Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Grants of stock options (Details)

v3.20.4
Stock-Based Compensation - Grants of stock options (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2020
item
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
2017 Plan      
Stock-Based Compensation      
Shares authorized 50,000    
Dividend rate 0.00% 0.00% 0.00%
Minimum | 2017 Plan      
Stock-Based Compensation      
Vesting period 1 year    
Term of option 7 years    
Expected term 5 years 3 months 18 days 5 years 3 months 18 days 5 years 3 months 18 days
Maximum | 2017 Plan      
Stock-Based Compensation      
Vesting period 5 years    
Term of option 10 years    
Expected term 6 years 3 months 18 days 6 years 3 months 18 days 6 years 3 months 18 days
Employee Stock Option | Liberty Director      
Stock-Based Compensation      
Vesting period 1 year    
Employee Stock Option | 2017 Plan      
Stock-Based Compensation      
Expected volatility rate, minimum 21.80% 21.80% 23.50%
Expected volatility rate, maximum 37.20% 27.50% 26.00%
Employee Stock Option | Minimum | Liberty employees      
Stock-Based Compensation      
Vesting period 2 years    
Employee Stock Option | Maximum | Liberty employees      
Stock-Based Compensation      
Vesting period 5 years    
Performance based RSUs | CEO | Common Class C      
Stock-Based Compensation      
Vesting period   1 year 1 year
Time-based RSUs | CEO      
Stock-Based Compensation      
Percentage of base salary of three quarters 50.00%    
Number of quarters of fifty percent base salary | item 3    
Percentage of base salary agreed to be waived 50.00%    
Liberty SiriusXM Group | Common Class C      
Stock-Based Compensation      
Grants of stock options 1,425    
Liberty SiriusXM Group | Employee Stock Option | Liberty employees and directors | Common Class C      
Stock-Based Compensation      
Grants of stock options 372 179 33
Weighted average GDFV | $ / shares $ 12.12 $ 11.62 $ 11.09
Liberty SiriusXM Group | Employee Stock Option | CEO | Common Class C      
Stock-Based Compensation      
Grants of stock options 1,053 1,419 633
Weighted average GDFV | $ / shares $ 11.03 $ 11.23 $ 11.56
Liberty SiriusXM Group | Time-based RSUs | CEO | Common Class C      
Stock-Based Compensation      
RSUs granted 9    
Restricted stock weighted average grant-date fair value | $ / shares $ 33.11    
Formula One Group | Common Class C      
Stock-Based Compensation      
Grants of stock options 2,531    
Formula One Group | Employee Stock Option | Liberty employees and directors | Common Class C      
Stock-Based Compensation      
Grants of stock options 305 139 21
Weighted average GDFV | $ / shares $ 14.29 $ 12.70 $ 8.99
Formula One Group | Employee Stock Option | CEO | Common Class C      
Stock-Based Compensation      
Grants of stock options 791 815 139
Weighted average GDFV | $ / shares $ 12.42 $ 11.67 $ 8.80
Formula One Group | Employee Stock Option | Formula 1 employees | Common Class C      
Stock-Based Compensation      
Vesting period 1 year    
Grants of stock options 1,435 2,005 1,888
Weighted average GDFV | $ / shares $ 7.55 $ 9.79 $ 8.64
Formula One Group | Performance based RSUs | CEO | Common Class C      
Stock-Based Compensation      
RSUs granted   60 86
Restricted stock weighted average grant-date fair value | $ / shares   $ 33.94 $ 31.99
Formula One Group | Time-based RSUs | CEO | Common Class C      
Stock-Based Compensation      
RSUs granted 7 12  
Restricted stock weighted average grant-date fair value | $ / shares $ 24.68 $ 33.94  
Braves Group | Common Class C      
Stock-Based Compensation      
Grants of stock options 2,220    
Braves Group | Employee Stock Option | Liberty employees and directors | Common Class C      
Stock-Based Compensation      
Grants of stock options 146 62 5
Weighted average GDFV | $ / shares $ 7.79 $ 7.33 $ 7.14
Braves Group | Employee Stock Option | Braves employees | Common Class C      
Stock-Based Compensation      
Grants of stock options 1,585    
Weighted average GDFV | $ / shares $ 8.52    
Vesting percentage 50.00%    
Braves Group | Employee Stock Option | CEO | Common Class C      
Stock-Based Compensation      
Grants of stock options 489 320 46
Weighted average GDFV | $ / shares $ 7.26 $ 7.36 $ 6.44
Braves Group | Performance based RSUs | CEO | Common Class C      
Stock-Based Compensation      
RSUs granted   38 12
Restricted stock weighted average grant-date fair value | $ / shares   $ 27.73 $ 23.34
Braves Group | Time-based RSUs | CEO | Common Class C      
Stock-Based Compensation      
RSUs granted 3 2  
Restricted stock weighted average grant-date fair value | $ / shares $ 18.17 $ 27.73