CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2026	Jul. 31, 2025
Cash flows from operating activities:
Net income	$ 1,968,122	$ 613,195
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	358,737	390,268
Amortization of deferred contract acquisition costs	107,155	139,563
Depreciation and amortization	65,112	67,479
Deferred income taxes	341,465	(53,271)
Gains on strategic investments, net	(1,766,500)	(31,437)
Provision for accounts receivable allowances	5,326	10,120
Unrealized foreign exchange losses (gains)	3,001	(8,539)
Non-cash operating lease cost	12,048	12,494
Amortization of discount/premium on marketable securities	(6,257)	(21,635)
Other	987	3,812
Changes in operating assets and liabilities:
Accounts receivable	(40,250)	(23,608)
Prepaid expenses and other assets	45,906	3,160
Deferred contract acquisition costs	(186,162)	(129,552)
Accounts payable	5,948	4,794
Accrued expenses and other liabilities	(13,960)	(81,985)
Deferred revenue	129,774	125,015
Operating lease liabilities, net	(14,091)	(14,672)
Net cash provided by operating activities	1,016,361	1,005,201
Cash flows from investing activities:
Purchases of marketable securities	(4,488,122)	(2,227,043)
Maturities of marketable securities	1,238,601	2,088,081
Sales of marketable securities	3,428,694	12,525
Purchases of property and equipment	(43,466)	(33,876)
Purchases of strategic investments	(441,074)	(27,495)
Proceeds from strategic investments	309	2,505
Cash paid for acquisition, net of cash acquired	(248,655)	0
Payments to Acquire Intangible Assets	(524)	(500)
Net cash used in investing activities	(554,237)	(185,803)
Cash flows from financing activities:
Proceeds from exercise of stock options	1,552	1,375
Proceeds from issuance of common stock for employee stock purchase plan	40,892	36,057
Proceeds from employee equity transactions to be remitted (remitted) to employees and tax authorities, net	6,285	(2,083)
Cash paid for repurchases of common stock, including excise taxes	(722,189)	(883,284)
Taxes paid related to net share settlement of equity awards	(121,761)	(137,457)
Net cash used in financing activities	(795,221)	(985,392)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(2,136)	13,276
Net decrease in cash, cash equivalents, and restricted cash	(335,233)	(152,718)
Cash, cash equivalents, and restricted cash – beginning of period	1,283,781	1,361,417
Cash, cash equivalents, and restricted cash – end of period	948,548	1,208,699
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	931,992	1,198,576
Restricted cash, current included in prepaid expenses and other current assets	16,556	10,123
Total cash, cash equivalents, and restricted cash	$ 948,548	$ 1,208,699