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, 2022		$ 7,750,000	$ (528,000)	$ (1,816,000)	$ 156,000	$ (12,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		30,000
Stock-based compensation		343,000
Settlement of convertible senior notes		12,000
Net loss	$ (453,000)			(453,000)
Other comprehensive income (loss)						(29,000)
Ending balance at Jul. 31, 2022	5,453,000	7,607,000		(2,113,000)		(41,000)
Beginning balance at Apr. 30, 2022		7,412,000		(1,903,000)		(36,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		23,000
Stock-based compensation		172,000
Net loss	(210,000)			(210,000)
Other comprehensive income (loss)						(5,000)
Ending balance at Jul. 31, 2022	5,453,000	7,607,000		(2,113,000)		(41,000)
Beginning balance at Jan. 31, 2023	5,466,000	7,974,000		(2,475,000)		(33,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		37,000
Stock-based compensation		352,000
Settlement of warrants		(4,000)
Net loss	(230,000)			(230,000)
Other comprehensive income (loss)						19,000
Ending balance at Jul. 31, 2023	5,640,000	8,359,000		(2,705,000)		(14,000)
Beginning balance at Apr. 30, 2023		8,148,000		(2,594,000)		(20,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		29,000
Stock-based compensation		186,000
Settlement of warrants		(4,000)
Net loss	(111,000)			(111,000)
Other comprehensive income (loss)						6,000
Ending balance at Jul. 31, 2023	$ 5,640,000	$ 8,359,000		$ (2,705,000)		$ (14,000)