| Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net income (loss) | -346 | 559 | 871 | -853 | -14 | 570 | 38 | -773 | 24 |
|---|
| Depreciation, Depletion and Amortization | 718 | 750 | 733 | 713 | 653 | 664 | 617 | 632 | 642 |
|---|
| Deferred income taxes (Q) | -46 | 176 | -36 | 15 | -26 | 147 | 219 | -22 | 23 |
|---|
| Equity (income) loss, net of dividends (H) | -48 | -9 | -17 | -21 | -20 | 138 | -4 | -201 | 2 |
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| Restructuring and other charges, net (D) | - | - | - | - | - | - | - | 184 | 341 |
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| Net loss from investing activities - asset sales (U) | 164 | 116 | - | 3 | 173 | 354 | -10 | -18 | -37 |
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| Net periodic pension benefit cost (O) | 66 | 111 | 146 | 119 | 138 | 47 | 54 | 6 | 10 |
|---|
| Stock-based compensation (N) | 28 | 24 | 35 | 30 | 25 | 39 | 40 | 35 | 36 |
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| (Gain) loss on mark-to-market derivative financial contracts | - | - | - | - | - | - | 44 | -26 | 8 |
|---|
| Other | 16 | -32 | 59 | -30 | -32 | -24 | -53 | -78 | -34 |
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| (Increase) decrease in receivables | 234 | 118 | 43 | -283 | -16 | 414 | 59 | -104 | 493 |
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| Decrease (increase) in inventories (J) | -1 | 238 | 278 | -137 | -122 | 639 | 547 | -243 | -51 |
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| (Increase) decrease in prepaid expenses and other current assets | 52 | -43 | 32 | -27 | -17 | 41 | -44 | -39 | 68 |
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| Increase (decrease) in accounts payable, trade | 6 | 377 | -165 | -153 | 25 | 354 | 189 | -74 | 190 |
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| Decrease in accrued expenses | -320 | -563 | -319 | -175 | -153 | -38 | -173 | -133 | -108 |
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| Increase (Decrease) in Accrued Taxes Payable | -148 | 111 | 241 | -330 | 119 | 301 | -152 | -146 | 95 |
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| Pension contributions (O) | 66 | 106 | 992 | 173 | 343 | 579 | 17 | 24 | 16 |
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| Increase in noncurrent assets | - | 99 | 101 | 24 | 82 | 160 | 87 | 210 | 4 |
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| Decrease in noncurrent liabilities | - | -39 | -97 | -30 | -88 | -35 | -63 | -93 | -162 |
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| Cash provided from operations | -311 | - | 448 | 686 | 394 | 920 | 822 | 91 | 622 |
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| Additions to debt (M) | - | - | - | - | 739 | 495 | 4 | 127 | 1,032 |
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| Payments on debt (M) | 34 | 60 | 135 | 7 | 1 | 1,294 | 1 | 72 | 679 |
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| Proceeds from Stock Options Exercised | 10 | 43 | 23 | 2 | 1 | 25 | 22 | 1 | - |
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| Repurchase of common stock (N) | - | - | 50 | - | - | 150 | 500 | - | - |
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| Dividends paid on Alcoa preferred stock (N) | - | - | - | - | - | - | - | - | 1 |
|---|
| Dividends paid on Alcoa common stock (N) | - | - | - | - | - | 19 | 72 | 72 | 89 |
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| Payments related to tax withholding on stock-based compensation awards | - | - | - | - | - | - | 19 | 34 | 15 |
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| Financial contributions for the divestiture of businesses (C) | - | - | - | 12 | 38 | 17 | 33 | 52 | 35 |
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| Proceeds from Noncontrolling Interests | - | 80 | 149 | 51 | 24 | 21 | 214 | 188 | 65 |
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| Distributions to noncontrolling interest (A) | - | 342 | 827 | 472 | 207 | 215 | 379 | 30 | 49 |
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| Acquisition of noncontrolling interest (C) | - | - | - | - | - | - | - | - | 23 |
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| Other | - | -8 | -8 | -6 | -4 | -4 | -4 | 1 | -5 |
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| Cash provided from (used for) financing activities | - | - | -288 | -444 | 514 | -1,158 | -768 | 57 | 201 |
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| Capital expenditures | 404 | 405 | 399 | 379 | 353 | 390 | 480 | 531 | 580 |
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| Proceeds from the sale of assets and businesses (C) | - | - | - | 23 | 198 | 966 | 5 | 4 | 3 |
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| Additions to investments (H) | 3 | 66 | 7 | 112 | 12 | 11 | 32 | 70 | 37 |
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| Sale of investments (H) | - | - | - | - | - | - | 10 | - | - |
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| Other | - | - | - | - | - | - | -2 | -12 | -6 |
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| Cash used for investing activities | - | - | -405 | -468 | -167 | 565 | -495 | -585 | -608 |
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| Effect of exchange rate changes on cash and cash equivalents and restricted cash | - | - | -4 | -7 | -14 | -13 | -9 | 10 | -28 |
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| Net change in cash and cash equivalents and restricted cash | - | - | -249 | -233 | 727 | 314 | -450 | -427 | 187 |
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