Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Operating Activities) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Operating Activities) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net $ 87 $ 4 $ 90 $ 2
QVC Group Common Stock        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net 9 7 33 28
QVC Group Common Stock | HSN, Inc.        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net 12 9 37 31
QVC Group Common Stock | Equity method investment, other        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net (3) (2) (4) (3)
Liberty Ventures common stock        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net 78 (3) 57 (26)
Liberty Ventures common stock | Expedia        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net 76 10 80 4
Liberty Ventures common stock | FTD        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net 7   5  
Liberty Ventures common stock | Equity method investment, other        
Equity Method Investments and Operating Activities Segment [Line Items]        
Share of earnings (losses)ffiliates, net $ (5) $ (13) $ (28) $ (30)