Accounts Payable Current Accounts payable, other Accounts Payable Merchant. Accounts Payable Merchant Accounts payable, merchant Accounts Receivable Net Current Accounts receivable, net of allowance of $9,428 and $7,959 Accrual related to court decisions and final settlements related to hotel occupancy taxes. Accrual Related To Court Decisions And Final Settlements Accrual related to court decisions and final settlements related to hotel occupancy taxes Accrued Interest Senior Notes Accrued Interest Senior Notes Accrued interest related to senior notes Accrued Liabilities Current Accrued expenses and other current liabilities Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Acquired Finite Lived Intangible Assets Weighted Average Useful Life Weighted average life of acquired intangible assets Additional Ownership Interest Purchased Price Additional Ownership Interest Purchased Price Additional ownership interest purchased price Additional Paid In Capital Additional paid-in capital Adjusted earnings before income tax depreciation amortization Adjusted Earnings Before Income Tax Depreciation Amortization Adjusted EBITDA Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income from continuing operations to net cash provided by operating activities: Allowance For Doubtful Accounts Receivable Current Accounts receivable, allowance Amendment Flag Amendment Flag Amortization Of Intangible Assets Amortization of intangible assets Amortization of intangible assets Assets TOTAL ASSETS Assets [Abstract] ASSETS Assets Current Total current assets Total current assets Assets Current [Abstract] Current assets: Assets Of Disposal Group Including Discontinued Operation Current Current assets of discontinued operations Available For Sale Securities Current Available for sale investments, short-term Availableforsale Securities Gross Unrealized Gain Gross unrealized gains Available For Sale Securities Gross Unrealized Losses 1 Gross unrealized losses Available For Sale Securities Noncurrent Available for sale investments, long-term Bank Time Deposits [Member] Bank Time Deposits Basis points added to LIBOR rate. Basis Points Added To Libor Rate Basis points added to LIBOR rate Basis points on undrawn amounts Basis Points On Undrawn Amounts Basis points on undrawn amounts Board Of Directors Chairman [Member] Board of Directors Chairman Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition Purchase Price Allocation Amortizable Intangible Assets Intangible assets with definite lives Business Acquisition Purchase Price Allocation Assets Acquired Liabilities Assumed Net Total Business Acquisition Purchase Price Allocation Goodwill Amount Goodwill Business Acquisition, Purchase Price Allocation, Other Assets Acquired Liabilities Assumed, Net Business Acquisition Purchase Price Allocation Other Assets Acquired Liabilities Assumed Net Net liabilities Cash Acquired From Acquisition Business 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 period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Net increase in cash and cash equivalents Changes from net income attributable to Parent and transfers (to) from noncontrolling interests Changes From Net Income Attributable To Parent And Transfers From To Noncontrolling Interests Change from net income attributable to Expedia, Inc. and transfers from noncontrolling interest Class B Common Stock [Member] Class B Common Stock [Member] Class B Common Stock Class Of Stock [Domain] Class of Stock [Domain] Class of Warrant or Right, Exercised in Period Class Of Warrant Or Right Exercised In Period Privately held warrants exercised Combined voting power of outstanding capital stock controlled. Combined Voting Power Of O S Capital Stock Combined voting power Commitments And Contingencies Commitments and contingencies Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Class B [Member] Common Class B Common stock acquired in exercise of warrants. Common Stock Acquired In Exercise Of Warrants Common stock acquired in exercise of warrants Common Stock Dividends Per Share Cash Paid Dividend Per Share Dividends per share Common Stock Dividends Per Share Declared Dividends declared per common share Common Stock [Member] Common Stock Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, Authorized Common Stock Shares Issued Common stock, Shares issued Common Stock Shares Outstanding Common stock, Shares outstanding Common Stock Value Common stock Comprehensive Income Net Of Tax Comprehensive income attributable to Expedia, Inc. Comprehensive income attributable to Expedia, 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 Condensed Consolidating Reporting Information, Other Income expense Net Condensed Consolidating Reporting Information Other Income Expense Net Other, net Condensed Financial Statements Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements [Text Block] Guarantor and Non-Guarantor Supplemental Financial Information Consolidation Eliminations [Member] Consolidation, Eliminations Corporate Debt Securities [Member] Corporate Debt Securities Corporate [Member] Corporate Cost Of Revenue Cost of revenue Costs And Expenses [Abstract] Costs and expenses: Creation Date [Axis] Report Date [Axis] Credit Facility [Member] Credit Facility [Member] Credit Facility Current Fiscal Year End Date Current Fiscal Year End Date Debt Disclosure [Text Block] Debt Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Carrying Amount Senior unsecured notes principal amount Debt Instrument Face Amount Senior unsecured notes principal amount Debt Instrument Fair Value Fair value of senior notes Debt Instrument Interest Rate Stated Percentage Senior notes, interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Senior notes, maturity date Debt Instrument Maturity Date Year Debt Instrument Maturity Date Year Senior notes, maturity date Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instruments Maturity Date Month and Year Debt Instruments Maturity Date Month And Year Senior notes, maturity date Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Default Financial Statements Date [Member] Financial Statements Date [Domain] Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits By Title Of Individual [Axis] Deferred Bonus and Profit Sharing Plan by Title of Individual [Axis] Deferred Income Tax Expense Benefit Deferred income taxes Deferred Merchant Bookings. Deferred Merchant Bookings Deferred merchant bookings Deferred Revenue Current Deferred revenue Deferred Tax Liabilities Noncurrent Deferred income taxes, net Depreciation Depreciation of property and equipment, including internal-use software and website development Depreciation Disclosure - Acquisitions and Dispositions - Additional Information [Abstract] Disclosure Acquisitions And Dispositions Additional Information [Abstract] Disclosure - Acquisitions and Dispositions - Additional Information [Abstract] Disclosure - Basic and Diluted Earnings Per Share [Abstract] Disclosure Basic And Diluted Earnings Per Share [Abstract] Disclosure - Basic and Diluted Earnings Per Share [Abstract] Disclosure - Basis of Presentation - Additional Information [Abstract] Disclosure Basis Of Presentation Additional Information [Abstract] Disclosure - Basis of Presentation - Additional Information [Abstract] Disclosure - Commitments and Contingencies - Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure - Commitments and Contingencies - Additional Information [Abstract] Disclosure - Debt - Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure - Debt - Additional Information [Abstract] Disclosure - Effects of Changes in Noncontrolling Interest [Abstract] Disclosure Effects Of Changes In Noncontrolling Interest [Abstract] Disclosure - Effects of Changes in Noncontrolling Interest [Abstract] Disclosure - Fair Value Measurements - Additional Information [Abstract] Disclosure Fair Value Measurements Additional Information [Abstract] Disclosure - Fair Value Measurements - Additional Information [Abstract] Disclosure - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis [Abstract] Disclosure Financial Assets And Liabilities Measured At Fair Value On Recurring Basis [Abstract] Disclosure - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure - Long Term Debt Outstanding [Abstract] Disclosure Long Term Debt Outstanding [Abstract] Disclosure - Long Term Debt Outstanding [Abstract] Disclosure - Related Party Transactions - Additional Information [Abstract] Disclosure Related Party Transactions Additional Information [Abstract] Disclosure - Related Party Transactions - Additional Information [Abstract] Disclosure - Schedule of Balance Sheet Information [Abstract] Disclosure Schedule Of Balance Sheet Information [Abstract] Disclosure - Schedule of Balance Sheet Information [Abstract] Disclosure - Schedule of Cash Flow Statement Information [Abstract] Disclosure Schedule Of Cash Flow Statement Information [Abstract] Disclosure - Schedule of Cash Flow Statement Information [Abstract] Disclosure - Schedule of Revenue and Income for Discontinued Operations [Abstract] Disclosure Schedule Of Revenue And Income For Discontinued Operations [Abstract] Disclosure - Schedule of Revenue and Income for Discontinued Operations [Abstract] Disclosure - Schedule of Statement of Operations Information [Abstract] Disclosure Schedule Of Statement Of Operations Information [Abstract] Disclosure - Schedule of Statement of Operations Information [Abstract] Disclosure - Segment Information [Abstract] Disclosure Segment Information [Abstract] Disclosure - Segment Information [Abstract] Disclosure - Segment Information - Additional Information [Abstract] Disclosure Segment Information Additional