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
Jun. 30, 2019
Dec. 31, 2018
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 1,694 $ 1,641
Liberty Sirius XM Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 649 629
Liberty Sirius XM Group | Sirius XM Canada    
Investments in Affiliates Accounted for Using the Equity Method    
Percentage ownership 70.00%  
Investments in affiliates $ 639 613
Liberty Sirius XM Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 10 16
Braves Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 103 92
Braves Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 103 92
Formula One Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 942 920
Formula One Group | Live Nation    
Investments in Affiliates Accounted for Using the Equity Method    
Percentage ownership 33.00%  
Fair value $ 4,614  
Investments in affiliates 756 743
Formula One Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 186 $ 177