and Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] 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 Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan [Member] Foreign Plan [Member] Foreign Plan [Member] Equity Securities [Member] Equity Securities [Member] Debt Securities [Member] Debt Securities [Member] 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, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Percentage 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 Receivables (net of allowance for doubtful accounts of $52 and $39, respectively) Operating lease right-of-use assets Long-term operating lease liabilities Debt due to Avis Budget Rental Car Funding (AESOP) LLC—related party 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. Commitments and contingencies (Note 15) 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—63 and 61 shares, respectively Treasury Stock, Value 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] Summary of Changes to Restructuring-Related Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Equity [Abstract] Stockholders' Equity [Table] Stockholders Equity [Table] Stockholders' Equity [Table] Corporate Interest Expense [Member] Corporate Interest Expense [Member] Corporate Interest Expense [Member] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Treasury Stock, Value, Acquired, Cost Method Option Premiums Paid Option Premiums Paid Option Premiums Paid Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax 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 Open Option Contracts Written, Number of Shares Open Option Contracts Written, Number of Shares 2014 T15 Restructuring [Member] 2014 T15 Restructuring [Member] 2014 T15 Restructuring [Member] 2018 Truck Restructuring [Member] 2018 Truck Restructuring [Member] 2018 Truck Restructuring [Member] Workforce Restructuring [Member] Workforce Restructuring [Member] Workforce Restructuring [Member] [Member] T17 Restructuring [Member] T17 Restructuring [Member] T17 Restructuring [Member] 2015 Acquisition Integration [Member] 2015 Acquisition Integration [Member] 2015 Acquisition Integration [Member] 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] Segments [Axis] Balance, beginning Restructuring Reserve Restructuring expense Cash payment/utilization Balance, ending 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 Receivables due from former subsidiaries Other Receivables Avis Budget Rental Car Funding Program March 2022 [Member] Avis Budget Rental Car Funding Program March 2022 [Member] Avis Budget Rental Car Funding Program March 2022[Member] [Member] Avis Budget Rental Car Funding Program September 2024 [Member] Avis Budget Rental Car Funding Program September 2024 [Member] Avis Budget Rental Car Funding Program September 2024 [Member] Avis Budget Rental Car Funding Program March 2025 [Member] Avis Budget Rental Car Funding Program March 2025 [Member] Avis Budget Rental Car Funding Program March 2025 [Member] European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] European Rental Fleet Securitization [Member] Newly Issued European Credit Facility Newly Issued European Credit Facility Newly Issued European Credit Facility 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] Restructuring Restructuring and Related Activities Disclosure [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Adjustments for New Accounting Pronouncement [Member] Adjustments for New Accounting Pronouncement [Member] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [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] Currency Translation Adjustment, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Currency translation adjustments, net of tax of $(6), $(8) and $33, 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 $7, $0, and $0, 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 AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax Net unrealized gains (losses) on available-for-sale securities, net of tax of $0, $0, and $(1), respectively Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments, after 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), Securities, Available-for-sale, Adjustment, after 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 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 New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Gains (Losses) on Extinguishment of Debt Income Taxes Income Tax Disclosure [Text Block] Subsequent Events Subsequent Events [Text Block] Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Interest Rate Caps Sold Sold [Member] Sold [Member] Purchase [Member] Purchase [Member] Purchase [Member] Interest Rate Cap [Member] Interest Rate Cap [Member] Derivative, Notional Amount Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 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 Defined Benefit Plan, Assumptions [Table Text Block] Summary of Defined Benefit Pension Plans' Assets Fair Value Schedule of Allocation of Plan Assets [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] 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] Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] 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 Stock-Based Compensation Share-based Payment Arrangement [Text Block] Maximum [Member] Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Percentage Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Schedule of Property and Equipment, Net Property, Plant and Equipment [Table 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] Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] Interest expense related to corporate debt, net Non-operational charges related to shareholder activist activity Non-operational charges related to shareholder activist activity Non-operational charges related to shareholder activist activity include third party advisory, legal and other professional service fees and are recorded within selling, general and administrative expenses. Charges for legal matter Charges for legal matter Charges for legal matter Income before income taxes 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 Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] 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. Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Property, Plant and Equipment [Table] Software and Software Development Costs [Member] Software and Software Development Costs [Member] Property, Plant and Equipment [Line Items] Other Liabilities, Noncurrent Depreciation and amortization expense Depreciation, Nonproduction Amortization expense relating to capitalized computer software Capitalized Computer Software, Amortization Debt Instrument Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Uncommitted Credit Facility [Member] Bank Overdrafts [Member] Bank Overdrafts [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] 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] 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] Deferred income taxes Federal net operating loss carryforwards net of valuation allowances Operating Loss Carryforwards Foreign net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Foreign Deferred Tax Liabilities, Undistributed Foreign Earnings Deferred Tax Liabilities, Undistributed Foreign Earnings Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Property leases [Member] Property leases [Member] Property leases [Member] Vehicle leases [Member] Vehicle leases [Member] Vehicle leases [Member] Adjustments related to New Accounting Pronouncements [Axis] Adjustments related to New Accounting Pronouncements [Axis] Adjustments related to New Accounting Pronouncements [Axis] Accounting Guidance [Domain] Accounting Guidance [Domain] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] Greece [Member] Greece [Member] Greece [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Advertising Expense Advertising Expense Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Other related Revenue Other related Revenue Other related revenue including royalty revenue and customer loyalty revenue. Equity Securities without Readily Determinable Fair Value, Amount Equity Securities without Readily Determinable Fair Value, Amount New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Currency translation adjustment Net carrying value of software developed Capitalized Computer Software, Net Vehicle interest income Vehicle Interest Income Vehicle Interest Income Retained risks of liability to third parties Retained Risks Of Liabilities Retained Risks Of Liabilities Workers compensation liabilities Deferred Compensation Liability, Current and Noncurrent Deferred Revenue, Revenue Recognized Operating Costs and Expenses Costs and Expenses Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income Tax Expense (Benefit) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Total Assets Exclusive Of Assets Under Vehicle Programs Assets Accounts Payable and Accrued Liabilities, Current Liabilities, Current Total Liabilities Exclusive Of Liabilities Under Vehicle Programs Income (Loss) from Equity Method Investments Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Proceeds from Sale of Equity Method Investments Proceeds from Sale of Equity Method Investments Gain (Loss) on Sale of Equity Investments Gain (Loss) on Sale of Equity Investments Gain on Sale of Investments Gain on Sale of Investments Payments to Acquire Equity Method Investments Payments to Acquire Equity Method Investments Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Allowance for Doubtful Accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Tax Valuation Allowance Valuation Allowance Of Tax Assets [Member] Valuation allowance of Tax assets [Member] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Balance at Beginning of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Expensed SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Other Adjustments SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Balance at End of Period 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] Deferred Income Tax Expense (Benefit) Basic Net income (loss) (in dollars per share) Diluted Net income (loss) (in dollars per share) Diluted weighted average shares outstanding Long-term Debt [Text Block] Long-term Debt [Text Block] Beginning Balance 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 Statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Ending Balance 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 of Intangible Assets (Excluding Goodwill) Impairment of Intangible Assets (Excluding Goodwill) Equity in earnings (loss) of subsidiaries Income (Loss) from Equity Method Investments Total comprehensive income Payments for (Proceeds from) Other Investing Activities 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 Employee Benefit Plans [Abstract] Retirement Benefits, Description [Abstract] Benefit obligation at end of prior year Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Actuarial 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) Benefit obligation at end of current year Fair value of assets at end of prior year 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) 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, 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 Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Vehicle Programs [Member] Interest rate on capital leases Capital Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate EMEA [Member] EMEA [Member] Operating Lease, Lease Income Operating Lease, Lease Income Lease, Cost [Abstract] Lease, Cost [Abstract] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating Lease, Cost Operating Lease, Cost Variable Lease, Cost Variable Lease, Cost Sublease Income Sublease Income Lease, Cost Lease, Cost Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Interest