Accounting Changes And Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable And Other Accrued Liabilities Current Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable (net of allowances for doubtful accounts of $13 and $13) Accounts receivable, net Accrued expenses and other current liabilities. Accrued Expenses And Other Current Liabilities Disclosure [Text Block] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities [Line Items] Accrued Expenses And Other Current Liabilities [Line Items] Accrued Expenses And Other Current Liabilities [Line Items] Accrued Expenses And Other Current Liabilities [Table] Accrued Expenses And Other Current Liabilities [Table] Accrued Expenses And Other Current Liabilities [Table] Accrued Income Taxes Current Income tax payable Accrued Liabilities For Commissions Expense And Taxes Accrued commissions and incentives Balances of accrued commission and incentives Accrued sponsor monitoring fees. Accrued Sponsor Monitoring Fees Accrued sponsor monitoring fee Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Accumulated depreciation Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss [Member] Acquired Intangible Assets [Member] Acquired Intangible Assets [Member] Acquired Intangible Assets [Member] Additional Paid In Capital Common Stock Additional paid in capital Additional Paid In Capital [Member] Additional Paid in Capital [Member] Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities: Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments To Additional Paid In Capital Other Contribution from a parent company Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Equity compensation expense Allowance For Doubtful Accounts Receivable Current Allowances for doubtful accounts receivable Amendment Flag Amendment Flag Amortization Of Customer Loyalty Payments Amortization Of Customer Loyalty Payments Amortization of customer loyalty payments Amortization Of Debt Discount Premium Amortization of discount on term loans Amortization Of Financing Costs Amortization of debt finance costs Amortization Of Intangible Assets Amortization expense Amount of interest expense accreted into the outstanding loan. Amount Of Interest Expense Accreted In To Outstanding Loan Amount of interest expense accreted into the outstanding loan Assets Total assets Assets [Abstract] Assets Assets Current Total current assets Total current assets Assets Current [Abstract] Current assets: Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Basis Of Accounting Basis of Presentation Basis Of Presentation [Line Items] Basis Of Presentation [Line Items] Basis Of Presentation [Line Items] Basis Of Presentation [Table] Basis Of Presentation [Table] Basis Of Presentation [Table] Business Combination Contingent Consideration Potential Cash Payment Business Combination Contingent Consideration Potential Cash Payment Deferred consideration to be paid Capitalization Of Paid In Kind Interest Capitalization Of Paid In Kind Interest Capitalized payment-in-kind interest Capital Lease Obligations Capital leases Capital Lease Obligations Incurred Capital lease obligations incurred Non-cash capital lease additions Capital Leases Balance Sheet Assets By Major Class Net Net capital lease assets Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net (decrease) increase in cash and cash equivalents Net (decrease) increase in cash and cash equivalents Cash Collateral For Borrowed Securities Cash provided as collateral Cash collateralized letter of credit facility. Cash Collateralized Letter Of Credit Facility Cash collateralized letter of credit facility Cash Collateral Letter Of Credit Facility Due June Two Thousand Eighteen [Member] Cash Collateral Letter Of Credit Facility Due June Two Thousand Eighteen [Member] Cash Collateral Letter of Credit Facility Due June 2018 [Member] Cash Interest Rate Cash Interest Rate Cash interest portion Cash provided as collateral Cash Provided As Collateral Cash provided as collateral Commitments And Contingencies Commitments and contingencies (Note 11) Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock [Member] Common Shares [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common shares ($1.00 par value; 12,000 shares authorized; 12,000 shares issued and outstanding) Comprehensive Income Net Of Tax Comprehensive income (loss) attributable to the Company Comprehensive income (loss) attributable to the Company Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Comprehensive income attributable to non-controlling interest in subsidiaries Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Comprehensive (loss) income, net of tax Comprehensive income (loss) Comprehensive income (loss) Computer Equipment [Member] Computer Equipment [Member] Computer Software Intangible Asset [Member] Capitalized Software [Member] Condensed Balance Sheet Statements Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Cash Flow Statements Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Statements Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements [Text Block] Guarantor and Non-Guarantor Consolidating Condensed Financial Statements