CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Operating activities:
Net income	$ 152.0	$ 252.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	48.0	40.0
Stock-based compensation expense	230.0	149.0
Amortization of costs to obtain a contract with a customer	96.0	41.0
Deferred income taxes	78.0	(25.0)
Restructuring, other exit costs, and facility reductions	14.0	0.0
Other	23.0	18.0
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	515.0	526.0
Prepaid expenses and other assets	(304.0)	(69.0)
Accounts payable and other liabilities	(111.0)	(166.0)
Deferred revenue	(204.0)	(305.0)
Accrued income taxes	27.0	33.0
Net cash provided by operating activities	564.0	494.0
Investing activities:
Purchases of marketable securities	(101.0)	(220.0)
Sales and maturities of marketable securities	175.0	262.0
Capital expenditures	(8.0)	(7.0)
Purchases of intangible assets	(7.0)	(34.0)
Business combinations, net of cash acquired	0.0	(637.0)
Other investing activities	(1.0)	(2.0)
Net cash provided by (used in) investing activities	58.0	(638.0)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	75.0	71.0
Taxes paid related to net share settlement of equity awards	(135.0)	(123.0)
Repurchases of common stock	(354.0)	(9.0)
Other financing activities	(1.0)	0.0
Net cash used in financing activities	(415.0)	(61.0)
Effect of exchange rate changes on cash and cash equivalents	10.0	(6.0)
Net increase (decrease) in cash and cash equivalents	217.0	(211.0)
Cash and cash equivalents at beginning of period	1,599.0	1,892.0
Cash and cash equivalents at end of period	1,816.0	1,681.0
Non-cash financing activities:
Fair value of common stock issued to settle liability-classified restricted common stock	$ 0.0	$ 3.0