CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Cash flows from operating activities:
Net income	$ 207,761	$ 884,998
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	767,693	315,912
Amortization of deferred contract acquisition costs	186,626	125,691
Losses (gains) on strategic investments, net	78,014
(Losses) gains on strategic investments, net		(154,497)
Depreciation and amortization	57,921	35,275
Provision for accounts receivable allowances	39,580	23,482
Non-cash operating lease cost	16,949	13,131
Amortization of discount/premium on marketable securities	4,156	19,546
Other	41,928	2,127
Changes in operating assets and liabilities:
Accounts receivable	(238,020)	(108,541)
Prepaid expenses and other assets	(163,721)	(71,998)
Deferred contract acquisition costs	(217,822)	(165,305)
Accounts payable	24,561	12,062
Accrued expenses and other liabilities	116,391	171,914
Deferred revenue	174,325	304,513
Operating lease liabilities, net	(17,668)	(12,440)
Net cash provided by operating activities	1,078,674	1,395,870
Cash flows from investing activities:
Purchases of marketable securities	(1,927,049)	(3,446,313)
Maturities of marketable securities	2,137,875	1,047,545
Sales of marketable securities	0	281,582
Purchases of property and equipment	(75,568)	(111,816)
Purchases of strategic investments	(65,050)	(126,349)
Proceeds from strategic investments	300	0
Cash paid for acquisition, net of cash acquired	(120,553)	(2,121)
Purchases of intangible assets	(10,568)	(9,626)
Net cash used in investing activities	(60,613)	(2,367,098)
Cash flows from financing activities:
Cash paid for repurchases of common stock	(990,778)	0
Proceeds from issuance of common stock for employee stock purchase plan	34,605	37,846
Proceeds from employee equity transactions (remitted) to be remitted to employees and tax authorities, net	671	(28,342)
Proceeds from exercise of stock options	6,815	11,044
Other	0	337
Net cash (used in) provided by financing activities	(948,687)	20,885
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(36,639)	0
Net increase (decrease) in cash, cash equivalents, and restricted cash	32,735	(950,343)
Cash, cash equivalents, and restricted cash – beginning of period	1,073,353	2,293,116
Cash, cash equivalents, and restricted cash – end of period	1,106,088	1,342,773
Reconciliation of cash, cash equivalents, and restricted cash within the condensed consolidated balance sheets to the amounts shown in the condensed consolidated statements of cash flows above:
Cash and cash equivalents	1,096,174	1,322,435
Restricted cash, current included in prepaid expenses and other current assets	9,668	20,041
Restricted cash, noncurrent included in other assets, noncurrent	246	297
Total cash, cash equivalents, and restricted cash	$ 1,106,088	$ 1,342,773