CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Cash flows from operating activities:
Net loss	$ (668,078)	$ (590,042)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	84,917	43,809
Non-cash operating lease costs	39,141	33,579
Amortization of deferred commissions	54,722	41,525
Stock-based compensation, net of amounts capitalized	862,517	610,837
Net amortization (accretion) of premiums (discounts) on investments	(49,226)	12,331
Net unrealized losses (gains) on strategic investments in equity securities	(1,105)	45,096
Deferred income tax	(13,107)	(25,277)
Other	14,286	678
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	205,138	150,723
Deferred commissions	(66,470)	(63,627)
Prepaid expenses and other assets	51,574	13,169
Accounts payable	51,672	10,304
Accrued expenses and other liabilities	33,709	27,727
Operating lease liabilities	(28,739)	(29,176)
Deferred revenue	(67,409)	46,667
Net cash provided by operating activities	503,542	328,323
Cash flows from investing activities:
Purchases of property and equipment	(22,014)	(19,766)
Capitalized internal-use software development costs	(27,104)	(17,319)
Cash paid for business combinations, net of cash, cash equivalents, and restricted cash acquired	(279,534)	(352,555)
Purchases of intangible assets	(28,744)	(700)
Purchases of investments	(2,095,329)	(2,796,167)
Sales of investments	11,266	58,813
Maturities and redemptions of investments	2,751,148	2,594,593
Net cash provided by (used in) investing activities	309,689	(533,101)
Cash flows from financing activities:
Proceeds from exercise of stock options	38,854	31,095
Proceeds from issuance of common stock under employee stock purchase plan	61,234	40,931
Taxes paid related to net share settlement of equity awards	(273,828)	(135,766)
Repurchases of common stock	(591,732)	0
Capital contributions from noncontrolling interest holders	0	13,000
Payments of deferred purchase consideration for a business combination	0	(1,800)
Net cash used in financing activities	(765,472)	(52,540)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(4,595)	(9,390)
Net increase (decrease) in cash, cash equivalents, and restricted cash	43,164	(266,708)
Cash, cash equivalents, and restricted cash—beginning of period	956,731	1,102,534
Cash, cash equivalents, and restricted cash—end of period	999,895	835,826
Supplemental disclosures of non-cash investing and financing activities:
Property and equipment included in accounts payable and accrued expenses	7,690	5,841
Stock-based compensation included in capitalized software development costs	37,230	20,295
Issuance of common stock in connection with a business combination	0	438,916
Unpaid taxes related to net share settlement of equity awards included in accrued expenses and other current liabilities	5,293	2,874
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	982,182	819,003
Restricted cash—included in other assets and prepaid expenses and other current assets	17,713	16,823
Total cash, cash equivalents, and restricted cash	$ 999,895	$ 835,826