CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Revenue:
Total revenue	$ 451,807	$ 315,500	$ 866,750	$ 566,506
Cost of revenue:
Total cost of revenue	137,694	101,106	268,859	167,229
Gross profit	314,113	214,394	597,891	399,277
Operating expenses:
Research and development	155,836	122,407	317,487	191,270
Sales and marketing	264,653	198,350	517,126	344,871
General and administrative	101,686	157,077	211,029	217,257
Total operating expenses	522,175	477,834	1,045,642	753,398
Operating loss	(208,062)	(263,440)	(447,751)	(354,121)
Interest expense	(2,915)	(22,872)	(5,783)	(45,632)
Interest income and other, net	4,721	2,211	6,425	6,566
Loss on conversion of debt	0	(43)	0	(179)
Interest and other, net	1,806	(20,704)	642	(39,245)
Loss before provision for (benefit from) income taxes	(206,256)	(284,144)	(447,109)	(393,366)
Provision for (benefit from) income taxes	4,216	(7,462)	6,076	(7,452)
Net loss	$ (210,472)	$ (276,682)	$ (453,185)	$ (385,914)
Net loss per share, basic (in dollars per share)	$ (1.34)	$ (1.83)	$ (2.89)	$ (2.72)
Net loss per share, diluted (in dollars per share)	$ (1.34)	$ (1.83)	$ (2.89)	$ (2.72)
Weighted-average shares outstanding, basic (in shares)	157,400	151,357	156,650	141,720
Weighted-average shares outstanding, diluted (in shares)	157,400	151,357	156,650	141,720
Subscription
Revenue:
Total revenue	$ 435,384	$ 303,121	$ 833,325	$ 543,179
Cost of revenue:
Total cost of revenue	116,342	84,457	227,218	136,855
Professional services and other
Revenue:
Total revenue	16,423	12,379	33,425	23,327
Cost of revenue:
Total cost of revenue	$ 21,352	$ 16,649	$ 41,641	$ 30,374