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
Mar. 31, 2017
Dec. 31, 2016
May 12, 2016
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 1,101 $ 1,117  
Liberty Sirius XM Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 165 164  
Liberty Sirius XM Group | Sirius XM Canada      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership 37.00%    
Equity Method Investment, Quoted Market Value $ 196    
Investments in affiliates, accounted for using the equity method 165 164  
Braves Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 48 61  
Braves Group | Other      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 48 61  
Formula One Group      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method 888 892  
Formula One Group | Other      
Schedule of Equity Method Investments [Line Items]      
Investments in affiliates, accounted for using the equity method $ 167 161  
Formula One Group | Live Nation      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership 34.00%    
Equity Method Investment, Quoted Market Value $ 2,115    
Investments in affiliates, accounted for using the equity method $ 721 $ 731  
SIRIUS XM | Sirius XM Canada      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership     70.00%