Document and Entity Information [Abstract] Document and entity information. Statement, Equity Components [Axis] Equity Component [Domain] Revenue Sales Revenue, Services, Net Total revenue Revenues, Total Costs and expenses: Costs and Expenses [Abstract] Cost of revenue (exclusive of amortization) (1) Cost of Revenue Selling and marketing (2) Selling and Marketing Expense Technology and content (2) Technology and Content Expense Technology and content expense includes primarily costs of employees and contractors engaged in the design, development, testing and maintenance of our website. General and administrative (2) General and Administrative Expense Depreciation Depreciation of property and equipment, including amortization of internal-use software and website development Depreciation (1) Depreciation Amortization of intangible assets Amortization of intangible assets Amortization of Intangible Assets Total costs and expenses Costs and Expenses, Total Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest (expense) income, net Interest Income (Expense), Net Other expense, net Total other expense, net Nonoperating Income (Expense), Total Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to TripAdvisor, Inc. Net income attributable to TripAdvisor, Inc. Net income attributable to TripAdvisor Net Income (Loss) Attributable to Parent Earnings Per Share attributable to TripAdvisor, Inc.: Earnings Per Share [Abstract] Basic Basic EPS Earnings Per Share, Basic Diluted Diluted EPS Earnings Per Share, Diluted Weighted Average Common Shares Outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Weighted average shares used to compute Basic EPS Weighted Average Number of Shares Outstanding, Basic Diluted Weighted average shares used to compute Diluted EPS Weighted Average Number of Shares Outstanding, Diluted Comprehensive income attributable to TripAdvisor, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowance of $2,830 and $2,818 at March 31, 2013 and December 31, 2012, respectively Accounts Receivable, Net, Current Net of allowance for receivable Allowance for Doubtful Accounts Receivable, Current Receivable from Expedia, net (note 11) Related Party Transaction, Due from (to) Related Party, Current Deferred income taxes, net Deferred Tax Assets, Net, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current, Total Property and equipment, net Property, Plant and Equipment, Net Other long-term assets Other Assets, Noncurrent Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill TOTAL ASSETS Assets, Total LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Deferred revenue Deferred Revenue, Current Credit facility borrowings (note 5) Revolving Credit Facility borrowings Line of Credit Facility, Amount Outstanding Borrowings, current (note 5) Other Short-term Borrowings Taxes payable Accrued Income Taxes, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current, Total Deferred income taxes, net Deferred Tax Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Borrowings, net of current portion (note 5) Total Long-Term Borrowings Long-term Debt, Excluding Current Maturities Total Liabilities Liabilities, Total Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock $ .001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0 Preferred Stock, Value, Issued Preferred stock, par value Preferred Common Stock Par value per share Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Common Stock Shares Authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value Common Stock, Value, Issued 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 Common stock, shares outstanding Common Stock, Shares, Outstanding Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Common stock Common Stock [Member] Common Stock [Member] Class B Common Stock Class B common stock [Member] Common Class B [Member] Statement [Line Items] Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Total accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent, Total TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity, Total Beginning balance, shares Ending balance, shares Balance Additional paid-in capital Additional paid-in capital [Member] Retained earnings Retained earnings [Member] Accumulated other comprehensive (loss) income Accumulated other comprehensive income (loss) [Member] Tax benefits on equity awards Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Stock-based compensation Stock-based compensation Share-based Compensation Amortization of deferred financing costs Amortization of Financing Costs Deferred tax benefit Deferred Income Tax Expense (Benefit) Excess tax benefits from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Provision (recovery) for doubtful accounts Provision for Doubtful Accounts Changes in operating assets and liabilities, net of effects from acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense Accounts payable Increase (Decrease) in Accounts Payable Taxes payable Increase (Decrease) in Accrued Taxes Payable Deferred revenue Increase (Decrease) in Deferred Revenue Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Capital expenditures, including internal-use software and website development Payments to Acquire Property, Plant, and Equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Excess tax benefits from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Net cash used by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) ORGANIZATION AND BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Basis of Presentation [Abstract] SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Significant Accounting Policies [Abstract] STOCK BASED AWARDS AND OTHER EQUITY INSTRUMENTS Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Based Awards and Other Equity Instruments [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Income Taxes [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies [Abstract] DEBT Debt Disclosure [Text Block] Debt [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Segment Information [Abstract] STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity [Abstract] Amendment Flag Current Fiscal Year End Date Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Filer Category Entity Registrant Name Document Fiscal Period Focus Document Fiscal Year Focus Consolidated Statements of Operations [Abstract] Consolidated Statements of Comprehensive Income [Abstract] Consolidated Balance Sheets [Abstract] Consolidated Statements of Changes in Stockholders' Equity [Abstract] Consolidated Statements of Cash Flows [Abstract] (1) Excludes amortization as follows: Excludes Amortization [Abstract] Amortization excluded from cost of revenue. Amortization of acquired technology included in amortization of intangibles Amortization of Acquired Technology Included in Amortization of Intangibles Amortization of acquired technology included in amortization of intangibles. Amortization of website development costs included in depreciation Amortization of Website Development Costs Included in Technology and Content Amortization of website development costs included in technology and content. Excluded Amortization Excluded Amortization Total amortization excluded from cost of revenue. (2) Includes stock-based compensation as follows: Includes Stock Based Compensation [Abstract] Stock-based compensation by operating expense category. Selling and marketing Stock Based Compensation Selling and Marketing Stock-based compensation within selling and marketing expense. Technology and content Stock Based Compensation Technology and Content Stock-based compensation within technology and content expense. General and administrative Stock Based Compensation General and Administrative Stock-based compensation within general and administrative expense. Other, net Other Noncash Income (Expense) Proceeds from credit facilities Proceeds from Lines of Credit Payments on credit facilities Repayments of Lines of Credit Principal payments on long-term debt Principal payments on long-term debt Repayments of Long-term Debt RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Related Party Transactions [Abstract] Payment of minimum withholding taxes on net share settlements of equity awards Payments Related to Tax Withholding for Share-based Compensation Proceeds from exercise of stock options and warrants Proceeds from Issuance or Sale of Equity Issuance of common stock related to exercise of options and vesting of RSUs Adjustments to Additional Paid in Capital Issuance of Common Stock Related to Exercise of Options and Warrants and Vesting of Restricted Stock Units Value Issuance of common stock related to exercise of options and warrants and vesting of restricted stock units value. Issuance of common stock related to exercise of options and vesting of RSUs, shares Adjustments to Additional Paid in Capital Issuance of Common Stock Related to Exercise of Options and Warrants and Vesting of Restricted Stock Units Shares Issuance of common stock related to exercise of options and warrants and vesting of restricted stock units shares. Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), before Tax [Abstract] Consolidation Consolidation, Policy [Policy Text Block] Accounting Estimates Use of Estimates, Policy [Policy Text Block] Currency translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Related-party revenue from Expedia Revenue derived from related party transactions Revenue from Related Parties Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Summary of total outstanding borrowings Schedule of Debt [Table Text Block] Schedule showing remaining future minimum principal payment obligations Schedule of Maturities of Long-term Debt [Table Text Block] Net related party receivable with Expedia and its subsidiaries Accounts Receivable, Related Parties, Current Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Domain] Restricted Stock Units (RSU) [Member] RSUs [Member] Restricted Stock Units (RSU) [Member] Stock Options [Member] Stock Options [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Options Outstanding, Beginning balance Options Outstanding, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Maximum [Member] Maximum [Member] Schedule of Short-term Debt [Table] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Short-term Debt [Line Items] Stock Based Awards and Other Equity Instruments (Textual) [Abstract] Stock-based Awards and Other Equity Instruments (Textual) [Abstract] Stock based awards and other equity instruments. Stock options vest period ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Fair value of RSU's issued Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Vested and released (1) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested and released (1) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Options Exercisable, Weighted Average Exercise Price, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options Outstanding, Weighted Average Remaining Contractual Life, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table] Award Type [Axis] Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Term Loan [Member] Term Loan [Member] Term loan. Total Short-Term Borrowings Short-term Debt 2014 Long-term Debt, Maturities, Repayments of Principal in Year Two 2015 Long-term Debt, Maturities, Repayments of Principal in Year Three 2016 Long-term Debt, Maturities, Repayments of Principal in Year Four Total Term loan facility principal amount Long-term Debt Schedule showing remaining future minimum principal payment obligations Long-term Debt, Fiscal Year Maturity [Abstract] Short Term Debt: Short-term Debt [Abstract] Long Term Debt: Long-term Debt, by Type Alternative [Abstract] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Debt Instrument [Line Items] Reconciliation of Adjusted EBITDA to operating income and net income Segment Reporting Information, Operating Income (Loss) [Abstract] Stockholders' Equity (Textual) [Abstract] Stockholders Equity (Textual) [Abstract] Stockholders equity. Percentage of directors elected by common stock holders Percentage of Directors Elected by Common Stock Holders Percentage of directors elected by common stock holders. Reconciliation of weighted average number of shares of common stock outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average effect of dilutive securities: Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract] Total Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other related-party operating expenses included within Selling and Marketing expense Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Debt (Textual) [Abstract] Debt (Textual) [Abstract] Debt. Borrowings alternate base rate Debt Instrument Alternate Base Rate Debt instrument alternate base rate. Line of Credit Facility [Table] Credit Facility [Axis] Line of Credit Facility [Line Items] Borrowing capacity under revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Borrowings, interest rate description Debt Instrument, Description of Variable Rate Basis Chinese Credit Facility BOA [Member] Chinese Credit Facility BOA [Member] Chinese credit facility BOA. Interest rate of Chinese Credit Facility BOA Line of Credit Facility, Interest Rate Description Chinese Credit Facility JPM [Member] Chinese Credit Facility JPM [Member] Chinese credit facility JPM. Organization and Basis of Presentation (Textual) [Abstract] Organization and Basis of Presentation (Textual) [Abstract] Organization and Basis of Presentation (Textual) [Abstract] Reconciliation of adjusted EBITDA to operating income and net income Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Description of Business Business Description Policy [Policy Text Block] The entire disclosure for the business description. Business description describes the nature and type of organization, including where and how we earn our revenue. Unvested RSUs outstanding, Weighted Average Grant Date Fair Value Per Share, Beginning balance Unvested RSUs outstanding, Weighted Average Grant Date Fair Value Per Share, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Period of term loan facility Credit Agreement Term of Term Loan Term of outstanding term loan and revolving credit facility. Authorized Class B common stock shares Class B Common Stock Shares Authorized The maximum number of Class B common shares permitted to be issued. Common Stock Class B par value per share Class B Common Stock Par or Stated Value Per Share Par value of Class B common shares. Vote per common Class B stock share Class B Number of Voting Rights Per Share Number of voting rights per Class B common share. Less: Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Summary of RSU activity on common stock Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Summary of the unrecognized compensation expense, net of estimated forfeitures and the weighted average period remaining Schedule of Unrecognized Compensation Expense Net of Estimated Forfeitures and Weighted Average Period [Table Text Block] Summary of unrecognized stock based compensation by award type, net of forfeitures and the weighted average remaining amortization period. Number of other travel bands with websites Number of Other Travel Brands Number of other travel brands. Summary of the status and activity for stock option awards relating to our common stock Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Granted Number of stock options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Weighted Average Exercise Price, Remaining Contractual Life and Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Options Exercisable, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options Vested and expected to vest, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Options Outstanding, Weighted Average Exercise Price, Beginning balance Options Outstanding, Weighted Average Exercise Price, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options Vested and expected to vest, Weighted Average Exercise Price, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Options Exercisable, Weighted Average Remaining Contractual Life, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options Vested and expected to vest, Weighted Average Remaining Contractual Life, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Options Outstanding, Aggregate Intrinsic Value, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options Exercisable, Aggregate Intrinsic Value, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Options Vested and expected to vest, Aggregate Intrinsic Value, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Options Exercised, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Black-Scholes assumptions used in calculating the estimated fair value of stock options granted Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Unvested RSUs outstanding, Beginning balance Unvested RSUs outstanding, Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted RSU's granted under incentive plan Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Summary of RSU's activity on common shares, RSU's Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Unrecognized compensation expense (net of forfeitures), Stock Options Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options Unrecognized compensation expense (net of forfeitures), RSUs Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options Term of stock options, granted Term of Stock Options Granted Term of stock options granted. Closing stock price Common Stock Closing Price Common stock closing stock