CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Income Statement [Abstract]
Revenue	$ 1,101,899	$ 1,050,756	$ 3,275,157	$ 3,028,488
Cost of revenue	270,665	270,957	806,097	797,207
Gross profit	831,234	779,799	2,469,060	2,231,281
Operating expenses:
Research and development	195,946	98,508	512,801	245,994
Sales and marketing	427,747	293,698	1,191,004	810,544
General and administrative	141,033	96,736	389,939	362,971
Total operating expenses	764,726	488,942	2,093,744	1,419,509
Income from operations	66,508	290,857	375,316	811,772
(Losses) gains on strategic investments, net	(6,898)	122,421	(78,014)	154,497
Other expense, net	(4,861)	(2,995)	(8,482)	(3,171)
Income before provision for income taxes	54,749	410,283	288,820	963,098
Provision for income taxes	6,396	69,900	81,059	78,100
Net income	48,353	340,383	207,761	884,998
Undistributed earnings attributable to participating securities	0	(112)	(17)	(430)
Net income attributable to common stockholders	$ 48,353	$ 340,271	$ 207,744	$ 884,568
Net income per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.16	$ 1.14	$ 0.70	$ 2.99
Diluted (in dollars per share)	$ 0.16	$ 1.11	$ 0.68	$ 2.89
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	295,537,026	297,375,011	297,765,848	295,647,626
Diluted (in shares)	301,986,341	305,939,624	305,273,812	305,726,733