| 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 | 9,154 | 4,075 | 4,796 | 2,677 | 1,979 | 1,242 | 1,878 | 3,142 | 2,828 | 4,161 | 3,227 | 4,163 |
|---|
| Depreciation | 892 | 931 | 1,018 | 1,322 | 1,306 | 1,236 | 1,107 | 1,159 | 1,192 | 1,118 | 1,291 | 1,585 |
|---|
| Amortization of goodwill | 45 | 141 | 227 | 238 | 287 | 238 | 77 | 54 | 125 | 16 | 69 | 76 |
|---|
| Increase (decrease) in provision for bonuses | 66 | 93 | 67 | -209 | -1 | -72 | -6 | 3 | 1 | 4 | 9 | -15 |
|---|
| Interest and dividend income | -133 | -152 | -144 | -150 | -173 | -206 | -250 | -288 | -193 | -125 | -246 | -493 |
|---|
| Interest expenses | 4 | 5 | 9 | 9 | 8 | 5 | 4 | 7 | 11 | 9 | 17 | 41 |
|---|
| Share of loss (profit) of entities accounted for using equity method | -366 | -8 | -35 | 31 | -29 | -32 | -78 | -59 | -29 | -55 | 2 | -115 |
|---|
| Loss (gain) on sale of investment securities | 46 | -3 | -1 | - | -15 | -16 | -9 | -225 | -6 | -23 | -80 | -585 |
|---|
| Loss (gain) on sale of shares of subsidiaries and associates | -6,281 | - | - | - | - | - | - | -25 | - | - | -83 | - |
|---|
| Decrease (increase) in trade receivables | -119 | -5,744 | 400 | -1,219 | -6,505 | 3,612 | -112 | -2,926 | 1,643 | -516 | -7,417 | -4,147 |
|---|
| Decrease (increase) in inventories | -608 | 672 | -80 | 208 | -17 | -350 | 56 | -100 | -426 | -636 | -899 | -1,042 |
|---|
| Decrease (increase) in costs on uncompleted services-OpeCF | 889 | 462 | 397 | -136 | 409 | -465 | 253 | 1,639 | 39 | - | - | 66 |
|---|
| Increase (decrease) in trade payables | -170 | 1,286 | -1,392 | 578 | 806 | -1,230 | -47 | 133 | -216 | -87 | 1,129 | 684 |
|---|
| Loss (gain) on liquidation of subsidiaries and associates | - | - | - | - | - | - | - | - | - | - | -30 | - |
|---|
| Increase (decrease) in advances received on service contracts in progress | -60 | 130 | -13 | -116 | 397 | 378 | 197 | -1,195 | -77 | -59 | 22 | -30 |
|---|
| Loss on tax purpose reduction entry of non-current assets | - | - | - | - | - | - | - | - | - | - | - | 309 |
|---|
| Subsidy income | - | - | - | - | - | - | - | - | - | - | - | -310 |
|---|
| Increase (decrease) in accrued consumption taxes | - | - | - | - | - | - | - | - | - | - | 524 | 736 |
|---|
| Other, net | 418 | -256 | 169 | 217 | -207 | 350 | -960 | 1,222 | 706 | -569 | -55 | 514 |
|---|
| Subtotal | 4,179 | 1,416 | 5,260 | 3,308 | -1,706 | 4,765 | 2,155 | 2,707 | 5,948 | 3,376 | -3,107 | 1,436 |
|---|
| Interest and dividends received | 133 | 190 | 176 | 184 | 188 | 223 | 274 | 316 | 234 | 144 | 275 | 501 |
|---|
| Interest paid | -4 | -5 | -9 | -9 | -8 | -5 | -4 | -7 | -11 | -9 | -17 | -41 |
|---|
| Income taxes paid | -4,508 | -257 | -1,257 | -1,579 | -680 | -1,055 | -272 | -686 | -1,246 | -1,204 | -1,286 | -1,247 |
|---|
| Subsidies received | - | - | - | - | - | - | - | - | - | - | - | 221 |
|---|
| Net cash provided by (used in) operating activities | -183 | 1,411 | 4,170 | 2,047 | -1,321 | 3,927 | 2,152 | 2,515 | 4,925 | 2,307 | -4,136 | 870 |
|---|
| Payments into time deposits | -5,697 | -4,643 | -25 | -200 | -3,551 | -5,609 | -5,521 | -5,616 | -5,344 | -5,486 | -6,632 | -4,919 |
|---|
