Document and entity information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity Central Index Key Entity Registrant Name Entity Filer Category Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Public Float Entity Voluntary Filers Entity Well-known Seasoned Issuer Consolidated Statements Of Operations [Abstract] Revenues Revenues Revenues Aggregate revenue during the period for vehicle rental services (before deducting allowances and discounts) which are not otherwise defined in the taxonomy. Vehicle rental Revenues from the Sales of services and rentals of other products, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. Other Revenue Other Other Sales Revenue, Services, Net Net revenue loss Net revenues Net revenues Revenues Expenses Expenses Operating Operating Costs and Expenses, Total Cost of Services, Depreciation Vehicle depreciation and lease charges, net Vehicle depreciation and lease charges, net Selling, general and administrative Selling, General and Administrative Expense, Total The cost of borrowed funds on vehicle debt accounted for as interest that was charged against earnings during the period. Vehicle interest, net The expense recognized in the current period that allocates the cost of non-revenue generating tangible assets over their useful lives. Non-vehicle related depreciation and amortization Non-vehicle related depreciation and amortization Less: Non-vehicle related depreciation and amortization Interest expense related to corporate debt, net Interest expense related to corporate debt, net Interest expense Interest expense Interest expense (income) Interest Expense, Total Interest expense related to corporate debt, net Gains (Losses) on Extinguishment of Debt Early extinguishment of debt Gains (Losses) on Extinguishment of Debt, Total Early extinguishment of debt Restructuring Settlement And Impairment Provisions Restructuring charges Restructuring charges Restructuring charges Costs incurred and charged to expense, associated with acquisition of businesses. Transaction-related costs Asset Impairment Charges Impairment Asset Impairment Charges, Total Impairment Costs and Expenses Total expenses Income before income taxes and equity in earnings of subsidiaries Income (loss) before income taxes and equity in earnings of subsidiaries Income (loss) before income taxes Income (loss) before income taxes Provision (benefit) for income taxes Provision for (benefit) from income taxes Provision for (benefit from) income taxes Provision for (benefit from) income taxes Net income (loss) Net loss Net income (loss) for basic EPS Net income (loss) Net income (loss) Earnings Per Share [Abstract] Earnings (loss) per share Basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic, Total Basic Diluted (in dollars per share) Diluted (in dollars per share) Earnings Per Share, Diluted, Total Diluted Consolidated Balance Sheets [Abstract] Consolidating Condensed Balance Sheets [Abstract] Assets: Assets [Abstract] Assets: Current assets Current assets: Cash and cash equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value, Total Receivables, net Receivables Receivables, Net, Current, Total Receivables (net of allowance for doubtful accounts of $21 and $16) Deferred Tax Assets (Liabilities), Net, Current Deferred income taxes Current net deferred income tax assets Other current assets Other Total Other current assets Total current assets Total current assets Property and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Deferred Tax Assets, Net, Noncurrent Deferred income taxes Non-current net deferred income tax assets Deferred income taxes Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Indefinite lived carrying value Goodwill, Total Goodwill Other intangibles, net Intangible Assets, Net (Excluding Goodwill), Total Other non-current assets Other Non-Current Assets Total 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. Total assets exclusive of assets under vehicle programs Total assets exclusive of assets under vehicle programs Assets under vehicle program Assets Under Vehicle Programs [Abstract] Assets under vehicle programs: Assets under vehicle programs: 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. Program cash Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy. Vehicles, net Vehicles, net 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. Receivables from vehicle manufacturers and other 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. Investment In Related Party Investment in Avis Budget Rental Car Funding (AESOP) LLC-related party Investment in Avis Budget Rental Car Assets Under Vehicle Programs Assets Under Vehicle Programs Total Assets under vehicle programs Total Assets under vehicle programs Assets under vehicle programs Assets Total assets Liabilities and stockholders' equity: Liabilities and stockholders' equity: Current liabilities: Current liabilities: Accounts Payable And Accrued Liabilities Current Accounts payable and other current liabilities Accounts payable and other current liabilities