Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Legal Entity [Axis] Entity [Domain] Parent Company [Member] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Trading Symbol Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] ASSETS Cash and cash equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value, Total Short-term investments Short-term Investments, Total Accounts receivable, net Accounts Receivable, Net, Current, Total Loans and interest receivable, net Notes, Loans and Financing Receivable, Net, Current, Total Funds receivable and customer accounts. Funds receivable and customer accounts Other current assets Total current assets Total current assets Long-term investments Long-term Investments, Total Property and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Intangible assets, net Intangible Assets, Net (Excluding Goodwill), Total Other assets Other Assets, Noncurrent, Total Total assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Accounts payable Accounts Payable, Current, Total Funds payable and amounts due to customers. Funds payable and amounts due to customers Accrued expenses and other current liabilities Other Liabilities, Current, Total Deferred revenue and customer advances Deferred Revenue and Credits, Current, Total Income taxes payable Taxes Payable, Current, Total Total current liabilities Total current liabilities Deferred and other tax liabilities, net Other liabilities Other Liabilities, Noncurrent, Total Total liabilities Total liabilities Commitments and contingencies (Note 7) Stockholders' equity: Common stock, $0.001 par value; 3,580,000 shares authorized; 1,297,799 and 1,311,921 shares outstanding Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Treasury stock at cost, 188,251 and 188,260 shares Treasury stock at cost, 188,251 and 188,266 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Retained earnings Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Total stockholders' equity Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total stockholders' equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Common stock, par value Common stock, shares authorized Common stock, shares outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Treasury stock, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Income Statement [Abstract] Net revenues Net revenues from external customers Net revenues from external customers Sales Revenue, Services, Net, Total Cost of net revenues Cost of Revenue, Total Gross Profit Gross profit Operating expenses: Sales and marketing Selling and Marketing Expense, Total Product development Research and Development Expense, Total General and administrative General and Administrative Expense, Total Provision charged to earnings for the provision for transaction and loan losses. Provision For Transaction And Loan Loss Provision for transaction and loan losses Amortization of acquired intangible assets Amortization of Intangible Assets, Total Restructuring Charges Restructuring Charges, Total Restructuring Total operating expenses Total operating expenses Income from operations Income from operations Interest and other non operating income, net of interest expense and other non operating expenses. Interest Income And Other Interest and other income (expense), net Interest and other income, net Sum of operating profit and nonoperating income (expense) before income taxes. Income Loss From Continuing Operations Before Income Taxes Income before income taxes Income before income taxes Provision for income taxes Provision for income taxes Income Tax Expense (Benefit), Total Net income Net income Net income per share: Earnings Per Share, Basic Net income per share, Basic Earnings Per Share, Basic, Total Basic Earnings Per Share, Diluted Net income per share, Diluted Earnings Per Share, Diluted, Total Diluted Weighted average shares: Weighted Average Number of Shares Outstanding, Basic Weighted average common shares - basic Weighted Average Number of Shares Outstanding, Basic, Total Basic Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares - diluted Diluted Diluted Statement of Income and Comprehensive Income [Abstract] Other comprehensive income (loss): Foreign currency translation Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, before Tax, Total Unrealized gains on investments, net Unrealized (losses) gains on hedging activities Other Comprehensive Income, Derivatives Qualifying as Hedges, before Tax, Total Tax (provision) benefit on above items Tax provision on above items Other Comprehensive Income (Loss), Tax, Total Net change in accumulated other comprehensive income Net change in accumulated other comprehensive income (loss) Comprehensive (loss) income Comprehensive income (loss) Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments: Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction, Total Stock-based compensation Total stock-based compensation expense Total stock-based compensation expense Changes in assets and liabilities Changes in assets and liabilities Increase (Decrease) in Operating Capital, Total Net cash provided by operating activities Net cash provided by operating activities Cash flows from investing activities: Purchases of property and equipment, net Purchases of property and equipment, net Payments to Acquire Property, Plant, and Equipment, Total Changes in principal loans receivable, net Changes in principal loans receivable, net Payments for (Proceeds from) Loans Receivable, Total Purchases of investments Purchases of investments Payments to Acquire