Entity Central Index Key Net income (loss) plus: (1) provision for income taxes; (2) other income (expense), net; (3) depreciation of property and equipment, including amortization of internal use software and website development; (4) amortization of intangible assets; (5) stock-based compensation and other stock-settled obligations; (6) goodwill, long-lived asset and intangible asset impairments; (7) legal reserves and settlements, (8) restructuring and related reorganization costs; and (9) non-recurring expenses and income. Document and entity information. Document And Entity Information [Abstract] Document Information [Table] Document Information [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Common stock, unclassified. Common Stock, Unclassified Common Stock Unclassified [Member] Class B Common Stock Common Class B [Member] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Interactive Data Current Entity Interactive Data Current Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation State Country Code Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Income Statement [Abstract] Revenue (Note 3) Revenue From Contract With Customer Excluding Assessed Tax Costs and expenses: Costs And Expenses [Abstract] Cost of revenue Cost Of Goods And Service Excluding Depreciation Depletion And Amortization Selling and marketing Selling And Marketing Expense Technology and content Information Technology And Data Processing General and administrative General And Administrative Expense Depreciation and amortization Depreciation And Amortization Impairment of goodwill (Note 7) Goodwill Impairment Loss Restructuring and other related reorganization costs (Note 10) Restructuring And Related Cost Incurred Cost Total costs and expenses: Costs And Expenses Operating income (loss) Operating Income Loss Other income (expense): Nonoperating Income Expense [Abstract] Interest expense Interest Expense Interest income Investment Income Interest Other income (expense), net (Note 14) Other Nonoperating Income Expense Total other income (expense), net Nonoperating Income Expense Income (loss) before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest (Provision) benefit for income taxes (Note 9) Income Tax Expense Benefit Net income (loss) Net Income Loss Earnings (loss) per share attributable to common stockholders (Note 4): Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted average common shares outstanding (Note 4): Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement [Table] Statement [Table] Long-Lived Tangible Asset Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Website Development Costs Software And Software Development Costs [Member] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Acquired Technology Technology Based Intangible Assets [Member] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Selling and Marketing Selling And Marketing Expense [Member] Technology and content. Technology and Content Technology And Content [Member] General and Administrative General And Administrative Expense [Member] Cost of Revenue Cost Of Sales [Member] Statement [Line Items] Statement [Line Items] Amortization of intangible assets Amortization Of Intangible Assets Depreciation Depreciation Amortization adjustment Adjustment For Amortization Stock-based compensation: Share Based Compensation [Abstract] Stock-based compensation Allocated Share Based Compensation Expense Statement Of Income And Comprehensive Income [Abstract] Net income (loss) Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Foreign currency translation adjustments, net of tax Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Reclassification adjustment for net losses included in net income (loss) Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Comprehensive income (loss) Comprehensive Income Net Of Tax Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Equity investments in non-public companies where there is no publicly traded market prices. Deferred customer advances current. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents (Note 6) Cash And Cash Equivalents At Carrying Value Accounts receivable and contract assets, net of allowance for credit losses of $33 and $25, respectively (Note 2, Note 3) Accounts Receivable And Contract Assets Net Current Income taxes receivable Income Taxes Receivable Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net of accumulated depreciation of $365 and $319, respectively Property Plant And Equipment Net Operating lease right-of-use assets Operating Lease Right Of Use Asset Intangible assets, net of accumulated amortization of $194 and $173, respectively Intangible Assets Net Excluding Goodwill Goodwill (Note 7) Goodwill Deferred income taxes, net Deferred Income Tax Assets Net Non-marketable investments (Note 6) Non Marketable Investments Other long-term assets, net of allowance for credit losses of $5 and $0, respectively Other Assets Noncurrent TOTAL ASSETS Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Deferred merchant payables Deferred Customer Advances Current Deferred revenue (Note 3) Contract With Customer Liability Current Accrued expenses and other current