Equity - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Apr. 30, 2022	Jan. 31, 2022
Number of Stock Options Outstanding (in thousands)
Balance, beginning of period (in shares)	17,146,000
Options granted (in shares)	0	7,936,000
Options exercised (in shares)	(758,000)
Options cancelled (in shares)	(5,000)
Options forfeited (in shares)	(586,000)
Balance, end of period (in shares)	15,797,000	17,146,000
Exercisable (in shares)	15,797,000
Options vested (in shares)	5,894,000
Options expected to vest (in shares)	9,903,000
Weighted Average Exercise Price
Balance, beginning of period (in USD per share)	$ 11.83
Options granted (in USD per share)	0
Options exercised (in USD per share)	7.26
Options cancelled (in USD per share)	8.96
Options forfeited (in USD per share)	13.30
Balance, end of period (in USD per share)	11.99	$ 11.83
Options vested (in USD per share)	7.15
Options expected to vest (in USD per share)	$ 14.87
Weighted Average Remaining Years
Beginning balance (in years)	7 years 11 months 15 days	8 years 2 months 26 days
Options granted (in years)
Options exercised (in years)	6 years 1 month 6 days
Options vested (in years)	7 years 3 days
Options expected to vest (in years)	8 years 6 months 7 days
Aggregate Intrinsic value (in millions)
Beginning balance	$ 894.8
Ending balance	567.7	$ 894.8
Options vested	240.4
Options expected to vest	$ 327.4