| Oct 31,
2013 | Oct 31,
2014 | Oct 31,
2015 | Oct 31,
2016 | Oct 31,
2017 | Oct 31,
2018 | Oct 31,
2019 | Oct 31,
2020 | Oct 31,
2021 | Oct 31,
2022 | Oct 31,
2023 |
|---|
| Profit (loss) before income taxes | -1,170 | 1,152 | 408 | 623 | 188 | 983 | 449 | 251 | 165 | 793 | 974 |
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| Depreciation | 475 | 100 | 128 | 224 | 317 | 547 | 721 | 711 | 702 | 680 | 646 |
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| Impairment losses | 1,015 | 71 | 50 | - | 1 | - | 4 | 21 | 73 | - | 0 |
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| Increase (decrease) in allowance for doubtful accounts | 73 | 3 | -81 | -3 | -0 | -1 | -0 | 0 | 0 | 3 | -1 |
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| Increase (decrease) in provision for bonuses | 19 | 33 | 3 | 13 | -25 | 8 | 0 | 7 | -0 | 25 | 18 |
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| Increase (decrease) in provision for warranties for completed construction | 1 | -4 | -1 | 5 | -5 | 2 | -2 | 0 | -0 | -0 | 0 |
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| Increase (decrease) in provision for retirement benefits | 10 | -142 | - | -4 | 6 | -3 | 0 | -3 | 6 | -4 | 2 |
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| Interest and dividend income | -3 | -3 | -3 | -3 | -2 | -2 | -2 | -2 | -2 | -3 | -4 |
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| Interest expenses | 95 | 77 | 50 | 45 | 50 | 63 | 66 | 59 | 52 | 44 | 37 |
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| Subsidy income | - | - | - | - | - | -943 | -163 | - | -51 | -39 | -23 |
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| Subsidy income | - | - | - | - | - | - | - | -7 | -2 | -2 | - |
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| Loss (gain) on sale of property, plant and equipment | -1 | -699 | -9 | -1 | -0 | -0 | -262 | -0 | -0 | -1 | -277 |
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| Loss on retirement of property, plant and equipment | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Decrease (increase) in trade receivables | 9 | 403 | -908 | 560 | -370 | -416 | -544 | -319 | -326 | 207 | 1 |
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| Decrease (increase) in inventories | 60 | 536 | -395 | 565 | 31 | -89 | -203 | 292 | 18 | -427 | -35 |
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| Decrease (increase) in advance payments to suppliers | 321 | -304 | 119 | 255 | - | -133 | 133 | -177 | -25 | -45 | 247 |
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| Increase (decrease) in trade payables | 146 | -153 | 360 | -328 | 179 | 187 | -24 | -79 | 118 | 57 | -240 |
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| Increase (decrease) in lease unearned revenue-OpeCF | -18 | 51 | 16 | -17 | 68 | 112 | 46 | 103 | 161 | -82 | - |
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| Increase (decrease) in contract liabilities | - | - | - | - | - | - | - | - | - | 118 | -60 |
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| Other, net | -273 | 54 | 230 | -163 | -365 | 344 | -38 | 228 | -105 | 328 | 41 |
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| Subtotal | 920 | 1,224 | -56 | 1,710 | 61 | 628 | 182 | 1,033 | 785 | 1,652 | 1,328 |
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| Interest and dividends received | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 |
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| Interest paid | -94 | -74 | -47 | -45 | -47 | -66 | -66 | -55 | -53 | -47 | -37 |
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| Subsidies received | - | - | - | - | - | - | - | - | 51 | 39 | 23 |
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| Subsidies received | - | - | - | - | - | - | - | 7 | 2 | 2 | - |
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| Income taxes paid | -13 | -18 | -27 | -43 | -85 | -16 | -207 | -6 | -84 | -42 | -340 |
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| Net cash provided by (used in) operating activities | 814 | 1,132 | -130 | 1,624 | -70 | 548 | -90 | 981 | 703 | 1,605 | 978 |
|---|
| Purchase of investment securities | -3 | -3 | -3 | -4 | -3 | -3 | -5 | -3 | -3 | -3 | -3 |
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| Purchase of property, plant and equipment | -134 | -126 | -686 | -2,126 | -3,545 | -1,334 | -83 | -183 | -181 | -121 | -103 |
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| Proceeds from sale of property, plant and equipment | 1 | 1,361 | 131 | 1 | 0 | 0 | 357 | 0 | 0 | 1 | 403 |
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| Purchase of intangible assets | -2 | -2 | -2 | -22 | -24 | -7 | - | -2 | - | -16 | - |
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| Net cash provided by (used in) investing activities | -137 | 1,229 | -527 | -2,140 | -3,530 | -360 | 431 | -189 | -184 | -140 | 296 |
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| Net increase (decrease) in short-term borrowings | -270 | -1,040 | 160 | 560 | 3,250 | -3,350 | -325 | -400 | 375 | -250 | -550 |
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| Proceeds from long-term borrowings | 1,115 | 560 | 2,602 | 1,173 | 1,135 | 4,180 | 1,320 | 1,020 | 450 | 500 | 590 |
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| Repayments of long-term borrowings | -1,093 | -2,104 | -2,139 | -943 | -1,131 | -1,231 | -1,291 | -1,141 | -1,352 | -1,333 | -1,196 |
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| Purchase of treasury shares | -0 | -0 | - | -0 | -0 | -0 | -0 | - | - | -0 | -0 |
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| Repayments of lease liabilities | -31 | -48 | -21 | -19 | -22 | -57 | -65 | -60 | -60 | -61 | -51 |
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| Dividends paid | -9 | -0 | -17 | -17 | -26 | -26 | -34 | -35 | -35 | -35 | -70 |
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| Net cash provided by (used in) financing activities | -288 | -2,632 | 585 | 754 | 3,207 | -201 | -396 | -616 | -622 | -1,179 | -1,277 |
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| Effect of exchange rate change on cash and cash equivalents | 0 | 0 | 0 | -0 | 0 | - | - | - | - | - | - |
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| Net increase (decrease) in cash and cash equivalents | 388 | -270 | -72 | 238 | -393 | -12 | -54 | 176 | -102 | 287 | -3 |
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