| Sep 30,
2013 | Sep 30,
2014 | Sep 30,
2015 | Sep 30,
2016 | Sep 30,
2017 | Sep 30,
2018 | Sep 30,
2019 | Sep 30,
2020 | Sep 30,
2021 | Sep 30,
2022 | Sep 30,
2023 |
|---|
| Profit (loss) before income taxes | 152 | 125 | 405 | 383 | 391 | 546 | 486 | 966 | -679 | 2,644 | 1,347 |
|---|
| Depreciation | 37 | 23 | 28 | 34 | 41 | 109 | 115 | 75 | 138 | 209 | 377 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 0 | -0 | 1 | 0 | 0 | -1 | - | - | 302 | -128 | - |
|---|
| Increase (decrease) in provision for bonuses | -0 | -1 | 7 | -1 | -2 | 15 | -8 | 5 | 11 | 53 | -78 |
|---|
| Increase (decrease) in provision for loss on subleases | - | - | - | - | - | - | - | -2 | -1 | -1 | - |
|---|
| Increase (decrease) in retirement benefit liability | - | - | - | - | - | - | - | - | - | 20 | - |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -1 | - | -1 | - | -9 | -68 | - |
|---|
| Subsidy income | - | - | - | - | - | - | - | - | - | -16 | - |
|---|
| Penalty income | - | - | - | - | - | - | - | - | - | - | -47 |
|---|
| Interest expenses | 131 | 89 | 111 | 113 | 113 | 172 | 313 | 285 | 478 | 840 | 576 |
|---|
| Foreign exchange losses (gains) | - | - | 1 | 0 | -0 | - | - | - | -85 | -69 | - |
|---|
| Amortization of deferred assets | - | - | - | - | 16 | 40 | 40 | 23 | 25 | 34 | 34 |
|---|
| Amortization of goodwill | - | - | - | - | - | - | 16 | 16 | 21 | 27 | 16 |
|---|
| Gain on reversal of share acquisition rights | -1 | - | - | - | - | - | - | - | - | -24 | - |
|---|
| Loss (gain) on sale and retirement of property, plant and equipment | - | - | - | - | 8 | 2 | - | - | - | -7 | -13 |
|---|
| Loss (gain) on sale of investment securities | - | - | - | - | - | - | - | - | -44 | -53 | - |
|---|
| Loss (gain) on investments in silent partnerships | - | - | - | - | - | - | - | 36 | 299 | 682 | 430 |
|---|
| Loss (gain) on sales of investments in capital of subsidiaries and affiliates | - | - | - | - | - | - | - | - | - | - | -276 |
|---|
| Loss (gain) on sale of shares of subsidiaries and associates | - | - | - | - | - | 2 | - | - | - | -1,060 | - |
|---|
| Decrease (increase) in trade receivables | 24 | -11 | 8 | -19 | -8 | -20 | 71 | 3 | -13 | 24 | -8 |
|---|
| Decrease (increase) in inventories | 3,999 | -301 | -1,007 | 423 | -3,399 | -15,094 | 1,907 | -3,058 | 3,172 | -19,317 | -23,873 |
|---|
| Decrease (increase) in supplies | - | - | - | - | - | - | - | - | 4 | - | - |
|---|
| Increase (decrease) in trade payables | -53 | 18 | -13 | 50 | 130 | -21 | 668 | -58 | -2,585 | 568 | -26 |
|---|
| Share-based payment expenses | - | - | - | - | - | - | - | - | - | - | 33 |
|---|
| Decrease (increase) in operating loans receivable | - | - | - | - | - | - | - | - | - | - | -1,150 |
|---|
| Other, net | -15 | -34 | -1 | -125 | -110 | -274 | -140 | -42 | 139 | 137 | -470 |
|---|
| Subtotal | 4,279 | -90 | -462 | 857 | -2,820 | -14,596 | 3,485 | -1,728 | 1,664 | -15,504 | -23,128 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | 1 | 1 | - | 10 | 93 | - |
|---|
| Interest paid | -137 | -91 | -124 | -110 | -117 | -170 | -306 | -284 | -447 | -844 | -540 |
|---|
| Subsidies received | - | - | - | - | - | - | - | - | - | 16 | - |
|---|
| Penalty income received | - | - | - | - | - | - | - | - | - | - | 47 |
|---|
| Income taxes refund | - | - | - | - | - | - | 8 | 8 | 246 | 108 | - |
|---|
| Income taxes paid | -1 | -1 | -17 | -38 | -54 | -55 | -143 | -113 | -356 | -593 | -475 |
|---|
| Net cash provided by (used in) operating activities | 4,141 | -182 | -603 | 708 | -2,991 | -14,822 | 3,044 | -2,116 | 1,117 | -16,722 | -24,096 |
|---|
| Payments into time deposits | - | - | - | - | - | - | - | - | -125 | -44 | -102 |
|---|
| Proceeds from withdrawal of time deposits | - | - | - | - | - | - | - | - | 581 | 82 | - |
|---|