Information [Abstract] Disclosure - Segment Information - Additional Information [Abstract] Disclosure - Stockholders Equity - Additional Information [Abstract] Disclosure Stockholders Equity Additional Information [Abstract] Disclosure - Stockholders Equity - Additional Information [Abstract] Disclosure - Summary of Dividends Declared [Abstract] Disclosure Summary Of Dividends Declared [Abstract] Disclosure - Summary of Dividends Declared [Abstract] Disclosure - Summary of Fair Value of Assets Acquired and Liabilities Assumed in Conjunction with Acquisition [Abstract] Disclosure Summary Of Fair Value Of Assets Acquired And Liabilities Assumed In Conjunction With Acquisition [Abstract] Disclosure - Summary of Fair Value of Assets Acquired and Liabilities Assumed in Conjunction with Acquisition [Abstract] Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax Income (loss) before income taxes Discontinued Operation Tax Effect Of Discontinued Operation Provision for income taxes Dismissal findings. Dismissal Based On Finding Not Subject To Tax Number of dismissals based on finding that defendant was not subject to local hotel occupancy tax or the local government lacked standing to pursue claims Disposal Group Including Discontinued Operation Revenue Revenue Dividend Declared [Member] Dividend Declared Dividend Payable Date To Be Paid Day Month And Year Dividends payable date Dividends Declared, Date Paid, Month, Day and Year. Dividends Declared Date Paid Month Day And Year Payment Date The aggregate amount of dividends paid during the period. Dividends Paid Amount Total Amount Dividends Payable Date Declared Day Month And Year Declaration Date Dividends declaration date Dividends Payable Date Of Record Day Month And Year Dividends record date Record Date Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Document - Document and Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document - Document and 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 Due To Related Parties Current Net amounts payable Earnings Per Share [Abstract] Earnings (loss) per share: Earnings per share attributable to Expedia, Inc. available to common stockholders: Earnings Per Share Basic Basic Earnings Per Share Basic And Diluted [Abstract] Earnings per share from continuing operations attributable to Expedia, Inc. available to common stockholders: Earnings Per Share Basic Other Disclosures [Abstract] Earnings per share from continuing operations attributable to Expedia, Inc. available to common stockholders: Earnings Per Share Diluted Diluted Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Table] Earnings Per Share Disclosure [Table] Earnings Per Share Disclosure [Table] Earnings Per Share [Text Block] Earnings Per Share Effective Income Tax Rate Continuing Operations Effective Income Tax Rate, Continuing Operations Effect Of Exchange Rate On Cash And Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Egencia [Member] Egencia [Member] Egencia Eight Point Five Percent Senior Notes Due On Two Zero One Six [Member] Eight Point Five Percent Senior Notes Due On Two Zero One Six [Member] 8.5% Senior Notes Due 2016 Eligible Item Or Group For Fair Value Option [Axis] Eligible Item or Group for Fair Value Option [Axis] eLong [Member] Elong [Member] Elong Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity Method Investments Investment in subsidiaries Excess Tax Benefit From Share Based Compensation Financing Activities Excess tax benefit on equity awards Extinguishment Of Debt Gain Loss Income Tax Tax benefit related to loss on the extinguishment of debt Extinguishment Of Debt Gain Loss Net Of Tax Loss from early extinguishment of debt, net of tax 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 Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Assets Measured On Recurring Basis Cash Equivalents Fair Value Assets Measured On Recurring Basis Cash Equivalents Cash equivalents Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Inputs Level 1 [Member] Fair Value, Inputs, Level 1 Fair Value Inputs Level 2 [Member] Fair Value, Inputs, Level 2 Fair Value Measurement Inputs Disclosure [Text Block] Fair Value Measurements Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Option Eligible Item Or Group [Domain] Fair Value, Option, Eligible Item or Group [Domain] Five Point Nine Five Percent Senior Notes Due On Two Zero Two Zero [Member] Five Point Nine Five Percent Senior Notes Due On Two Zero Two Zero [Member] 5.95% Senior Notes Due 2020 Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value Foreign currency forward contracts, Assets Net forward asset Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value Foreign currency forward contracts, Liabilities Net forward liability Foreign Exchange Forward [Member] Foreign Exchange Forward Foreign Exchange Gain Loss On Cash Cash