CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Income Statement [Abstract]
Revenue	$ 4,392,960	$ 4,099,864	$ 2,651,368
Cost of revenue	1,100,451	1,054,554	821,989
Gross profit	3,292,509	3,045,310	1,829,379
Operating expenses:
Research and development	774,059	362,990	164,080
Sales and marketing	1,696,590	1,135,959	684,904
General and administrative	576,431	482,770	320,547
Total operating expenses	3,047,080	1,981,719	1,169,531
Income from operations	245,429	1,063,591	659,848
(Losses) gains on strategic investments, net	(37,571)	43,761	2,538
Other income (expense), net	41,418	(5,720)	15,648
Income before provision for (benefit from) income taxes	249,276	1,101,632	678,034
Provision for (benefit from) income taxes	145,565	(274,007)	5,718
Net income	103,711	1,375,639	672,316
Undistributed earnings attributable to participating securities	(7)	(582)	(789)
Net income attributable to common stockholders	$ 103,704	$ 1,375,057	$ 671,527
Net income per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.35	$ 4.64	$ 2.37
Diluted (in dollars per share)	$ 0.34	$ 4.50	$ 2.25
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	296,560,501	296,334,894	283,853,654
Diluted (in shares)	304,231,350	305,826,505	298,127,669