Stockholders' Equity (Narrative) (Details)
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0 Months Ended |
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Apr. 11, 2014
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Oct. 13, 2014
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Mar. 31, 2015
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Dec. 31, 2014
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Oct. 20, 2014
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Class of Stock [Line Items] |
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Preferred Stock, Shares Issued |
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0us-gaap_PreferredStockSharesIssued
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0us-gaap_PreferredStockSharesIssued
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Common Class A | Liberty Interactive common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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4,000,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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4,000,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Stock, Shares, Issued |
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444,595,005us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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447,451,702us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Stock, Shares, Outstanding |
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444,595,005us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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447,451,702us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Shares reserved for future issuance upon exercise of stock options |
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25,600,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Outstanding options |
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25,597,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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24,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Class A | Liberty Ventures common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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200,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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200,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Stock, Shares, Issued |
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134,566,440us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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134,525,874us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Stock, Shares, Outstanding |
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134,566,440us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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134,525,874us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Shares reserved for future issuance upon exercise of stock options |
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4,100,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Stock split, conversion ratio |
2us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Outstanding options |
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4,108,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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3,997,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Stock split, dividends |
1linta_CommonStockDividendsStockSplitNumberofShares / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
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Common Class B | Liberty Interactive common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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150,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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150,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Stock, Shares, Issued |
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29,275,775us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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28,877,554us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Stock, Shares, Outstanding |
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29,275,775us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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28,877,554us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Shares reserved for future issuance upon exercise of stock options |
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778,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Outstanding options |
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778,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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1,044,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Class B | Liberty Ventures common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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7,500,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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7,500,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Stock, Shares, Issued |
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7,092,111us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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6,991,127us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Stock, Shares, Outstanding |
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7,092,111us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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6,991,127us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Shares reserved for future issuance upon exercise of stock options |
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1,500,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Stock split, conversion ratio |
2us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Outstanding options |
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1,541,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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1,507,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Stock split, dividends |
1linta_CommonStockDividendsStockSplitNumberofShares / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
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Common Class C | Liberty Interactive common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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4,000,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember
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Common Stock, Shares, Issued |
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0us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember
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Common Class C | Liberty Ventures common stock |
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Class of Stock [Line Items] |
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Common stock, shares authorized |
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200,000,000us-gaap_CommonStockSharesAuthorized / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember
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Common Stock, Shares, Outstanding |
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0us-gaap_CommonStockSharesOutstanding / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember
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Reattribution Transaction | Liberty Ventures common stock |
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Class of Stock [Line Items] |
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Common Stock, Shares, Issued |
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67,700,000us-gaap_CommonStockSharesIssued / linta_EconomicPerformanceGroupAxis = linta_VenturesGroupMember / us-gaap_RelatedPartyTransactionAxis = linta_ReattributionTransactionMember
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Liberty Ventures common stock | Reattribution Transaction | Liberty Interactive common stock |
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Class of Stock [Line Items] |
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Ratio applied to the reattribution |
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0.14217linta_StockholdersEquityReattributionRatio / linta_EconomicPerformanceGroupAxis = linta_InteractiveGroupMember / us-gaap_RelatedPartyTransactionAxis = linta_ReattributionTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = linta_VenturesGroupMember
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