Equivalents And Short Term Investments Net Foreign Exchange Gain Loss On Cash Cash Equivalents And Short Term Investments Net Foreign exchange (gain) loss on cash, cash equivalents and short-term investments, net Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Net gains (losses) from foreign currency forward contracts Gain Loss On Sale Of Derivatives Realized (gain) loss on foreign currency forwards Gains Losses On Extinguishment Of Debt Loss from early extinguishment of debt, pre-tax General And Administrative Expense General and administrative Goodwill Goodwill Guarantor Subsidiaries [Member] Guarantor Subsidiaries Income Amounts Attributable To Reporting Entity Disclosures [Abstract] Amounts attributable to Expedia, Inc.: Income Loss From Continuing Operations Income from continuing operations Income from continuing operations attributable to Expedia, Inc. Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income before income taxes Income from continuing operations before income taxes Income from continuing operations before income taxes Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest Income from continuing operations Income from continuing operations Net income from continuing operations Income Loss From Continuing Operations Per Basic Share Basic Income Loss From Continuing Operations Per Diluted Share Diluted Income Loss From Discontinued Operations Net Of Tax Discontinued operations, net of taxes Net income (loss) Less: Discontinued operations, net of tax Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest Net income attributable to noncontrolling interest Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity Discontinued operations, net of taxes Net income (loss) attributable to discontinued operations Income Loss From Discontinued Operations Net Of Tax Per Basic Share Basic Income Loss From Discontinued Operations Net Of Tax Per Diluted Share Diluted Income Loss From Equity Method Investments Equity in pre-tax earnings of consolidated subsidiaries Income Statement [Abstract] Income Statement [Abstract] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Disclosure [Text Block] Income Taxes Income Taxes Paid Net Income tax payments (refunds), net from continuing operations Income Tax Expense Benefit Provision for income taxes Increase Decrease In Accounts Payable Merchant. Increase Decrease In Accounts Payable Merchant Accounts payable, merchant Increase Decrease In Accounts Receivable Accounts receivable Increase Decrease In Deferred Merchant Bookings. Increase Decrease In Deferred Merchant Bookings Deferred merchant bookings Increase Decrease In Deferred Revenue Deferred revenue Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities, net of effects from acquisitions: Increase Decrease In Other Accounts Payable And Accrued Liabilities Accounts payable, other, accrued expenses and other current liabilities Increase Decrease In Prepaid Expense Prepaid expenses and other current assets Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options using the treasury stock method. Incremental Common Shares Attributable To Call Options Options to purchase common stock Incremental Common Shares Attributable to Other Dilutive Securities Incremental Common Shares Attributable To Other Dilutive Securities Other dilutive securities Intangible Assets Net Excluding Goodwill Intangible assets, net Intercompany income expense net Intercompany Income Expense Net Intercompany (income) expense, net Interest Expense Interest expense Interest Paid Cash paid for interest from continuing operations Investment Income Interest Interest income Investments And Other Noncurrent Assets Long-term investments and other assets Investments Fair Value Disclosure Investments Investments In And Advances To Affiliates Categorization [Axis] Investments in and Advances to Affiliates Categorization [Axis] Investments In And Advances To Affiliates Categorization [Domain] Investments in and Advances to Affiliates Categorization [Domain] Investments In Majority Owned Subsidiaries [Member] Balance held by majority-owned subsidiaries Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Member] Investment Type Categorization [Domain] Investment Warrants Exercise Price Weighted average exercise price of warrants Legal Entity [Axis] Legal Entity [Axis] Legal Reserves Occupancy Tax And Other Legal Reserves Occupancy Tax And Other Legal reserves, occupancy tax and other Legal reserves, occupancy tax and other Leisure [Member] Leisure [Member] Leisure Letters Of Credit Outstanding Amount Letters of credit issued under the credit facility Liabilities And Stockholders Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Current Total current liabilities Total current liabilities Liabilities Current [Abstract] Current liabilities: Liabilities Of Disposal Group Including Discontinued Operation