Equity Method Investments and Joint Ventures [Abstract] Equity-Method Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Document Document And Entity Information [Abstract] Document Document and Entity Information [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [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 Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Debt Disclosure [Abstract] Schedule of Long-term Debt 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Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Schedule of Vesting [Table] Schedule Of Vesting [Table] Schedule of Vesting [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Schedule of Vesting [Line Items] Schedule Of Vesting [Line Items] Schedule of Vesting [Line Items] Six Months Ended December 31, 2014 Scheduled Vesting Remainder Of Year Scheduled Vesting Remainder of the Year Year Ended December 31, 2015 Scheduled Vesting Year One Scheduled Vesting Year One Year Ended December 31, 2016 Scheduled Vesting Year Two Scheduled Vesting Year Two Year Ended December 31, 2017 Scheduled Vesting Year Three Scheduled Vesting Year Three Year Ended December 31, 2018 Scheduled Vesting Year Four Scheduled Vesting Year Four Thereafter Scheduled Vesting Thereafter Scheduled Vesting Thereafter Total Scheduled Vesting Disclosure Scheduled Vesting Disclosure Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Accounting Policies [Abstract] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Number of segments Number of Operating Segments Schedule of Segment Reporting Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Revenue from External Customers by Products and Services Revenue from External Customers by Products and Services [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Marketable securities Marketable Securities, Current Inventories Inventory, Net Accounts receivable, net and other Accounts Receivable, Net, Current Total current assets Assets, 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stock, at cost Treasury Stock, Value Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, Authorized shares Preferred Stock, Shares Authorized Preferred stock, Issued shares Preferred Stock, Shares Issued Preferred stock, Outstanding shares Preferred Stock, Shares Outstanding Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, Authorized shares Common Stock, Shares Authorized Common stock, Issued shares Common Stock, Shares, Issued Common stock, Outstanding shares Common Stock, Shares, Outstanding Investments, Debt and Equity Securities [Abstract] Cash, Cash Equivalents, and Marketable Securities Cash, Cash Equivalents, and Short-term Investments [Text Block] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Media Media [Member] Media [Member] Electronics and other general merchandise Electronics And Other General Merchandise [Member] Electronics and Other General Merchandise [Member] Other Other Non Retail [Member] Other, Non-Retail [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Net sales Revenue, Net Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments 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Months Ended December 31, 2014 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Year Ended December 31, 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months Year Ended December 31, 2016 Operating Leases, Future Minimum Payments, Due in Two Years Year Ended December 31, 2017 Operating Leases, Future Minimum Payments, Due in Three Years Year Ended December 31, 2018 Operating Leases, Future Minimum Payments, Due in Four Years Thereafter Operating Leases, Future Minimum Payments, Due After Four Years Operating Leases, Future Minimum Payments, Due After Four Years Total Operating Leases, Future Minimum Payments Due Unconditional purchase obligations Recorded Unconditional Purchase Obligation, Fiscal Year Maturity Schedule [Abstract] Six Months Ended December 31, 2014 Unrecorded Unconditional Purchase Obligation, Due in Remainder of Fiscal Year Year Ended December 31, 2015 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months Year Ended December 31, 2016 Unrecorded Unconditional Purchase Obligation, Due within Two Years Year Ended December 31, 2017 Unrecorded Unconditional Purchase Obligation, Due within Three Years Year Ended December 31, 2018 Unrecorded Unconditional Purchase Obligation, Due within Four Years Thereafter Unrecorded Unconditional Purchase Obligation, Due after Fourth Year Unrecorded Unconditional Purchase Obligation, Due after Fourth Year Total Unrecorded Unconditional Purchase Obligation Other commitments Other Commitment, Fiscal Year Maturity [Abstract] Six Months Ended December 31, 2014 Other Commitments, Future Minimum Payments, Remainder of Fiscal Year Year Ended December 31, 2015 Other Commitment, Due in Next Twelve Months Year Ended December 31, 2016 Other Commitment, Due in Second Year Year Ended December 31, 2017 Other Commitment, Due in Third Year Year Ended December 31, 2018 Other Commitment, Due in Fourth Year Thereafter Other Commitment, Due after Fourth Year Other Commitment, Due after 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Net of Tax Net unrealized