Condensed Income Statements Captions [Line Items] Condensed Income Statements, Captions [Line Items] Condensed Income Statement [Table] Condensed Income Statement [Table] Consolidation Eliminations [Member] Eliminations [Member] Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent Total consideration Construction In Progress [Member] Construction in Progress [Member] Cost Of Revenue Cost of revenue Costs And Expenses Operating expenses Total costs and expenses Total costs and expenses Costs And Expenses [Abstract] Costs and expenses Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Customer Advances And Deposits Current Customer prepayments Customer Loyalty Payments [Member] Customer Loyalty Payments [Member] Customer Loyalty Payments [Member] Customer loyalty program payments. Customer Loyalty Program Payments Customer loyalty payments in cash Customer loyalty payments Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Discount On Issuance Of Debt Debt Discount On Issuance Of Debt Debt discount on term loans Debt Exchanged For Parent Equity Debt Exchanged For Parent Equity Debt exchanged for shares Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Basis Spread On Variable Rate 1 Variable Interest rate percentage Debt Instrument Collateral Terms of cash collateral Debt Instrument Description Of Variable Rate Basis Variable Interest rate description Debt Instrument Exchange Price Debt Instrument Exchange Price Debt conversion price Debt Instrument Face Amount Aggregate principal amount Debt Instrument Interest Rate Stated Percentage Interest rate percentage Minimum floor for LIBOR on which additional mark-up will be added to calculate/arrive at the interest rate. Debt Instrument Libor Floor Rate LIBOR floor rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Maturity Debt Instrument Maturity Date Description Change in maturity date, description Debt Instrument Maturity Date Year Debt Instrument Maturity Date Year Debt maturity year Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instruments [Abstract] Debt Instruments [Abstract] Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unused Borrowing Capacity Amount Remaining capacity under revolving credit facility Debt Refinance Announcement Date Debt Refinance Announcement Date Announcement of proposed refinancing of its capital structure Debt Repayment Fees Debt Repayment Fees Repayment fees to be accrued in future Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Finance Costs Noncurrent Net Deferred financing costs Deferred Income Tax Expense Benefit Deferred income taxes Deferred Revenue Current Deferred revenue Deferred Tax Assets Net Current Deferred income taxes Deferred Tax Assets Net Noncurrent Deferred income tax Deferred Tax Liabilities Current Deferred income taxes Deferred Tax Liabilities Noncurrent Deferred income taxes Defined Benefit Plan Assets For Plan Benefits Noncurrent Pension assets Depreciation Depreciation expense Depreciation Depletion And Amortization Depreciation and amortization Derivative Asset Fair Value Gross Liability Derivative contracts Derivative assets carrying value. Derivative Assets Carrying Value Derivative assets, Carrying Amount Derivative Assets Noncurrent Derivative assets Derivative By Nature [Axis] Derivative, by Nature [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Fair Value Of Derivative Asset Derivative assets, Fair Value Fair Value Asset Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral Net asset position related to derivative financial instruments Derivative Fair Value Of Derivative Liability Derivative liabilities, Fair Value Fair Value (Liability) Derivative Fair Value Of Derivative Net Net derivative asset (liability) as of June 30 Net derivative asset as of January 1 Derivative financial instruments gains losses included in net loss. Derivative Financial Instruments Gains Losses Included In Net Loss Total gain (loss) for the period included in net loss Derivative Gain Loss On Derivative Net Derivative Instruments, Amount of Gain (Loss) Recorded Net Income (Loss) Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments And Hedging Activities Disclosure [Text Block] Financial Instruments Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net Derivative Instruments, Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) Derivative Instruments Loss Recognized In Other Comprehensive Income Effective Portion Total loss for period accounted through other comprehensive income (loss) Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value Derivative assets Derivative liability carrying value. Derivative Liability Carrying Value Derivative liabilities, Carrying Amount Derivative Name [Domain] Derivative, Name [Domain] Derivative Notional Amount Derivative contracts, notional amounts Derivative settlement amount. Derivative Settlement Amount Payments to settle foreign currency derivative contracts Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Designated As Hedging Instrument [Member] Derivatives Designated as Hedging Instruments [Member] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Equity-Based