Equity - Option Activity Rollforward (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Shares Available for Grant (in thousands)
Shares available for grant, beginning (in shares)	52,989,000	45,446,000	32,870,000
Shares authorized (in shares)	16,165,000	15,619,000	14,397,000
Options canceled (in shares)	128,000	713,000	1,629,000
Options granted (shares)	0	(642,000)	0
Granted (in dollars per share)		$ 207.56
Shares available for grant, ending (in shares)	59,371,000	52,989,000	45,446,000	32,870,000
Number of Options Outstanding (in thousands)
Shares outstanding, beginning (in shares)	35,854,000	42,043,000	64,575,000
Options exercise (in shares)	(8,357,000)	(6,118,000)	(20,903,000)
Options canceled (in shares)	(128,000)	(713,000)	(1,629,000)
Shares outstanding, ending (in shares)	27,369,000	35,854,000	42,043,000	64,575,000
Weighted- Average Exercise Price
Shares outstanding, beginning balance (in dollars per share)	$ 11.27	$ 7.53	$ 7.04
Exercises (in dollars per share)	6.84	6.50	6.08
Canceled (in shares)	70.59	8.02	6.80
Shares outstanding, ending balance (in dollars per share)	$ 12.35	$ 11.27	$ 7.53	$ 7.04
Weighted-average remaining contractual life	5 years	5 years 10 months 24 days	6 years 10 months 24 days	7 years 8 months 12 days
Aggregate Intrinsic Value (in thousands)
Aggregate intrinsic value	$ 5,023,664	$ 5,237,549	$ 11,283,299	$ 17,138,896
Vested and exercisable (in shares)	26,774,000
Vested and exercisable, weighted average share price (in dollars per share)	$ 10.00
Vested and exercisable, weighted average remaining contractual life	5 years
Vested and exercisable, intrinsic value	$ 4,973,515
RSUs
Shares Available for Grant (in thousands)
RSU's granted (in shares)	(14,088,000)	(10,788,000)	(4,026,000)
Shares withheld (in shares)	2,296,000	1,149,000
RSU's forfeited (in shares)	1,881,000	1,492,000	576,000