Expense Finance Lease, Interest Expense Vehicle Lease Charges Assets and Liabilities, Lessee [Abstract] Assets and Liabilities, Lessee [Abstract] Supplemental balance sheet information related to leases [Table] Supplemental balance sheet information related to leases [Table] Supplemental balance sheet information related to leases [Table] Supplemental balance sheet information related to leases [Line Items] Supplemental balance sheet information related to leases [Line Items] [Line Items] for Supplemental balance sheet information related to leases [Table] Operating Lease, Residual Value of Leased Asset Operating Lease, Residual Value of Leased Asset Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Liability, Current Operating Lease, Liability Operating Lease, Liability Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Finance Lease, Right-of-Use Asset, Gross Finance Lease, Right-of-Use Asset, Gross Gross amount of lessee's right to use underlying asset under finance lease. Finance Lease, Right-of-Use Asset, Accumulated Amortization Finance Lease, Right-of-Use Asset, Accumulated Amortization Amount of accumulated amortization attributable to right-of-use asset from finance lease. Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset Finance Lease, Liability, Current Finance Lease, Liability, Current Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent Finance Lease, Liability Finance Lease, Liability Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Cash Flow Information [Abstract] Cash Flow Information [Abstract] Cash Flow Information [Abstract] Supplemental cash flow information related to leases [Table] Supplemental cash flow information related to leases [Table] Supplemental cash flow information related to leases [Table] Supplemental cash flow information related to leases [Line Items] Supplemental cash flow information related to leases [Line Items] [Line Items] for Supplemental cash flow information related to leases [Table] Operating Lease, Payments Operating Lease, Payments Finance Lease, Interest Payment on Liability Finance Lease, Interest Payment on Liability Finance Lease, Principal Payments Finance Lease, Principal Payments Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Maturities of Lease Liabilities [Abstract] Maturities of Lease Liabilities [Abstract] Maturities of Lease Liabilities [Abstract] Maturities of lease liabilities [Table] Maturities of lease liabilities [Table] Maturities of lease liabilities [Table] Maturities of lease liabilities [Line Items] Maturities of lease liabilities [Line Items] [Line Items] for Maturities of lease liabilities [Table] Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months Finance Lease, Liability, Payments, Due in Next Rolling Twelve Months Finance Lease, Liability, Payments, Due in Next Rolling Twelve Months Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Two Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Two Finance Lease, Liability, Payments, Due in Rolling Year Two Finance Lease, Liability, Payments, Due in Rolling Year Two Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Three Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Three Finance Lease, Liability, Payments, Due in Rolling Year Three Finance Lease, Liability, Payments, Due in Rolling Year Three Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Four Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Four Finance Lease, Liability, Payments, Due in Rolling Year Four Finance Lease, Liability, Payments, Due in Rolling Year Four Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Five Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Five Finance Lease, Liability, Payments, Due in Rolling Year Five Finance Lease, Liability, Payments, Due in Rolling Year Five Lessee, Operating Lease, Liability, Payments, Due after Rolling Year Five Lessee, Operating Lease, Liability, Payments, Due after Rolling Year Five Finance Lease, Liability, Payments, Due in Rolling after Year Five Finance Lease, Liability, Payments, Due in Rolling after Year Five Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due Finance Lease, Liability, Payment, Due Finance Lease, Liability, Payment, Due Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount 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] 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 Liabilities accrued for asset retirement obligations Asset Retirement Obligation 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 Valuation Allowance [Table] Valuation Allowance [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Valuation Allowance [Line Items] Valuation Allowance [Line Items] 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 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 Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Cash and Cash Equivalents, Program Cash and Restricted Cash [Table Text Block] Cash and Cash Equivalents, Program Cash and Restricted Cash [Table Text Block] Cash and Cash Equivalents, Program Cash and Restricted Cash [Table Text Block] 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] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Available-for-sale securities: Debt Securities, Available-for-sale [Abstract] Cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Reclassification of cash flow hedges to earnings, net of tax of $1, $1, and $(2), 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 $6, $6, and $(4), respectively Reclassification of pension and post-retirement benefits to earnings, net of tax of $(2), $(2), and $(3), respectively Other comprehensive income (loss) Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Expected return on plan assets Net periodic benefit cost Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Cash and Cash Equivalents [Abstract] Restricted Cash and Cash Equivalents Selected Quarterly Financial Data Quarterly Financial Information [Text Block]