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Equity - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2022
Jul. 31, 2022
Oct. 31, 2022
Jan. 31, 2022
Number of Stock Options Outstanding (in thousands)        
Balance, beginning of period (in shares)   17,146,000 17,146,000  
Options granted (in shares) 0   0 7,936,000
Options exercised (in shares)     (1,993,000)  
Options cancelled (in shares)     (28,000)  
Options forfeited (in shares)     (1,252,000)  
Balance, end of period (in shares) 13,873,000   13,873,000 17,146,000
Options vested (in shares) 7,109,000   7,109,000  
Options expected to vest (in shares) 13,873,000   13,873,000  
Weighted Average Exercise Price        
Balance, beginning of period (in USD per share)   $ 11.83 $ 11.83  
Options granted (in USD per share)     0  
Options exercised (in USD per share)     8.99  
Options cancelled (in USD per share)     8.78  
Options forfeited (in USD per share)     13.87  
Balance, end of period (in USD per share) $ 12.05   12.05 $ 11.83
Options vested (in USD per share)     8.80  
Options expected to vest (in USD per share)     $ 12.05  
Weighted Average Remaining Years        
Beginning balance (in years)   8 years 2 months 26 days 7 years 2 months 1 day  
Options granted (in years)      
Options exercised (in years)      
Options vested (in years)     6 years 5 months 1 day  
Options expected to vest (in years)     7 years 2 months 1 day  
Aggregate Intrinsic value (in millions)        
Beginning balance   $ 894.8 $ 894.8  
Ending balance $ 505.1   505.1 $ 894.8
Options vested 281.9   281.9  
Options expected to vest $ 505.1   $ 505.1