| Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net sales | 20,601 | 22,276 | 15,951 | 17,719 | 33,604 | 18,426 |
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| Cost of sales | 16,777 | 17,508 | 9,947 | 11,895 | 25,618 | 10,779 |
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| Gross profit (loss) | 3,824 | 4,768 | 6,004 | 5,824 | 7,986 | 7,646 |
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| Selling, general and administrative expenses | 2,827 | 3,095 | 3,774 | 4,534 | 4,394 | 4,705 |
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| Operating profit (loss) | 997 | 1,673 | 2,230 | 1,289 | 3,591 | 2,940 |
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| Interest income | 2 | 2 | 19 | 6 | 11 | 30 |
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| Dividend income | 8 | 8 | 20 | 17 | 14 | 31 |
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| Insurance claim income | 120 | 15 | 25 | 216 | 603 | 167 |
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| Gain on investments in silent partnerships | 34 | 35 | 33 | 42 | 154 | - |
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| Gain on investments in silent partnerships | 34 | 35 | 33 | 42 | 154 | - |
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| Other | 29 | 17 | 126 | 28 | 65 | 172 |
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| Other | 29 | 17 | 126 | 28 | 65 | 172 |
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| Non-operating income | 193 | 93 | 223 | 308 | 849 | 401 |
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| Non-operating income | 193 | 93 | 223 | 308 | 849 | 401 |
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| Interest expenses | 396 | 771 | 1,079 | 1,701 | 2,023 | 2,084 |
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| Commission expenses | 373 | 260 | 330 | 1,154 | 326 | 312 |
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| Other | 10 | 4 | 53 | 103 | 61 | 116 |
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| Non-operating expenses | 875 | 1,035 | 1,462 | 2,958 | 2,412 | 2,514 |
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| Other | 10 | 4 | 53 | 103 | 61 | 116 |
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| Non-operating expenses | 875 | 1,035 | 1,462 | 2,958 | 2,412 | 2,514 |
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| Ordinary profit (loss) | 316 | 732 | 991 | -1,360 | 2,028 | 827 |
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| Gain on sale of non-current assets | - | 25 | 0 | 10 | - | - |
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| Gain on sale of investment securities | - | - | 15 | - | - | 1,438 |
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| Gain on step acquisitions | - | - | - | 69 | - | - |
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| Reversal of provision for loss on business liquidation | - | - | - | 13 | 5 | - |
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| Other | - | - | 1 | - | - | 1 |
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| Extraordinary income | 53 | 25 | 16 | 92 | 5 | 1,689 |
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| Loss on retirement of non-current assets | 0 | 0 | 7 | 1 | 2 | 53 |
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| Impairment losses | 2 | - | 8 | - | 20 | 9 |
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| Impairment losses | 2 | - | 8 | - | 20 | 9 |
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| Loss on sale of non-current assets | - | - | - | - | 31 | 5 |
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| Loss on sale of non-current assets | - | - | - | - | 31 | 5 |
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| Extraordinary losses | 2 | 2 | 43 | 1 | 54 | 644 |
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| Extraordinary losses | 2 | 2 | 43 | 1 | 54 | 644 |
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| Profit (loss) before income taxes | 367 | 755 | 964 | -1,270 | 1,979 | 1,872 |
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| Income taxes - current | 475 | 368 | 580 | 1,069 | 1,711 | 929 |
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| Income taxes - deferred | -363 | -108 | -202 | -855 | -966 | -550 |
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| Income taxes | 112 | 260 | 378 | 214 | 744 | 379 |
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| Profit (loss) | 255 | 495 | 587 | -1,484 | 1,234 | 1,493 |
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| Profit (loss) attributable to non-controlling interests | 4 | 32 | 57 | 42 | 145 | -73 |
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| Profit (loss) attributable to owners of parent | 250 | 463 | 530 | -1,526 | 1,088 | 1,566 |
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