CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common stock and additional paid-in capital	Common stock and additional paid-in capital Adjustment	Accumulated deficit	Accumulated deficit Adjustment	Accumulated other comprehensive income
Beginning balance at Jan. 31, 2021		$ 1,656,109		$ (967,456)		$ 5,390
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock and value of equity awards assumed in connection with business combination		5,409,344
Issuance of common stock upon exercise of stock options and other activity, net		64,119
Stock-based compensation		408,482
Settlement of convertible senior notes		20,776
Proceeds from hedges related to convertible senior notes		2
Net loss	$ (607,225)			(607,225)
Other comprehensive loss						(4,986)
Ending balance at Oct. 31, 2021	5,984,555	7,558,832		(1,574,681)		404
Beginning balance at Jan. 31, 2021		1,656,109		(967,456)		5,390
Ending balance at Jan. 31, 2022	$ 5,921,856	7,749,732	$ (527,444)	(1,815,867)	$ 155,856	(12,009)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06 [Member]
Beginning balance at Jul. 31, 2021		7,391,185		(1,353,370)		4,375
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		11,208
Stock-based compensation		156,447
Settlement of convertible senior notes		(8)
Net loss	$ (221,311)			(221,311)
Other comprehensive loss						(3,971)
Ending balance at Oct. 31, 2021	5,984,555	7,558,832		(1,574,681)		404
Beginning balance at Jan. 31, 2022	5,921,856	7,749,732	$ (527,444)	(1,815,867)	$ 155,856	(12,009)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		36,039
Stock-based compensation		515,507
Settlement of convertible senior notes		11,934
Proceeds from hedges related to convertible senior notes		1
Net loss	(662,082)			(662,082)
Other comprehensive loss						(44,055)
Ending balance at Oct. 31, 2022	5,407,612	7,785,769		(2,322,093)		(56,064)
Beginning balance at Jul. 31, 2022		7,607,398		(2,113,196)		(41,186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		6,088
Stock-based compensation		172,283
Settlement of convertible senior notes		0
Net loss	(208,897)			(208,897)
Other comprehensive loss						(14,878)
Ending balance at Oct. 31, 2022	$ 5,407,612	$ 7,785,769		$ (2,322,093)		$ (56,064)