Current Current liabilities of discontinued operations Line Of Credit Facility [Axis] Lender Name [Axis] Line Of Credit Facility Commitment Fee Description Commitment fee on undrawn amounts Line of Credit Facility Expiration Dates Line Of Credit Facility Expiration Dates Line of credit facility, expiration date Line Of Credit Facility Interest Rate Description Interest, on drawn amount Line Of Credit Facility Lender [Domain] Line of Credit Facility, Lender [Domain] Line Of Credit Facility Maximum Borrowing Capacity Unsecured revolving credit facility Long term debt maturities repayments of principal plus a make-whole premium as of, and accrued and unpaid interest to, the redemption date. Long Term Debt Maturities Repayments Of Principal And Accrued Interest On Notes Redemption of senior notes and accrued interest on senior notes Long Term Debt Noncurrent Long-term debt Loss Contingencies [Line Items] Loss Contingencies [Line Items] Number of municipal lawsuits dismissed to date Loss Contingencies Number Of Dismissed Cases Number of lawsuits dismissed to date Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Accrual At Carrying Value Reserve for potential settlement of issues related to hotel occupancy taxes Loss Contingency Damages Sought Value Tax assessments including interest and penalties This element represents the number of lawsuits in which the reporting entity was involved. Loss Contingency Number Of Lawsuits Number of lawsuits filed by cities, counties and states involving hotel occupancy taxes Loss contingency number of lawsuits currently active. Loss Contingency Number Of Lawsuits Currently Active Number of lawsuits currently active Mergers Acquisitions And Dispositions Disclosures [Text Block] Acquisitions and Dispositions Minority Interest Noncontrolling interest Noncontrolling Interest, Change in Stock Issuance Shares Minority Interest Increase From Stock Issuance Shares Additional ownership interest purchased, shares Minority Interest [Line Items] Noncontrolling Interest [Line Items] Minority Interest Ownership Percentage By Noncontrolling Owners Additional ownership interest purchased, percent Minority Interest Ownership Percentage By Parent Ownership interest percentage Minority Interest Period Increase Decrease Net increase in Expedia, Inc.'s paid-in capital for newly issued eLong shares Minority Interest [Table] Noncontrolling Interest [Table] Money Market Funds [Member] Money Market Funds Net Cash Provided By Used In Continuing Operations Net cash provided by (used in) continuing operations Net cash provided by continuing operations Net Cash Provided By Used In Discontinued Operations Net cash provided by (used in) discontinued operations Net cash provided by discontinued operations Net Cash Provided By Used In Financing Activities [Abstract] Financing activities: Net Cash Provided By Used In Financing Activities Continuing Operations Net cash provided by (used in) financing activities from continuing operations Net Cash Provided By Used In Investing Activities [Abstract] Investing activities: Net Cash Provided By Used In Investing Activities Continuing Operations Net cash used in investing activities from continuing operations Net Cash Provided By Used In Operating Activities [Abstract] Operating activities: Net Cash Provided By Used In Operating Activities Continuing Operations Net cash provided by operating activities from continuing operations Net cash provided by operating activities from continuing operations Net Income Loss Net income attributable to Expedia, Inc. Net income attributable to Expedia, Inc. Net Income Loss Attributable To Noncontrolling Interest Net income attributable to noncontrolling interests Non Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Nonoperating Income Expense Other expense, net Total other expense, net Nonoperating Income Expense [Abstract] Other income (expense): Notional Amount Of Foreign Currency Derivatives Notional amount of foreign currency derivatives Occupancy Tax Audits and Assessment Tax Payment (Refund) Occupancy Tax Audits And Assessment Tax Payment Refund Occupancy tax assessments tax payment (refund) Operating Income Loss Operating income Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Basis of Presentation Other Assets Other assets, net Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Currency translation adjustments Other Comprehensive Income Loss Net Of Tax Other comprehensive income (loss), net of tax Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive income (loss), net of tax Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Unrealized gains (losses) on available for sale securities, net of taxes Other Financing Activities Other Financing Activities Other, net Other Investing Activities Other Investing Activities Other, net Other Liabilities Other liabilities Other