| 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 | 507 | 255 | 473 | 465 | 253 | 342 | 366 | 307 | 286 | 379 | 468 | 512 |
|---|
| Depreciation | 480 | 448 | 439 | 419 | 414 | 426 | 338 | 379 | 374 | 356 | 373 | 397 |
|---|
| Impairment losses | 23 | 241 | 17 | - | 199 | 104 | 30 | 6 | 30 | - | 2 | 127 |
|---|
| Amortization of goodwill | - | - | - | - | - | - | - | - | - | - | - | 5 |
|---|
| Increase (decrease) in retirement benefit liability | - | - | 67 | 48 | 56 | 6 | 84 | 68 | -24 | -22 | -31 | -73 |
|---|
| Increase (decrease) in allowance for doubtful accounts | -10 | 2 | 2 | -5 | 44 | 6 | -20 | -6 | -3 | -1 | -1 | 1 |
|---|
| Increase (decrease) in reserve for demolition and removal | - | - | - | - | - | - | - | - | - | - | - | 96 |
|---|
| Interest and dividend income | -39 | -46 | -47 | -52 | -58 | -67 | -63 | -67 | -60 | -56 | -75 | -77 |
|---|
| Interest expenses | 285 | 229 | 200 | 175 | 144 | 116 | 99 | 91 | 87 | 84 | 82 | 88 |
|---|
| Loss on abandonment of non-current assets | 5 | - | - | 3 | - | 1 | 33 | 8 | 3 | 29 | 6 | 15 |
|---|
| Loss (gain) on sale of non-current assets | -7 | -3 | -39 | - | -5 | - | - | - | - | - | - | - |
|---|
| Loss on tax purpose reduction entry of non-current assets | - | - | - | - | 10 | - | 5 | 10 | - | 1 | 21 | 10 |
|---|
| Loss (gain) on sale of investments in capital | - | - | - | - | - | - | - | - | - | - | -16 | - |
|---|
| Loss (gain) on valuation of investment securities | - | - | - | 1 | - | - | - | - | 122 | - | 5 | - |
|---|
| Loss (gain) on sale of investment securities | - | -78 | - | - | - | -91 | -98 | - | -171 | -11 | - | -1 |
|---|
| Insurance claim income | - | - | - | - | - | - | - | - | - | - | -10 | -62 |
|---|
| Subsidy income | - | - | - | - | -10 | - | -6 | -10 | -11 | -1 | -22 | - |
|---|
| Loss on withdrawal from business | - | - | - | - | - | 21 | - | 2 | 21 | - | 54 | - |
|---|
| Loss on valuation of golf club membership | - | - | - | - | - | - | - | - | - | - | - | 8 |
|---|
| Decrease (increase) in trade receivables | -101 | -610 | 137 | -56 | 325 | -222 | -309 | 476 | -229 | -2 | 303 | 153 |
|---|
| Decrease (increase) in inventories | 220 | -86 | -261 | 121 | -236 | -233 | -136 | 99 | 177 | -200 | -701 | -757 |
|---|
| Increase (decrease) in trade payables | -474 | 305 | 118 | -129 | 140 | -201 | 207 | -195 | -194 | 170 | 196 | 71 |
|---|
| Decrease (increase) in long-term lease guarantee deposited | -53 | -71 | -60 | -165 | -49 | -58 | -262 | -48 | -167 | 17 | 12 | 1 |
|---|
| Other, net | 10 | -5 | 21 | -3 | -106 | 112 | -26 | -47 | -56 | -25 | 33 | 66 |
|---|
| Subtotal | 857 | 689 | 1,049 | 828 | 1,165 | 262 | 241 | 1,086 | 149 | 715 | 702 | 585 |
|---|
| Interest and dividends received | 42 | 51 | 52 | 58 | 58 | 66 | 69 | 67 | 59 | 56 | 72 | 77 |
|---|
| Interest paid | -276 | -239 | -202 | -176 | -148 | -116 | -98 | -90 | -87 | -82 | -81 | -92 |
|---|
| Proceeds from insurance income | - | - | - | - | - | 39 | 76 | 15 | 12 | 34 | 10 | 62 |
|---|
