Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v2.4.1.9
Long-Term Debt (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 09, 2015
HSN, Inc.    
Dividend Received Per Share From Equity Method Affiliate $ 10linta_Linta_DividendReceivedPerShareFromEquityMethodAffiliate
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Proceeds from Equity Method Investment, Dividends or Distributions $ 200,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions
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1% Exchangeable Senior Debentures due 2043 | HSN, Inc.    
Special dividend received per share from equity method affiliate $ 0.18linta_SpecialDividendReceivedPerShareFromEquityMethodAffiliate
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Portion of Dividend Passed Through To Note Holders 54,000,000linta_Linta_PortionOfDividendPassedThroughToNoteHolders
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QVC Bank Credit Facilities    
Interest rate (as a percent) 1.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Remaining borrowing capacity 1,800,000,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
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QVC | QVC Bank Credit Facilities | Segment, Liberty Interactive Corporation | Revolving Credit Facility [Member]    
Maximum Borrowing Capacity   2,250,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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Standby letters of credit   250,000,000linta_StandbyLettersOfCredit
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Incremental borrowing capacity   1,500,000,000linta_IncrementalBorrowingCapacity
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LIBOR | QVC | QVC Bank Credit Facilities | Revolving Credit Facility [Member]    
Debt Instrument, Description of Variable Rate Basis   LIBOR
Alternate Base Rate [Member] | QVC | QVC Bank Credit Facilities | Revolving Credit Facility [Member]    
Debt Instrument, Description of Variable Rate Basis   ABR Rate
Minimum | QVC | QVC Bank Credit Facilities | Segment, Liberty Interactive Corporation | Revolving Credit Facility [Member]    
Debt Instrument, Basis Spread on Variable Rate   0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Maximum | QVC | QVC Bank Credit Facilities | Segment, Liberty Interactive Corporation | Revolving Credit Facility [Member]    
Debt Instrument, Basis Spread on Variable Rate   1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Liberty Interactive common stock | 8.5% Senior Debentures Due 2029    
Interest rate (as a percent) 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | 8.25% Senior Debentures Due 2030    
Interest rate (as a percent) 8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | 1% Exchangeable Senior Debentures due 2043    
Interest rate (as a percent) 1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 3.125% Senior Secured Notes Due 2019    
Interest rate (as a percent) 3.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 7.375% Senior Secured Notes Due 2020    
Interest rate (as a percent) 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 5.125% Senior Secured Notes 2022    
Interest rate (as a percent) 5.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 4.375% Senior Secured Notes due 2023    
Interest rate (as a percent) 4.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 4.850% Senior Secured Notes due 2024    
Interest rate (as a percent) 4.85%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 4.45% Senior Secured Notes due 2025 [Member]    
Interest rate (as a percent) 4.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 5.45% Senior Secured Notes due 2034 [Member]    
Interest rate (as a percent) 5.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Interactive common stock | QVC 5.95% Senior Secured Notes due 2043    
Interest rate (as a percent) 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Ventures common stock | 4% Exchangeable Senior Debentures Due 2029    
Interest rate (as a percent) 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Ventures common stock | 3.75% Exchangeable Senior Debentures Due 2030    
Interest rate (as a percent) 3.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Ventures common stock | 3.5% Exchangeable Senior Debentures Due 2031    
Interest rate (as a percent) 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Liberty Ventures common stock | 0.75% Exchangeable Senior Debentures due 2043    
Interest rate (as a percent) 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
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