Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Summary of Carrying Amount and Percentage Ownership of Significant Investments in Affiliates) (Details)

v3.5.0.2
Investments In Affiliates Accounted For Using The Equity Method (Summary of Carrying Amount and Percentage Ownership of Significant Investments in Affiliates) (Details) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Equity Method Investments and Operating Activities Segment [Line Items]    
Carrying amount $ 1,525 $ 1,641
QVC Group Common Stock    
Equity Method Investments and Operating Activities Segment [Line Items]    
Carrying amount $ 225 208
QVC Group Common Stock | HSN, Inc.    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 38.00%  
Carrying amount $ 182 165
QVC Group Common Stock | Other    
Equity Method Investments and Operating Activities Segment [Line Items]    
Carrying amount 43 43
Liberty Ventures common stock    
Equity Method Investments and Operating Activities Segment [Line Items]    
Carrying amount 1,300 1,433
Liberty Ventures common stock | Other    
Equity Method Investments and Operating Activities Segment [Line Items]    
Carrying amount $ 153 239
Liberty Ventures common stock | Expedia    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 16.00%  
Carrying amount $ 888 927
Liberty Ventures common stock | FTD    
Equity Method Investments and Operating Activities Segment [Line Items]    
Percentage ownership 37.00%  
Carrying amount $ 259 $ 267
Fair Value, Inputs (Level 1) | QVC Group Common Stock | HSN, Inc.    
Equity Method Investments and Operating Activities Segment [Line Items]    
Market value 979  
Fair Value, Inputs (Level 1) | Liberty Ventures common stock | Expedia    
Equity Method Investments and Operating Activities Segment [Line Items]    
Market value 2,509  
Fair Value, Inputs (Level 1) | Liberty Ventures common stock | FTD    
Equity Method Investments and Operating Activities Segment [Line Items]    
Market value $ 255