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, 2020
Dec. 31, 2019
Dec. 31, 2018
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net $ (586) $ 6 $ 18
Liberty SiriusXM Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (484) (24) (11)
Liberty SiriusXM Group | Sirius XM Canada      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 5 (3) (1)
Liberty SiriusXM Group | Live Nation      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (465)    
Liberty SiriusXM Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (24) (21) (10)
Braves Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 6 18 12
Braves Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net 6 18 12
Formula One Group      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (108) 12 17
Formula One Group | Live Nation      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net (112) 4 3
Formula One Group | Other      
Investments in Affiliates Accounted for Using the Equity Method      
Share of earnings (losses) of affiliates, net $ 4 $ 8 $ 14