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Annual report pursuant to Section 13 and 15(d)

Information º¬Ð߲ݴ«Ã½ Liberty's Operating Segments (Performance Measures By Segment) (Details)

v2.4.1.9
Information º¬Ð߲ݴ«Ã½ Liberty's Operating Segments (Performance Measures By Segment) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Total revenues $ 3,252us-gaap_SalesRevenueNet $ 2,330us-gaap_SalesRevenueNet $ 2,483us-gaap_SalesRevenueNet $ 2,434us-gaap_SalesRevenueNet $ 3,193us-gaap_SalesRevenueNet $ 2,225us-gaap_SalesRevenueNet $ 2,384us-gaap_SalesRevenueNet $ 2,417us-gaap_SalesRevenueNet $ 10,499us-gaap_SalesRevenueNet $ 10,219us-gaap_SalesRevenueNet $ 9,888us-gaap_SalesRevenueNet
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 1,965linta_AdjustedOibda 1,913linta_AdjustedOibda 1,898linta_AdjustedOibda
Liberty Interactive common stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 10,028us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		10,219us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		9,888us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 1,939linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		1,924linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		1,903linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Liberty Interactive common stock | QVC Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 8,801us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember 		8,623us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember 		8,516us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 1,910linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember 		1,841linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember 		1,828linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
Liberty Interactive common stock | Digital commerce Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 1,227us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		1,596us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		1,372us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 53linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		103linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		102linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
Liberty Interactive common stock | Corporate and Other Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý (24)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember 		(20)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember 		(27)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember
Liberty Ventures common stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 471us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 26linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		(11)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		(5)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Liberty Ventures common stock | Digital commerce Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 471us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		Ìý Ìý
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 44linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember 		Ìý Ìý
Liberty Ventures common stock | Corporate and Other Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Adjusted OIBDA Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý (18)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember 		(11)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember 		(5)linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember
United States Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 7,617us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US 		7,332us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US 		6,873us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US
Japan Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 912us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_JP 		1,029us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_JP 		1,251us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_JP
Other Foreign Countries [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý 967us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= linta_OtherForeignCountriesMember 		887us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= linta_OtherForeignCountriesMember 		807us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= linta_OtherForeignCountriesMember
Germany Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Total revenues Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý $ 1,003us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_DE 		$ 971us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_DE 		$ 957us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_DE