Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Summary of Share Earnings (Losses) of Affiliates) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Summary of Share Earnings (Losses) of Affiliates) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net $ (21) $ 3
QVC Group Common Stock    
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net $ 21 24
QVC Group Common Stock | HSN, Inc.    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 38.00%  
Share of earnings (losses) of affiliates, net $ 22 25
QVC Group Common Stock | Other    
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net (1) (1)
Liberty Ventures common stock    
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net $ (42) (21)
Liberty Ventures common stock | Expedia    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 16.00%  
Share of earnings (losses) of affiliates, net $ (24) 4
Liberty Ventures common stock | FTD    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 37.00%  
Share of earnings (losses) of affiliates, net $ (3) (2)
Liberty Ventures common stock | Other    
Equity Method Investments and Operating Activities Segment [Line Items]    
Share of earnings (losses) of affiliates, net $ (15) $ (23)