liabilities (Note 10) Accrued Liabilities Current Total current liabilities Liabilities Current Long-term debt (Note 8) Long Term Debt Noncurrent Deferred income taxes, net Deferred Income Tax Liabilities Net Other long-term liabilities Other Liabilities Noncurrent Total Liabilities Liabilities Commitments and contingencies (Note 11) Commitments And Contingencies Stockholders’ equity: (Note 12) Stockholders Equity [Abstract] Preferred stock, $0.001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0 Preferred Stock Value Common stock Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Treasury stock-common stock, at cost, 18,844,614 and 14,116,534 shares, respectively Treasury Stock Value Total Stockholders’ Equity Stockholders Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity Allowance for credit losses Allowance For Doubtful Accounts Receivable Current Property and equipment, net, accumulated depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Intangible assets, accumulated amortization Finite Lived Intangible Assets Accumulated Amortization Other long-term assets, allowance for credit losses Allowance For Notes And Loans Receivable Noncurrent Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Treasury stock, shares Treasury Stock Shares Treasury stock shares acquired other. Treasury stock value acquired other. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Member] Treasury Stock Treasury Stock [Member] Cumulative Effect, Period of Adoption Cumulative Effect Period Of Adoption [Axis] Cumulative Effect, Period of Adoption Cumulative Effect Period Of Adoption [Domain] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect Period Of Adoption Adjustment [Member] Revision of Prior Period Restatement [Axis] Revision of Prior Period Restatement [Domain] Revision of Prior Period, Adjustment Restatement Adjustment [Member] Beginning balance Beginning balance, shares Cumulative effect adjustment from adoption of new accounting guidance Other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Issuance of common stock related to exercises of options and vesting of RSUs Stock Issued During Period Value Stock Options Exercised Issuance of common stock related to exercises of options and vesting of RSUs, shares Stock Issued During Period Shares Stock Options Exercised Repurchase of common stock Treasury Stock Value Acquired Cost Method Repurchase of common stock, shares Treasury Stock Shares Acquired Withholding taxes on net share settlements of equity awards Adjustments Related To Tax Withholding For Share Based Compensation Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Other Treasury Stock Value Acquired Other Ending balance Ending balance, shares Other, shares Treasury Stock Shares Acquired Other Increase (decrease) in deferred customer advances. Statement Of Cash Flows [Abstract] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Twenty fifteen credit facility. 2015 Credit Facility Twenty Fifteen Credit Facility [Member] Operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net income (loss) Profit Loss Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock-based compensation expense (Note 5) Share Based Compensation Deferred income tax expense Deferred Income Tax Expense Benefit Provision for expected credit losses Provision For Doubtful Accounts Impairment of goodwill Other, net Other Noncash Income Expense Changes in operating assets and liabilities, net of effects from acquisitions and other investments: Increase Decrease In Operating Capital [Abstract] Accounts receivable and contract assets, prepaid expenses and other assets Increase Decrease In Accounts Receivable And Other Operating Assets Accounts payable, accrued expenses and other liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Deferred merchant payables Increase Decrease In Deferred Customer Advances Income tax receivables/payables, net Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable Deferred revenue Increase Decrease In Contract With Customer Liability Net cash provided by (used in) operating activities Net Cash Provided By Used In Operating Activities Investing activities: Net Cash Provided By Used In Investing Activities [Abstract] Capital expenditures, including internal-use software and website development Payments To Acquire Property Plant And Equipment Purchases of marketable securities Payments To Acquire Marketable Securities Maturities of marketable securities Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Other investing activities, net Payments For Proceeds From Other Investing Activities 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] Repurchase of common stock (Note 12) Payments For Repurchase Of Common Stock Proceeds from 2015 credit facility (Note 8) Proceeds From Lines Of Credit Payment of financing costs from amendment of 2015 credit facility (Note 8) Payments Of Debt Issuance Costs Payments to 2015 credit facility (Note 8) Repayments Of Lines Of Credit Proceeds from issuance of Senior Notes (Note 8) Proceeds From Issuance Of Senior Long Term Debt Payment of financing costs from issuance of Senior Notes (Note 8) Payment Of Financing And Stock Issuance Costs Proceeds from