Short-term debt and current portion of long-term debt Short-term debt and current portion of long-term debt Total current liabilities Total current liabilities Long-term debt Long-term debt Other non-current liabilities Other Total Other non-current liabilities 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. Total liabilities exclusive of liabilities under vehicle programs Total liabilities exclusive of liabilities under vehicle programs Liabilities Under Vehicle Program [Abstract] Liabilities Under Vehicle Program [Abstract] Liabilities under vehicle programs: Carrying value as of the balance sheet date of debt related to rental vehicles due to third party lenders. Debt Carrying amount as of the balance sheet date of obligations due to Avis Budget Rental Car Funding (AESOP) LLC- a related party, for rental vehicles. Debt Due To Related Party Debt due to Avis Budget Rental Car Funding (AESOP) LLC-related party 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. Deferred income taxes Deferred income taxes 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). Other Liabilities Under Vehicle Programs Other Other Liabilities Under Vehicle Programs Liabilities Under Vehicle Programs Total liabilities under vehicle programs Total Liabilities under vehicle programs Commitments and contingencies (Note 11) Commitments and contingencies (Note 17) Stockholders' equity: Preferred stock, $.01 par value-authorized 10 million shares; none issued and outstanding Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred stock, $.01 par value-authorized 10 million shares; none issued and outstanding Common stock, $.01 par value-authorized 250 million shares; issued 137,015,293 and 136,982,068 shares Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock, $.01 par value-authorized 250 million shares; issued 137,028,464 and 136,982,068 shares Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Ending Balance Accumulated Other Comprehensive Income (Loss), Beginning Balance Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive income Treasury Stock, Value Treasury stock, at cost-31,551,170 and 33,247,139 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock, at cost-31,564,090 and 33,247,139 shares Total stockholders' equity Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Receivables, allowance for doubtful accounts Preferred stock, par value Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred Stock, Shares Issued, Total Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Common Stock, Shares, Issued, Total Treasury stock, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Consolidated Statements Of Cash Flows [Abstract] CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] Operating Activities Adjustments to reconcile net income (loss) to net cash provided by operating activities: 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. Vehicle depreciation Vehicle depreciation Vehicle depreciation Gain on sales of vehicles, net including the cost of the vehicle disposition, for vehicles used in rental activities. Gain (Loss) On Sale Of Vehicles (Gain) loss on sale of vehicles, net Deferred Income Tax Expense (Benefit) Deferred income tax benefit Deferred income taxes Non-cash charge on unfavorable license rights reacquired with the acquisition with subsidiaries. Non-Cash Charge On Unfavorable License Rights Reacquired With The Acquisition With Subsidiaries Non-cash charge related to the reacquired unfavorable license rights Non-cash charge on unfavorable license rights reacquired with the acquisition of Avis Europe plc 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 Receivables Increase (Decrease) in Receivables, Total Income taxes and deferred income taxes Income taxes Decrease in stockholders' equity due to the reallocation of certain deferred taxes Income taxes Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Reimbursement from Realogy and Wyndham for taxes Paid. Reimbursement from Realogy and Wyndham for taxes paid Reimbursement from Wyndham for tax attributes. Reimbursement From Realogy Wyndham For Tax Attributes Reimbursement From Realogy And Wyndham for tax attributes Reimbursement from Realogy and Wyndham for tax attributes Reimbursement from Wyndham for tax attributes Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net Other, net Other, net Net cash provided by operating activities Net cash provided by operating activities Net cash provided by (used in) operating activities Investing activities Investing Activities 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. Property and equipment additions Property and equipment additions Proceeds received on asset sales Proceeds from Sale of Productive Assets, Total Net assets acquired net of cash acquired and acquisition related payments Net Assets Acquired Net Of Cash Acquired And Acquisition Related Payments Net assets acquired (net of cash acquired) Net assets acquired (net of cash acquired) and acquisition-related payments Net assets acquired (net of cash acquired) and acquisition-related