Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - EPS (Details)

v3.20.4
Summary of Significant Accounting Policies - EPS (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Apr. 22, 2020
Apr. 21, 2020
Liberty SiriusXM Group          
Anti-dilutive shares excluded from EPS 25,000,000 22,000,000 22,000,000    
Basic earnings (loss) attributable to shareholders $ (747) $ 494 $ 676    
Unrealized (gain) loss on the intergroup interest (35)        
Diluted earnings (loss) attributable to stockholders $ (782) $ 494 $ 676    
Liberty SiriusXM Group | Live Nation          
Investment Owned, Balance, Shares       69,600,000  
Liberty SiriusXM Group | Formula One Group          
Investment Owned, Balance, Shares 5,271,475     5,300,000  
Liberty SiriusXM Group | Liberty SiriusXM Group          
Investment Owned, Balance, Shares       1,900,000  
Liberty SiriusXM Group | Braves Group          
Investment Owned, Balance, Shares 2,292,037     2,300,000  
Braves Group          
Anti-dilutive shares excluded from EPS 5,000,000 3,000,000 2,000,000    
Basic earnings (loss) attributable to shareholders $ (78) $ (77) $ 5    
Unrealized (gain) loss on the intergroup interest (42) 42 24    
Diluted earnings (loss) attributable to stockholders $ (120) $ (35) $ 29    
Formula One Group          
Anti-dilutive shares excluded from EPS 7,000,000 6,000,000 8,000,000    
Basic earnings (loss) attributable to shareholders $ (596) $ (311) $ (150)    
Unrealized (gain) loss on the intergroup interest 75        
Diluted earnings (loss) attributable to stockholders $ (521) $ (311) $ (150)    
Formula One Group | Liberty SiriusXM Group          
Investment Owned, Balance, Shares         1,945,491
Formula One Group | Braves Group          
Investment Owned, Balance, Shares 6,792,903       9,084,940
Common Class Series A, Series B, Series C | Liberty SiriusXM Group          
Basic WASO 334,000,000 329,000,000 342,000,000    
Potentially dilutive shares 2,000,000 4,000,000 4,000,000    
Diluted WASO 336,000,000 333,000,000 346,000,000    
Common Class Series A, Series B, Series C | Braves Group          
Basic WASO 51,000,000 51,000,000 51,000,000    
Potentially dilutive shares 9,000,000 10,000,000 10,000,000    
Diluted WASO 60,000,000 61,000,000 61,000,000    
Common Class Series A, Series B, Series C | Formula One Group          
Basic WASO 232,000,000 231,000,000 231,000,000    
Potentially dilutive shares 6,000,000 2,000,000 1,000,000    
Diluted WASO 238,000,000 233,000,000 232,000,000