Investments, Total Maturities and sales of investments Proceeds from Sale, Maturity and Collections of Investments, Total Payments to Acquire Businesses, Net of Cash Acquired Acquisitions, net of cash acquired Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Repayment of Skype note receivable Skype repayment of subordinated note receivable Proceeds from Divestiture of Businesses, Net of Cash Divested, Total Other Other Net cash used in investing activities Net cash used in investing activities Cash flows from financing activities: Proceeds from issuance of common stock, net Excess tax benefits from stock-based compensation The cash outflow associated with tax withholding obligations upon release of vested restricted stock units. Payment For Tax Withholding Related To Vested And Released Restricted Stock Units Tax withholdings related to net share settlements of restricted stock awards and units Net payments from borrowings under credit agreement Net payments from borrowings under credit agreement Net change in in funds receivable and customer accounts. Net Change in Funds Receivable Funds receivable and customer accounts Net change in funds payable and amounts due to customers. Net Change in Funds payable and amounts due to customers Funds payable and amounts due to customers Net cash used in financing activities Net cash (used in) provided by financing activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents, Total Net decrease in cash and cash equivalents Net (decrease) increase in cash and cash equivalents Supplemental cash flow disclosures: Cash paid for interest Cash paid for income taxes Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing and financing activities: Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration Common stock options assumed pursuant to acquisition The Company and Summary of Significant Accounting Policies The Company and Summary of Significant Accounting Policies [Abstract] The Company and Summary of Significant Accounting Policies The Company and Summary of Significant Accounting Policies Net Income Per Share Goodwill and Intangible Assets Goodwill and Intangible Assets [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Segments Segments [Abstract] Segments Segments Fair Value Measurement of Assets and Liabilities Fair Value Measurement of Assets and Liabilities [Abstract] Fair Value Measurement of Assets and Liabilities Fair Value Measurement of Assets and Liabilities Derivative Instruments Derivative Instruments [Abstract] Derivative Instruments Derivative Instruments Commitments and Contingencies Commitments and Contingencies [Abstract] Commitments and Contingencies Commitments and Contingencies Stock-Based Plans [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Plans Restructuring Restructuring [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] Restructuring Income Tax Uncertainties [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure Skype-Related Transaction Skype-Related Transaction [Abstract] Skype-Related Transaction Skype related items. Skype Related Items Text Block Skype-Related Transaction Schedule of Earnings Per Share Basic and Diluted Schedule of Earnings Per Share Basic and Diluted [Text Block] Net Income Per Share [Table] Schedule of Goodwill [Text Block] Goodwill balances and the adjustments to those balances for each reportable segment Goodwill balances and the adjustments to those balances for each reportable segments Schedule of Finite-Lived Intangible Assets by Major Class [Text Block] Schedule of identifiable intangible assets Schedule of Segment Reporting Information, by Segment [Text Block] Segments financial performance table Fair Value, Assets Measured on Recurring Basis [Text Block] Fair Value Measurement of Assets and Liabilities Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block] Fair Value of Derivative Contracts - Table Effects Of Derivative Contracts On Accumulated Other Comprehensive Income [Text Block] Effects Of Derivative Contracts On Accumulated Other Comprehensive Income [Text Block] Effect of Derivative Contracts on Accumulated Other Comprehensive Income - Table Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block] Effect of Derivative Contracts on Condensed Consolidated Statement of Income - Table Stock-Based Plans Stock Option Activity Table Restricted Stock Unit Activity Table Restricted Stock Unit Activity Table [Text Block] Restricted Stock Unit Activity Table Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Text Block] Stock-Based Compensation Expense Table Weighted Average Assumptions For Fair Value Calculation Of Stock Options Table Weighted Average Assumptions For Fair Value Calculation Of Stock Options Table [Text Block] Valuation Assumptions Schedule of Restructuring and Related Costs [Text Block] Summary of the restructuring and other related costs by segment table Schedule of Restructuring Reserve by Type of Cost [Text Block] Summary of restructuring activity table Income Taxes Changes in unrecognized tax benefits table Equity Method Investment, Ownership Percentage Equity stake in Skype Equity stake in Skype Incremental Common Shares Attributable to Share-based Payment Arrangements Dilutive effect of equity incentive plans Incremental Common Shares Attributable to Share-based Payment Arrangements, Total Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive Goodwill by Segment [Axis] Goodwill, Segment [Domain] Marketplaces Marketplaces [Member] Marketplaces Payments Payments [Member] Payments Acquired Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer lists and user base [Member] Trademarks and trade names Trademarks and trade names [Member] Trademarks and trade names Developed technologies [Member] All other All other [Member] All other Goodwill Including Equity Investments Goodwill Including Equity Investments Goodwill, including equity investments at June 30, 2010 Goodwill, including equity investments at December 31, 2009 Goodwill, including equity investments Goodwill, including equity investments Goodwill, Acquired During Period Goodwill Acquired Goodwill, Translation and Purchase Accounting Adjustments Adjustments Goodwill related to equity investments Goodwill related to equity investments Goodwill related to equity investments Finite-Lived Intangible Assets, Gross Gross Carrying Amount Gross Carrying Amount Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Finite-Lived Intangible Assets, Net Net Carrying Amount Net Carrying Amount Finite-Lived Intangible Assets, Weighted-Average Useful Life Weighted Average Useful Life (Years) Finite-Lived Intangible Assets, Weighted-Average Useful Life, Total Finite-Lived Intangible Assets, Amortization Expense Aggregate amortization expense for intangible assets Segment Reporting Information, by Segment [Axis] Reporting Segment [Domain] Communications Communications [Member] Communications Direct costs include specific costs of net revenues, sales and marketing expenses, and general and administrative expenses, such as advertising and marketing programs, customer support expenses, bank charges, internal interest charges related to Bill Me Later, site operations expenses, product development expenses, billing operations, certain technology and facilities expenses, transaction expenses and provision for transaction and loan losses. Direct Costs of Operating Direct costs Direct costs Direct Contribution Direct Contribution Direct contribution Direct contribution Direct contribution Reconciliation of the total of the reportable segments' measures of profit or loss to the entity's consolidated income from operations. Reconciliation of Total Operating Profit (Loss) from Segments to Consolidated Operating expenses and indirect costs of net revenues Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Axis] Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Domain] Fair Value Balance [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Schedule of Fair Value of Separate Accounts by Major Category of Investment [Axis] Schedule of Fair Value of Separate Accounts by Major Category of Investment, Category [Domain] Short-term investments [Member] Long-term investments [Member] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Bank deposits and money market funds Bank deposits and money market funds [Member] Bank deposits and money market funds Restricted cash Restricted cash [Member] Restricted cash Equity instruments [Member] Time deposits and other Time deposits and other [Member] Time deposits and other Fair Value, Assets Measured on Recurring Basis, Cash and Cash Equivalents Total cash and cash equivalents Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets Derivatives Total fair value of derivative instruments - assets Total fair value of derivative instruments - assets Fair Value, Measured on Recurring Basis, Investments Total investments Total long-term investments Fair Value Assets Measured On Recurring Basis Total Financial Assets Fair Value Assets Measured On Recurring Basis Total Financial Assets Total financial assets Total financial assets Fair Value, Liabilities Measured on Recurring Basis, Derivative Financial Instruments, Liabilities Derivatives Total fair value of derivative instruments - liabilities Total fair value of derivative instruments - liabilities Cost and equity method investments included in long-term investments Cost and equity method investments included in long-term investments Cost and equity method investments included in long-term investments Pooling arrangement withdrawals Pooling arrangement withdrawals Cash withdrawals, Europe Pooling arrangement deposits Pooling arrangement deposits Aggregate Cash Deposits, Europe Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Hedging Relationship [Domain] Cash Flow Hedging [Member] Nondesignated [Member] Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Domain] Derivatives Assets Reported in Other Current Assets Derivatives Assets Reported in Other Current Assets [Member] Derivatives Assets Reported in Other Current Assets Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Foreign Exchange Contract [Member] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement and Other Comprehensive Income Location [Domain] Net Revenue [Member] Interest and Other Income [Member] Derivative Asset Designated as Hedging Instrument, Fair Value Foreign exchange contracts designated as cash flow hedges - assets Derivative Asset Not Designated as Hedging Instrument, Fair Value Foreign exchange contracts not designated as hedging instruments - assets Derivative Liability Designated as Hedging Instrument, Fair Value Foreign exchange contracts designated as cash flow hedges - liabilities Derivative Liability Not Designated as Hedging Instrument, Fair Value Foreign exchange contracts not designated as hedging instruments - liabilities Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated OCI - Foreign exchange contracts designated as cash flow hedges Accumulated OCI - Foreign exchange contracts designated as cash flow hedges Accumulated OCI - Foreign exchange contracts designated as cash flow