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)

v2.4.0.8
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 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net $ 36 $ 29 $ 38 $ 25
Interactive Group
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net 13 13 41 33
Interactive Group | HSN, Inc.
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net 15 15 46 46
Interactive Group | Equity method investment, other
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net (2) (2) (5) (13)
Ventures Group
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net 23 16 (3) (8)
Ventures Group | Expedia
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net 38 27 42 17
Ventures Group | Equity method investment, other
        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses) of affiliates, net $ (15) $ (11) $ (45) $ (25)