| 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 |
|---|
| Profit (loss) before income taxes | 487 | 307 | -267 | -462 | -1,951 | -186 | -288 | -1,075 | 731 | 7 | 2 | -554 |
|---|
| Depreciation | 690 | 629 | 562 | 501 | 258 | 136 | 113 | 93 | 36 | 47 | 55 | 72 |
|---|
| Impairment losses | 31 | - | - | 106 | 2,659 | 29 | - | 669 | 3 | - | - | 155 |
|---|
| Increase (decrease) in provision for retirement benefits | -3 | 5 | - | - | - | - | - | -3 | -1 | -3 | -4 | -0 |
|---|
| Interest and dividend income | -2 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | -0 | -0 | -0 | -0 |
|---|
| Interest expenses | 192 | 166 | 155 | 145 | 98 | 85 | 69 | 63 | 31 | 19 | 18 | 17 |
|---|
| Foreign exchange losses (gains) | -1 | -0 | - | - | - | - | - | - | - | - | - | - |
|---|
| Loss (gain) on sale of non-current assets | - | -17 | -17 | -71 | -5 | -20 | -3 | -0 | - | -52 | -0 | - |
|---|
| Loss on tax purpose reduction entry of non-current assets | - | - | - | - | - | - | - | - | - | - | - | 100 |
|---|
| Subsidy income | -199 | -87 | - | - | - | - | - | - | - | - | - | -100 |
|---|
| Subsidy income | - | -87 | -20 | -59 | -36 | -2 | -1 | -1 | -16 | -40 | -26 | -8 |
|---|
| Cooperation money income | - | - | - | - | - | - | - | - | - | - | - | -16 |
|---|
| Insurance claim income | - | - | - | - | - | - | - | - | - | - | -70 | - |
|---|
| Loss on disaster | - | - | - | - | - | - | - | - | - | 52 | 29 | - |
|---|
| Increase (decrease) in provision for loss on disaster | - | - | - | - | - | - | - | - | - | - | 6 | - |
|---|
| Decrease (increase) in trade receivables | 29 | 43 | 511 | 213 | -370 | 237 | 284 | 99 | 1 | -261 | 253 | 112 |
|---|
| Decrease (increase) in inventories | 282 | 58 | 37 | -74 | 26 | -14 | 30 | 35 | 24 | -7 | 35 | -28 |
|---|
| Decrease (increase) in other assets | 33 | -13 | 19 | 0 | -18 | -19 | -22 | 4 | 27 | 22 | -73 | 76 |
|---|
| Increase (decrease) in trade payables | -161 | -14 | 33 | -63 | -50 | -16 | -24 | -15 | -14 | 40 | -46 | 11 |
|---|
| Increase (decrease) in other liabilities | -16 | 159 | -60 | -1 | -76 | -34 | -62 | 31 | 3 | -19 | 5 | 130 |
|---|
| Subtotal | 1,438 | 856 | 917 | -38 | -885 | 153 | 55 | -109 | -289 | -195 | 183 | -35 |
|---|
| Interest and dividends received | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
|---|
| Interest paid | -187 | -170 | -155 | -143 | -99 | -81 | -67 | -54 | -31 | -19 | -18 | -14 |
|---|
| Subsidies received | - | 87 | 20 | 61 | 37 | 13 | 4 | 1 | 16 | 40 | 26 | 8 |
|---|
| Cooperation money received | - | - | - | - | - | - | - | - | - | - | - | 16 |
|---|
| Proceeds from insurance income | - | - | - | - | - | - | - | - | - | - | 70 | - |
|---|
| Settlement paid | - | - | - | - | - | - | - | -2 | -1 | -1 | -1 | -1 |
|---|
| Payments associated with disaster loss | - | - | - | - | - | - | - | - | - | -51 | -29 | - |
|---|
| Income taxes paid | -54 | -69 | -15 | -78 | -14 | -12 | -7 | -5 | -6 | -1 | -1 | -1 |
|---|
| Income taxes refund | 22 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 0 |
|---|
| Net cash provided by (used in) operating activities | 1,168 | 706 | 779 | -197 | -1,228 | 43 | -14 | -169 | -306 | -223 | 230 | -27 |
|---|
| Purchase of property, plant and equipment | -267 | -432 | -257 | -127 | -30 | -48 | -48 | -15 | -23 | -43 | -248 | -146 |
|---|
| Proceeds from sale of property, plant and equipment | - | 18 | 17 | 136 | 4 | 856 | 3 | 0 | - | 34 | 18 | - |
|---|
| Subsidies received | - | - | - | - | - | - | - | - | - | - | - | 100 |
|---|
| Purchase of investment securities | -1 | -1 | -21 | -1 | -1 | -1 | -1 | -1 | -1 | -0 | - | - |
|---|
| Loan advances | -1 | -0 | -3 | -12 | -7 | -2 | -1 | -0 | - | - | -1 | - |
|---|
| Other, net | -2 | -55 | 2 | 2 | 3 | 14 | -0 | - | - | - | 4 | -0 |
|---|
| Net cash provided by (used in) investing activities | -263 | -448 | -246 | 374 | 2,782 | 852 | -55 | 354 | -1 | -9 | -227 | -46 |
|---|
| Proceeds from short-term borrowings | - | - | - | 200 | - | - | - | - | - | - | - | 200 |
|---|
| Repayments of short-term borrowings | -310 | -223 | -223 | -231 | -1,770 | -321 | - | -200 | -190 | - | - | -200 |
|---|
| Proceeds from long-term borrowings | - | 150 | - | - | 4 | - | - | - | - | 32 | 49 | - |
|---|
| Repayments of long-term borrowings | -358 | -405 | -337 | -415 | -423 | -493 | -2 | - | -75 | -120 | -150 | -20 |
|---|
| Repayments of lease liabilities | -4 | -6 | -9 | -9 | -9 | -5 | -2 | - | - | -8 | -13 | -13 |
|---|
| Purchase of treasury shares | - | - | - | - | - | - | - | - | - | - | - | - |
|---|
| Proceeds from disposal of treasury shares from exercise of share acquisition rights | - | - | - | - | - | - | - | - | - | 69 | - | 63 |
|---|
| Net cash provided by (used in) financing activities | -703 | -514 | -593 | -662 | -2,043 | -826 | -4 | -200 | 435 | 282 | -114 | 31 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 1 | 0 | - | - | - | - | - | - | - | - | - | - |
|---|
| Net increase (decrease) in cash and cash equivalents | 203 | -256 | -59 | -484 | -489 | 69 | -74 | -15 | 128 | 50 | -111 | -43 |
|---|