| 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 |
|---|
| Profit (loss) before income taxes | 191 | 169 | 29 | 336 | 257 | -239 | 178 | 378 | 508 |
|---|
| Depreciation | 90 | 136 | 147 | 200 | 262 | 309 | 275 | 269 | 294 |
|---|
| Increase (decrease) in provision for bonuses for directors (and other officers) | 9 | -18 | - | 22 | -22 | - | - | 22 | 1 |
|---|
| Increase (decrease) in provision for bonuses | - | - | - | 58 | -32 | -27 | - | 52 | 24 |
|---|
| Increase (decrease) in provision for product warranties | -0 | 0 | 1 | -1 | 0 | -2 | 0 | 0 | -0 |
|---|
| Increase (decrease) in allowance for doubtful accounts | -0 | -0 | -1 | 0 | -0 | 0 | 0 | - | 0 |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 |
|---|
| Interest expenses | 5 | 6 | 5 | 6 | 10 | 14 | 13 | 11 | 12 |
|---|
| Loss (gain) on sale of non-current assets | -0 | - | - | 0 | 2 | -1 | -25 | 2 | 2 |
|---|
| Loss on retirement of non-current assets | 4 | 4 | - | 2 | 5 | 2 | 1 | 2 | 24 |
|---|
| Decrease (increase) in trade receivables | -72 | -40 | -211 | -95 | 223 | -262 | -98 | -24 | -98 |
|---|
| Decrease (increase) in inventories | -24 | -1 | -14 | -24 | -28 | -14 | -34 | -101 | 43 |
|---|
| Increase (decrease) in trade payables | 14 | -6 | 97 | -67 | -19 | -28 | 75 | 16 | -25 |
|---|
| Increase (decrease) in accrued consumption taxes | 6 | 22 | -30 | 62 | -62 | 76 | -4 | 9 | -54 |
|---|
| Decrease (increase) in consumption taxes refund receivable | - | - | -26 | 26 | -62 | 62 | - | - | -52 |
|---|
| Other, net | 36 | -5 | -61 | 52 | -2 | 108 | 17 | 82 | -65 |
|---|
| Subtotal | 258 | 259 | -64 | 571 | 533 | 29 | 399 | 716 | 613 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Interest paid | -5 | -6 | -5 | -6 | -10 | -14 | -13 | -11 | -13 |
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| Income taxes paid | -12 | -106 | -44 | -9 | -220 | -52 | -3 | -105 | -211 |
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| Income taxes refund | 2 | - | 5 | 12 | - | 8 | 74 | 0 | - |
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| Net cash provided by (used in) operating activities | 243 | 180 | -108 | 575 | 302 | -29 | 456 | 600 | 390 |
|---|
| Purchase of property, plant and equipment | -188 | -219 | -546 | -188 | -1,381 | -219 | -129 | -624 | -692 |
|---|
| Purchase of intangible assets | -13 | -16 | -12 | -8 | -17 | -32 | -11 | -8 | -13 |
|---|
| Proceeds from sale of property, plant and equipment | 0 | - | 0 | 0 | 87 | 2 | 29 | 3 | 1 |
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| Payments for retirement of property, plant and equipment | - | - | - | -1 | -1 | -0 | -0 | -1 | -14 |
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| Payments of leasehold and guarantee deposits | -7 | -2 | -1 | -14 | -7 | - | -0 | - | -0 |
|---|
| Proceeds from refund of leasehold and guarantee deposits | - | - | 1 | - | 0 | 0 | 2 | 0 | 0 |
|---|
| Net cash provided by (used in) investing activities | -204 | -229 | -555 | -210 | -1,319 | -249 | -112 | -629 | -718 |
|---|
| Net increase (decrease) in short-term borrowings | - | 120 | -120 | 156 | -156 | 300 | - | -200 | 100 |
|---|
| Proceeds from long-term borrowings | 30 | - | 120 | - | 500 | 64 | - | 470 | 550 |
|---|
| Repayments of long-term borrowings | -115 | -69 | -29 | -24 | -48 | -126 | -137 | -137 | -255 |
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| Proceeds from sale and leaseback transactions | - | - | - | 82 | 86 | 88 | - | 33 | - |
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| Repayments of lease liabilities | -21 | -48 | -52 | -51 | -92 | -121 | -114 | -135 | -102 |
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| Repayments of installment payables | -17 | -19 | -9 | -4 | -2 | -3 | -10 | -5 | -2 |
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| Proceeds from issuance of shares | - | 989 | 1 | 18 | 14 | - | - | 3 | 34 |
|---|
| Net cash provided by (used in) financing activities | -123 | 950 | -89 | 177 | 309 | 202 | -260 | 29 | 325 |
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| Net increase (decrease) in cash and cash equivalents | -83 | 901 | -752 | 542 | -709 | -76 | 84 | 0 | -3 |
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