Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Liberty's Share Of Earnings (Losses) Of Affiliates) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Liberty's Share Of Earnings (Losses) Of Affiliates) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net $ (2) $ (11)
HSN, Inc.
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net 22 20
Expedia
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net (6) (20)
Interactive Group
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net 21 16
Interactive Group | Equity method investment, other
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net (1) (4)
Ventures Group
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net (23) (27)
Ventures Group | Equity method investment, other
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings of affiliates, net $ (17) $ (7)