exercise of stock options Proceeds From Issuance Or Sale Of Equity Payment of withholding taxes on net share settlements of equity awards Payments Related To Tax Withholding For Share Based Compensation Payments of finance lease obligation Finance Lease Principal Payments Net cash provided by (used in) financing activities Net Cash Provided By Used In Financing Activities Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Net increase in cash, cash equivalents and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash, cash equivalents and restricted cash at beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Accounting Policies [Abstract] Business Description and Basis of Presentation Business Description And Basis Of Presentation [Text Block] Significant Accounting Policies Significant Accounting Policies [Text Block] Revenue From Contract With Customer [Abstract] Revenue Recognition Revenue From Contract With Customer [Text Block] Earnings Per Share Earnings Per Share [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock Based Awards and Other Equity Instruments Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Investments All Other Investments [Abstract] Financial Instruments and Fair Value Measurements Financial Instruments Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Goodwill Goodwill Disclosure [Text Block] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Accrued expenses and other current liabilities. Payables And Accruals [Abstract] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Other Income And Expenses [Abstract] Other Income (Expense), Net Other Nonoperating Income And Expense [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Risks and uncertainties. Risks and Uncertainties Risks And Uncertainties Policy [Text Block] Accounting Estimates Use Of Estimates Description of seasonality of business. Seasonality Seasonality Policy [Text Block] Significant accounting policies. Significant Accounting Policies Significant Accounting Policies Policy [Text Block] Recently Adopted Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Reconciliation of Disaggregated Revenue to Segment Revenue Disaggregation Of Revenue Table [Text Block] Summary of Balances of Accounts Receivable and Contract Assets from Contracts with Customers Contract With Customer Asset And Liability Table [Text Block] Reconciliation of Weighted Average Number of Shares of Common Stock Outstanding Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Market-based restricted stock units. MSUs Market Based Restricted Stock Units [Member] Amount of Stock-Based Compensation Expense Related to Stock-Based Awards Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary of Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Weighted-Average Assumptions of Estimated Fair Value of Stock Option Grants Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of RSU Activity Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Summary of Unrecognized Stock-Based Compensation Expense and Weighted Average Period Remaining Schedule Of Unrecognized Compensation Cost Nonvested Awards Table [Text Block] Notional Principal Amounts of Outstanding Derivative Instruments Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value [Text Block] Summary of Goodwill Activity by Reportable Segments Schedule Of Goodwill [Text Block] Details of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Liabilities Table [Text Block] Summary of Restructuring and Other Related Reorganization Costs Schedule Of Restructuring Reserve By Type Of Cost [Text Block] Summary of Segment Information Schedule Of Segment Reporting Information By Segment [Text Block] Summary of Other Income (Expense), Net Schedule Of Other Nonoperating Income Expense Table [Text Block] Number of markets with localized websites. Number of languages worldwide. Description of user-generated reviews and opinions across broad base of global travel-related brands. Number of hotels, accommodations reviewed on the Company's platform. Number of vacation rentals reviewed on the Company's platform. Number of restaurants reviewed on the Company's platform. Number of experiences reviewed on the Company's platform. Number of airlines reviewed on the Company's platform. Number of cruises reviewed on the Company's platform. Description of business and basis of presentation. Description of business and basis of presentation. Description Of Business And Basis Of Presentation [Table] Description Of Business And Basis Of Presentation [Table] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] LTRIP. Liberty TripAdvisor Holdings, Inc. L T R I P [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] senior notes due July 15, 2025. 