Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Accrued Expenses and Other Current Liabilities Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable, net of allowance of $2,918 and $2,818 at June 30, 2013 and December 31, 2012, respectively Accounts Receivable Related Parties Current Net related party receivable with Expedia and its subsidiaries Accretion Amortization Of Discounts And Premiums Investments Amortization of discounts and premiums on marketable securities, net Accrued and other current liabilities. Accrued And Other Current Liabilities [Member] Accrued and other current liabilities [Member] Accrued charitable foundation payments. Accrued Charitable Foundation Payments Accrued charitable foundation payments Accrued Income Taxes Current Taxes payable Accrued Liabilities Current Accrued expenses and other current liabilities (note 8) Total accrued expenses and other current liabilities Accrued liabilities related to share repurchase. Accrued Liabilities Related To Share Repurchase Accrued treasury share purchases Common stock shares remains payable Accrued Marketing Costs Current Accrued marketing costs Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Net unrealized loss on securities, net of tax Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax Cumulative foreign currency translation adjustments Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Total accumulated other comprehensive loss Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive (Loss) Income [Member] Acquired customer advances. Acquired Customer Advances Payable balance acquired with business acquisition Acquired Finite Lived Intangible Assets Weighted Average Useful Life Weighted-average life of the identifiable definite-lived intangible assets Additional Paid In Capital Common Stock Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Adjustments Related To Tax Withholding For Share Based Compensation Minimum withholding taxes on net share settlements of equity awards Adjustments to additional paid in capital issuance of common stock related to exercise of options and warrants and vesting of restricted stock units 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 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 value. 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 vesting of RSUs Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock-based compensation expense Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net Tax benefits on equity awards Allowance For Doubtful Accounts Receivable Current Net of allowance for receivable Amendment Flag Amendment Flag 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 Financing Costs Amortization of deferred financing costs Amortization Of Intangible Assets Amortization of intangible assets Amortization of intangible assets Amortization of website development costs included in depreciation. Amortization Of Website Development Costs Included In Depreciation Amortization of website development costs included in depreciation Amortized Cost and Fair Value Debt Securities [Abstract] Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] 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. Antidilutive Restricted Stock Units Excluded From Computation Of Earnings Per Share Amount RSUs Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Total 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. Antidilutive Stock Options Excluded From Computation Of Earnings Per Share Amount Stock options Assets Assets TOTAL ASSETS Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Available For Sale Securities Fair Value Available For Sale Securities Amortized Cost Amortized Cost Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Investments in marketable securities Availableforsale Securities Gross Unrealized Gain Loss 1 Total gross unrealized loss position Available For Sale Securities Gross Unrealized Gains Unrealized Gains Available For Sale Securities Gross Unrealized Loss Unrealized Losses Available For Sale Securities [Text Block] Schedule of Cash, Cash Equivalents and Marketable Securities 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 Borrowings on same-day notice. Borrowings On Same Day Notice [Member] Borrowings On Same Day-notice [Member] Build up area of land for building under lease. Build Up Area Of Land For Building Under Lease Leased Area Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount Goodwill expected to be deductible for tax purposes Business Combination Consideration Transferred 1 Total purchase price consideration Business Combination Disclosure [Text Block] Acquisitions Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent Deferred tax liability Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill Intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Identifiable definite-lived intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Net liabilities Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net Total purchase price consideration Business Combinations [Abstract] Business Combinations [Abstract] The entire disclosure for the business description. Business description describes the nature and type of organization, including where and how we earn our revenue. Business Description Policy Policy [Text Block] Description of Business The carrying amount of outstanding short term borrowings under our Chinese credit facilities. Carrying Amount Of Short Term Borrowings Credit Facility Short term borrowings outstanding Cash Amortized Cost, Cash Fair Value, Cash Cash Acquired From Acquisition Cash acquired Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of year Cash and cash equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents cash at carrying value. Cash And Cash Equivalents Cash At Carrying Value Cash and Cash Equivalents, Cash Cash and cash equivalents maximum maturity period. Cash And Cash Equivalents Maximum Maturity Period Financial instruments including money market funds maturities period Cash And Cash Equivalents Period Increase Decrease Net (decrease) increase in cash and cash equivalents Cash [Member] Cash [Member] Cash unrealized gain. Cash Unrealized Gain Unrealized Gains, Cash Cash unrealized loss. Cash Unrealized Loss Unrealized Losses, Cash Certificates Of Deposit [Member] Certificates of deposit [Member] Chinese Credit Facility BOA [Member] Chinese Credit Facility Boa [Member] Chinese Credit Facility-BOA [Member] Chinese Credit Facility JPM [Member] Chinese Credit Facility Jpm [Member] Chinese Credit Facility-JPM [Member] Chinese Credit Facility [Member] Chinese Credit Facility [Member] Chinese Credit Facility [Member] Par value of Class B common shares. Class B Common Stock Par Or Stated Value Per Share Common Stock Class B par value per share The maximum number of Class B common shares permitted to be issued. Class B Common Stock Shares Authorized Authorized Class B common stock shares Class B common stock shares held by related party. Classb Common Stock Shares Held By Related Party Beneficially ownership of shares of Common Stock Class B Number of voting rights per Class B common share. Class B Number Of Voting Rights Per Share Vote per common Class B stock share Class Of Stock [Domain] Class of Stock [Domain] Commercial Paper [Member] Commercial paper [Member] Commitments And Contingencies Commitments and Contingencies (note 9) Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Class B [Member] Class B Common Stock [Member] Common stock closing stock price. Common Stock Closing Price Closing stock price Common Stock Dividends Per Share Declared Dividend declared on common stock Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common stock shares held by related party. Common Stock Shares Held By Related Party Beneficially ownership of shares of common stock Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock Common Stock Voting Rights Right to voting Vote per common stock share Compensation Related Costs [Abstract] Compensation Related Costs [Abstract] Comprehensive Income Net Of Tax Comprehensive income attributable to TripAdvisor, Inc. Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Less: Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income Consolidation Policy [Text Block] Consolidation The number of common shares received for each share of Class B common share upon conversion. Conversion Ratio Classb To Common Conversion of Class B common stock Corporate securities. Corporate Securities [Member] Corporate securities [Member] Cost Of Revenue Cost of revenue (exclusive of amortization) Costs And Expenses Total costs and expenses Costs And Expenses [Abstract] Costs and expenses: Summary of outstanding borrowings and potential borrowings under revolving credit facility. Credit Agreement Outstanding Borrowings And Maximum Borrowing Capacity Maximum borrowing limits Term of outstanding term loan and revolving credit facility. Credit Agreement Term Of Term Loan Period of Term Loan Facility Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Damages expressed as a percentage of total current assets in determining requirement for disclosure. Criteria Percentage Of Damages Claims Criteria percentage of damages claims Current Fiscal Year End Date Current Fiscal Year End Date Customer Relationships [Member] Customer Relationships [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Debt instrument alternate base rate. Debt Instrument Alternate Base Rate Borrowings alternate base rate Debt Instrument Description Of Variable Rate Basis Borrowings, interest rate description Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Borrowings, maturity date Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Term Revolving credit facility, maturity term Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Deferred Income Tax Expense Benefit Deferred tax benefit Cash, net of commissions, received by travelers at time of booking that is due to hotels and vacation rental owners after the traveler's use. Deferred Merchant Payables Deferred merchant payables Deferred merchant payables (note 2) Cash, net of commissions, received by travelers at time of booking that is due to hotels and vacation rental owners after the traveler's use. Deferred Merchant Payables Policy [Text Block] Deferred Merchant Payables Deferred Revenue Current Deferred revenue Deferred Tax Assets Liabilities Net Noncurrent Deferred income taxes, net Deferred Tax Assets Net Current Deferred income taxes, net Deferred Tax Liabilities Noncurrent Deferred income taxes, net Depreciation Depreciation Depreciation of property and equipment, including amortization of internal-use software and website development Depreciation Derivative Contract Type [Domain] Derivative Contract [Domain] Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral Asset Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral Liability Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Notional Amount U.S. Dollar Notional 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 Developed Technology [Member] Developed Technology [Member] Developed Technology [Member] Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] 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] Stock Based Awards and Other Equity Instruments Document Document and Entity Information [Abstract] Document Document And Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Line Items] Document Period End Date Document Period End Date Document Type Document Type 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. Earnings Before Interest Taxes Depreciation Amortization Adjusted EBITDA Earnings Per Share [Abstract] Earnings Per Share attributable to TripAdvisor, Inc.: Earnings Per Share Basic Basic Basic EPS Earnings Per Share Diluted Diluted Diluted EPS Earnings Per Share [Text Block] Earnings Per Share Effective Income Tax Rate Continuing Operations Effective tax rate Effect Of Exchange Rate On Cash And Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Employee Related Liabilities Current Accrued salary, bonus, and related benefits Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Unrecognized compensation expense (net of forfeitures), RSUs Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unrecognized compensation expense (net of forfeitures), Stock Options Employee Service Share Based Compensation Tax Benefit From Compensation Expense Total income tax benefit related to stock-based compensation expense Employee Stock Option [Member] Stock Options [Member] Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Equity [Line Items] Equity [Line Items] Equity [Line Items] Equity [Table] Equity [Table] Equity [Table] Excess Tax Benefit From Share Based Compensation Financing Activities Excess tax benefits from stock-based compensation Excess Tax Benefit From Share Based Compensation Operating Activities Excess tax benefits from stock-based compensation Total amortization excluded from cost of revenue. Excluded Amortization Excluded Amortization Excludes amortization. Excludes Amortization [Abstract] (1) Excludes amortization as follows: Expedia [Member] Expedia [Member] Expedia [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Inputs Level 3 [Member] Level 3 [Member] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Financial Instruments Disclosure [Text Block] Financial Instruments Financial Instruments [Line Items] Financial Instruments [Line Items] Financial Instruments [Line Items] Financial Instruments [Table] Financial Instruments [Table] Financial Instruments [Table] Finite Lived Intangible Assets Accumulated Amortization Accumulated Amortization Less: accumulated amortization Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months 2014 Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year 2013 (remaining six months) Finite Lived Intangible Assets Amortization Expense Rolling After Year Five 2019 and thereafter Finite Lived Intangible Assets Amortization Expense Rolling Year Five 2018 Finite Lived Intangible Assets Amortization Expense Rolling Year Four 2017 Finite Lived Intangible Assets Amortization Expense Rolling Year Three 2016 Finite Lived Intangible Assets Amortization Expense Rolling Year Two 2015 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Gross Gross Carrying Amount Intangible assets with definite lives Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items]