| 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 | 1,140 | 926 | 1,330 | 1,693 | 639 | 1,081 | 2,841 | 2,448 | 2,459 | 2,851 | 2,551 | 2,868 |
|---|
| Depreciation | 108 | 117 | 127 | 141 | 136 | 140 | 163 | 190 | 188 | 219 | 271 | 344 |
|---|
| Amortization of goodwill | - | - | - | - | - | - | - | - | - | - | 8 | 24 |
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| Interest and dividend income | -52 | -34 | -42 | -58 | -42 | -24 | -29 | -36 | -36 | -41 | -35 | -44 |
|---|
| Interest expenses | - | - | - | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
|---|
| Foreign exchange losses (gains) | -9 | -54 | -8 | 43 | 7 | 36 | 29 | 30 | 19 | -14 | -15 | -40 |
|---|
| Settlement income | - | - | - | - | - | - | - | - | - | -41 | -468 | - |
|---|
| Loss on tax purpose reduction entry of non-current assets | - | 31 | - | - | - | - | - | - | - | - | - | 28 |
|---|
| Impairment losses | - | - | - | 67 | - | - | - | - | - | - | - | 138 |
|---|
| Subsidy income | - | 31 | - | - | - | - | - | - | - | - | - | -29 |
|---|
| Loss (gain) on step acquisitions | - | - | - | - | - | - | - | - | - | - | -73 | - |
|---|
| Loss (gain) on sale of investment securities | 280 | - | - | -29 | -67 | -6 | - | - | - | - | 1 | - |
|---|
| Loss (gain) on sale and retirement of non-current assets | - | - | - | - | - | - | - | - | 2 | 4 | 3 | -1,301 |
|---|
| Decrease (increase) in notes, accounts receivable-completed operation and contract assets | - | - | - | - | - | - | - | - | - | - | -2,032 | -514 |
|---|
| Decrease (increase) in costs on uncompleted services | -484 | 316 | -899 | -4 | 54 | 493 | -93 | -496 | 763 | -426 | 2,848 | 1,124 |
|---|
| Decrease (increase) in accounts payable-operating | 8 | 104 | -21 | 158 | -56 | 175 | -24 | 88 | -200 | 507 | 224 | -601 |
|---|
| Increase (decrease) in contract liabilities | - | - | - | - | - | - | - | - | - | - | -587 | -11 |
|---|
| Increase (decrease) in accrued consumption taxes | - | - | - | - | - | -73 | 264 | -157 | 245 | -141 | -118 | 181 |
|---|
| Increase (decrease) in allowance for doubtful accounts | -6 | -0 | 64 | 30 | 129 | 1 | -5 | -31 | 11 | -142 | 8 | 1 |
|---|
| Increase (decrease) in provision for bonuses | 152 | 6 | -52 | 45 | 34 | -9 | -35 | 280 | -137 | 161 | 76 | 8 |
|---|
| Increase (decrease) in retirement benefit liability | - | - | 74 | -173 | 29 | 24 | 49 | -69 | -148 | -203 | -467 | -23 |
|---|
| Other, net | -596 | 189 | -61 | 628 | 295 | -97 | 507 | -438 | -17 | 157 | 248 | -31 |
|---|
| Subtotal | 1,554 | 955 | 1,760 | 1,600 | 1,944 | -211 | 3,920 | 1,587 | 3,008 | 761 | 2,440 | 2,121 |
|---|
| Interest and dividends received | 54 | 34 | 38 | 55 | 47 | 25 | 29 | 37 | 38 | 42 | 37 | 45 |
|---|
| Interest paid | - | - | - | -0 | -1 | -0 | -0 | -1 | -0 | -0 | -0 | -0 |
|---|
| Settlement received | - | - | - | - | - | - | - | - | - | 41 | 468 | - |
|---|
| Subsidies received | - | - | - | - | - | - | - | - | - | - | - | 29 |
|---|
| Income taxes paid | -276 | -702 | -664 | -818 | -395 | -521 | -222 | -1,507 | -585 | -629 | -991 | -644 |
|---|
| Net cash provided by (used in) operating activities | 1,498 | 317 | 1,156 | 898 | 1,798 | -672 | 3,761 | 240 | 2,500 | 227 | 1,953 | 1,551 |
|---|
| Proceeds from cancellation of time deposits | - | - | - | - | - | 1,004 | 34 | 31 | 104 | 351 | 304 | 728 |
|---|
| Payments into time deposits | - | - | - | - | - | -26 | -42 | -79 | -185 | -303 | -327 | -739 |
|---|
| Purchase of property, plant and equipment | -23 | -152 | -68 | -124 | -101 | -56 | -105 | -124 | -107 | -460 | -724 | -253 |
|---|
| Proceeds from sale of property, plant and equipment | - | - | - | - | 2 | 83 | 210 | 1 | 1 | 0 | - | 3,100 |
|---|
| Purchase of intangible assets | -32 | -42 | -35 | -30 | -27 | -69 | -83 | -149 | -128 | -240 | -278 | -244 |
|---|
| Purchase of investment securities | - | - | - | - | - | -312 | -200 | - | -29 | -4 | -2 | - |
|---|
| Proceeds from sale of investment securities | 997 | - | - | 143 | 1,070 | 17 | - | - | - | - | 10 | - |
|---|
| Purchase of shares of subsidiaries and associates | - | - | - | - | - | - | - | - | - | - | -5 | - |
|---|
| Proceeds from purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | - | 57 | - |
|---|
| Payments of leasehold and guarantee deposits | -5 | -22 | -68 | -329 | -116 | -16 | -60 | -21 | -60 | -3 | -4 | -217 |
|---|
| Proceeds from refund of leasehold and guarantee deposits | 12 | 5 | 37 | 32 | 133 | 15 | 19 | 32 | 33 | 14 | 13 | 15 |
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| Other, net | - | -2 | -2 | -12 | 2 | -26 | - | 4 | -1 | -7 | 5 | 28 |
|---|
| Net cash provided by (used in) investing activities | 972 | -214 | -136 | -289 | 958 | 639 | -227 | -225 | -372 | -551 | -951 | 2,419 |
|---|
| Dividends paid | -428 | -409 | -390 | -408 | -428 | -409 | -390 | -486 | -486 | -573 | -669 | -765 |
|---|
| Purchase of shares of subsidiaries not resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | - | -194 | - |
|---|
| Other, net | -1 | -1 | -1 | 4 | -5 | -4 | -2 | 11 | -12 | 17 | -4 | -7 |
|---|
| Net cash provided by (used in) financing activities | -429 | -409 | -391 | -404 | -433 | -413 | -392 | -535 | -853 | -557 | -866 | -772 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 6 | -8 | 6 | -44 | -13 | -28 | -21 | -25 | -3 | -1 | 16 | 10 |
|---|
| Net increase (decrease) in cash and cash equivalents | 2,047 | -314 | 636 | 160 | 2,311 | -475 | 3,122 | -545 | 1,273 | -883 | 152 | 3,208 |
|---|
| Cash and cash equivalents from newly consolidated subsidiaries at the beginning of the year | - | - | - | - | - | - | - | - | - | - | 367 | - |
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