7.000% senior notes due July 15, 2025 Senior Notes Due July Fifteen Two Thousand And Twenty Five [Member] Revolving Credit Facility Revolving Credit Facility [Member] Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Unusual Risk or Uncertainty, Nature Unusual Risk Or Uncertainty By Nature [Axis] Unusual Risk or Uncertainty, Nature Unusual Risk Or Uncertainty Nature [Domain] COVID -19. COVID-19 Pandemic C O V I D19 [Member] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Prepaid Expenses and Other Current Assets Prepaid Expenses And Other Current Assets [Member] Description Of Business And Basis Of Presentation [Line Items] Description Of Business And Basis Of Presentation [Line Items] Number of markets with localized versions of website Number Of Markets With Localized Websites Number of languages worldwide Number Of Languages Worldwide Description of user-generated reviews and opinions across broad base of global travel-related businesses Description Of User Generated Reviews And Opinions Across Broad Base Of Global Travel Related Brands Number of hotels and accommodations Number Of Hotels And Accommodations Reviews And Opinions Number of vacation rentals Number Of Vacation Rentals Reviews And Opinions Number of restaurants Number Of Restaurant Reviews And Opinions Number of activities and attractions worldwide Number Of Travel Activities And Experiences Reviews And Opinions Number of airlines Number Of Airlines Reviews And Opinions Number of cruises Number Of Cruises Reviews And Opinions Number of common stock shares held by related party. The percentage of common stock owned by a related party. The percentage of common stock owned by a related party if Class B shares were converted to common shares. The voting rights percentage assuming the related party voted both common and class B stock. Number of voting rights per share. Beneficially ownership of shares of common stock Common Stock Shares Held By Related Party Percentage taken from outstanding shares of common stock Percent Of Common Stock Held By Related Party Current Percentage of beneficially ownership of shares of common stock class B Percent Of Common Stock Held By Related Party If Class B Converted Right to voting Common Stock Voting Rights Vote per common stock share Number Of Voting Rights Per Share Beneficially ownership of equity securities Related Party Voting Rights Percent Current Related party transactions Related Party Transaction Amounts Of Transaction Amount borrowed Debt instrument, aggregate principal amount Debt Instrument Face Amount Income tax expense (benefit) due to CARES Act. Income tax expense (benefit) due to CARES Act Income Tax Expense Benefit Due To Cares Act Government grants and other assistance benefits recognized. Proceeds from government grants and other assistance benefits received. Government grants and other assistance benefits receivable. Government grants and other assistance benefits recognized Government Grants And Other Assistance Benefits Recognized Government grants and other assistance benefits received Proceeds From Government Grants And Other Assistance Benefits Received Government grants and other assistance benefits receivable Government Grants And Other Assistance Benefits Receivable Schedule of accounting policies. Schedule of accounting policies. Schedule Of Accounting Policies [Table] Schedule Of Accounting Policies [Table] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] U.S. Treasury Securities U S Treasury Securities [Member] U.S. Government Agency Securities U S Government Agencies Debt Securities [Member] Schedule Of Accounting Policies [Line Items] Schedule Of Accounting Policies [Line Items] Portfolio based securities loss expectation Loss Contingency Estimate Of Possible Loss Available-for-sale-debt securities Available For Sale Securities Debt Securities Time period for which customer invoices are due after invoice date. Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Table] Accounting Standards Update Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update Type Of Adoption [Member] ASC 606 Accounting Standards Update201409 [Member] Disaggregation Of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Customer invoices due period Customer Invoices Due Period Number of reportable segment Number Of Reportable Segments Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] TripAdvisor branded hotels. Tripadvisor-Branded Hotels Trip Advisor Branded Hotels [Member] TripAdvisor branded display and platform. Tripadvisor-Branded Display and Platform Trip Advisor Branded Display And Platform [Member] Segments Statement Business Segments [Axis] Segments Segment [Domain] Hotels media and platform segment. Hotels, Media & Platform Hotels Media And Platform Segment [Member] Hotels, Media & Platform Experiences and dining segment. Experiences & Dining Segment Experiences And Dining Segment [Member] Other All Other Segments [Member] Total Revenue Accounts receivable Accounts Receivable Net Current Contract assets Contract With Customer Asset Net Current Total Incremental allowance for expected uncollectible amounts of accounts receivable and contract assets, including estimated future losses in consideration of the impact of COVID-19 pandemic on the economy. Incremental allowance for expected credit losses on accounts receivable and contract assets Incremental Allowance For Expected Uncollectible Amounts Of Accounts Receivable And Contract Assets Contract with customer liability revenue refunded. Deferred revenue Revenue recognized Contract With Customer Liability Revenue Recognized Contract with customer revenue refunded due to cancellations