payments Net assets acquired (net of cash acquired) and acquisition-related payments Net assets acquired (net of cash acquired) and acquisition-related payments Payments for (Proceeds from) Other Investing Activities Other, net Other, net The net cash inflow (outflow) from investing activity exclusive of vehicle programs . Net cash used in investing activities exclusive of vehicle programs Net cash (used in) investing activities exclusive of vehicle programs Vehicle Programs Investing Activities [Abstract]. Vehicle Programs Investing Activities [Abstract] Vehicle programs: The net cash inflow (outflow) for the net change associated with funds used for vehicle programs and are associated with underlying transactions that are classified as investing activities. Decrease Increase In Program Cash Decrease (increase) in program cash Decrease in program cash Decrease (increase) in program cash The cash outflow for acquisition of vehicles used in revenue generation activities. Investment in vehicles Investment in vehicles The cash inflow from the sale of vehicles used in revenue generation activities. Proceeds received on disposition of vehicles The cash outflow to acquire debt securities from a related party classified as available-for-sale securities, because they are not classified as either held-to-maturity securities or trading securities. Payments To Acquire Available For Sale Securities Debt Related Party Investment in debt securities of Avis Budget Rental Car Funding (AESOP LLC)-related party Investment in debt securities of AESOP-related party Investment in debt securities of Avis Budget Rental Car Funding (AESOP) LLC - related party The cash inflow associated with the sale of related party debt securities classified as available-for-sale securities. Proceeds From Sale Of Available For Sale Securities Debt Related Party Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP) LLC - related party Proceeds received on disposition of vehicles Investment in debt securities of AESOP-related party Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP) LLC - related party Proceeds from debt securities of Avis Budget Rental Car Funding (AESOP LLC)-related party The net cash outflow (inflow) from other investing activities related to vehicle programs. This element is used when there is not a more specific and appropriate element in the taxonomy. Vehicle Programs Other, Net Other, net Other, net The net cash inflow (outflow) from investing activities of vehicle programs. Net Cash Used In Investing Activities Of Vehicle Programs Net cash used in investing activities of vehicle programs Net cash used in investing activities of vehicle programs Net cash used in investing activities of vehicle programs Net cash provided by (used in) Investing activities Net cash provided by (used in) investing activities Financing activities Financing Activities The cash inflow from a borrowing having initial term of repayment within 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. Proceeds From Borrowings. Proceeds from borrowings Proceeds from long-term borrowings The cash outflow for a borrowing having initial term of repayment within 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. Principal payments on borrowings Principal payments on long-term borrowings Principal payments on borrowings Principal payments on borrowings Proceeds from (Repayments of) Short-term Debt Net change in short-term borrowings Proceeds from (Repayments of) Short-term Debt, Total Proceeds from Issuance of Warrants Proceeds from issuance of warrants Proceeds from warrant issuance Payments for Repurchase of Other Equity Purchase of call options Payments of Financing Costs Debt financing fees Debt financing fees Payments of Financing Costs, Total Other, net Other, net Other, net Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities exclusive of vehicle programs Vehicle Programs Financing Activities [Abstract]. Vehicle Programs Financing Activities [Abstract] Vehicle programs: The net cash inflow (outflow) in aggregate debt due to repayments and proceeds from additional borrowings related to vehicle programs Proceeds From Borrowings From Financing Activities Within Vehicle Programs Proceeds from borrowings The net cash outflow on repayment of principal on borrowings used for vehicle programs Principal Payments On Borrowings From Financing Activities Within Vehicle Programs Principal payments on borrowings Principal payments on borrowings The net cash inflow (outflow) for borrowing related to vehicle programs, having initial term of repayment within one year or the normal operating cycle, if longer. Net change in short-term borrowings Net change in short-term borrowings Net change in short-term borrowing Net change in short-term borrowings 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. Vehicle Programs Payments Of Financing Costs Debt financing fees Debt financing fees Debt financing fees Net Cash Provided By Used In Vehicle Programs Net Cash Provided By Used In Vehicle Programs Net cash