Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensations - Grants (Details)

v3.20.4
Stock-Based Compensations - Grants (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Stock-based compensation      
Dividend rate 0.00% 0.00% 0.00%
Volatility Rate, Minimum 46.80% 30.10% 29.70%
Volatility Rate, Maximum 54.80% 44.80% 30.50%
Liberty Ventures common stock      
Stock-based compensation      
Volatility Rate, Minimum     27.90%
Volatility Rate, Maximum     27.90%
Common Class A      
Number of options      
Outstanding at beginning of period 23,248    
Granted 6,756    
Exercised (1,297)    
Forfeited/Cancelled (5,958)    
Special Dividend adjustment 15,145    
December Special Dividend adjustment 2,659    
Outstanding at end of period 40,553 23,248  
Exercisable at end of period 22,874    
WAEP      
Outstanding at beginning of period $ 21.28    
Exercise price 6.15    
Exercised 2.95    
Forfeited/Cancelled 17.12    
Special Dividend adjustment 11.19    
December Special Dividend adjustment 10.56    
Outstanding at end of period 10.61 $ 21.28  
Exercisable at end of period $ 14.12    
Additional disclosures      
Weighted average remaining life - options outstanding 4 years 2 months 12 days    
Weighted average remaining life - options exercisable 2 years 10 months 24 days    
Aggregate intrinsic value of options outstanding $ 108    
Aggregate intrinsic value of options exercisable $ 13    
Common Class B      
Number of options      
Outstanding at beginning of period 1,844    
Special Dividend adjustment 1,182    
December Special Dividend adjustment 217    
Outstanding at end of period 3,243 1,844  
Exercisable at end of period 3,243    
WAEP      
Outstanding at beginning of period $ 27.09    
Special Dividend adjustment 16.51    
December Special Dividend adjustment 15.39    
Outstanding at end of period 15.39 $ 27.09  
Exercisable at end of period $ 15.39    
Additional disclosures      
Weighted average remaining life - options outstanding 2 years 1 month 6 days    
Weighted average remaining life - options exercisable 2 years 1 month 6 days    
Minimum      
Stock-based compensation      
Expected term 5 years 2 months 12 days 5 years 2 months 12 days 5 years 2 months 12 days
Maximum      
Stock-based compensation      
Expected term 6 years 3 months 18 days 6 years 3 months 18 days 6 years 3 months 18 days