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)

v3.21.2
Investments In Affiliates Accounted For Using The Equity Method - Share Of Earnings (Losses) Of Affiliates (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes $ 9 $ (187) $ (134) $ (442)
Liberty SiriusXM Group        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes 2 (183) (181) (331)
Liberty SiriusXM Group | Sirius XM Canada        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes (1)   6 8
Liberty SiriusXM Group | Live Nation        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes 9 (177) (169) (321)
Liberty SiriusXM Group | Other Investments [Member]        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes (6) (6) (18) (18)
Braves Group        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes 9 (5) 20 (2)
Braves Group | Other Investments [Member]        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes 9 (5) 20 (2)
Formula One Group        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes (2) 1 27 (109)
Formula One Group | Live Nation        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes       (112)
Formula One Group | Other Investments [Member]        
Investments in Affiliates Accounted for Using the Equity Method        
Earnings (loss) before income taxes $ (2) $ 1 $ 27 $ 3