CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Operating activities:
Net income	$ 808.0	$ 809.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	145.0	134.0
Stock-based compensation expense	607.0	497.0
Amortization of costs to obtain a contract with a customer	364.0	136.0
Deferred income taxes	271.0	(60.0)
Restructuring, other exit costs, and facility reductions	19.0	0.0
Other	7.0	(7.0)
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	202.0	177.0
Prepaid expenses and other assets	(819.0)	(221.0)
Accounts payable and other liabilities	95.0	1.0
Deferred revenue	(286.0)	(612.0)
Accrued income taxes	50.0	61.0
Net cash provided by operating activities	1,463.0	915.0
Investing activities:
Purchases of marketable securities	(622.0)	(632.0)
Sales and maturities of marketable securities	583.0	690.0
Capital expenditures	(26.0)	(26.0)
Purchases of intangible assets	(27.0)	(57.0)
Business combinations, net of cash acquired	0.0	(801.0)
Other investing activities	(9.0)	(10.0)
Net cash used in investing activities	(101.0)	(836.0)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	137.0	121.0
Taxes paid related to net share settlement of equity awards	(238.0)	(208.0)
Repurchases of common stock	(1,071.0)	(443.0)
Proceeds from debt, net of discount	499.0	0.0
Repayment of debt	(300.0)	0.0
Other financing activities	(6.0)	0.0
Net cash used in financing activities	(979.0)	(530.0)
Effect of exchange rate changes on cash and cash equivalents	7.0	(4.0)
Net increase (decrease) in cash and cash equivalents	390.0	(455.0)
Cash and cash equivalents at beginning of period	1,599.0	1,892.0
Cash and cash equivalents at end of period	1,989.0	1,437.0
Non-cash financing activities:
Fair value of common stock issued to settle liability-classified restricted common stock	$ 0.0	$ 3.0