| 2020年 12月31日 | 2021年 12月31日 | 2022年 12月31日 | 2023年 12月31日 | 2024年 12月31日 |
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| Cash and cash equivalents | 13,643 | 16,174 | 13,302 | 14,658 | 16,904 |
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| Restricted cash | - | - | 8 | 8 | 28 |
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| Short-term deposits, not classified as cash equivalents | 3,669 | 4,373 | 2,422 | 3,408 | 3,273 |
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| Current trade receivables | 2,007 | 2,581 | 3,770 | 3,330 | 3,730 |
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| Derivative financial instruments | 588 | 195 | 1,087 | 202 | 905 |
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| Current inventories | 935 | 1,149 | 1,869 | 1,793 | 2,073 |
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| Current receivables due from related parties | 680 | 98 | 236 | 251 | 197 |
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| Current tax assets, current | 316 | 443 | 561 | 889 | 794 |
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| Current | 785 | 921 | 1,324 | 746 | 886 |
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| Dividends Receivable1 | 81 | 520 | 161 | 256 | 154 |
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| Sectorial financial assets | - | - | 149 | 207 | 222 |
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| Other financial assets | 69 | 0 | 89 | 1 | 1 |
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| Other current assets | 419 | 349 | 560 | 722 | 629 |
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| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners | - | - | 25,538 | 26,472 | 29,796 |
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| Non-current assets held for sale | - | - | - | 2,138 | 979 |
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| Assets | 23,435 | 27,293 | 25,578 | 28,610 | 30,774 |
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| Non-current trade receivables | 26 | 165 | 158 | 114 | 265 |
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| Marketable securities | - | 15 | 19,677 | 96 | 113 |
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| Non-current restricted cash and cash equivalents | 35 | 59 | 132 | 195 | 146 |
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| Deferred tax assets | 1,900 | 3,052 | 4,474 | 5,609 | 4,495 |
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| Receivables from related parties, non-current | 250 | 318 | 241 | 89 | 203 |
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| Income tax receivable | 42 | 344 | 435 | 432 | 264 |
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| Other non-current tax receivable | 958 | 1,880 | 1,075 | 1,133 | 1,335 |
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| Long-term deposits | 876 | 923 | 814 | 896 | 1,057 |
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| Derivative financial instruments | 7,553 | 4,538 | 3,065 | 2,344 | 2,894 |
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| The amount of non-current portion of sectorial financial assets. | - | - | 193 | 342 | 510 |
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| Other non-current assets | 279 | 180 | 202 | 217 | 739 |
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| Other financial assets | - | 320 | 0 | 2 | 4 |
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| Investments accounted for using equity method | - | - | - | - | 10,679 |
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| Investments in joint ventures accounted for using equity method | 7,988 | 10,937 | 11,221 | 11,742 | 10,545 |
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| Property, plant and equipment | 14,069 | 16,649 | 18,948 | 21,240 | 23,019 |
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| Ending balance | 17,308 | 17,781 | 22,122 | 22,650 | 26,331 |
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| Contract assets | 696 | 706 | 1,119 | 1,052 | 1,115 |
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| Right-of-use assets | 7,916 | 7,947 | 8,013 | 9,514 | 9,959 |
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| Investment property | - | 3,887 | 14,103 | 15,976 | 16,819 |
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| Assets | 60,279 | 70,549 | 108,907 | 111,255 | 110,491 |
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| Assets | 83,714 | 97,842 | 134,485 | 139,865 | 141,266 |
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| Current borrowings | 4,929 | 4,241 | 4,542 | 4,882 | 4,403 |
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| Finance Lease Liabilities Current | 531 | 406 | 551 | 733 | 1,008 |
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| Current liabilities | 322 | 926 | 1,039 | 1,251 | 2,504 |
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| Trade payables | 2,630 | 3,254 | 4,318 | 3,920 | 5,169 |
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| Current net defined benefit liability | 336 | 553 | 660 | 829 | 795 |
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| Current tax liabilities, current | 386 | 71 | 204 | 446 | 415 |
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| Current payables on social security and taxes other than income tax | 417 | 536 | 760 | 674 | 638 |
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| Current dividend payables | 1,413 | 800 | 892 | 549 | 97 |
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| The current amount of reduction of capital payable. | - | - | - | - | 486 |
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| Current concessions payables | 159 | 161 | 257 | 251 | 166 |
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| Trade and other current payables current | 307 | 288 | 388 | 322 | 416 |
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| Sector financial liabilities | - | - | 67 | 70 | 65 |
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| Other current financial liabilities | 563 | 726 | 925 | 477 | 770 |
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| Other current liabilities | 461 | 910 | 1,195 | 1,516 | 895 |
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| Total current liabilities before held for sale | - | - | - | 15,920 | 17,827 |
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| Liabilities included in disposal groups classified as held for sale | - | - | - | 238 | 86 |
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| Liabilities | 12,547 | 12,957 | 15,798 | 16,159 | 17,913 |
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| Loans, financing and debentures | 37,320 | 41,418 | 48,445 | 52,022 | 62,052 |
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| Finance Lease Liabilities Non Current | 2,470 | 2,862 | 2,982 | 4,543 | 5,502 |
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| Employee benefits payables | 124 | 151 | 4,252 | 2,165 | 966 |
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| Non-current | - | - | 61 | 264 | 19 |
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| Non-current provisions for employee benefits | - | - | - | - | 19 |
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| Non-current payables on social security and taxes other than income tax | 149 | 147 | 154 | 163 | 255 |
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| Non-current legal proceedings provision | 1,361 | 1,644 | 1,801 | 1,714 | 2,045 |
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| Noncurrent concessions payables | 2,825 | 2,893 | 3,095 | 3,314 | 3,555 |
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| Related party payables | - | - | - | 1 | 1 |
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| Non-current net defined benefit liability | 729 | 669 | 576 | 618 | 527 |
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| Deferred tax liabilities | 3,691 | 3,818 | 5,469 | 5,225 | 5,974 |
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| Sectorial financial liabilities | - | - | 1,549 | 1,741 | 1,976 |
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| Deferred income | - | 36 | 625 | 19 | 17 |
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| Other non-current financial liabilities | 31 | - | 30 | - | 298 |
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| Other non-current liabilities | 743 | 1,090 | 1,479 | 936 | 750 |
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| Liabilities | 50,348 | 56,015 | 70,517 | 72,725 | 83,955 |
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| Liabilities | 62,895 | 68,972 | 86,316 | 88,884 | 101,868 |
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| Issued capital | 5 | 6,366 | 8,403 | 8,683 | 8,833 |
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| Treasury shares | - | 69 | 107 | 94 | 51 |
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| Additional paid-in capital | 2,007 | - | - | - | 2,206 |
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| Accumulated other comprehensive income | -1,524 | -522 | 568 | 314 | 566 |
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| Retained earnings, excluding profit (loss) for reporting period | - | - | - | - | -650 |
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| Controlling shareholders | 5,260 | 14,741 | 20,653 | 20,955 | 10,904 |
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| Non-controlling interests | 15,559 | 14,129 | 27,516 | 30,026 | 28,495 |
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| Total shareholders' equity | 20,819 | 28,870 | 48,169 | 50,981 | 39,398 |
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| Total liabilities and shareholders' equity | 83,714 | 97,842 | 134,485 | 139,865 | 141,266 |
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