| Dec 31,
2012 | Dec 31,
2013 | Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | 400 | 1,699 | 2,079 | 3,119 | 2,628 | 6,232 | 10,445 | 11,803 | 11,164 | 9,099 | 10,290 | 14,891 | 15,203 |
|---|
| Depreciation | 246 | 253 | 275 | 264 | 229 | 186 | 80 | 176 | 399 | 706 | 1,256 | - | 1,931 |
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| Impairment losses | 452 | - | - | 7 | 1,042 | 150 | 47 | - | - | - | 1,760 | - | 814 |
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| Amortization of goodwill | - | - | - | - | - | - | - | 48 | 100 | 237 | 522 | - | 1,044 |
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| Amortization of long-term prepaid expenses | - | - | - | - | - | - | - | - | 4 | 27 | 24 | - | 20 |
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| Amortization of share issuance costs | - | - | - | - | - | - | - | - | - | 27 | 36 | - | 45 |
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| Negligence loss | - | - | - | - | - | - | - | - | - | - | - | - | 275 |
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| Increase (decrease) in allowance for doubtful accounts | 1 | - | - | - | 74 | -73 | 33 | - | - | - | 1,484 | - | 290 |
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| Increase (decrease) in provision for share awards for directors (and other officers) | - | - | - | - | - | - | - | 16 | 21 | - | 50 | - | 41 |
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| Increase (decrease) in provision for share awards | - | - | - | - | - | - | - | 5 | 10 | 10 | 52 | - | 6 |
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| Interest and dividend income | - | -1 | -1 | -1 | -1 | -2 | -2 | -40 | -109 | -111 | -132 | - | -157 |
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| Interest expenses | 678 | 661 | 706 | 795 | 999 | 1,093 | 1,020 | 1,143 | 1,047 | 1,463 | 1,895 | - | 2,650 |
|---|
| Foreign exchange losses (gains) | - | - | - | - | - | - | - | -8 | 31 | -73 | -287 | - | -387 |
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| Share of loss (profit) of entities accounted for using equity method | - | - | - | - | - | - | - | 33 | 109 | -54 | 16 | - | 219 |
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| Loss (gain) on sale of shares of subsidiaries and associates | - | - | - | - | - | -22 | - | - | - | - | -205 | - | - |
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| Loss on compensation for damage | - | - | - | - | - | - | - | - | - | - | 682 | - | - |
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| Loss on retirement of non-current assets | 3 | - | 12 | - | - | - | 5 | 7 | - | - | - | - | 1 |
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| Decrease (increase) in accounts receivable - trade, and contract assets | - | - | - | - | - | - | - | - | - | - | -259 | - | 77 |
|---|
| Decrease (increase) in inventories | -287 | 2,427 | -4,571 | -7,366 | -17,033 | -18,943 | -16,489 | -10,179 | -4,370 | -19,306 | -11,104 | - | -72,095 |
|---|
| Decrease (increase) in prepaid expenses | 37 | -389 | 31 | -433 | 199 | -529 | -475 | 55 | -381 | -894 | -16 | - | -501 |
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| Increase (decrease) in accounts payable - other | 258 | -95 | -201 | 549 | 162 | 532 | 111 | 135 | -358 | 366 | 1,408 | - | -1,078 |
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| Increase/decrease in consumption taxes payable/consumption taxes refund receivable | 68 | -124 | 300 | 17 | -385 | 368 | -45 | -239 | 192 | -416 | 859 | - | -514 |
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| Increase (decrease) in advances received | -5 | 337 | 217 | 524 | 11 | 110 | 1,584 | -246 | -576 | 3,575 | -857 | - | 600 |
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| Increase (decrease) in deposits received | -22 | 1 | 275 | -132 | 258 | 2,597 | -220 | 95 | 187 | 439 | -840 | - | -2,088 |
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| Decrease (increase) in other assets | 17 | 12 | -105 | -407 | -1,462 | -614 | -1,548 | 638 | -805 | -1,221 | 59 | - | -2,585 |
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| Increase (decrease) in other liabilities | 13 | 21 | 9 | -2 | 165 | 54 | -1 | 75 | -45 | 169 | 39 | - | -114 |
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| Subtotal | 1,819 | 4,734 | -960 | -3,013 | -13,349 | -9,409 | -5,421 | 3,436 | 6,291 | -5,848 | 6,737 | - | -56,300 |
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| Interest and dividends received | - | 1 | 1 | 1 | 1 | 2 | 2 | 40 | 95 | 181 | 133 | - | 156 |
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| Interest paid | -687 | -668 | -726 | -836 | -1,060 | -1,148 | -1,085 | -1,109 | -1,195 | -1,723 | -2,328 | - | -2,971 |
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| Compensation paid for damage | - | - | - | - | - | - | - | - | - | - | - | - | -682 |
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| Negligence fee paid | - | - | - | - | - | - | - | - | - | - | - | - | -275 |
