CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Operating activities:
Net income	$ 624	$ 530
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	102	113
Stock-based compensation expense	544	493
Deferred income taxes	(116)	(98)
Lease-related asset impairments	7	21
Other	(15)	13
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	380	70
Prepaid expenses and other assets	(51)	1
Accounts payable and other liabilities	(77)	(76)
Deferred revenue	(551)	14
Accrued income taxes	29	79
Net cash provided by operating activities	876	1,160
Investing activities:
Purchases of marketable securities	(944)	(199)
Sales and maturities of marketable securities	529	302
Capital expenditures	(21)	(32)
Purchases of intangible assets	(25)	(6)
Business combinations, net of cash acquired	(44)	(96)
Other investing activities	(19)	(53)
Net cash used in investing activities	(524)	(84)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	130	124
Taxes paid related to net share settlement of equity awards	(153)	(127)
Repurchases of common stock	(730)	(894)
Net cash used in financing activities	(753)	(897)
Effect of exchange rate changes on cash and cash equivalents	(20)	(42)
Net decrease in cash and cash equivalents	(421)	137
Cash and cash equivalents at beginning of period	1,947	1,528
Cash and cash equivalents at end of period	1,526	1,665
Non-cash financing activities:
Fair value of common stock issued to settle liability-classified restricted common stock	9	8
Fair value of common stock issued related to business combinations	$ 0	$ 10