CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Operating activities:
Net income	$ 161	$ 146
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	33	38
Stock-based compensation expense	165	152
Deferred income taxes	(30)	(22)
Lease-related asset impairments	0	2
Other	(11)	27
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	630	332
Prepaid expenses and other assets	(32)	(23)
Accounts payable and other liabilities	(168)	(218)
Deferred revenue	(98)	(38)
Accrued income taxes	73	38
Net cash provided by operating activities	723	434
Investing activities:
Purchases of marketable securities	(342)	(29)
Sales and maturities of marketable securities	163	202
Capital expenditures	(9)	(12)
Purchases of intangible assets	(6)	(4)
Business combinations, net of cash acquired	(26)	(96)
Other investing activities	(10)	(30)
Net cash (used in) provided by investing activities	(230)	31
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	71	67
Taxes paid related to net share settlement of equity awards	(82)	(70)
Repurchases of common stock	(512)	(457)
Net cash used in financing activities	(523)	(460)
Effect of exchange rate changes on cash and cash equivalents	(8)	(15)
Net decrease in cash and cash equivalents	(38)	(10)
Cash and cash equivalents at beginning of period	1,947	1,528
Cash and cash equivalents at end of period	1,909	1,518
Non-cash financing activities:
Fair value of common stock issued to settle liability-classified restricted common stock	1	0
Fair value of common stock issued related to business combinations	$ 0	$ 10