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Annual report pursuant to Section 13 and 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Details)

v2.4.1.9
Investments In Affiliates Accounted For Using The Equity Method (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Investments in affiliates, accounted for using the equity method $ 1,633us-gaap_EquityMethodInvestments $ 1,237us-gaap_EquityMethodInvestments
HSN, Inc. Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Percentage ownership 38.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_HsnIncMember 		Ìý
FTD Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Percentage ownership 35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_FTDMember 		Ìý
Liberty Interactive common stock Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Investments in affiliates, accounted for using the equity method 375us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		343us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Liberty Interactive common stock | HSN, Inc. Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Percentage ownership 38.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_HsnIncMember 		Ìý
Equity Method Investment, Quoted Market Value 1,521us-gaap_EquityMethodInvestmentQuotedMarketValue
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_HsnIncMember 		Ìý
Investments in affiliates, accounted for using the equity method 328us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_HsnIncMember 		293us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_HsnIncMember
Liberty Interactive common stock | Equity method investment, other Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Investments in affiliates, accounted for using the equity method 47us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_EquityMethodInvestmentOtherMember 		50us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_EquityMethodInvestmentOtherMember
Liberty Ventures common stock Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Investments in affiliates, accounted for using the equity method 1,258us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		894us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Liberty Ventures common stock | Equity method investment, other Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Investments in affiliates, accounted for using the equity method 389us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_EquityMethodInvestmentOtherMember 		417us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_EquityMethodInvestmentOtherMember
Liberty Ventures common stock | Expedia Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Percentage ownership 18.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_ExpediaMember 		Ìý
Equity Method Investment, Quoted Market Value 1,992us-gaap_EquityMethodInvestmentQuotedMarketValue
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_ExpediaMember 		Ìý
Investments in affiliates, accounted for using the equity method 514us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_ExpediaMember 		477us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_ExpediaMember
Liberty Ventures common stock | FTD Ìý Ìý
Equity Method Investments and Operating Activities Segment [Line Items] Ìý Ìý
Percentage ownership 35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_FTDMember 		Ìý
Equity Method Investment, Quoted Market Value 355us-gaap_EquityMethodInvestmentQuotedMarketValue
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_FTDMember 		Ìý
Investments in affiliates, accounted for using the equity method $ 355us-gaap_EquityMethodInvestments
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_FTDMember 		Ìý