Post-effective amendment to a registration statement that is not immediately effective upon filing

Equity Incentive Plans - Stock Option Activity (Details)

v3.22.4
Equity Incentive Plans - Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of shares      
Outstanding at beginning of period (in shares) 80    
Granted (in shares) 9 19 14
Exercised (in shares) (21)    
Forfeited (in shares) (4)    
Expired (in shares) (1)    
Outstanding at ending of period (in shares) 63 80  
Number of shares, Exercisable (in shares) 43    
Weighted average exercise  price      
Outstanding at beginning of period (in usd per share) $ 1.44    
Granted (in usd per share) 2.46    
Exercised (in usd per share) 0.62    
Forfeited (in usd per share) 2.60    
Expired (in usd per share) 3.42    
Outstanding at end of period (in usd per share) 1.76 $ 1.44  
Weighted average exercise price, Exercisable (in usd per share) $ 1.38    
Weighted average remaining contractual term, Outstanding 6 years 10 months 24 days    
Weighted average remaining contractual term, Exercisable 6 years 3 months 18 days    
Aggregate intrinsic value, Outstanding $ 15    
Aggregate intrinsic value, Exercisable $ 15