Contract With Customer Liability Revenue Refunded Numerator: Net Income Loss [Abstract] Denominator: Weighted Average Number Of Shares Outstanding Basic [Abstract] Weighted average shares used to compute Basic EPS Weighted average effect of dilutive securities: Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract] Stock options Incremental Common Shares Attributable To Share Based Payment Arrangements RSUs/MSUs Incremental Common Shares Attributable To Contingently Issuable Shares Weighted average shares used to compute Diluted EPS Basic EPS Diluted EPS Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Stock options, service and performance-based restricted stock units (“RSUs”) and market-based restricted stock units (“MSUs”), Stock Options, RSUs and MSUs Stock Options Service And Performance Based Restricted Stock Units And Market Based Restricted Stock Units [Member] Certain Performance-Based Awards Performance Shares [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Maximum Maximum [Member] Minimum Minimum [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Total stock-based compensation expense Income tax benefit from stock-based compensation Employee Service Share Based Compensation Tax Benefit From Compensation Expense Total stock-based compensation expense, net of tax Allocated Share Based Compensation Expense Net Of Tax Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Stock Options Employee Stock Option [Member] Other Long-term Liabilities Other Noncurrent Liabilities [Member] Accounts receivable and contract assets. Restricted Stock Units Accounts Receivable And Contract Assets [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Employees Employee Stock [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Capitalized stock based compensation as internal-use software and website development costs Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount Options Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward Options Outstanding, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Options Outstanding, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Options Outstanding, Exercised Options Outstanding, Cancelled or expired Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Options Outstanding, Ending balance Options Outstanding, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Options Outstanding, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Weighted Average Exercise Price per share Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward Options Outstanding, Weighted Average Exercise Price, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Options Granted, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Options Exercised, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Options Cancelled or expired, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price Options Outstanding, Weighted Average Exercise Price, Ending balance Options Exercisable, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Options Vested and expected to vest, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Weighted Average Remaining Contractual Life and Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract] Options Outstanding, Weighted Average Remaining Contractual Life Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Options Exercisable, Weighted Average Remaining Contractual Life Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Options Vested and expected to vest, Weighted Average Remaining Contractual Life Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Options Outstanding, Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Options Exercisable, Aggregate Intrinsic Value Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Options Vested and expected to vest, Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Closing stock price Share Price Total 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) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 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 Weighted-average grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Total fair value of stock options vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 Restricted Stock Units Restricted Stock Units R S U [Member] RSUs outstanding Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward Unvested outstanding, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Unvested RSUs, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Unvested RSUs, Vested and released Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Unvested RSUs, Cancelled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Unvested outstanding, Ending balance 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 Unvested outstanding, Weighted Average Grant-Date Fair Value Per Share, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted Average Grant-Date Fair Value Per Share, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted Average Grant-Date Fair Value Per Share, Vested and released Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted Average Grant-Date Fair Value Per Share, Cancelled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Unvested outstanding, Weighted