Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans - Stock Option Activity (Details)

v3.23.1
Equity Incentive Plans - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Number of shares    
Outstanding at beginning of period (in shares) 63,000,000  
Granted (in shares) 37,000,000 0
Exercised (in shares) (2,000,000)  
Forfeited (in shares) (1,000,000)  
Expired (in shares) 0  
Outstanding at ending of period (in shares) 97,000,000  
Number of shares, Exercisable (in shares) 44,000,000  
Weighted average exercise  price    
Outstanding at beginning of period (in usd per share) $ 1.76  
Granted (in usd per share) 1.42  
Exercised (in usd per share) 0.45  
Forfeited (in usd per share) 2.49  
Expired (in usd per share) 2.51  
Outstanding at end of period (in usd per share) 1.64  
Weighted average exercise price, Exercisable (in usd per share) $ 1.45  
Weighted average remaining contractual term, Outstanding 7 years 10 months 24 days  
Weighted average remaining contractual term, Exercisable 6 years 1 month 6 days  
Aggregate intrinsic value, Outstanding $ 15  
Aggregate intrinsic value, Exercisable $ 15