| Income taxes paid | -75 | -63 | -135 | -194 | -232 | -129 | -162 | -88 | -203 | -69 | -213 | -221 |
|---|
| Income taxes refund | 5 | 46 | 1 | 3 | - | 5 | - | 57 | - | 10 | 1 | 3 |
|---|
| Net cash provided by (used in) operating activities | 593 | 445 | 789 | 565 | 853 | 127 | 126 | 1,047 | -68 | 664 | 492 | 414 |
|---|
| Payments into time deposits | -20 | -103 | -253 | -482 | -335 | -658 | -211 | -280 | -395 | -415 | -630 | -398 |
|---|
| Proceeds from withdrawal of time deposits | 10 | 10 | 155 | 426 | 486 | 311 | 355 | 252 | 237 | 361 | 496 | 518 |
|---|
| Purchase of investment securities | -149 | -8 | -8 | -8 | -161 | -9 | -9 | -152 | -4 | -6 | - | -56 |
|---|
| Proceeds from sale of investment securities | - | 191 | - | - | - | 170 | 112 | - | 286 | 36 | - | 54 |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | - | - | -179 |
|---|
| Proceeds from sale of investments in capital | - | - | - | - | 92 | - | - | - | - | 27 | 40 | - |
|---|
| Purchase of property, plant and equipment | -265 | -280 | -417 | -106 | -366 | -186 | -431 | -330 | -338 | -269 | -995 | -558 |
|---|
| Proceeds from sale of property, plant and equipment | 11 | 7 | 93 | - | 253 | 7 | 444 | - | - | - | - | 1 |
|---|
| Purchase of intangible assets | -5 | -6 | -22 | - | -7 | -16 | -89 | -7 | -4 | -19 | -2 | -16 |
|---|
| Loan advances | - | - | - | - | -60 | -20 | - | - | - | - | -42 | -19 |
|---|
| Proceeds from collection of loans receivable | - | - | - | - | - | 45 | 38 | 12 | 9 | 12 | 3 | 28 |
|---|
| Subsidies received | - | - | - | - | - | - | - | 7 | 19 | 4 | 22 | - |
|---|
| Proceeds from cancellation of insurance funds | - | - | - | - | - | - | - | - | - | - | - | 44 |
|---|
| Other, net | 2 | -27 | 26 | -1 | -16 | -25 | -32 | -12 | -8 | 14 | -22 | -13 |
|---|
| Net cash provided by (used in) investing activities | -456 | -236 | -437 | -232 | 89 | -219 | 62 | -527 | -199 | -217 | -1,130 | -597 |
|---|
| Net increase (decrease) in short-term borrowings | -1,250 | 695 | -5 | 490 | 205 | -1,060 | -425 | -460 | 50 | -380 | 1,280 | 450 |
|---|
| Proceeds from long-term borrowings | 5,146 | 2,190 | 3,391 | 2,600 | 3,639 | 4,683 | 3,783 | 3,844 | 4,968 | 4,218 | 3,048 | 4,048 |
|---|
| Repayments of long-term borrowings | -3,418 | -2,947 | -2,839 | -2,993 | -3,831 | -3,331 | -3,205 | -3,247 | -3,760 | -4,390 | -3,856 | -4,163 |
|---|
| Repayments of finance lease liabilities | -1 | -7 | -26 | -26 | -22 | -2 | -1 | -1 | -2 | -2 | -2 | -7 |
|---|
| Dividends paid | -177 | -177 | -178 | -178 | -178 | -177 | -178 | -177 | -178 | -89 | -133 | -97 |
|---|
| Other, net | -2 | - | - | - | - | - | - | - | - | - | - | - |
|---|
| Net cash provided by (used in) financing activities | -1,068 | -566 | -236 | -319 | -317 | -397 | -407 | -293 | 928 | -692 | 336 | 230 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 54 | 111 | 33 | -13 | -39 | 13 | -26 | -7 | 3 | 45 | 25 | 6 |
|---|
| Net increase (decrease) in cash and cash equivalents | -877 | -246 | 149 | - | 586 | -476 | -245 | 219 | 663 | -200 | -275 | 54 |
|---|