| Mar 31, 2020 | Mar 31, 2021 | Mar 31, 2022 | Mar 31, 2023 | Mar 31, 2024 |
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Cash and deposits | - | 221 | 232 | 10,514 | 12,561 |
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Notes receivable - trade | - | - | - | 871 | 445 |
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Prepaid expenses | - | - | - | 6 | 13 |
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Accounts receivable - trade | - | - | - | 7,118 | 6,783 |
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Other | - | - | 28 | 945 | 386 |
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Current assets | - | 265 | 260 | 22,532 | 22,632 |
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Electronically recorded monetary claims - operating | - | - | - | 1,783 | 1,381 |
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Inventories | - | - | - | 1,320 | 1,116 |
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Other | - | - | 28 | 945 | 386 |
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Allowance for doubtful accounts | - | - | - | -18 | -40 |
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Current assets | - | 265 | 260 | 22,532 | 22,632 |
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Tools, furniture and fixtures | - | - | - | - | 1 |
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Buildings and structures | - | - | - | 14,773 | 15,338 |
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Accumulated depreciation | - | - | - | -8,981 | -9,333 |
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Buildings and structures, net | - | - | - | 5,792 | 6,005 |
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Property, plant and equipment | - | 3 | 3 | 16,950 | 17,019 |
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Machinery, equipment and vehicles | - | - | - | 9,032 | 9,526 |
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Accumulated depreciation | - | - | - | -7,856 | -8,018 |
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Machinery, equipment and vehicles, net | - | - | - | 1,176 | 1,508 |
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Land | - | - | - | 7,467 | 7,467 |
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Leased assets | - | - | - | 5,661 | 5,074 |
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Accumulated depreciation | - | - | - | -3,562 | -3,284 |
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Leased assets, net | - | - | - | 2,099 | 1,790 |
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Construction in progress | - | - | - | 188 | 7 |
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Other | - | - | - | 990 | 1,014 |
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Accumulated depreciation | - | - | - | -762 | -773 |
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Other, net | - | - | - | 229 | 241 |
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Property, plant and equipment | - | 3 | 3 | 16,950 | 17,019 |
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Software in progress | - | - | - | - | 3 |
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Goodwill | - | - | - | 962 | 735 |
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Intangible assets | - | - | - | 1,246 | 971 |
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Other | - | - | - | 284 | 237 |
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Intangible assets | - | - | - | 1,246 | 971 |
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Shares of subsidiaries and associates | - | - | - | 12,100 | 11,843 |
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Investment securities | - | 401 | 413 | 1,626 | 1,858 |
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Long-term loans receivable from subsidiaries and associates | - | - | - | 12,450 | 12,400 |
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Deferred tax assets | - | - | - | 253 | 102 |
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Long-term loans receivable from directors (and other officers) | - | - | - | 50 | 38 |
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Retirement benefit asset | - | - | - | 19 | 16 |
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Deferred tax assets | - | - | - | 253 | 102 |
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Other | - | - | - | 271 | 231 |
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Other | - | - | - | 271 | 231 |
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Allowance for doubtful accounts | - | - | - | -20 | -23 |
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Investments and other assets | - | 401 | 413 | 2,149 | 2,185 |
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Non-current assets | - | 404 | 416 | 20,345 | 20,175 |
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Organization expenses | - | - | - | 0 | 0 |
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Deferred assets | - | - | - | 0 | 0 |
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Assets | - | 669 | 676 | 42,878 | 42,807 |
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Assets | - | 669 | 676 | 42,878 | 42,807 |
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Short-term borrowings from subsidiaries and associates | - | - | - | 300 | - |
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Notes and accounts payable - trade | - | - | - | 4,174 | 4,085 |
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Current portion of long-term borrowings | - | - | - | 4,680 | 4,693 |
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Electronically recorded obligations - operating | - | - | - | 4,706 | 4,667 |
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Accounts payable - other | - | - | - | 7 | 3 |
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Current portion of bonds payable | - | - | - | - | 50 |
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Accrued expenses | - | - | - | 4 | 5 |
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Current portion of long-term borrowings | - | - | - | 4,680 | 4,693 |
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Provision for bonuses | - | - | - | 223 | 199 |
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Lease liabilities | - | - | - | 702 | 618 |
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Other | - | - | - | 1,341 | 1,174 |
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Income taxes payable | - | 0 | 0 | 66 | 273 |
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Current liabilities | - | 2 | 0 | 15,893 | 15,759 |
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Provision for bonuses | - | - | - | 223 | 199 |
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Other | - | - | - | 1,341 | 1,174 |
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Current liabilities | - | 2 | 0 | 15,893 | 15,759 |
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Long-term borrowings | - | - | - | 8,045 | 7,678 |
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Bonds payable | - | - | - | 50 | - |
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Provision for retirement benefits | - | - | - | 0 | 1 |
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Long-term borrowings | - | - | - | 8,045 | 7,678 |
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Non-current liabilities | - | 126 | 130 | 10,809 | 10,043 |
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Lease liabilities | - | - | - | 1,757 | 1,459 |
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Deferred tax liabilities | - | 126 | 130 | 11 | 0 |
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Retirement benefit liability | - | - | - | 894 | 841 |
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Asset retirement obligations | - | - | - | 36 | 37 |
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Other | - | - | - | 17 | 28 |
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Non-current liabilities | - | 126 | 130 | 10,809 | 10,043 |
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Liabilities | - | 129 | 130 | 26,703 | 25,802 |
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Share capital | - | 3 | 3 | 3,375 | 3,394 |
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Legal capital surplus | - | - | - | 844 | 863 |
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Other capital surplus | - | - | - | 9,256 | 9,256 |
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Capital surplus | - | - | - | 3,369 | 3,388 |
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Capital surplus | - | - | - | 3,369 | 3,388 |
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Legal retained earnings | - | - | - | 1 | 1 |
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Retained earnings brought forward | - | 1,025 | 1,024 | 2,303 | 2,153 |
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Retained earnings | - | 1,025 | 1,024 | 9,541 | 10,209 |
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Retained earnings | - | 1,025 | 1,024 | 9,541 | 10,209 |
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Treasury shares | - | -727 | -727 | -998 | -975 |
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Shareholders' equity | - | 301 | 300 | 15,287 | 16,015 |
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Share acquisition rights | - | - | - | 39 | - |
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Valuation difference on available-for-sale securities | - | 239 | 246 | 820 | 975 |
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Remeasurements of defined benefit plans | - | - | - | 27 | 6 |
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Valuation and translation adjustments | - | 239 | 246 | 846 | 981 |
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Net assets | 571 | 540 | 16,042 | 16,175 | 17,005 |
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Share acquisition rights | - | - | - | 39 | - |
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Non-controlling interests | - | - | - | 3 | 8 |
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Net assets | 571 | 540 | 16,042 | 16,175 | 17,005 |
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Liabilities and net assets | - | 669 | 676 | 42,878 | 42,807 |
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