price. Grant date fair value per option Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Vesting period of outstanding equity award Vesting Period of Stock Options Vesting period of stock options. Borrowings, maturity date Debt Instrument, Maturity Date Commitment fee on undrawn amount Line of Credit Facility, Commitment Fee Percentage Borrowings on same-day notice [Member] Borrowings on Same Day Notice [Member] Borrowings on same-day notice. Chinese Credit Facility [Member] Chinese Credit Facility [Member] Chinese credit facility. Letter of Credit [Member] Letter of Credit [Member] Vote per common stock share Right to voting Common Stock, Voting Rights Total income tax benefit related to stock-based compensation expense Employee Service Share Based Compensation Tax Benefit From Compensation Expense Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Number of countries with localized version of websites Number of Countries in Presence of Web Sites Number of countries in presence of web sites. Seasonality Seasonality Policy [Policy Text Block] Disclosure of the seasonality of our business and how it effects our financials. Maximum borrowing limits Credit Agreement Outstanding Borrowings and Maximum Borrowing Capacity Summary of outstanding borrowings and potential borrowings under revolving credit facility. Short term borrowings outstanding Carrying Amount of Short Term Borrowings Credit Facility The carrying amount of outstanding short term borrowings under our Chinese credit facilities. Extended revolving credit facility of Chinese subsidiaries with BOA Line of Credit Facility Increased Maximum Borrowing Capacity The increased or maximum borrowing capacity under our Chinese credit facilities. Reconciliation of weighted average number of shares of common stock outstanding Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Calculation of diluted net income per share related to stock options and RSUs Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Calculation of diluted net income per share related to stock options and RSU's Antidilutive Securities Excluded from Computation Earnings Per Share [Abstract] Antidilutive securities excluded from computation earnings per share. Principal repayment of term loan Percentage of Repayment Amount on Principal Amount of Term Loan after First Year Percentage of repayment amount on total principal amount of term loan after first year. Percentage of related party revenue to total revenue Percentage of Related Party Revenue to Revenue Percentage of related party revenue to total revenue. Schedule of Stock by Class [Table] Class of Stock [Line Items] FINANCIAL INSTRUMENTS Financial Instruments Disclosure [Text Block] Cash [Member] Cash [Member] Money market funds [Member] Money Market Funds [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Financial Instruments [Abstract] Financial Instruments [Abstract] Amortized Cost, Cash Fair Value, Cash Cash Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Fair Value Available-for-sale Securities, Fair Value Disclosure Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Not designated as hedging instruments [Member] Not Designated as Hedging Instrument [Member] Hedging Designation [Axis] Hedging Designation [Domain] Summary of the unrecognized compensation expense, net of estimated forfeitures and the weighted average period remaining Summary of Unrecognized Compensation Expense Net of Estimated Forfeitures and Weighted Average Period Remaining [Abstract] Summary of unrecognized compensation expense net of estimated forfeitures and weighted average period remaining. Additional paid-in capital Additional Paid in Capital, Common Stock Reverse stock split of outstanding capital Stockholders' Equity, Reverse Stock Split Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Credit Facility [Domain] Borrowings, interest rate basis Line of Credit Facility, Interest Rate at Period End Revolving Credit facility payments Payments to Credit Facility During Period Total payments to revolving credit facility during the reporting period ended. Purchases of marketable securities Payments to Acquire Short-term Investments Short-term marketable securities (note 4) Short-term Investments Number of reportable segment Number of Reportable Segments Income Taxes (Textual) [Abstract] Income Taxes (Textual) [Abstract] Income Taxes (Textual) [Abstract] Related Party Transactions (Textual) [Abstract] Related Party Transactions (Textual) [Abstract] Related Party Transactions (Textual) [Abstract] Beneficially Ownership of Shares of Common Stock Common Stock Shares Held by Related Party Common stock shares held by related party. Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Domain] Related Party Transaction [Line Items] Schedule of Cash and Cash Equivalent and Available for Sale Securities [Table] Schedule of cash and cash equivalent and available for sale securities. U.S. agency securities [Member] US Government Agencies Debt Securities [Member] Commercial paper [Member] Commercial Paper [Member] Short-Term Marketable Securities Marketable Securities, Current Long-Term Marketable Securities Long-term marketable securities (note 4) Marketable Securities, Noncurrent Foreign exchange- forward contracts (current) [Member] Foreign Exchange Contract [Member] Asset Derivative Asset, Fair Value, Net Liability Derivative Liability, Fair Value, Net U.S. Dollar Notional Derivative, Notional Amount Fair value and notional principal amounts of outstanding or unsettled derivative instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of cash, cash equivalent and marketable securities Available-for-sale Securities, Balance Sheet, Reported Amounts [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivatives, Fair Value [Line Items] Fair value and notional principal amounts of outstanding or unsettled derivative