gains (losses) on available-for-sale securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] LivingSocial Equity Method Investments [Member] Korean operations KOREA, REPUBLIC OF Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Statement of Operations: Equity Method Investment, Summarized Financial Information, Income Statement [Abstract] Revenue Equity Method Investment, Summarized Financial Information, Revenue Gross profit Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Operating expenses Equity Method Investment Summarized Financial Information Operating Expenses Equity Method Investment, Summarized Financial Information, Operating Expenses Operating loss from continuing operations Equity Method Investment, Summarized Financial Information, Operating Income (Loss) Equity Method Investment, Summarized Financial Information, Operating Income (Loss) Net loss from continuing operations Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations before Extraordinary Items Net income (loss) from discontinued operations Equity Method Investment, Summarized Financial Information, Income (Loss) from Discontinued Operations, Net of Tax Equity Method Investment, Summarized Financial Information, Income (Loss) from Discontinued Operations, Net of Tax Net income (loss) Equity Method Investment, Summarized Financial Information, Net Income (Loss) LivingSocial sale of its Korean operations Equity Method Investment, Amount Sold Gain on disposal Equity Method Investment, Realized Gain (Loss) on Disposal Fair Value by Balance Sheet Grouping Fair Value, Assets Measured on Recurring Basis [Table Text Block] Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Nonvested Share Activity Schedule of Nonvested Share Activity [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Round Rock Research, LLC [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Rental expense under operating lease agreements Operating Leases, Rent Expense Tax contingencies Unrecognized Tax Benefits Securities and Property and Equipment Owned and Pledged as Collateral, Fair Value Securities and Fixed Assets Owned and Pledged as Collateral, Fair Value Securities and Fixed Assets Owned and Pledged as Collateral, Fair Value Number of patents infringed Loss Contingency, Patents Allegedly Infringed, Number Equity and cost investment, ownership percentage Equity And Cost Method Investment Ownership Percentage Equity And Cost Method Investment Ownership Percentage Equity and cost investment, book value Equity And Cost Method Investment Book Value Equity And Cost Method Investment Book Value Accounting Policies Significant Accounting Policies [Text Block] Income Statement [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Fulfillment Fulfillment Expense [Member] Fulfillment Expense [Member] Marketing Selling and Marketing Expense [Member] Technology and content Technology And Content Expense [Member] Technology and Content Expense [Member] General and administrative General and Administrative Expense [Member] Stock-based compensation Allocated Share-based Compensation Expense Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Long-Term Debt Obligations Schedule of Long-term Debt Instruments [Table Text Block] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Long-term debt Long-term Debt Other long-term debt Less current portion of long-term debt Long-term Debt, Current Maturities Face value of long-term debt Long-term Debt, Gross Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Units granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Units vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Units forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Ending balance (in shares) Weighted Average Grant-Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Beginning balance (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Units granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Units vested (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Units forfeited (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Ending balance (in usd per share) Foreign currency translation adjustments, tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Unrealized gains (losses), tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Reclassification adjustment for losses (gains) included in other income (expense), net, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Long-Term Debt Long-term Debt [Text Block] Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] France FRANCE Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Discrete tax benefits (provision) Other Tax Expense (Benefit) Cash taxes paid, net of refunds Income Taxes Paid, Net Tax examination, proposed additional tax expense including interest and penalties Income Tax Examination, Estimate of Possible Loss Earnings Per Share [Abstract] Shares used in computation of basic earnings per share Weighted Average Number of Shares Outstanding, Basic Total dilutive effect of outstanding stock awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Shares used in computation of diluted earnings per share Weighted Average Number of Shares Outstanding, Diluted Statement of