Quarterly report pursuant to Section 13 or 15(d)

Other Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details)

v2.4.1.9
Other Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Total cash consideration $ 20us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired    
Goodwill [Roll Forward]      
Balance, beginning of the year 5,404us-gaap_Goodwill    
Foreign currency translation adjustments (58)us-gaap_GoodwillTranslationAdjustments    
Other 9us-gaap_GoodwillOtherChanges    
Balance, end of the year 5,355us-gaap_Goodwill    
Intangible assets subject to amortization, net 1,122us-gaap_FiniteLivedIntangibleAssetsNet   1,185us-gaap_FiniteLivedIntangibleAssetsNet
Amortization of Intangible Assets 129us-gaap_AmortizationOfIntangibleAssets 124us-gaap_AmortizationOfIntangibleAssets  
QVC      
Goodwill [Roll Forward]      
Balance, beginning of the year 5,206us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
   
Foreign currency translation adjustments (58)us-gaap_GoodwillTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
   
Balance, end of the year 5,148us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
   
Digital commerce      
Goodwill [Roll Forward]      
Balance, beginning of the year 198us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
   
Other 9us-gaap_GoodwillOtherChanges
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember
   
Balance, end of the year $ 207us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= linta_ECommerceMember