Equity - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended
	Jul. 31, 2022	Apr. 30, 2022	Jul. 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)			(1,409,000)
Options cancelled (in shares)			(14,000)
Options forfeited (in shares)			(835,000)
Balance, end of period (in shares)	14,888,000		14,888,000	17,146,000
Options vested (in shares)	6,663,000		6,663,000
Options expected to vest (in shares)	14,888,000		14,888,000
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)			8.29
Options cancelled (in USD per share)			10.02
Options forfeited (in USD per share)			13.60
Balance, end of period (in USD per share)	$ 12.06		12.06	$ 11.83
Options vested (in USD per share)			8.24
Options expected to vest (in USD per share)			$ 12.06
Weighted Average Remaining Years
Beginning balance (in years)		8 years 2 months 26 days	7 years 8 months 23 days
Options granted (in years)
Options exercised (in years)
Options vested (in years)			7 years 7 days
Options expected to vest (in years)			7 years 8 months 23 days
Aggregate Intrinsic value (in millions)
Beginning balance		$ 894.8	$ 894.8
Ending balance	$ 675.0		675.0	$ 894.8
Options vested	327.6		327.6
Options expected to vest	$ 675.0		$ 675.0