CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Revenue:
Total revenue	$ 481,042	$ 350,680	$ 1,347,792	$ 917,186
Cost of revenue:
Total cost of revenue	137,653	109,674	406,512	276,903
Gross profit	343,389	241,006	941,280	640,283
Operating expenses:
Research and development	148,484	130,535	465,971	321,805
Sales and marketing	289,984	203,878	807,110	548,749
General and administrative	111,520	105,149	322,549	322,406
Total operating expenses	549,988	439,562	1,595,630	1,192,960
Operating loss	(206,599)	(198,556)	(654,350)	(552,677)
Interest expense	(2,805)	(23,144)	(8,588)	(68,776)
Interest income and other, net	4,235	1,056	10,660	7,622
Loss on conversion of debt	0	0	0	(179)
Interest and other, net	1,430	(22,088)	2,072	(61,333)
Loss before provision for (benefit from) income taxes	(205,169)	(220,644)	(652,278)	(614,010)
Provision for (benefit from) income taxes	3,728	667	9,804	(6,785)
Net loss	$ (208,897)	$ (221,311)	$ (662,082)	$ (607,225)
Net loss per share, basic (in dollars per share)	$ (1.32)	$ (1.44)	$ (4.21)	$ (4.17)
Net loss per share, diluted (in dollars per share)	$ (1.32)	$ (1.44)	$ (4.21)	$ (4.17)
Weighted-average shares outstanding, basic (in shares)	158,708	153,756	157,344	145,782
Weighted-average shares outstanding, diluted (in shares)	158,708	153,756	157,344	145,782
Subscription
Revenue:
Total revenue	$ 465,856	$ 336,702	$ 1,299,181	$ 879,881
Cost of revenue:
Total cost of revenue	117,306	91,048	344,524	227,903
Professional services and other
Revenue:
Total revenue	15,186	13,978	48,611	37,305
Cost of revenue:
Total cost of revenue	$ 20,347	$ 18,626	$ 61,988	$ 49,000