CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Cash flows from operating activities:
Net income (loss)	$ (1,329,035)	$ (1,289,212)	$ (837,990)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	220,443	182,508	119,903
Non-cash operating lease costs	66,463	59,943	52,892
Amortization of deferred commissions	140,415	93,128	74,787
Asset impairment related to office facility exit	108,715	0	0
Stock-based compensation, net of amounts capitalized	1,599,547	1,479,314	1,168,015
Net accretion of discounts on investments	(21,813)	(43,434)	(61,525)
Net realized and unrealized losses (gains) on strategic investments in equity securities	59,895	31,420	(46,809)
Amortization of debt issuance costs	8,298	2,759	0
Deferred income tax	(2,337)	(7,671)	(26,762)
Non-cash restructuring charges (recoveries), net	(11,159)	1,391	0
Other	(1,250)	6,029	14,895
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(379,969)	536	(212,083)
Deferred commissions	(305,063)	(101,569)	(134,787)
Prepaid expenses and other assets	(44,516)	29,850	59,795
Accounts payable	(8,299)	108,852	19,212
Accrued expenses and other liabilities	393,337	70,876	171,048
Operating lease liabilities	(26,949)	(47,711)	(40,498)
Deferred revenue	755,219	382,755	528,029
Net cash provided by operating activities	1,221,942	959,764	848,122
Cash flows from investing activities:
Purchases of property and equipment	(101,628)	(46,279)	(35,086)
Capitalized software development costs	0	(29,433)	(34,133)
Cash paid for business combinations, net of cash, cash equivalents, and restricted cash acquired	(178,850)	(30,305)	(275,706)
Purchases of intangible assets	(3,101)	0	(28,744)
Purchases of investments	(2,040,420)	(2,569,243)	(2,476,206)
Sales of investments	21,203	64,573	11,266
Maturities and redemptions of investments	2,615,037	2,802,082	3,670,867
Settlement of cash flow hedges	0	(749)	0
Net cash provided by investing activities	312,241	190,646	832,258
Cash flows from financing activities:
Proceeds from exercise of stock options	84,130	44,886	57,194
Proceeds from issuance of common stock under employee stock purchase plan	88,123	77,053	61,234
Taxes paid related to net share settlement of equity awards	(672,867)	(489,149)	(380,799)
Repurchases of common stock	(873,537)	(1,932,333)	(591,732)
Distributions to noncontrolling interest holders	(9,295)	0	0
Payments of deferred purchase consideration for business combinations	(1,944)	(250)	0
Gross proceeds from issuance of convertible senior notes	0	2,300,000	0
Cash paid for issuance costs on convertible senior notes	0	(31,230)	0
Purchases of capped calls related to convertible senior notes	0	(195,500)	0
Net cash used in financing activities	(1,385,390)	(226,523)	(854,103)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	16,832	(6,186)	(2,031)
Net increase in cash, cash equivalents, and restricted cash	165,625	917,701	824,246
Cash, cash equivalents, and restricted cash—beginning of period	2,698,678	1,780,977	956,731
Cash, cash equivalents, and restricted cash—end of period	2,864,303	2,698,678	1,780,977
Supplemental disclosures of non-cash investing and financing activities
Property and equipment included in accounts payable and accrued expenses	17,206	36,061	17,463
Stock-based compensation included in capitalized software development costs	0	38,493	48,181
Issuance of common stock in connection with business combinations	13,074	87,706	174,284
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	2,828,163	2,628,798	1,762,749
Restricted cash—included in other assets and prepaid expenses and other current assets	36,140	69,880	18,228
Total cash, cash equivalents, and restricted cash	$ 2,864,303	$ 2,698,678	$ 1,780,977