CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands		Total	Class A Common Stock		Parent [Member]	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	[1]					334,453
Beginning balance at Jan. 31, 2024		$ 5,190,594			$ 5,180,308	$ 34	[1]	$ (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]					3,186
Issuance of common stock upon exercise of stock options		23,480			23,480				23,480
Issuance of common stock under employee stock purchase plan (in shares)	[1]					346
Issuance of common stock under employee stock purchase plan		46,735			46,735				46,735
Vesting of restricted stock units (in shares)	[1]					5,452
Vesting of restricted stock units						$ 1	[1]		(1)
Shares withheld related to net share settlement of equity awards (in shares)	[1]					(1,879)
Shares withheld related to net share settlement of equity awards		(275,965)			(275,965)				(275,965)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any (in shares)	[1]					(5,939)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any		(916,329)			(916,329)	$ (1)	[1]				(916,328)
Reissuance of treasury stock upon settlement of equity awards (in shares)								32
Reissuance of treasury stock upon settlement of equity awards		83			83			$ 4,340	(4,257)
Stock-based compensation		701,735			701,735				701,735
Other comprehensive loss		2,841			2,841					2,841
Net income (loss)		(635,586)			(633,887)						(633,887)	(1,699)
Ending balance (in shares) at Jul. 31, 2024	[1]					335,620
Ending balance at Jul. 31, 2024		4,137,588			4,129,001	$ 34	[1]	$ (62,800)	9,822,965	(5,379)	(5,625,819)	8,587
Ending balance, treasury stock (in shares) at Jul. 31, 2024								(460)
Beginning balance (in shares) at Apr. 30, 2024	[2]					335,264
Beginning balance at Apr. 30, 2024		4,567,692			4,558,234	$ 34	[2]	$ (63,958)	9,546,792	(15,713)	(4,908,921)	9,458
Beginning balance, treasury stock (in shares) at Apr. 30, 2024								(469)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	[2]					1,816
Issuance of common stock upon exercise of stock options		12,963			12,963				12,963
Vesting of restricted stock units (in shares)	[2]					2,264
Vesting of restricted stock units						$ 1	[2]		(1)
Shares withheld related to net share settlement of equity awards (in shares)	[2]					(767)
Shares withheld related to net share settlement of equity awards		(98,881)			(98,881)				(98,881)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any (in shares)	[2]					(2,957)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any		(400,000)			(400,000)	$ (1)	[2]				(399,999)
Reissuance of treasury stock upon settlement of equity awards (in shares)								9
Reissuance of treasury stock upon settlement of equity awards		2			2			$ 1,158	(1,156)
Stock-based compensation		363,248			363,248				363,248
Other comprehensive loss		10,334			10,334					10,334
Net income (loss)		(317,770)			(316,899)						(316,899)	(871)
Ending balance (in shares) at Jul. 31, 2024	[1]					335,620
Ending balance at Jul. 31, 2024		4,137,588			4,129,001	$ 34	[1]	$ (62,800)	9,822,965	(5,379)	(5,625,819)	8,587
Ending balance, treasury stock (in shares) at Jul. 31, 2024								(460)
Beginning balance (in shares) at Jan. 31, 2025			333,865			334,301	[1]
Beginning balance at Jan. 31, 2025		$ 3,006,643			2,999,929	$ 34	[1]	$ (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
Ending balance (in shares) at Apr. 30, 2025	[2]					334,064
Ending balance at Apr. 30, 2025		$ 2,414,854			2,408,000	$ 34	[2]	$ (58,153)	10,672,455	8,171	(8,214,507)	6,854
Ending balance, treasury stock (in shares) at Apr. 30, 2025								(426)
Beginning balance (in shares) at Jan. 31, 2025			333,865			334,301	[1]
Beginning balance at Jan. 31, 2025		$ 3,006,643			2,999,929	$ 34	[1]	$ (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)	[1]					4,412
Issuance of common stock upon exercise of stock options		$ 36,678			36,678				36,678
