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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Operating activities: |  |  |
Net income | $ 823 | $ 497 | $ 1,208
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, amortization, and accretion | 150 | 148 | 124
Stock-based compensation expense | 657 | 555 | 398
Deferred income taxes | (277) | (8) | (779)
Lease-related asset impairments | 34 | 104 | 0
Other operating activities | (8) | 18 | 39
Changes in operating assets and liabilities, net of business combinations: |  |  |
Accounts receivable | (247) | (66) | 13
Prepaid expenses and other assets | (3) | (134) | (56)
Accounts payable and other liabilities | (5) | 10 | 130
Deferred revenue | 798 | 419 | 344
Accrued income taxes | 149 | (12) | 16
Net cash provided by operating activities | 2,071 | 1,531 | 1,437
Investing activities: |  |  |
Purchases of marketable securities | (397) | (311) | (21)
Sales of marketable securities | 152 | 12 | 0
Maturities of marketable securities | 298 | 26 | 17
Purchases of intangible assets | (6) | (11) | (5)
Business combinations, net of cash acquired | (96) | (1,250) | (246)
Capital expenditures | (40) | (56) | (91)
Other investing activities | (54) | (5) | (58)
Net cash used in investing activities | (143) | (1,595) | (404)
Financing activities: |  |  |
Proceeds from issuance of common stock, net of issuance costs | 124 | 114 | 114
Taxes paid related to net share settlement of equity awards | (160) | (194) | (157)
Repurchase and retirement of common stock | (1,101) | (1,079) | (552)
Proceeds from debt, net of discount | 0 | 997 | 0
Repayments of debt | (350) | 0 | (450)
Other financing activities | 0 | (7) | (2)
Net cash used in financing activities | (1,487) | (169) | (1,047)
Effect of exchange rate changes on cash and cash equivalents | (22) | (11) | 11
Net increase (decrease) in cash and cash equivalents | 419 | (244) | (3)
Cash and cash equivalents at beginning of fiscal year | 1,528 | 1,772 | 1,775
Cash and cash equivalents at end of fiscal year | 1,947 | 1,528 | 1,772
Supplemental cash flow disclosure: |  |  |
Cash paid for interest | 86 | 58 | 63
Cash paid for income taxes, net of tax refunds | 241 | 165 | 93
Non-cash investing and financing activities: |  |  |
Fair value of common stock issued to settle liability-classified restricted stock units | 11 | 3 | 29
Fair value of common stock issued related to business combination (See Note 6) | $ 10 | $ 6 | $ 38

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