Cash Flows [Abstract] Major Property Class [Axis] Major Property Class [Axis] Major Property Class [Domain] Major Property Class [Domain] Assets Held under Capital Leases Assets Held under Capital Leases [Member] Assets Held under Build-To-Suit Leases Assets Held Under Build To Suit Leases [Member] Assets Held under Build To Suit Leases [Member] CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net income (loss) to net cash from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation of property and equipment, including internal-use software and website development, and other amortization Depreciation, Depletion and Amortization, Nonproduction Stock-based compensation Other operating expense (income), net Other Operating Income (Expense), Net Losses (gains) on sales of marketable securities, net Gain (Loss) on Sale of Investments Other expense (income), net Other Noncash Income (Expense) Deferred income taxes Deferred Income Tax Expense (Benefit) Excess tax benefits from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Inventories Increase (Decrease) in Inventories Accounts receivable, net and other Increase (Decrease) in Accounts Receivable and Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses and other Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Additions to unearned revenue Increase (Decrease) in Deferred Revenue Amortization of previously unearned revenue Recognition of Deferred Revenue 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] Purchases of property and equipment, including internal-use software and website development Payments to Acquire Property, Plant, and Equipment Acquisitions, net of cash acquired, and other Payments to Acquire Businesses and Interest in Affiliates Sales and maturities of marketable securities and other investments Proceeds from Sale, Maturity and Collection of Investments Purchases of marketable securities and other investments Payments to Acquire Investments Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Excess tax benefits from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from long-term debt and other Proceeds from (Repayments of) Long-term Debt and Capital Securities Repayments of long-term debt, capital lease, and finance lease obligations Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Foreign-currency effect on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) CASH AND CASH EQUIVALENTS, END OF PERIOD SUPPLEMENTAL CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Cash paid for interest on long-term debt Interest Paid Cash paid for income taxes (net of refunds) Property and equipment acquired Noncash or Part Noncash Acquisition, Fixed Assets Acquired Equity Method Investments Summarized Financial Information Equity Method Investments [Table Text Block] Commitments Disclosure Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Cash, cash equivalents and 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Fulfillment costs also include amounts paid to third parties that assist us in fulfillment and customer service operations. Marketing Marketing Expense Technology and content Technology And Content Expense Payroll and related expenses for application development, editorial content, merchandising selection, and systems support; and costs associated with computing, storage and telecommunications infrastructure. General and administrative General and Administrative Expense Other operating expense (income), net Total operating expenses Income (loss) from operations Interest income Investment Income, Interest Interest expense Interest Expense Other income (expense), net Other Nonoperating Income (Expense) Total non-operating income (expense) Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Basic earnings per share (in usd per share) Earnings Per Share, Basic Diluted earnings per share (in usd per share) Earnings Per Share, Diluted Weighted average shares used in computation of earnings per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Investments Classified by Contractual Maturity Date [Table] Investments Classified By Contractual Maturity Date [Table] Investments Classified by Contractual Maturity Date [Table] Period [Axis] Period [Axis] Period [Axis] Period [Domain] Period [Domain] Period [Domain] Due within one year Due In One Year Or Less [Member] Due In One Year Or Less [Member] Due after one year through five years Due After One Year Through Five Years [Member] Due After One Year Through Five Years [Member] Due after five years through ten years Due After Five Years Through Ten Years [Member] Due After Five Years Through Ten Years [Member] Due after ten years Due After Ten Years [Member] Due After Ten Years [Member] Investments Classified by Contractual Maturity Date [Line Items] Investments Classified By Contractual Maturity Date [Line Items] Investments Classified by Contractual Maturity Date [Line Items] Amortized Cost Cash Equivalents and Marketable Securities, Amortized Cost Basis Cash Equivalents and Marketable Securities, Amortized Cost Basis Estimated Fair Value Cash Equivalents and Marketable Securities, Fair Value Disclosure Cash Equivalents and Marketable Securities, Fair Value Disclosure