CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Operating activities:
Net income	$ 1,112.0	$ 906.0	$ 823.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and accretion	180.0	139.0	150.0
Stock-based compensation expense	683.0	703.0	657.0
Amortization of costs to obtain a contract with a customer	212.0	140.0	138.0
Deferred income taxes	(121.0)	(86.0)	(277.0)
Lease-related asset impairments	0.0	14.0	34.0
Restructuring, other exit costs, and facility reductions	15.0	0.0	0.0
Other operating activities	(16.0)	(52.0)	(8.0)
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	(132.0)	86.0	(247.0)
Prepaid expenses and other assets	(488.0)	(256.0)	(182.0)
Accounts payable and other liabilities	238.0	27.0	36.0
Deferred revenue	(134.0)	(316.0)	798.0
Accrued income taxes	58.0	8.0	149.0
Net cash provided by operating activities	1,607.0	1,313.0	2,071.0
Investing activities:
Purchases of marketable securities	(815.0)	(1,110.0)	(397.0)
Sales of marketable securities	223.0	277.0	152.0
Maturities of marketable securities	638.0	487.0	298.0
Purchases of intangible assets	(62.0)	(30.0)	(6.0)
Business combinations, net of cash acquired	(825.0)	(70.0)	(96.0)
Capital expenditures	(40.0)	(31.0)	(40.0)
Other investing activities	(22.0)	(25.0)	(54.0)
Net cash used in investing activities	(903.0)	(502.0)	(143.0)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	121.0	130.0	124.0
Taxes paid related to net share settlement of equity awards	(256.0)	(187.0)	(160.0)
Repurchase and retirement of common stock	(852.0)	(795.0)	(1,101.0)
Repayments of debt	0.0	0.0	(350.0)
Net cash used in financing activities	(987.0)	(852.0)	(1,487.0)
Effect of exchange rate changes on cash and cash equivalents	(10.0)	(14.0)	(22.0)
Net (decrease) increase in cash and cash equivalents	(293.0)	(55.0)	419.0
Cash and cash equivalents at beginning of fiscal year	1,892.0	1,947.0	1,528.0
Cash and cash equivalents at end of fiscal year	1,599.0	1,892.0	1,947.0
Supplemental cash flow disclosure:
Cash paid for interest	69.0	69.0	86.0
Cash paid for income taxes, net of tax refunds	281.0	321.0	241.0
Non-cash investing and financing activities:
Fair value of common stock issued to settle liability-classified restricted stock units	4.0	15.0	11.0
Fair value of common stock issued related to business combination (See Note 6)	$ 0.0	$ 0.0	$ 10.0