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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Operating activities:    
Net income $ 1,533 $ 199
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization [1] 879 1,254
Amortization of costs capitalized to obtain revenue contracts, net 517 470
Stock-based compensation expense 750 696
(Gains) losses on strategic investments, net (37) 141
Changes in assets and liabilities, net of business combinations:    
Accounts receivable, net 7,162 6,123
Costs capitalized to obtain revenue contracts, net (248) (275)
Prepaid expenses and other current assets and other assets (514) (291)
Accounts payable and accrued expenses and other liabilities (755) (1,403)
Operating lease liabilities (85) (168)
Unearned revenue (2,955) (2,255)
Net cash provided by operating activities 6,247 4,491 Close
Investing activities:    
Business combinations, net of cash acquired (338) 0
Purchases of strategic investments (203) (105)
Sales of strategic investments 53 9
Purchases of marketable securities (3,252) (368)
Sales of marketable securities 616 269
Maturities of marketable securities 636 785
Capital expenditures (163) (243)
Net cash provided by (used in) investing activities (2,651) 347 Close
Financing activities:    
Repurchases of common stock (2,133) (2,054)
Proceeds from employee stock plans 533 449
Principal payments on financing obligations (120) (110)
Repayments of debt 0 (1,001)
Payments of dividends (388) 0
Net cash used in financing activities (2,108) (2,716) Close
Effect of exchange rate changes (2) 17 Close
Net increase in cash and cash equivalents 1,486 2,139 Close
Cash and cash equivalents, beginning of period 8,472 7,016
Cash and cash equivalents, end of period 9,958 9,155
Cash paid during the period for:    
Interest 28 46
Income taxes, net of tax refunds $ 94 $ 122
[1]     Includes amortization of intangible assets acquired through business combinations, depreciation of fixed assets and amortization and impairment of right-of-use assets.