CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Class A Common Stock	Parent [Member]	Common Stock Class A Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Noncontrolling Interest
Beginning balance (in shares) at Jan. 31, 2024				334,453
Beginning balance at Jan. 31, 2024	$ 5,190,594		$ 5,180,308	$ 34	$ (67,140)	$ 9,331,238	$ (8,220)	$ (4,075,604)	$ 10,286
Beginning balance, treasury stock (in shares) at Jan. 31, 2024					(492)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)				1,370
Issuance of common stock upon exercise of stock options	10,517		10,517			10,517
Issuance of common stock under employee stock purchase plan (in shares)				346
Issuance of common stock under employee stock purchase plan	46,735		46,735			46,735
Vesting of restricted stock units (in shares)				3,188
Shares withheld related to net share settlement of equity awards (in shares)				(1,112)
Shares withheld related to net share settlement of equity awards	(177,084)		(177,084)			(177,084)
Repurchases and retirement of common stock, including transaction costs and excise tax (in shares)				(2,982)
Repurchases and retirement of common stock, including transaction costs and excise tax	(516,329)		(516,329)					(516,329)
Reissuance of treasury stock upon settlement of equity awards (in shares)					23
Reissuance of treasury stock upon settlement of equity awards	81		81		$ 3,182	(3,101)
Stock-based compensation	338,487		338,487			338,487
Other comprehensive income	(7,493)		(7,493)				(7,493)
Net loss	(317,816)		(316,988)					(316,988)	(828)
Ending balance (in shares) at Apr. 30, 2024				335,264
Ending balance at Apr. 30, 2024	4,567,692		4,558,234	$ 34	$ (63,958)	9,546,792	(15,713)	(4,908,921)	9,458
Ending balance, treasury stock (in shares) at Apr. 30, 2024					(469)
Beginning balance (in shares) at Jan. 31, 2025		333,865		334,301
Beginning balance at Jan. 31, 2025	$ 3,006,643		2,999,929	$ 34	$ (59,505)	10,355,211	(2,236)	(7,293,575)	6,714
Beginning balance, treasury stock (in shares) at Jan. 31, 2025	(436)				(436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	847			847
Issuance of common stock upon exercise of stock options	$ 6,218		6,218			6,218
Issuance of common stock under employee stock purchase plan (in shares)				554
Issuance of common stock under employee stock purchase plan	53,193		53,193			53,193
Issuance of common stock in connection with a business combination (in shares)				1
Vesting of restricted stock units (in shares)				2,415
Shares withheld related to net share settlement of equity awards (in shares)				(839)
Shares withheld related to net share settlement of equity awards	(131,334)		(131,334)			(131,334)
Repurchases and retirement of common stock, including transaction costs and excise tax (in shares)				(3,214)
Repurchases and retirement of common stock, including transaction costs and excise tax	(490,840)		(490,840)					(490,840)
Reissuance of treasury stock upon settlement of equity awards (in shares)					10
Reissuance of treasury stock upon settlement of equity awards	0		0		$ 1,352	(1,352)
Stock-based compensation	390,519		390,519			390,519
Other comprehensive income	10,407		10,407				10,407
Net loss	(429,952)		(430,092)					(430,092)	140
Ending balance (in shares) at Apr. 30, 2025		333,638		334,064
Ending balance at Apr. 30, 2025	$ 2,414,854		$ 2,408,000	$ 34	$ (58,153)	$ 10,672,455	$ 8,171	$ (8,214,507)	$ 6,854
Ending balance, treasury stock (in shares) at Apr. 30, 2025	(426)				(426)