instruments Derivative, Fair Value, Net [Abstract] Number of reportable segment Number of Operating Segments Cash and Cash Equivalents, Cash Cash and Cash Equivalents Cash at Carrying Value Cash and cash equivalents cash at carrying value. Corporate securities [Member] Corporate Securities [Member] Corporate securities. Municipal securities [Member] Municipal Securities [Member] Municipal securities. Recognize impairment charges Marketable Securities Impairment Charge Marketable securities impairment charge. Schedule of Cash and Cash Equivalent and Available for Sale Securities [Line Items] Schedule of Cash and Cash Equivalent and Available for Sale Securities [Line Items] Performance based options, bearing right to acquire common stock Performance Based Options Number of Securities Called by Options Performance based options, number of securities called by options. Summary of the status and activity for stock option awards relating to our common stock Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Summary of RSU's activity on common shares, Weighted Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Taxes receivable Income Taxes Receivable Deferred income taxes, net Deferred Tax Assets, Net, Noncurrent Related parties Increase (Decrease) in Due from Related Parties, Current Total fair value of marketable securities Marketable Securities Total gross unrealized loss position Available-for-sale Securities, Gross Unrealized Gain (Loss) Debt (Additional Textual) [Abstract] Debt (Additional Textual) [Abstract] Debt (Additional Textual) [Abstract] Criteria percentage of damages claims Criteria Percentage of Damages Claims Damages expressed as a percentage of total current assets in determining requirement for disclosure. Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingencies [Line Items] Cumulative foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated other comprehensive loss primarily comprised of accumulated foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Liberty [Member] Liberty [Member] Liberty. Accumulated other comprehensive loss primarily comprised of accumulated foreign currency translation adjustments Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Unrealized gain on marketable securities, net of tax Change in net unrealized gain (loss) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Amortization of discounts and premiums on marketable securities, net Accretion (Amortization) of Discounts and Premiums, Investments Investments in marketable securities Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Stockholders Equity (Additional Textual) [Abstract] Stockholders Equity (Additional Textual) [Abstract] Stockholders Equity (Additional Textual) [Abstract] Net unrealized loss on securities, net of tax Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Summary of RSU activity on common stock Share Based Compensation Restricted Stock Units Award Activity [Abstract] Share Based Compensation Restricted Stock Units Award Activity [Abstract] Other, net Other Nonoperating Income (Expense) Black-Scholes assumptions used in calculating the estimated fair value of stock options granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of cash, cash equivalent and marketable securities Available-for-sale Securities [Table Text Block] Stock options Incremental Common Shares Attributable to Stock Options Incremental common shares related to stock options added to weighted average diluted shares in order to calculate diluted EPS. RSUs Incremental Common Shares Attributable to Restricted Stock Units Incremental common shares related to RSUs added to weighted average diluted shares in order to calculate diluted EPS. Stock warrants Incremental Common Shares Attributable to Stock Warrants Incremental common shares related to stock warrants added to weighted average diluted shares in order to calculate diluted EPS. Stock options Antidilutive Stock Options Excluded from Computation of Earnings Per Share Amount Stock options (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. RSUs Antidilutive Restricted Stock Units Excluded from Computation of Earnings Per Share Amount RSUs (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Weighted average period remaining (in years), RSUs Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Outstanding Weighted Average Remaining Vest Period The weighted average remaining vesting period over which unamortized cost of RSU's will be recognized to the profit and loss statement. Weighted average period remaining (in years), Stock Options Share Based Compensation Arrangement by Share Based Payment Award Equity Award Options Outstanding Weighted Average Remaining Vest Period The weighted average remaining vesting period over which unamortized cost of stock options will be recognized to the profit and loss statement. RSU's withheld to satisfy minimum tax withholding requirements Shares Paid for Tax Withholding for Share Based Compensation Financial instruments including money market funds maturities period Cash and Cash Equivalents Maturity Period Cash and cash equivalents have maturities of 90 days or less at the date purchased. Financial Instruments (Textual) [Abstract] Financial Instruments (Textual) [Abstract] Financial Instruments. Maximum maturities period of long-term marketable securities Marketable Securities Long Term Maximum Maturity Period Long-term maturities have remaining terms of 1 to 3 years. Minimum maturities period of long-term marketable securities Marketable Securities Long Term Minimum Maturity Period Long-term maturities have remaining terms of 1 to 3 years. Maximum maturities period of short-term marketable securities Marketable Securities Short Term Maximum Maturity Period Maximum maturities period of short-term marketable securities Minimum maturities period of short-term marketable