provided by financing activities of vehicle programs Net cash provided by (used in) financing activities in the vehicle programs Net cash provided by (used in) financing activities of vehicle programs Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of changes in exchange rates on cash and cash equivalents Effect of changes in exchange rates on cash and cash equivalents Effect of changes in exchange rates on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental Disclosure Interest paid Interest Paid, Total Interest payments Income Taxes Paid, Net Income Taxes Paid, Net, Total Income tax payments, net Consolidated Statements Of Stockholders' Equity [Abstract] Shares, Issued Balance (in shares) Balance (in shares) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive income: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Currency translation adjustment Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Net Unrealized Gains (Losses) on Cash Flow Hedges Beginning Balance Net Unrealized Gains (Losses) on Cash Flow Hedges, Period change Unrealized gains on cash flow hedges, net of tax Unrealized gains on available-for-sale securities Unrealized gains on available-for-sale securities, net of tax of $[0] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Total Reclassification of unrealized losses on cash flow hedges to net loss, net of tax Reclassification of unrealized losses on interest rate swap to extinguishment of debt, net of tax Reclassification of unrealized losses on cash flow hedges, net of tax benefit Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Net of Tax Minimum Pension Liability Adjustment, Ending Balance Minimum Pension Liability Adjustment, Beginning Balance Pension liability adjustment, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Total comprehensive income Adjustments to Additional Paid in Capital, Warrant Issued Issuance of warrants Adjustment to Additional paid in capital related to the purchase of call options, net of tax Purchase Call Options Purchase of call options, net of tax of $36 Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Net activity related to restricted stock units Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Net activity related to restricted stock units (in shares) Stock Issued During Period, Value, Employee Stock Purchase Plan Employee stock purchase plan fair value Activity related to employee stock purchase plan Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Vested/exercised (in number of options) Vested/Exercised, Number of Options Vested/Exercised, Number of Options Exercise of stock options (in shares) Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Realization of tax benefits for stock-based awards Adjustment to additional paid in capital related to Realogy and Wyndham reallocation of deferred taxes adjustment. Reallocation Of Deferred Taxes Adjustment Reallocation of deferred taxes Adjustment to additional paid in capital related to the Post-separation dividend adjustment. Post Separation Dividend Adjustment Post-separation dividend adjustment Stockholders' Equity, Other Other Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Unrealized gains on cash flow hedges, tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Unrealized gains on available-for-sale securities, tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Total Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax Reclassification of unrealized losses on cash flow hedges, tax benefit Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Tax Pension liability adjustment, tax Pension liability adjustment, tax benefit Pension Liability Adjustment, Tax Benefit Pension liability adjustment, tax benefit Tax effect of purchase of call options. Purchase Call Options, Tax Purchase of call options, tax Basis Of Presentation [Abstract] Business Description and Basis of Presentation [Text Block] Basis Of Presentation Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Earnings Per Share [Text Block] Earnings Per Share Restructuring Charges [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring Charges Licensing Activities [Abstract] Licensing Activities [Abstract] Licensing Activities [Text Block] Licensing Activities [Text Block] Licensing Activities Acquisition [Abstract] Business Combination Disclosure [Text Block] Acquisition Intangible Assets [Abstract] Intangible Assets [Text Block] Intangible Assets Vehicle Rental Activities [Abstract] Vehicle Rental Activities [Abstract] Information related to the Company's vehicle rental activities. Vehicle Rental Activities [Text Block] Vehicle Rental Activities Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Income Taxes Other Current Assets [Abstract] Other current assets disclosure [Text Block] Other Current Assets Disclosure [Text Block] Other Current Assets Property And Equipment, Net [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property And Equipment, Net Other Non-Current Assets [Abstract] Other Assets Disclosure [Text Block] Other Non-Current Assets