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| Income taxes refund (paid) | -19 | 25 | -119 | -28 | -275 | -139 | -619 | -2,245 | -5,072 | -3,419 | -3,040 | - | -8,818 |
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| Net cash provided by (used in) operating activities | 1,112 | 4,093 | -1,803 | -3,877 | -14,684 | -10,694 | -7,123 | 122 | 119 | -10,810 | 1,501 | - | -68,892 |
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| Payments into time deposits | -18 | -18 | -24 | -18 | -18 | -18 | -18 | -18 | -18 | -15 | -4 | - | -16 |
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| Proceeds from withdrawal of time deposits | 18 | 18 | 18 | 24 | 18 | 18 | 18 | 18 | 19 | 18 | 2 | - | 18 |
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| Purchase of investment securities | - | -30 | - | -60 | -110 | -1,711 | -180 | -1,641 | -1,913 | -2,265 | -513 | - | -1,227 |
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| Proceeds from repayment of investment securities | - | - | - | 30 | 10 | 14 | 21 | 516 | 717 | - | 294 | - | 15 |
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| Purchase of shares of subsidiaries and associates | - | - | - | - | - | - | - | - | - | - | -603 | - | - |
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| Proceeds from sale of shares of subsidiaries and associates | - | - | - | - | - | - | - | - | - | - | 699 | - | - |
|---|
| Purchase of non-current assets | -95 | -119 | -1,355 | -73 | -223 | -200 | -443 | -3,295 | -6,555 | -4,763 | -2,033 | - | -4,972 |
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| Proceeds from sales of noncurrent assets etc. | 29 | 2,487 | 156 | 23 | 7,343 | 11,651 | 83 | 61 | 86 | 121 | 46 | - | 46 |
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| Proceeds from purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | 91 | - | 316 | - | - |
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| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | -310 | - | -24,070 | - | - | -27,462 |
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| Loan advances | - | -6 | -1 | - | - | - | -37 | -300 | -2,930 | -8 | -117 | - | -64 |
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| Proceeds from collection of loans receivable | - | 1 | - | 1 | - | - | - | - | 500 | 647 | 1 | - | 176 |
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| Refund of guarantee deposits received | -45 | -139 | -123 | -204 | -440 | -1,232 | -782 | -927 | -983 | -1,120 | -769 | - | -198 |
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| Guarantee deposits received | 360 | 98 | 292 | 338 | 1,120 | 615 | 1,578 | 1,130 | 1,244 | 1,732 | 1,060 | - | 1,082 |
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| Payments for investments in capital | - | - | -5 | - | -41 | -4 | -17 | - | -2 | - | - | - | -8 |
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| Proceeds from divestments | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
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| Net cash provided by (used in) investing activities | 241 | 2,294 | -1,041 | 61 | 7,656 | 9,167 | 223 | -4,770 | -9,732 | -29,721 | -1,620 | - | -32,611 |
|---|
| Proceeds from short-term borrowings | 965 | 1,735 | 3,341 | 1,921 | 11,887 | 10,830 | 7,581 | 6,714 | 8,018 | 6,539 | 11,929 | - | 113,668 |
|---|
| Repayments of short-term borrowings | -730 | -2,025 | -1,441 | -2,833 | -8,846 | -13,184 | -7,814 | -5,220 | -9,690 | -5,857 | -2,956 | - | -74,291 |
|---|
| Proceeds from long-term borrowings | 1,945 | 2,614 | 26,179 | 17,692 | 28,915 | 45,348 | 38,884 | 44,231 | 62,166 | 111,250 | 110,273 | - | 138,310 |
|---|
| Repayments of long-term borrowings | -2,844 | -9,359 | -23,764 | -11,918 | -20,284 | -37,549 | -24,659 | -32,930 | -46,917 | -79,320 | -113,215 | - | -60,022 |
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| Repayments of lease liabilities | - | - | - | -3 | -4 | -4 | -1 | - | -1 | -1 | - | - | - |
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| Proceeds from share issuance to non-controlling shareholders | - | - | - | - | - | - | - | - | - | - | - | - | 490 |
|---|
| Proceeds from disposal of treasury shares | - | - | - | - | - | - | - | - | 207 | 203 | 76 | - | 103 |
|---|
| Purchase of treasury shares | - | - | -299 | -509 | -54 | -748 | -131 | -40 | -233 | - | -293 | - | - |
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| Dividends paid | - | - | -68 | -205 | -541 | -1,016 | -1,237 | -2,207 | -2,488 | -2,645 | -3,668 | - | -3,672 |
|---|
| Net cash provided by (used in) financing activities | -556 | -4,450 | 3,368 | 3,683 | 11,003 | 3,979 | 12,818 | 10,501 | 11,007 | 50,293 | 2,144 | - | 114,585 |
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| Effect of exchange rate change on cash and cash equivalents | - | - | - | - | - | - | - | -3 | -8 | -1 | 19 | - | 27 |
|---|
| Net increase (decrease) in cash and cash equivalents | 797 | 1,936 | 523 | -132 | 3,976 | 2,453 | 5,918 | 5,849 | 1,385 | 9,760 | 2,045 | - | 13,107 |
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