Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Investments In Affiliates Accounted For Using The Equity Method (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 1,641 $ 1,641
Liberty Sirius XM Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 641 629
Liberty Sirius XM Group | Sirius XM Canada    
Investments in Affiliates Accounted for Using the Equity Method    
Percentage ownership 70.00%  
Investments in affiliates $ 628 613
Liberty Sirius XM Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 13 16
Braves Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 97 92
Braves Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates 97 92
Formula One Group    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 903 920
Formula One Group | Live Nation    
Investments in Affiliates Accounted for Using the Equity Method    
Percentage ownership 33.00%  
Fair value $ 4,425  
Investments in affiliates 720 743
Formula One Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Investments in affiliates $ 183 $ 177