Average Grant-Date Fair Value Per Share, Ending balance Aggregate Intrinsic Value Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value [Abstract] Unvested RSUs outstanding, Aggregate Intrinsic Value Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Nonvested RSUs withheld to satisfy withholding tax requirements Shares Paid For Tax Withholding For Share Based Compensation Share-based compensation arrangement by share-based payment award target payment. Calculation price based on the average stock price of the last ten trading days. Target payment Share Based Compensation Arrangement By Share Based Payment Award Target Payment Number of Average Trading Days Number Of Trading Days Average Accrued bonus Accrued Bonuses Current And Noncurrent Total stock-based compensation expense Stock award modification term Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Description And Terms Term of stock options, grant-date vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 MSUs MSUs outstanding Unvested MSUs, Granted Unvested MSUs, Vested and released Unvested MSUs, Cancelled Unvested MSUs outstanding, Aggregate Intrinsic Value Percentage of originally granted shares that may be earned upon performance achievement, maximum. Percentage of originally granted shares that may be earned upon performance achievement, minimum. Performance measurement period start date. Performance measurement period end date. Percentage of originally granted shares that may be earned upon performance achievement, maximum Percentage Of Originally Granted Shares That May Be Earned Upon Performance Achievement Maximum Percentage of originally granted shares that may be earned upon performance achievement, minimum Percentage Of Originally Granted Shares That May Be Earned Upon Performance Achievement Minimum Stock awards vesting term Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights Performance measurement period start date Performance Measurement Period Start Date Performance measurement period end date Performance Measurement Period End Date End of requisite service period for share based compensation arrangement. Requisite service period for estimated grant-date fair value of stock awards Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Date Income tax benefits associated with exercise settlement of stock based awards. Income tax benefits from exercise or settlement of stock-based awards Income Tax Benefits Associated With Exercise Settlement Of Stock Based Awards Unrecognized compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Weighted average period remaining (in years) Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Restricted stock units/market based restricted stock units. RSUs/MSUs Restricted Stock Units And Market Based Restricted Stock Units [Member] Unrecognized compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Investments Debt And Equity Securities [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 2 Fair Value Inputs Level2 [Member] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Sales Sales Revenue Net [Member] Customer Major Customers [Axis] Customer Name Of Major Customer [Domain] Expedia. Expedia Expedia [Member] Booking. Booking Booking [Member] Expedia and Booking. Expedia and Booking Expedia And Booking [Member] Investment, Name Schedule Of Equity Method Investment Equity Method Investee Name [Axis] Investment, Name Equity Method Investee Name [Domain] Chelsea Investment Company PTE, Holding Ltd. Chelsea Investment Holding Company PTE, Ltd Chelsea Investment Holding Company P T E Ltd [Member] Non marketable investments. Non-Marketable Investments Non Marketable Investments [Member] Receivable Type Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] Receivable Receivable Type [Domain] Other long-term receivable. Other Long-Term Assets Other Long Term Receivable [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] Short-term marketable securities outstanding Marketable Securities Current Long-term marketable securities outstanding Marketable Securities Noncurrent Net gain related to forward contracts Derivative Gain Loss On Derivative Net Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Hedging Designation Hedging Designation [Axis] Hedging Designation Hedging Designation [Domain] Not Designated as Hedging Instrument Nondesignated [Member] Derivative Instrument Derivative Instrument Risk [Axis] Derivative Contract Derivative Contract Type [Domain] Foreign Exchange-forward Contracts Foreign Exchange Contract [Member] Derivatives Fair Value [Line Items] Derivatives Fair Value [Line Items] Derivative instruments not designated as hedging instruments, description of terms Derivative Instruments Not Designated As Hedging Instruments Purpose Foreign currency exchange - forward contracts Derivative Notional Amount Number of outstanding derivatives contracts. Outstanding derivatives not designated as hedging instruments maximum maturity period. Number of outstanding derivatives contracts Number Of Outstanding Derivatives Contracts Maximum maturity period of outstanding derivatives are not designated as hedging instruments Outstanding Derivatives Not Designated As Hedging