Liabilities Noncurrent Other long-term liabilities Other Noncash Income Expense Other Other Nonoperating Income Expense Other, net Other Travel Media Brands Other Travel Media Brands Other travel media brands from spin-off Parent Company [Member] Parent Company Payments For Proceeds From Derivative Instrument Financing Activities Net settlement of foreign currency forwards Payments For Proceeds From Other Investing Activities Other, net Payments For Repurchase Of Common Stock Treasury stock activity Payments Of Dividends Payment of dividends to stockholders Payments To Acquire Businesses Net Of Cash Acquired Acquisitions, net of cash acquired Payments To Acquire Investments Purchases of investments Payments To Acquire Property Plant And Equipment Capital expenditures, including internal-use software and website development Percentage of board members to be elected by separate class vote. Percentage Of Board Members To Be Elected By Separate Class Vote Percentage of board members to be elected by separate class votes Percentage Of Operating Income Percentage Of Operating Income Acquired business operating income percentage of total operating income Percentage Of Redemption Price Percentage Of Redemption Price Percentage of redemption price Percentage Of Total Revenue Percentage Of Total Revenue Acquired business revenue percentage of total revenue Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Proceeds From Issuance Or Sale Of Equity Proceeds from exercise of equity awards Proceeds From Payments For Other Financing Activities Other, net Proceeds From Payments To Minority Shareholders Purchase of additional interests in controlled subsidiaries, net Purchases of additional interests in controlled subsidiaries, net Proceeds From Repayments Of Restricted Cash Financing Activities Changes in restricted cash and cash equivalents Proceeds From Sale And Maturity Of Other Investments Sales and maturities of investments Proceeds From Warrant Exercises Total proceeds from exercise of warrants Profit Loss Net income Net income Property Plant And Equipment Net Property and equipment, net Q1 2011 [Member] Q One Two Thousand Eleven [Member] Q1 2011 Q One Two Thousand Twelve [Member] Q One Two Thousand Twelve [Member] Q1 2012 Q Three Two Thousand Twelve [Member] Q Three Two Thousand Twelve [Member] Q Three Two Thousand Twelve Q2 2011 [Member] Q Two Two Thousand Eleven [Member] Q2 2011 Q Two Two Thousand Twelve [Member] Q Two Two Thousand Twelve [Member] Q2 2012 Realized (gain) loss on revenue hedges. Realized Gain Loss On Revenue Hedges Realized gain (loss) on revenue hedges Recently Adopted Accounting Pronouncements [Policy Text Block] Recently Adopted Accounting Pronouncements Policy [Text Block] Recently Adopted Accounting Pronouncements Redemption at option of Company Redemption At Option Of Company Redemption at option of Company Redemption at option of holder. Redemption At Option Of Holder Redemption at option of holder Related Party [Domain] Related Party [Domain] Related Party Selling And Marketing Expense Related Party Selling And Marketing Expense Related party, selling and marketing Related Party Transaction Amounts Of Transaction Amount paid to TripAdvisor Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transaction Other Revenues From Transactions With Related Party Revenue recognized related to agreements with TripAdvisor Related Party Transactions By Related Party [Axis] Related Party [Axis] Related Party Transactions Disclosure [Text Block] Related Party Transactions Senior notes redemption price percentage at the option of holder. Repayment Of Senior Debt Percentage Holder Option Senior notes redemption price percentage at the option of holder Restricted Cash And Cash Equivalents At Carrying Value Restricted cash and cash equivalents Retained Earnings Accumulated Deficit Retained earnings (deficit) Revenue Adjustment for Prior Period Revenue Adjustment For Prior Period Revenue adjustment for prior period Sales Revenue Net Revenue Schedule Of Balance Sheet Information [Table Text Block] Schedule Of Balance Sheet Information Table [Text Block] Schedule of Balance Sheet Information Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule Of Cash Flow Statement Information [Table Text Block] Schedule Of Cash Flow Statement Information Table [Text Block] Schedule of Cash Flow Statement Information Schedule Of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Schedule Of Debt Instruments [Text Block] Long Term Debt Outstanding Schedule of Disposal Groups, Including Discontinued Operations, Income Statement Disclosures [Table Text Block] Schedule Of Disposal Groups Including Discontinued Operations Income Statement Disclosures [Text Block] Schedule of Revenue And Income For Discontinued Operations Tabular disclosure of all or some of the information related to