Annual report pursuant to Section 13 and 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
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net $ 6 $ 18 $ 104
Liberty Sirius XM Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (24) (11) 29
Liberty Sirius XM Group | Sirius XM Canada      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (3) (1) 29
Liberty Sirius XM Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (21) (10)  
Braves Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 18 12 78
Braves Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 18 12 78
Braves Group | Braves Holdings      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net     69
Formula One Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 12 17 (3)
Formula One Group | Live Nation      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 4 3 (18)
Formula One Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net $ 8 $ 14 $ 15