| Payments into secured deposits | - | - | - | - | - | - | - | - | - | -80 | - |
|---|
| Proceesd from secured deposits | - | - | - | - | - | - | - | - | 308 | 80 | - |
|---|
| Purchase of investment securities | - | - | - | - | - | - | - | - | - | - | -4 |
|---|
| Proceeds from sale of investment securities | - | - | - | - | - | - | - | - | 201 | 306 | - |
|---|
| Purchase of shares of subsidiaries and associates | - | - | - | - | - | - | - | - | - | -50 | - |
|---|
| Purchase of property, plant and equipment | -17 | -202 | -9 | -2 | -102 | -30 | -4 | -2 | -27 | -52 | - |
|---|
| Proceeds from sale of property, plant and equipment | - | - | - | 2 | 6 | 3 | - | - | 22 | 14 | 28 |
|---|
| Purchase of intangible assets | - | - | -2 | - | -14 | -20 | -1 | -6 | -7 | -9 | -9 |
|---|
| Loan advances | - | - | - | - | - | - | - | - | - | -350 | - |
|---|
| Payments for investments in capital | - | - | - | - | - | -20 | -2 | -2 | -2 | -3 | - |
|---|
| Proceeds from divestments | - | - | - | - | - | - | - | - | 188 | 214 | - |
|---|
| Proceeds from sales of investments in capital of subsidiaries and affiliates | - | - | - | - | - | - | - | - | - | - | 952 |
|---|
| Payments of leasehold and guarantee deposits | -13 | -7 | -2 | -6 | -93 | -2 | -14 | - | -45 | -245 | -65 |
|---|
| Proceeds from lease and guarantee deposits | 10 | 3 | 8 | 0 | 15 | 3 | - | 2 | 63 | 27 | 4 |
|---|
| Collection of claims provable in bankruptcy, claims provable in rehabilitation | - | - | - | - | - | - | - | - | - | 193 | - |
|---|
| Proceeds on transfer of receivables | - | - | - | - | - | - | - | - | - | 5,568 | - |
|---|
| Proceeds from sale of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | 1,156 | - |
|---|
| Proceeds from purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | 1,472 | 1,072 | 2,434 |
|---|
| Proceeds from transfer of equity interest in anonymous association resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | - | 212 |
|---|
| Payments for investments in silent partnerships | - | - | - | - | - | - | - | -3,500 | -554 | -3,009 | -22 |
|---|
| Proceeds from withdrawal of investments in silent partnerships | - | - | - | - | - | - | - | - | - | - | 12 |
|---|
| Other, net | -1 | -2 | -2 | 1 | -16 | - | 6 | -7 | -1 | -3 | 58 |
|---|
| Net cash provided by (used in) investing activities | -32 | -198 | -9 | -4 | -203 | -52 | -39 | -3,516 | 2,117 | 4,864 | 3,499 |
|---|
| Net increase (decrease) in short-term borrowings | -385 | - | 440 | -196 | 58 | 345 | -141 | 2,029 | -522 | 7,106 | 2,224 |
|---|
| Proceeds from long-term borrowings | - | 1,299 | 3,343 | 2,460 | 6,184 | 16,435 | 9,678 | 10,133 | 15,157 | 23,407 | 25,539 |
|---|
| Repayments of long-term borrowings | -3,282 | -1,091 | -3,273 | -2,810 | -4,352 | -5,775 | -11,838 | -8,599 | -23,143 | -15,630 | -8,902 |
|---|
| Redemption of bonds | - | -200 | - | - | -300 | - | - | - | -80 | -100 | - |
|---|
| Dividends paid | - | - | - | - | - | - | - | - | - | -389 | -390 |
|---|
| Purchase of treasury shares | - | - | - | - | - | - | - | - | - | - | -382 |
|---|
| Purchase of shares of subsidiaries not resulting in change in scope of consolidation | - | - | -4 | - | - | - | - | - | - | - | -158 |
|---|
| Repayments to non-controlling shareholders | - | - | - | - | - | - | - | - | - | - | -84 |
|---|
| Other, net | -1 | -1 | -2 | -1 | -1 | - | - | - | -15 | -32 | - |
|---|
| Net cash provided by (used in) financing activities | -3,667 | 306 | 507 | -546 | 10,492 | 11,004 | -2,301 | 3,561 | 2,300 | 14,362 | 17,846 |
|---|
| Effect of exchange rate change on cash and cash equivalents | - | - | -1 | -0 | 0 | - | - | - | 47 | 6 | - |
|---|
| Net increase (decrease) in cash and cash equivalents | 442 | -74 | -105 | 158 | 7,298 | -3,870 | 704 | -2,071 | 5,582 | 2,511 | -2,750 |
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