Quarterly report pursuant to Section 13 or 15(d)

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

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Investments In Affiliates Accounted For Using The Equity Method (Details) - USD ($)
$ in Millions
Sep. 30, 2016
May 12, 2016
Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 1,156   $ 1,115
Liberty Sirius XM Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 165   153
Liberty Sirius XM Group | Sirius XM Canada      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership 37.00%    
Equity Method Investment, Quoted Market Value $ 171    
Investments in affiliates, accounted for using the equity method 165   153
Liberty Braves Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 56   39
Liberty Braves Group | Other      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 56   39
Liberty Media Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 935   923
Liberty Media Group | Other      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 159   159
Liberty Media Group | Live Nation      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership 34.00%    
Equity Method Investment, Quoted Market Value $ 1,914    
Investments in affiliates, accounted for using the equity method $ 776   $ 764
SIRIUS XM | Sirius XM Canada      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership   70.00%