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Other Gains (Losses) (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Gains (Losses) [Abstract] |
Other Gains (Losses) |
Composition of other gains (losses) for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Other gains |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains on disposal of property, plant, and equipment |  | ￦ |  |  |  |  | 48,316 |  |  |  | 98,077 |  |  |  | 43,784 |
Gains on disposal of intangible assets |  |  |  |  |  |  | 564 |  |  |  | 12 |  |  |  | 206 |
Reversal of impairment loss on property, plant and equipment |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 16,692 |
Reversal of impairment loss on intangible assets |  |  |  |  |  |  | 54 |  |  |  | 17 |  |  |  | — |
Gains on foreign currency translation |  |  |  |  |  |  | 20,485 |  |  |  | 14,905 |  |  |  | 16,340 |
Gains on foreign currency transaction |  |  |  |  |  |  | 93,151 |  |  |  | 47,297 |  |  |  | 53,152 |
Gains on insurance proceeds |  |  |  |  |  |  | 400 |  |  |  | — |  |  |  | 17,410 |
Others |  |  |  |  |  |  | 269,562 |  |  |  | 221,556 |  |  |  | 238,688 |
Other losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on disposal of property, plant and equipment |  |  |  |  |  |  | (70,514 | ) |  |  | (60,704 | ) |  |  | (72,508 | )
Losses on disposal of intangible assets |  |  |  |  |  |  | (183 | ) |  |  | (43 | ) |  |  | (827 | )
Impairment loss on property, plant and equipment |  |  |  |  |  |  | (51,067 | ) |  |  | (710,162 | ) |  |  | (50,034 | )
Impairment loss on intangible assets |  |  |  |  |  |  | (20 | ) |  |  | (8,112 | ) |  |  | (513,609 | )
Impairment loss on other non-current assets |  |  |  |  |  |  | — |  |  |  | (87,024 | ) |  |  | (49,620 | )
Losses on foreign currency translation |  |  |  |  |  |  | (25,495 | ) |  |  | (7,678 | ) |  |  | (8,757 | )
Losses on foreign currency transaction |  |  |  |  |  |  | (36,241 | ) |  |  | (65,366 | ) |  |  | (55,283 | )
Others |  |  |  |  |  |  | (92,385 | ) |  |  | (63,899 | ) |  |  | (217,892 | )
|  | ￦ |  |  |  |  | 156,627 |  |  |  | (621,124 | ) |  |  | (582,258 | )
Details of others of other gains |
Details of “others” included in other gains for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Gains on disposal of inventories |  | ￦ |  |  |  |  | 6,024 |  |  |  | 6,350 |  |  |  | 3,424 |
Gains on proxy collection of TV license fee |  |  |  |  |  |  | 39,711 |  |  |  | 40,450 |  |  |  | 41,013 |
Gains on compensation of impaired electric poles |  |  |  |  |  |  | 1,526 |  |  |  | 1,166 |  |  |  | 1,372 |
Gains on compensation for infringement on contract |  |  |  |  |  |  | 18,990 |  |  |  | 3,648 |  |  |  | — |
Gains on harbor facilities dues |  |  |  |  |  |  | 3,025 |  |  |  | 3,803 |  |  |  | 3,741 |
Gains on technical fees |  |  |  |  |  |  | 2,105 |  |  |  | 2,026 |  |  |  | 3,044 |
Reversal of occupation development training fees |  |  |  |  |  |  | 1,697 |  |  |  | 1,602 |  |  |  | 1,472 |
Gains on disposal of waste |  |  |  |  |  |  | 4,261 |  |  |  | 4,232 |  |  |  | 5,317 |
Gains on insurance |  |  |  |  |  |  | 10,410 |  |  |  | 22,382 |  |  |  | 812 |
Gains on tax rebate |  |  |  |  |  |  | 2,161 |  |  |  | 542 |  |  |  | 341 |
Gains on other commission |  |  |  |  |  |  | 4,790 |  |  |  | 4,347 |  |  |  | 1,111 |
Gains on disposal of assets held-for-sale |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 23,778 |
Others |  |  |  |  |  |  | 174,862 |  |  |  | 131,008 |  |  |  | 153,263 |
|  | ￦ |  |  |  |  | 269,562 |  |  |  | 221,556 |  |  |  | 238,688 |
Details of others of other losses |
Details of “others” included in other losses for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Losses on valuation of inventories |  | ￦ |  |  |  |  | 3,875 |  |  |  | 1,953 |  |  |  | 3,127 |
Losses on disposal of inventories |  |  |  |  |  |  | 3,273 |  |  |  | 3,555 |  |  |  | 10,456 |
Losses due to disaster |  |  |  |  |  |  | 5,374 |  |  |  | 2,129 |  |  |  | 7,635 |
Losses on rounding adjustment of electric charge surtax |  |  |  |  |  |  | 1,253 |  |  |  | 1,265 |  |  |  | 1,268 |
Losses on adjustments of levies |  |  |  |  |  |  | 1 |  |  |  | — |  |  |  | — |
Forfeit of taxes and dues |  |  |  |  |  |  | 656 |  |  |  | — |  |  |  | — |
Others |  |  |  |  |  |  | 77,953 |  |  |  | 54,997 |  |  |  | 195,406 |
|  | ￦ |  |  |  |  | 92,385 |  |  |  | 63,899 |  |  |  | 217,892 |

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