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 (losses) of affiliates, net $ (35) $ 17
Charter Communications
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net (28) [1]  
SIRIUS XM
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net   8
Live Nation
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net (14) (19)
Sirius XM Canada
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net 1 1
Equity method investment, other
   
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net $ 6 $ 27
[1] As discussed below, Liberty acquired its interest in Charter Communications, Inc. during the three months ended June 30, 2013 for approximately $2.6 billion.