securities Marketable Securities Short Term Minimum Maturity Period Minimum maturities period of short-term marketable securities. Foreign currency transaction (gains) losses, net Foreign Currency Transaction Gain (Loss), Unrealized Number of directors Number of Directors Elected by Common Stock Holders The number of directors that can currently be elected by common stock holders. Percentage taken from outstanding shares of Common Stock Percent of Common Stock Held by Related Party Current The percentage of common stock owned by a related party. Percentage of beneficially Ownership of Shares of Common Stock Percent of Common Stock Held by Related Party if Class B Converted The percentage of common stock owned by a related party if Class B shares were converted to common shares. Beneficially ownership of equity securities Related Party Voting Rights Percent Current The voting rights percentage assuming the related party voted both Common and Class B stock. Percentage taken from outstanding shares of Common Stock Class B Percent of Common Stock Class B Held by Related Party Current The percentage of Class B common stock owned by a related party. Taxes receivable Increase (Decrease) in Income Taxes Receivable Number of separate independent public companies Number of Separate Independent Public Companies Number of separate independent public companies. Derivative number of instruments entered into or settled during period Derivative Number of Instruments Entered into or Settled During Period Derivative number of instruments entered into or settled during period. Vesting period of stock options Vesting Period of Stock Options Two Vesting period of stock options. EARNINGS PER SHARE Earnings Per Share [Text Block] Stock Based Awards and Other Equity Instruments (Additional Textual) [Abstract] Stock Based Awards and Other Equity Instruments (Additional Textual) [Abstract] Stock Based Awards and Other Equity Instruments (Additional Textual) [Abstract] Effective tax rate Effective Income Tax Rate, Continuing Operations Accrued interest Income Tax Examination, Interest Accrued Accrued penalties Income Tax Examination, Penalties Accrued Authorized the repurchase of shares of common stock Stock Repurchase Program, Number of Shares Authorized to be Repurchased Net income Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Earnings Per Share (Textual) [Abstract] Earnings Per Share (Textual) [Abstract] Earnings Per Share (Textual) [Abstract] Segment Information (Textual) [Abstract] Segment Information (Textual) [Abstract] Segment Information (Textual) [Abstract] Total interest and commitments fees Interest and Commitment Fees Interest and commitment fees. Minimum withholding taxes on net share settlements of equity awards Adjustments Related to Tax Withholding for Share-based Compensation Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Commitments and Contingencies (note 6) Commitments and Contingencies Maturities of marketable securities Proceeds from Sale, Maturity and Collection of Short-term Investments U.S. treasury securities [Member] US Treasury Securities [Member] Certificates of deposit [Member] Certificates of Deposit [Member] Material realized gains or losses related to sales of marketable securities Marketable Securities, Realized Gain (Loss) Adjusted EBITDA Earnings before Interest Taxes Depreciation Amortization Net income plus tax expense, Other income (expense), depreciation of property and equipment, including internal use software and website development, amortization of intangible assets, stock-based compensation and non-recurring expenses. Restricted stock units, bearing right to acquire common stock Performance Based Restricted Stock Units Number of Securities Called by Restricted Stock Units Performance based restricted stock units, number of securities called by restricted stock units. Available-for-sale investments: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract] Less: reclassification adjustment for gains (losses) included in net income Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax Net change (net of tax effect of $32) Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net of unrealized tax benefit Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Balance Sheet Location [Axis] Balance Sheet Location [Domain] Prepaid expenses and other current assets (1) [Member] Prepaid Expenses and Other Current Assets [Member] Prepaid expenses and other current assets. Accrued and other current liabilities (1) [Member] Accrued and Other Current Liabilities [Member] Accrued and Other Current Liabilities [Member] Payment of interest on Chinese credit facilities Line of Credit Facility, Periodic Payment, Interest Commitments and Contingencies (Textual) [Abstract] Commitments and Contingencies (Textual) [Abstract] Commitments and Contingencies (Textual) [Abstract] Dividend declared on common stock Common Stock, Dividends, Per Share, Declared Expedia [Member] Expedia [Member] Expedia [Member] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Proceeds from Expedia, Inc related to Spin-Off Proceeds From Spin Off Proceeds from Expedia Inc. related to Spin-Off. Basis of Presentation Basis of Accounting [Text Block] Net gain related to forward contracts Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net 2013 Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year Conversion of Class B common stock Conversion Ratio Class B to Common The number of common shares received for each share of Class B common share upon conversion. Beneficially Ownership of Shares of Common Stock Class B Class B Common Stock Shares held by Related Party Class B common stock shares held by related party. Other Comprehensive Income Available for Sale Cumulated Securities Tax Other Comprehensive Income Available for Sale Cumulated Securities Tax Net of unrealized tax benefit