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
Mar. 31, 2021
Mar. 31, 2020
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net $ (95) $ (62)
Liberty SiriusXM Group    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net (113) (2)
Liberty SiriusXM Group | Sirius XM Canada    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net 4 4
Liberty SiriusXM Group | Live Nation    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net (111)  
Liberty SiriusXM Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net (6) (6)
Braves Group    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net 3 4
Braves Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net 3 4
Formula One Group    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net 15 (64)
Formula One Group | Live Nation    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net   (66)
Formula One Group | Other    
Investments in Affiliates Accounted for Using the Equity Method    
Share of earnings (losses) of affiliates, net $ 15 $ 2