CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Cash flows from operating activities:
Net loss	$ (590,042)	$ (547,795)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	43,809	15,586
Non-cash operating lease costs	33,579	25,895
Amortization of deferred commissions	41,525	26,824
Stock-based compensation, net of amounts capitalized	610,837	459,392
Net amortization of premiums on investments	12,331	36,938
Net unrealized losses (gains) on strategic investments in equity securities	45,096	(8,515)
Deferred income tax	(25,277)	0
Other	678	2,535
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	150,723	39,142
Deferred commissions	(63,627)	(52,892)
Prepaid expenses and other assets	13,169	(112,798)
Accounts payable	10,304	4,591
Accrued expenses and other liabilities	27,727	43,106
Operating lease liabilities	(29,176)	(24,758)
Deferred revenue	46,667	124,030
Net cash provided by operating activities	328,323	31,281
Cash flows from investing activities:
Purchases of property and equipment	(19,766)	(12,209)
Capitalized internal-use software development costs	(17,319)	(8,612)
Cash paid for business combinations, net of cash and cash equivalents acquired	(352,555)	0
Purchases of intangible assets	(700)	(11,182)
Purchases of investments	(2,796,167)	(3,042,396)
Sales of investments	58,813	407,003
Maturities and redemptions of investments	2,594,593	2,610,429
Net cash used in investing activities	(533,101)	(56,967)
Cash flows from financing activities:
Proceeds from exercise of stock options	31,095	90,444
Proceeds from issuance of common stock under employee stock purchase plan	40,931	52,227
Taxes paid related to net share settlement of equity awards	(135,766)	0
Capital contributions from noncontrolling interest holders	13,000	0
Payments of deferred purchase consideration for a business combination	(1,800)	0
Net cash provided by (used in) financing activities	(52,540)	142,671
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(9,390)	21
Net increase (decrease) in cash, cash equivalents, and restricted cash	(266,708)	117,006
Cash, cash equivalents, and restricted cash—beginning of period	1,102,534	835,193
Cash, cash equivalents, and restricted cash—end of period	835,826	952,199
Supplemental disclosures of non-cash investing and financing activities:
Property and equipment included in accounts payable and accrued expenses	5,841	3,115
Stock-based compensation included in capitalized software development costs	20,295	18,923
Issuance of common stock in connection with a business combination	438,916	0
Purchases of intangible assets included in accrued expenses and other liabilities	0	4,544
Unpaid taxes related to net share settlement of equity awards included in accrued expenses and other current liabilities	2,874	0
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	819,003	935,217
Restricted cash—included in other assets and prepaid expenses and other current assets	16,823	16,982
Total cash, cash equivalents, and restricted cash	$ 835,826	$ 952,199