dividends declared and paid as of the financial reporting date. Schedule Of Dividends Declared [Text Block] Summary of Dividends Declared Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Basic and Diluted Earnings Per Share Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule Of Non Controlling Interest Table [Text Block] Schedule Of Non Controlling Interest Table [Text Block] Effects of Changes in Ownership Interest on Stockholders Equity Schedule Of Purchase Price Allocation Table [Text Block] Schedule of Purchase Price Allocation Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Segment Reporting Information By Segment [Text Block] Operating Segment Information Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Statement Of Operations Information [Table Text Block] Schedule Of Statement Of Operations Information Table [Text Block] Schedule of Statement of Operations Information Segment [Domain] Segment [Domain] Segment Reporting Disclosure [Text Block] Segment Information Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Segment Reporting Reportable Segments Segment Reporting Reportable Segments Number of reportable segments Selling And Marketing Expense Selling and marketing Senior Note Redemption Premium Senior Note Redemption Premium Redemption premium of senior note Senior Notes Issued Price Percentage Senior Notes Issued Price Percentage Senior notes issued price percentage Seven Point Four Five Six Percent Senior Notes Due On Two Zero One Eight [Member] Seven Point Four Five Six Percent Senior Notes Due On Two Zero One Eight [Member] 7.456% Senior Notes Due 2018 Share Based Compensation Amortization of stock-based compensation Stock-based compensation Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Cost Of Revenue Share Based Compensation Cost Of Revenue Stock-based compensation, Cost of revenue Share Based Compensation General And Administrative Expense Share Based Compensation General And Administrative Expense Stock-based compensation, General and administrative Share based Compensation Selling and Marketing Expense Share Based Compensation Selling And Marketing Expense Stock-based compensation, Selling and marketing Share based Compensation Technology and Content Expense Share Based Compensation Technology And Content Expense Stock-based compensation, Technology and content Short Term Investments Short-term investments Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Statement Business Segments [Axis] Business Segments [Axis] Statement Class Of Stock [Axis] Class of Stock [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Statement [Table] Statement [Table] Stockholders Equity Total Expedia, Inc. stockholders' equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest Stockholders' equity Total stockholders' equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract] Stockholders' equity: Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Authorized share repurchase Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased Shares authorized and remaining under the repurchase program Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Supplemental Cash Flow Information [Abstract] Supplemental cash flow information Technology and Content Expense. Technology And Content Expense Technology and content Tencent Holdings [Member] Tencent Holdings [Member] Tencent Holdings Text Block [Abstract] Text Block [Abstract] Time Deposits Time deposits, held by company's majority-owned subsidiaries Title Of Individual With Relationship To Entity [Domain] Title of Individual with Relationship to Entity [Domain] Trading Account Assets Fair Value Disclosure Total assets Trading Symbol Trading Symbol Transfers to from related parties Transfers To From Related Parties Transfers (to) from related parties Travel Companies [Member] Travel Companies [Member] Expedia, Hotels.com and Hotwire Treasury Stock Acquired Average Cost Per Share Average repurchase price per share Treasury Stock Shares Treasury stock - Common stock, Shares Treasury Stock Shares Acquired Stock repurchased, shares Treasury Stock Value Treasury stock - Common stock, at cost Shares: 64,550 and 55,597 Treasury Stock Value Acquired Cost Method Stock repurchased, value TripAdvisor Inc. [Member] Tripadvisor Inc [Member] TripAdvisor Inc. Various Commercial Agreements Maximum Term Various Commercial Agreements Maximum Term Various commercial agreement, maximum term in years Weighted Average Number Of Diluted Shares Outstanding Diluted Weighted average number of shares outstanding, Diluted Weighted Average Number Of Shares Outstanding [Abstract] Shares used in computing earnings per share: Weighted Average Number Of Shares Outstanding Basic Basic Weighted average number of shares outstanding, Basic Write Off Of Deferred Debt Issuance Cost Write-off of unamortized debt issuance and discount costs