Instruments Maximum Maturity Period Estimated fair value of the outstanding senior notes Notes Payable Fair Value Disclosure Senior notes, carrying value Debt instrument, issuances costs Deferred Finance Costs Net Customer concentration risk Concentration Risk Percentage1 Foreign exchange contracts translation maximum maturity period. Foreign currency exchange contracts maturity period, maximum Foreign Exchange Contracts Translation Maximum Maturity Period Equity method investment, ownership percentage Equity Method Investment Ownership Percentage Equity method investments Equity Method Investments Earnings (losses) from equity method investment, net Income Loss From Equity Method Investments Impairment loss on equity method investments Equity Method Investment Other Than Temporary Impairment Equity securities without readily determinable fair value Equity Securities Without Readily Determinable Fair Value Amount Redemption value of shares in return for collateralized note receivable Redeemable Noncontrolling Interest Equity Common Redemption Value Percentage of notes receivable due in 5 Years. Percentage of notes receivable due in ten years. Redeemable noncontrolling interest, settlement amount Redeemable Noncontrolling Interest Equity Redemption Value Percentage of notes receivable due in 5 years Percentage Of Notes Receivable Due In Five Years Percentage of notes receivable due in 10 years Percentage Of Notes Receivable Due In Ten Years Allowance for credit loss under ASC 326 Allowance For Notes And Loans Receivable Current Net of accumulated allowance for credit losses, Carrying value Notes And Loans Receivable Net Current Schedule Of Goodwill [Table] Schedule Of Goodwill [Table] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] China Reporting Unit CHINA Goodwill [Line Items] Goodwill [Line Items] Number of distinct reporting units Number Of Reporting Units Goodwill, impairment loss Represents the reallocation of goodwill due to restructuring of reporting units. Goodwill disposed during period. Consolidation Items Consolidation Items [Axis] Consolidation Items Consolidation Items [Domain] Operating Segments Operating Segments [Member] Hotels media and platform. Hotels, Media & Platform Hotels Media And Platform [Member] Balance as of December 31, 2019 Re-allocation of goodwill Goodwill Allocation To New Segment Impairment Disposition Goodwill Disposed During Period Foreign currency translation adjustments Goodwill Foreign Currency Translation Gain Loss Other adjustments Goodwill Other Increase Decrease Balance as of September 30, 2020 Line of credit facility extended maturity date. Minimum liquidity maintained under credit facility. Debt Instrument [Table] Debt Instrument [Table] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] First Amendment. First Amendment First Amendment [Member] Second Amendment Second Amendment Second Amendment [Member] Letter of Credit Letter Of Credit [Member] Borrowings on same-day notice. Borrowings On Same Day Notice Borrowings On Same Day Notice [Member] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] LIBOR London Interbank Offered Rate L I B O R [Member] Accrued expenses and other current liabilities. Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Borrowing capacity under Credit Facility Line Of Credit Facility Maximum Borrowing Capacity Credit facility, maturity date Line Of Credit Facility Expiration Date1 Credit facility, extended maturity date Line Of Credit Facility Extended Maturity Date Credit Facility, description Line Of Credit Facility Description Minimum liquidity required Minimum Liquidity Maintained Under Credit Facility Credit facility, expiration period Line Of Credit Facility Expiration Period Letters of credit outstanding amount Letters Of Credit Outstanding Amount Outstanding borrowings Line Of Credit Debt instrument, net proceeds Proceeds From Debt Net Of Issuance Costs Basis spread on variable rate Debt Instrument Basis Spread On Variable Rate1 Floor Interest Rate Debt Instrument Interest Rate During Period Line Of Credit Facility Unused Capacity Commitment Fee Percentage Line Of Credit Facility Unused Capacity Commitment Fee Percentage Total interest expense and commitments fees Unpaid interest and commitment fees Interest Payable Current Lender fees and debt financing costs capitalized Debt instrument date of first required payment of interest. Debt instruments purchase agreement date. Debt Instrument, Redemption, Period Debt Instrument Redemption Period [Axis] Debt Instrument, Redemption, Period Debt Instrument Redemption Period [Domain] Before July 15, 2022 Debt Instrument Redemption Period One [Member] Until 120 Days After Issue Debt Instrument Redemption Period Two [Member] Debt instrument, issuance date Debt Instrument Issuance Date1 Debt instrument, interest rate Debt Instrument Interest Rate Stated Percentage Debt Instrument, date of first required payment of interest Debt Instrument Date Of First Required Payment Of Interest Debt Instrument, maturity date Debt Instrument Maturity Date Debt instruments purchase agreement date Debt Instruments Purchase Agreement Date Debt instrument issued price percentage of principal