Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensations - Grants (Details)

v3.22.0.1
Stock-Based Compensations - Grants (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock-based compensation      
Volatility Rate, Minimum 53.70% 46.80% 30.10%
Volatility Rate, Maximum 57.10% 54.80% 44.80%
Common Class A      
Number of options      
Outstanding at beginning of period 40,553    
Granted 2,222    
Exercised (2,822)    
Forfeited/Cancelled (3,899)    
December Special Dividend adjustment 6,056    
Outstanding at end of period 42,110 40,553  
Exercisable at end of period 25,249    
WAEP      
Outstanding at beginning of period $ 10.61    
Exercise price 11.63    
Exercised 5.60    
Forfeited/Cancelled 12.76    
December Special Dividend adjustment 9.24    
Outstanding at end of period 9.23 $ 10.61  
Exercisable at end of period $ 11.80    
Additional disclosures      
Weighted average remaining life - options outstanding 3 years 4 months 24 days    
Weighted average remaining life - options exercisable 2 years 2 months 12 days    
Aggregate intrinsic value of options outstanding $ 58    
Aggregate intrinsic value of options exercisable $ 10    
Common Class B      
Number of options      
Outstanding at beginning of period 3,243    
Forfeited/Cancelled (1,335)    
December Special Dividend adjustment 313    
Outstanding at end of period 2,221 3,243  
Exercisable at end of period 2,221    
WAEP      
Outstanding at beginning of period $ 15.39    
Forfeited/Cancelled 16.93    
December Special Dividend adjustment 12.33    
Outstanding at end of period 12.25 $ 15.39  
Exercisable at end of period $ 12.25    
Additional disclosures      
Weighted average remaining life - options outstanding 1 year 9 months 18 days    
Weighted average remaining life - options exercisable 1 year 9 months 18 days    
Minimum [Member]      
Stock-based compensation      
Expected term 5 years 3 months 18 days 5 years 3 months 18 days 5 years 3 months 18 days
Maximum [Member]      
Stock-based compensation      
Expected term 6 years 3 months 18 days 6 years 3 months 18 days 6 years 3 months 18 days