Annual report pursuant to Section 13 and 15(d)

Information About Liberty's Operating Segments (Performance Measures By Segment) (Details)

v2.4.1.9
Information About 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                 1,965linta_AdjustedOibda 1,913linta_AdjustedOibda 1,898linta_AdjustedOibda
Liberty Interactive common stock                      
Total revenues                 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                 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                      
Total revenues                 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                 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                      
Total revenues                 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                 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                      
Adjusted OIBDA                 (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                      
Total revenues                 471us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
   
Adjusted OIBDA                 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                      
Total revenues                 471us-gaap_SalesRevenueNet
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
   
Adjusted OIBDA                 44linta_AdjustedOibda
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
   
Liberty Ventures common stock | Corporate and Other                      
Adjusted OIBDA                 (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                      
Total revenues                 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                      
Total revenues                 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]                      
Total revenues                 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                      
Total revenues                 $ 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