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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 9 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Operating activities:    
Net income $ 530 $ 408
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion 113 114
Stock-based compensation expense 493 410
Deferred income taxes (98) 15
Lease-related asset impairments 21 0
Other 13 13
Changes in operating assets and liabilities, net of business combinations:    
Accounts receivable 70 70
Prepaid expenses and other assets 1 (139)
Accounts payable and other liabilities (76) (67)
Deferred revenue 14 (28)
Accrued income taxes 79 13
Net cash provided by operating activities 1,160 809
Investing activities:    
Purchases of marketable securities (199) (56)
Sales and maturities of marketable securities 302 4
Capital expenditures (32) (50)
Purchases of developed technologies (6) (10)
Business combinations, net of cash acquired (96) (1,185)
Other investing activities (53) (2)
Net cash used in investing activities (84) (1,299)
Financing activities:    
Proceeds from issuance of common stock, net of issuance costs 124 113
Taxes paid related to net share settlement of equity awards (127) (148)
Repurchases of common stock (894) (483)
Proceeds from debt, net of discount 0 997
Other financing activities 0 (6)
Net cash (used in) provided by financing activities (897) 473
Effect of exchange rate changes on cash and cash equivalents (42) (6)
Net increase (decrease) in cash and cash equivalents 137 (23)
Cash and cash equivalents at beginning of period 1,528 1,772
Cash and cash equivalents at end of period 1,665 1,749
Non-cash financing activities:    
Fair value of common stock issued to settle liability-classified restricted common stock 8 3
Fair value of common stock issued related to business combinations $ 10 $ 3