hedges Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net Amount of gain recognized in other comprehensive income (effective portion) Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net, Total Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of gain reclassified from accumulated other comprehensive income to income (effective portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net, Total Derivative Instruments, Gain (Loss) Recognized in Income, Net Gain (loss) recognized from derivative contracts in the consolidated statement of income Derivative Instruments, Gain (Loss) Recognized in Income, Net, Total Line of Credit Facility, Maximum Borrowing Capacity Unsecured revolving credit facility, borrowing capacity Unused line of credit for Bill Me Later accountholders issued by an unaffiliated lender. Commitments to purchase extended credit to B M L Customers Commitments to extend credit Court Awarded Damages To Plaintiff France Court Awarded Damages To Plaintiff France Court awarded damages to plaintiff, France Daily Fines Enforceable France Daily Fines Enforceable France Daily fines, enforceable, France Court Awarded Fines France Court Awarded Fines France Court awarded fines, France Court Awarded Fines Daily France Court Awarded Fines Daily France Court awarded fines, daily, France KoreanConsolotionMoneyPrecedentPenaltyPerUser Korean Consolation Money Precedent Penalty Per User Consolation money per user precedent, Korea Component of Other Operating Cost and Expense, General [Axis] Component of Other Operating Cost and Expense, Name [Domain] Sales and marketing [Member] Product development Product development [Member] Product development General and administrative [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding at June 30, 2010 Outstanding at January 1, 2010 Stock Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Forfeited/expired/cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding at June 30, 2010 Outstanding at January 1, 2010 Restricted Stock Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Awarded Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited Allocated Share-based Compensation Expense Impact on results of operations Allocated Share-based Compensation Expense, Total Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Capitalized in product development Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rates Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected lives (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price of stock options granted during the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value of stock options granted during the period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, End of Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning of Period Weighted average grant date fair value for RSUs awarded during the period Restructuring and Related Cost, by Type of Restructuring [Axis] Type of Restructuring [Domain] Employee Severance and Benefits [Member] Facilities Closing Costs [Member] Restructuring Costs, high end of range [Member] Restructuring Costs, high end of range [Member] Restructuring Costs, high end of range Restructuring Costs, low end of range Restructuring Costs, low end of range [Member] Restructuring Costs, low end of range Restructuring and Related Cost, Reportable Segment, Incurred Cost Restructuring and other related costs Restructuring Reserve Accrued liability as of June 30, 2010 Accrued liability as of January 1, 2010 Accrued liability Restructuring Reserve, Total Restructuring Reserve, Period Expense Charges Restructuring Reserve, Settled with Cash Payments Restructuring Reserve, Settled with Cash, Total Restructuring Reserve, Accrual Adjustment Adjustment Restructuring Reserve, Accrual Adjustment, Total Employees Potentially Impacted By Consolidation Employees Potentially Impacted By Consolidation Employees potentially impacted by consolidation Restructuring and Related Cost, Expected Cost Aggregate consolidation costs Restructuring and Related Costs, Expected Cost, Total Restructuring and Related Cost, Incurred Cost Restructuring charges incurred Restructuring and Related Costs, Incurred Cost, Total Restructuring and Related Cost, Cost Incurred to Date Restructuring related charges Restructuring and Related Costs, Cost Incurred to Date, Total Unrecognized Tax Benefits Gross amounts of unrecognized tax benefits as of June 30, 2010 Gross amounts of unrecognized tax benefits as of January 1, 2010 Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Increases related to prior period tax positions Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Decreases related to prior period tax positions Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Increases related to current period tax positions Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Settlements Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total Proceeds from (Repayments of) Long-term Debt and Capital Securities Skype repayment of senior debt securities Proceeds from (Repayments of) Long-term Debt and Capital Securities, Total Investment Income, Interest Net gain on Skype loans Impact On Net Income Skype Loans Impact On Net Income Skype Loans Impact on net income from Skype loans Payments to Acquire Notes Receivable Reinvestment in Skype senior debt securities Statement, Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Actual [Member] Corporate debt securities [Member] Government and agency securities [Member] Time deposits [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member] Cost of net revenues [Member]