CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Revenue:
Total revenue	$ 556,000	$ 452,000	$ 1,074,000	$ 867,000
Cost of revenue:
Total cost of revenue	149,000	138,000	291,000	269,000
Gross profit	407,000	314,000	783,000	598,000
Operating expenses:
Research and development	172,000	156,000	335,000	318,000
Sales and marketing	261,000	265,000	517,000	517,000
General and administrative	119,000	101,000	229,000	211,000
Restructuring and other charges	17,000	0	24,000	0
Total operating expenses	569,000	522,000	1,105,000	1,046,000
Operating loss	(162,000)	(208,000)	(322,000)	(448,000)
Interest expense	(2,000)	(3,000)	(5,000)	(6,000)
Interest income and other, net	18,000	5,000	35,000	7,000
Gain on early extinguishment of debt	42,000	0	73,000	0
Interest and other, net	58,000	2,000	103,000	1,000
Loss before provision for income taxes	(104,000)	(206,000)	(219,000)	(447,000)
Provision for income taxes	7,000	4,000	11,000	6,000
Net loss	$ (111,000)	$ (210,000)	$ (230,000)	$ (453,000)
Net loss per share, basic (in dollars per share)	$ (0.68)	$ (1.34)	$ (1.42)	$ (2.89)
Net loss per share, diluted (in dollars per share)	$ (0.68)	$ (1.34)	$ (1.42)	$ (2.89)
Weighted-average shares used to compute net loss per share, basic (in shares)	162,755	157,400	162,051	156,650
Weighted-average shares used to compute net loss per share, diluted (in shares)	162,755	157,400	162,051	156,650
Subscription
Revenue:
Total revenue	$ 542,000	$ 435,000	$ 1,045,000	$ 833,000
Cost of revenue:
Total cost of revenue	128,000	117,000	250,000	228,000
Professional services and other
Revenue:
Total revenue	14,000	17,000	29,000	34,000
Cost of revenue:
Total cost of revenue	$ 21,000	$ 21,000	$ 41,000	$ 41,000