CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Income Statement [Abstract]
Revenue	$ 1,136,727	$ 1,101,899	$ 3,380,767	$ 3,275,157
Cost of revenue	270,988	270,665	801,494	806,097
Gross profit	865,739	831,234	2,579,273	2,469,060
Operating expenses:
Research and development	196,832	195,946	597,905	512,801
Sales and marketing	374,378	427,747	1,170,255	1,191,004
General and administrative	125,140	141,033	454,364	389,939
Total operating expenses	696,350	764,726	2,222,524	2,093,744
Income from operations	169,389	66,508	356,749	375,316
(Losses) gains on strategic investments, net	(25,471)	(6,898)	8,474	(78,014)
Other income (expense), net	41,908	(4,861)	114,206	(8,482)
Income before provision for income taxes	185,826	54,749	479,429	288,820
Provision for income taxes	44,614	6,396	140,799	81,059
Net income	141,212	48,353	338,630	207,761
Undistributed earnings attributable to participating securities	0	0	0	(17)
Net income attributable to common stockholders	$ 141,212	$ 48,353	$ 338,630	$ 207,744
Net income per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.47	$ 0.16	$ 1.13	$ 0.70
Diluted (in dollars per share)	$ 0.45	$ 0.16	$ 1.10	$ 0.68
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	302,493,182	295,537,026	299,037,999	297,765,848
Diluted (in shares)	310,389,905	301,986,341	306,852,190	305,273,812