CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Cash flows from operating activities:
Net loss	$ (837,990)	$ (797,526)	$ (679,948)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	119,903	63,535	21,498
Non-cash operating lease costs	52,892	46,240	35,553
Amortization of deferred commissions	74,787	57,445	37,876
Stock-based compensation, net of amounts capitalized	1,168,015	861,533	605,095
Net amortization (accretion) of premiums (discounts) on investments	(61,525)	3,497	48,002
Net realized and unrealized losses (gains) on strategic investments in equity securities	(46,809)	46,435	(27,621)
Deferred income tax	(26,762)	(26,664)	(717)
Other	14,895	1,618	2,014
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(212,083)	(166,965)	(251,652)
Deferred commissions	(134,787)	(95,107)	(95,877)
Prepaid expenses and other assets	59,795	(2,904)	(159,159)
Accounts payable	19,212	8,024	7,371
Accrued expenses and other liabilities	171,048	74,519	79,772
Operating lease liabilities	(40,498)	(42,342)	(38,249)
Deferred revenue	528,029	514,301	526,221
Net cash provided by operating activities	848,122	545,639	110,179
Cash flows from investing activities:
Purchases of property and equipment	(35,086)	(25,128)	(16,221)
Capitalized internal-use software development costs	(34,133)	(24,012)	(12,772)
Cash paid for business combinations, net of cash, cash equivalents, and restricted cash acquired	(275,706)	(362,609)	0
Purchases of intangible assets	(28,744)	(700)	(24,334)
Purchases of investments	(2,476,206)	(3,901,321)	(4,250,338)
Sales of investments	11,266	58,813	440,069
Maturities and redemptions of investments	3,670,867	3,657,072	3,842,796
Net cash provided by (used in) investing activities	832,258	(597,885)	(20,800)
Cash flows from financing activities:
Proceeds from exercise of stock options	57,194	39,893	127,036
Proceeds from issuance of common stock under employee stock purchase plan	61,234	40,931	52,227
Taxes paid related to net share settlement of equity awards	(380,799)	(184,648)	0
Repurchases of common stock	(591,732)	0	0
Capital contributions from noncontrolling interest holders	0	13,000	0
Payments of deferred purchase consideration for business combinations	0	(1,800)	(1,065)
Net cash provided by (used in) financing activities	(854,103)	(92,624)	178,198
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(2,031)	(933)	(236)
Net increase (decrease) in cash, cash equivalents, and restricted cash	824,246	(145,803)	267,341
Cash, cash equivalents, and restricted cash—beginning of period	956,731	1,102,534	835,193
Cash, cash equivalents, and restricted cash—end of period	1,780,977	956,731	1,102,534
Supplemental disclosures of cash flow information:
Cash paid for income taxes	12,452	6,550	1,482
Supplemental disclosures of non-cash investing and financing activities
Property and equipment included in accounts payable and accrued expenses	17,463	6,317	5,115
Stock-based compensation included in capitalized software development costs	48,181	28,467	23,620
Issuance of common stock in connection with business combinations	174,284	438,916	0
Unpaid taxes related to net share settlement of equity awards included in accrued expenses and other current liabilities	6,850	53	0
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	1,762,749	939,902	1,085,729
Restricted cash—included in other assets and prepaid expenses and other current assets	18,228	16,829	16,805
Total cash, cash equivalents, and restricted cash	$ 1,780,977	$ 956,731	$ 1,102,534