Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method - Share Of Earnings (Losses) Of Affiliates (Details)

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Investments In Affiliates Accounted For Using The Equity Method - Share Of Earnings (Losses) Of Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net $ 34 $ 22 $ 14 $ 14
Liberty Sirius XM Group        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net (7) (1) (11)  
Liberty Sirius XM Group | Sirius XM Canada        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net (1) (1) 2  
Liberty Sirius XM Group | Other        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net (6)   (13)  
Braves Group        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net 7 3 9 6
Braves Group | Other        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net 7 3 9 6
Formula One Group        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net 34 20 16 8
Formula One Group | Live Nation        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net 30 19 7 3
Formula One Group | Other        
Investments in Affiliates Accounted for Using the Equity Method        
Share of earnings (losses) of affiliates, net $ 4 $ 1 $ 9 $ 5