amount repurchased. Debt instrument redemption period. Debt instruments outstanding percentage. Debt instrument, redemption, description Debt Instrument Redemption Description Debt Instrument, redemption price, percentage of principal amount redeemed Debt Instrument Redemption Price Percentage Of Principal Amount Redeemed Debt instrument, redemption price, percentage Debt Instrument Redemption Price Percentage Debt instrument redemption period Debt Instrument Redemption Period Debt instruments outstanding percentage Debt Instruments Outstanding Percentage Debt instruments offer to purchase percentage of principal amount repurchased Debt Instrument Issued Price Percentage Of Principal Amount Repurchased Outstanding debt Debt Instrument Carrying Amount Unpaid interest in accrued expenses and other current liabilities Interest expense Chinese credit facility. Chinese Credit Facility Chinese Credit Facility [Member] Chinese credit facility boa. Chinese Credit Facility Boa Chinese Credit Facility Boa [Member] Period of credit facility Income taxes. Income taxes. Income Taxes [Table] Income Taxes [Table] Income Tax Authority, Name Income Tax Authority Name [Axis] Income Tax Authority, Name Income Tax Authority Name [Domain] IRS Internal Revenue Service I R S [Member] Tax Period Tax Period [Axis] Tax Period Tax Period [Domain] Tax years 2009 through 2016. Tax Years 2009 through 2016 Tax Years2009 Through2016 [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income tax expense (benefit) Income tax rate differential benefit amount Income Tax Reconciliation State And Local Income Taxes Accrued interest liability Unrecognized Tax Benefits Interest On Income Taxes Accrued Accrued penalties Unrecognized Tax Benefits Income Tax Penalties Accrued Estimated potential increase in income tax expense for tax years of 2009, 2010, 2011, 2012, 2013,2014, 2015 and 2016 IRS audits based on received NOPA's from IRS. Increase in income tax expense due to proposed adjustments related to transfer pricing with foreign subsidiary, estimated Tax Adjustments Increase Decrease In Income Tax Expense Cumulative income tax expense recorded upon non-company related litigation Tax Adjustments Settlements And Unusual Provisions Accrued salary, bonus, and related benefits Employee Related Liabilities Current Accrued marketing costs Accrued Marketing Costs Current Accrued interest payable Current income tax payables Accrued Income Taxes Current Finance lease liability - current portion Finance Lease Liability Current Operating leases liability - current portion Operating Lease Liability Current Restructuring and other related reorganization costs Restructuring Reserve Current Other Other Accrued Liabilities Current Total Accrued expenses and other current liabilities. Accrued expenses and other current liabilities. Accrued Expenses And Other Current Liabilities [Table] Accrued Expenses And Other Current Liabilities [Table] Restructuring Type Restructuring Cost And Reserve [Axis] Type of Restructuring Type Of Restructuring [Domain] Employee Severance and Related Benefits Employee Severance [Member] Accrued Expenses and Other Current Liabilities [Line Items] Accrued Expenses And Other Current Liabilities [Line Items] Pre-tax restructuring and other related reorganization costs Restructuring And Related Activities [Abstract] Schedule Of Restructuring And Related Costs [Table] Schedule Of Restructuring And Related Costs [Table] Restructuring and other related reorganization costs. Restructuring and Other Related Reorganization Costs Restructuring And Other Related Reorganization Costs [Member] Restructuring Cost And Reserve [Line Items] Restructuring Cost And Reserve [Line Items] Accrued liability as of December 31, 2019 Charges Restructuring Charges Payments Payments For Restructuring Accrued liability as of September 30, 2020 Commitment and contingencies. Commitment and contingencies. Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Repurchase of common stock, shares Aggregate cost of shares repurchased, common stock Average price of shares repurchased, common stock Treasury Stock Acquired Average Cost Per Share Remaining authorized share repurchased amount Stock Repurchase Program Remaining Authorized Repurchase Amount1 Aggregate cost of treasury stock Schedule Of Segment Reporting Information By Segment [Table] Schedule Of Segment Reporting Information By Segment [Table] Corporate and Unallocated Corporate Non Segment [Member] Other Segments. Other Other Segments [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenue Adjusted EBITDA Adjusted Earnings Before Interest Taxes Depreciation And Amortization Depreciation and amortization Stock-based compensation Restructuring and other related reorganization costs Impairment of goodwill Other income (expense), net (Provision) benefit for income taxes Advertising expense Advertising Expense Foreign currency exchange gain (loss), net Foreign Currency Transaction Gain Loss Before Tax Earnings (losses) from equity method investment, net Loss on sale/disposal of business Gain Loss On Sale Of Business Other, net Other Operating Income Expense Net Total 一本大道香蕉中文在线视频_日本熟妇高清无码视频_国产美女精品自在线拍