Quarterly report pursuant to Section 13 or 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details)

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Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details)
$ in Millions
Jun. 30, 2016
USD ($)
May 18, 2016
May 12, 2016
May 11, 2016
Dec. 31, 2015
USD ($)
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments $ 1,770       $ 1,353
QVC Group Common Stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 4       4
Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 1,766       1,349
Other Investments | QVC Group Common Stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 4       4
Other Investments | Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 75       71
Charter Communications, Inc. | Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 1,225        
Share exchange ratio   1      
Interval Leisure Group | Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments 265        
Ownership Interest In Investee     12.80% 28.70%  
Time Warner Inc | Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments $ 201       284
Time Warner Cable Inc | Liberty Ventures common stock          
Schedule of Investments in available-for-sale securities and other cost investments          
Investments in available-for-sale securities and other cost investments         $ 994