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, 2016
Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method $ 1,120 $ 1,115
Liberty Sirius XM Group    
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method $ 168 153
Liberty Sirius XM Group | Sirius XM Canada    
Schedule of Equity Method Investments [Line Items]    
Percentage ownership 37.00%  
Equity Method Investment, Quoted Market Value $ 169  
Investments in affiliates, accounted for using the equity method 168 153
Liberty Braves Group    
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method 52 39
Liberty Braves Group | Equity method investment, other    
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method 52 39
Liberty Media Group    
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method $ 900 923
Liberty Media Group | Live Nation    
Schedule of Equity Method Investments [Line Items]    
Percentage ownership 35.00%  
Equity Method Investment, Quoted Market Value $ 1,554  
Investments in affiliates, accounted for using the equity method 745 764
Liberty Media Group | Equity method investment, other    
Schedule of Equity Method Investments [Line Items]    
Investments in affiliates, accounted for using the equity method $ 155 $ 159