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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2021 | May 31, 2020 | May 31, 2019
Cash provided (used) by operations: |  |  |
Net income | $ 5,727 | $ 2,539 | $ 4,029
Adjustments to reconcile net income to net cash provided (used) by operations: |  |  |
Depreciation | 744 | 721 | 705
Deferred income taxes | (385) | (380) | 34
Stock-based compensation | 611 | 429 | 325
Amortization, impairment and other | 53 | 398 | 15
Net foreign currency adjustments | (138) | 23 | 233
Changes in certain working capital components and other assets and liabilities: |  |  |
(Increase) decrease in accounts receivable | (1,606) | 1,239 | (270)
(Increase) decrease in inventories | 507 | (1,854) | (490)
(Increase) decrease in prepaid expenses, operating lease right-of-use assets and other current and non-current assets | (182) | (654) | (203)
Increase (decrease) in accounts payable, accrued liabilities, operating lease liabilities and other current and non-current liabilities | 1,326 | 24 | 1,525
Cash provided (used) by operations | 6,657 | 2,485 | 5,903
Cash provided (used) by investing activities: |  |  |
Purchases of short-term investments | (9,961) | (2,426) | (2,937)
Maturities of short-term investments | 4,236 | 74 | 1,715
Sales of short-term investments | 2,449 | 2,379 | 2,072
Additions to property, plant and equipment | (695) | (1,086) | (1,119)
Other investing activities | 171 | 31 | 5
Cash provided (used) by investing activities | (3,800) | (1,028) | (264)
Cash provided (used) by financing activities: |  |  |
Proceeds from borrowings, net of debt issuance costs | 0 | 6,134 | 0
Increase (decrease) in notes payable, net | (52) | 49 | (325)
Repayment of borrowings | (197) | (6) | (6)
Proceeds from exercise of stock options and other stock issuances | 1,172 | 885 | 700
Repurchase of common stock | (608) | (3,067) | (4,286)
Dividends — common and preferred | (1,638) | (1,452) | (1,332)
Other financing activities | (136) | (52) | (44)
Cash provided (used) by financing activities | (1,459) | 2,491 | (5,293)
Effect of exchange rate changes on cash and equivalents | 143 | (66) | (129)
Net increase (decrease) in cash and equivalents | 1,541 | 3,882 | 217
Cash and equivalents, beginning of year | 8,348 | 4,466 | 4,249
CASH AND EQUIVALENTS, END OF YEAR | 9,889 | 8,348 | 4,466
Cash paid during the year for: |  |  |
Interest, net of capitalized interest | 293 | 140 | 153
Income taxes | 1,177 | 1,028 | 757
Non-cash additions to property, plant and equipment | 179 | 121 | 160
Dividends declared and not paid | $ 438 | $ 385 | $ 347

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