CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Cash flows from operating activities:
Net loss	$ (1,289,212)	$ (837,990)	$ (797,526)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	182,508	119,903	63,535
Non-cash operating lease costs	59,943	52,892	46,240
Amortization of deferred commissions	93,128	74,787	57,445
Stock-based compensation, net of amounts capitalized	1,479,314	1,168,015	861,533
Net amortization (accretion) of premiums (discounts) on investments	(43,434)	(61,525)	3,497
Net realized and unrealized losses (gains) on strategic investments in equity securities	31,420	(46,809)	46,435
Amortization of debt issuance costs	2,759	0	0
Deferred income tax	(7,671)	(26,762)	(26,664)
Other	7,420	14,895	1,618
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	536	(212,083)	(166,965)
Deferred commissions	(101,569)	(134,787)	(95,107)
Prepaid expenses and other assets	29,850	59,795	(2,904)
Accounts payable	108,852	19,212	8,024
Accrued expenses and other liabilities	70,876	171,048	74,519
Operating lease liabilities	(47,711)	(40,498)	(42,342)
Deferred revenue	382,755	528,029	514,301
Net cash provided by operating activities	959,764	848,122	545,639
Cash flows from investing activities:
Purchases of property and equipment	(46,279)	(35,086)	(25,128)
Capitalized internal-use software development costs	(29,433)	(34,133)	(24,012)
Cash paid for business combinations, net of cash, cash equivalents, and restricted cash acquired	(30,305)	(275,706)	(362,609)
Purchases of intangible assets	0	(28,744)	(700)
Purchases of investments	(2,569,243)	(2,476,206)	(3,901,321)
Sales of investments	64,573	11,266	58,813
Maturities and redemptions of investments	2,802,082	3,670,867	3,657,072
Settlement of cash flow hedges	(749)	0	0
Net cash provided by (used in) investing activities	190,646	832,258	(597,885)
Cash flows from financing activities:
Proceeds from exercise of stock options	44,886	57,194	39,893
Proceeds from issuance of common stock under employee stock purchase plan	77,053	61,234	40,931
Taxes paid related to net share settlement of equity awards	(489,149)	(380,799)	(184,648)
Repurchases of common stock	(1,932,333)	(591,732)	0
Payments of deferred purchase consideration for business combinations	(250)	0	(1,800)
Gross proceeds from issuance of convertible senior notes	2,300,000	0	0
Cash paid for issuance costs on convertible senior notes	(31,230)	0	0
Purchases of capped calls related to convertible senior notes	(195,500)	0	0
Capital contributions from noncontrolling interest holders	0	0	13,000
Net cash used in financing activities	(226,523)	(854,103)	(92,624)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(6,186)	(2,031)	(933)
Net increase (decrease) in cash, cash equivalents, and restricted cash	917,701	824,246	(145,803)
Cash, cash equivalents, and restricted cash—beginning of period	1,780,977	956,731	1,102,534
Cash, cash equivalents, and restricted cash—end of period	2,698,678	1,780,977	956,731
Supplemental disclosures of cash flow information:
Cash paid for income taxes	15,675	12,452	6,550
Supplemental disclosures of non-cash investing and financing activities
Property and equipment included in accounts payable and accrued expenses	36,061	17,463	6,317
Stock-based compensation included in capitalized internal-use software development costs	38,493	48,181	28,467
Issuance of common stock in connection with business combinations	87,706	174,284	438,916
Unpaid taxes related to net share settlement of equity awards included in accrued expenses and other current liabilities	7,273	6,850	53
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	2,628,798	1,762,749	939,902
Restricted cash—included in other assets and prepaid expenses and other current assets	69,880	18,228	16,829
Total cash, cash equivalents, and restricted cash	$ 2,698,678	$ 1,780,977	$ 956,731