Issuance of common stock under employee stock purchase plan (in shares)	[1]					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]					1
Vesting of restricted stock units (in shares)	[1]					4,753
Shares withheld related to net share settlement of equity awards (in shares)	[1]					(1,627)
Shares withheld related to net share settlement of equity awards		(297,470)			(297,470)				(297,470)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any (in shares)	[1]					(3,214)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any		(490,638)			(490,638)						(490,638)
Reissuance of treasury stock upon settlement of equity awards (in shares)								19
Reissuance of treasury stock upon settlement of equity awards		0						$ 2,537	(2,537)
Stock-based compensation		794,047			794,047				794,047
Other comprehensive loss		5,018			5,018					5,018
Net income (loss)		(727,882)			(728,109)						(728,109)	227
Ending balance (in shares) at Jul. 31, 2025			338,762	[3]		339,179	[1]
Ending balance at Jul. 31, 2025		$ 2,379,589			2,372,648	$ 34	[2]	$ (56,968)	10,939,122	2,782	(8,512,322)	6,941
Ending balance, treasury stock (in shares) at Jul. 31, 2025		(417)						(417)
Beginning balance (in shares) at Apr. 30, 2025	[2]					334,064
Beginning balance at Apr. 30, 2025		$ 2,414,854			2,408,000	$ 34	[2]	$ (58,153)	10,672,455	8,171	(8,214,507)	6,854
Beginning balance, treasury stock (in shares) at Apr. 30, 2025								(426)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		3,565				3,565	[2]
Issuance of common stock upon exercise of stock options		$ 30,460			30,460				30,460
Vesting of restricted stock units (in shares)	[2]					2,338
Shares withheld related to net share settlement of equity awards (in shares)	[2]					(788)
Shares withheld related to net share settlement of equity awards		(166,136)			(166,136)				(166,136)
Repurchases and retirement of common stock, including transaction costs and excise tax, if any		202			202						202
Reissuance of treasury stock upon settlement of equity awards (in shares)								9
Reissuance of treasury stock upon settlement of equity awards		0						$ 1,185	(1,185)
Stock-based compensation		403,528			403,528				403,528
Other comprehensive loss		(5,389)			(5,389)					(5,389)
Net income (loss)		(297,930)			(298,017)						(298,017)	87
Ending balance (in shares) at Jul. 31, 2025			338,762	[3]		339,179	[1]
Ending balance at Jul. 31, 2025		$ 2,379,589			$ 2,372,648	$ 34	[2]	$ (56,968)	$ 10,939,122	$ 2,782	$ (8,512,322)	$ 6,941
Ending balance, treasury stock (in shares) at Jul. 31, 2025		(417)						(417)

[1] On July 3, 2025, all authorized shares of the Company’s Class B common stock were eliminated and the Company’s Class A common stock was renamed to “common stock”, pursuant to the terms of the Company’s amended and restated certificate of incorporation. Unless otherwise noted, all references herein to the Company’s common stock refer to the Class A common stock prior to the effectiveness of the certificate. See Note 12, “Equity,” for further details.

[2] On July 3, 2025, all authorized shares of the Company’s Class B common stock were eliminated and the Company’s Class A common stock was renamed to “common stock”, pursuant to the terms of the Company’s amended and restated certificate of incorporation. Unless otherwise noted, all references herein to the Company’s common stock refer to the Class A common stock prior to the effectiveness of the certificate. See Note 12, “Equity,” for further details.

[3] On July 3, 2025, all authorized shares of the Company’s Class B common stock were eliminated and the Company’s Class A common stock was renamed to “common stock”, pursuant to the terms of the Company’s amended and restated certificate of incorporation. Unless otherwise noted, all references herein to the Company’s common stock refer to the Class A common stock prior to the effectiveness of the certificate. See Note 12, “Equity,” for further details.