| Proceeds from withdrawal of time deposits | 1,122 | 5,955 | - | 5,989 | 7 | 4,632 | 5,330 | 5,689 | 5,467 | 5,472 | 6,303 | 6,923 |
|---|
| Proceeds from sale of securities | 1,417 | 987 | 1,113 | 1,606 | 1,501 | 1,199 | 1,200 | 3,000 | 300 | 23 | 750 | 1,001 |
|---|
| Purchase of property, plant and equipment and intangible assets | -601 | -576 | -1,692 | -1,724 | -782 | -1,071 | -1,057 | -1,151 | -893 | -1,101 | -1,631 | -1,690 |
|---|
| Proceeds from sale of property, plant and equipment and intangible assets | 104 | 149 | 99 | 12 | 71 | 694 | 12 | 15 | 385 | 212 | 21 | 162 |
|---|
| Purchase of investment securities | -1,615 | -1,695 | -512 | -1,418 | -712 | -702 | -113 | -13 | -13 | -94 | -9 | -9 |
|---|
| Proceeds from sale of investment securities | 172 | 623 | 21 | 215 | 202 | 30 | 25 | 603 | 47 | 58 | 285 | 858 |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | -976 | - | - | -259 | - | - | -251 | - | - | -424 | -1,783 |
|---|
| Contingent consideration payments of shares of subsidiaries-InvCF | - | - | - | - | - | - | - | - | -28 | -29 | -18 | - |
|---|
| Proceeds from sale of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | - | - | - | - | - | 179 | - |
|---|
| Proceeds from liquidation for nonconsolidated and associated companies-InvCF | - | - | - | - | - | - | - | - | - | - | 38 | - |
|---|
| Proceeds from collection of loans receivable | 21 | 14 | 17 | 5 | 4 | 6 | 72 | - | 1 | 4 | 129 | 6 |
|---|
| Other, net | - | 107 | 28 | -10 | 100 | 416 | 38 | - | 362 | 51 | -13 | 49 |
|---|
| Net cash provided by (used in) investing activities | 4,859 | -57 | -1,756 | 4,046 | -4,057 | -440 | -677 | -624 | -15 | -888 | -1,020 | 598 |
|---|
| Proceeds from short-term borrowings | - | - | - | - | - | - | - | 103 | - | 163 | 1 | 465 |
|---|
| Repayments of short-term borrowings | -50 | - | - | - | - | - | - | -2 | -7 | -101 | -20 | -210 |
|---|
| Proceeds from long-term borrowings | 2 | - | - | - | - | - | - | - | - | - | - | 3,500 |
|---|
| Repayments of long-term borrowings | -84 | -1 | - | - | - | - | - | - | - | - | -151 | -21 |
|---|
| Repayments of lease liabilities | -118 | -285 | -481 | -111 | -143 | -105 | -101 | -111 | -112 | -114 | -135 | -197 |
|---|
| Proceeds from sale of treasury shares | - | - | 282 | - | - | - | - | 1 | 6 | - | 7 | 28 |
|---|
| Purchase of treasury shares | - | -7 | -283 | - | - | - | -1,410 | - | - | -1,604 | -2,209 | -341 |
|---|
| Dividends paid | -338 | -480 | -652 | -763 | -763 | -1,036 | -752 | -740 | -846 | -838 | -1,382 | -1,203 |
|---|
| Dividends paid to non-controlling interests | - | - | - | -9 | -3 | -6 | -76 | -6 | -18 | -9 | -5 | -7 |
|---|
| Other, net | - | - | - | -17 | -17 | -13 | -41 | - | - | - | -10 | -51 |
|---|
| Net cash provided by (used in) financing activities | -592 | -775 | -1,136 | -902 | -928 | -1,163 | -2,381 | -756 | -979 | -2,504 | -3,907 | 1,961 |
|---|
| Effect of exchange rate change on cash and cash equivalents | - | 850 | 326 | 297 | -512 | -151 | -172 | 32 | -210 | 399 | 559 | 203 |
|---|
| Net increase (decrease) in cash and cash equivalents | 4,084 | 1,428 | 1,604 | 5,488 | -6,819 | 2,173 | -1,078 | 1,166 | 3,719 | -685 | -8,505 | 3,633 |
|---|