Compensation Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Summary of Company's RSUs and Stock Options Document and Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Dollar Denominated Floating Rate Notes Maturing On March Two Thousand Sixteen [Member] Dollar Denominated Floating Rate Notes Maturing On March Two Thousand Sixteen [Member] Dollar Denominated Floating Rate Notes [Member] Dollar denominated floating rate notes. Dollar Denominated Floating Rate Notes [Member] Dollar Denominated Floating Rate Notes [Member] Due To Related Parties Current Balance payable Effect Of Exchange Rate On Cash And Cash Equivalents Effect of changes in exchange rate on cash and cash equivalents Effect of changes in exchange rates on cash and cash equivalents Dollar denominated notes. Eleven Point Eight Seven Five Percent Dollar Denominated Notes [Member] Dollar Denominated Notes [Member] Employee Related Liabilities Current Accrued payroll and related Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Future equity-based compensation expense Employee Stock Option [Member] Options [Member] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Equity in losses earnings of subsidiaries. Equity In Losses Earnings Of Subsidiaries Equity in earnings (losses) of subsidiaries Equity in losses (earnings) of subsidiaries Equity in other comprehensive loss income of subsidiaries. Equity In Other Comprehensive Loss Income Of Subsidiaries Equity in other comprehensive (loss) income of subsidiaries Equity [Line Items] Equity [Line Items] Equity [Line Items] Equity Method Investment Ownership Percentage Equity investments Percentage of equity investments Equity Method Investment Quoted Market Value Fair market value of investment in Orbitz Worldwide Fair value of investment Equity Method Investment Realized Gain Loss On Disposal Gain on sale of shares of Orbitz Worldwide Gain recognized on shares sold Gain on sale of shares of Orbitz Worldwide Equity Method Investments Investment in Orbitz Worldwide, Carrying Amount Carrying value of investment Investment in Orbitz Worldwide Equity Method Investments And Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments Disclosure [Text Block] Orbitz Worldwide Equity Method Investments [Text Block] Summary Results of Operations for Orbitz Worldwide Equity Method Investment Summarized Financial Information Net Income Loss Net income Equity [Table] Equity [Table] Equity [Table] Exchange Of Second Priority Secured Notes For Tranche Loans Exchange Of Second Priority Secured Notes For Tranche Loans Exchange of Senior Priority Secured Notes for Tranche 2 Loans Exchange of Senior Notes for new Senior Notes Exchange Of Senior Notes For New Senior Notes Exchange of Senior Notes due 2014 and 2016 for new Senior Notes due 2016 Exchange Of Senior Notes For Parent Company Equity Exchange Of Senior Notes For Parent Company Equity Non-cash exchange of senior notes for equity of a parent company (see Note 9) Exchange Of Senior Subordinated Notes For Parent Company Equity Exchange Of Senior Subordinated Notes For Parent Company Equity Non-cash exchange of senior subordinated notes for equity of a parent company (see Note 9) Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Recovery rate applied for the credit default swap adjustment. Fair Value Input Recovery Percentage Credit default recovery rate percentage Fair Value Inputs Entity Credit Risk Credit risk fair value adjustments Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Inputs Probability Of Default Probability of default percentage Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Of Financial Instruments [Line Items] Fair Value Of Financial Instruments [Line Items] Fair Value Of Financial Instruments [Line Items] Fair Value Of Financial Instruments [Table] Fair Value Of Financial Instruments [Table] Fair Value Of Financial Instruments [Table] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Finite Lived Intangible Assets Accumulated Amortization Accumulated amortization, Ending Balance Accumulated amortization, Beginning Balance Finite lived intangible assets accumulated amortization addition. Finite Lived Intangible Assets Accumulated Amortization Addition Accumulated amortization, Additions Finite Lived Intangible Assets Accumulated Amortization Retirements Finite Lived Intangible Assets Accumulated Amortization Retirements Accumulated amortization, Retirements Finite Lived Intangible Assets Accumulated Amortization Translation Adjustment Finite Lived Intangible Assets Accumulated Amortization Translation Adjustment Accumulated amortization, Foreign Exchange Finite lived intangible assets addition. Finite Lived Intangible Assets Addition Total other intangible assets, Additions Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Foreign Exchange Net Finite Lived Intangible Assets Foreign Exchange Net Other intangible assets, net, Foreign Exchange Finite Lived Intangible Assets Gross Total other intangible assets, Ending Balance Total other intangible assets, Beginning Balance Finite Lived Intangible Assets Gross Retirements Finite Lived Intangible Assets Gross Retirements Total other intangible assets, Retirements