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Other Gains (Losses) (Tables) | 12 Months Ended
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Dec. 31, 2021
Other Gains (Losses) [Abstract] |
Summary of Other Gains (Losses) |
(1) | Composition of other gains (losses) for the years ended December 31, 2019, 2020 and 2021 are as follows:
|  |  |  |  | 2019 |  |  | 2020 |  |  | 2021 |
|  |  |  |  | In millions of won |
Other gains |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains on disposal of property, plant and equipment |  | ￦ |  |  |  |  | 43,784 |  |  |  | 93,195 |  |  |  | 56,284 |
Gains on disposal of intangible assets |  |  |  |  |  |  | 206 |  |  |  | 1,556 |  |  |  | 1 |
Reversal of impairment loss on property, plant and equipment |  |  |  |  |  |  | 16,692 |  |  |  | 7,805 |  |  |  | — |
Reversal of impairment loss on intangible assets |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 14 |
Gains on foreign currency translation |  |  |  |  |  |  | 16,340 |  |  |  | 8,917 |  |  |  | 20,598 |
Gains on foreign currency transaction |  |  |  |  |  |  | 53,152 |  |  |  | 61,865 |  |  |  | 48,671 |
Gains on insurance proceeds |  |  |  |  |  |  | 17,410 |  |  |  | 43,800 |  |  |  | 144 |
Others |  |  |  |  |  |  | 238,688 |  |  |  | 322,379 |  |  |  | 250,174 |
Other losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on disposal of property, plant and equipment |  |  |  |  |  |  | (72,508 | ) |  |  | (162,725 | ) |  |  | (92,622 | )
Losses on disposal of intangible assets |  |  |  |  |  |  | (827 | ) |  |  | (392 | ) |  |  | (145 | )
Losses on valuation of other non-current assets |  |  |  |  |  |  | — |  |  |  | (241 | ) |  |  | — |
Impairment loss on property, plant and equipment |  |  |  |  |  |  | (50,034 | ) |  |  | (80,413 | ) |  |  | (4,056 | )
Impairment loss on intangible assets |  |  |  |  |  |  | (513,609 | ) |  |  | (3,599 | ) |  |  | — |
Impairment loss on other non-current assets |  |  |  |  |  |  | (49,620 | ) |  |  | — |  |  |  | (16,035 | )
Losses on foreign currency translation |  |  |  |  |  |  | (8,757 | ) |  |  | (17,664 | ) |  |  | (4,732 | )
Losses on foreign currency transaction |  |  |  |  |  |  | (55,283 | ) |  |  | (49,694 | ) |  |  | (67,990 | )
Others |  |  |  |  |  |  | (217,892 | ) |  |  | (189,695 | ) |  |  | (181,787 | )
|  | ￦ |  |  |  |  | (582,258 | ) |  |  | 35,094 |  |  |  | 8,519 |
Summary of Others of Other Gains |
(2) | Details of “others” included in other gains for the years ended December 31, 2019, 2020 and 2021 are as follows:
|  |  |  |  | 2019 |  |  | 2020 |  |  | 2021 |
|  |  |  |  | In millions of won |
Gains on disposal of inventories |  | ￦ |  |  |  |  | 3,424 |  |  |  | 3,373 |  |  |  | 4,446 |
Gains on proxy collection of TV license fee |  |  |  |  |  |  | 41,013 |  |  |  | 41,438 |  |  |  | 42,271 |
Gains on compensation of impaired electric poles |  |  |  |  |  |  | 1,372 |  |  |  | 978 |  |  |  | 812 |
Gains on harbor facilities dues |  |  |  |  |  |  | 3,741 |  |  |  | 2,231 |  |  |  | 3,281 |
Gains on technical fees |  |  |  |  |  |  | 3,044 |  |  |  | 4,826 |  |  |  | 3,968 |
Reversal of occupation development training fees |  |  |  |  |  |  | 1,472 |  |  |  | 352 |  |  |  | 229 |
Gains on disposal of waste |  |  |  |  |  |  | 5,317 |  |  |  | 6,927 |  |  |  | 4,272 |
Gains on insurance |  |  |  |  |  |  | 812 |  |  |  | — |  |  |  | 690 |
Gains on tax rebate |  |  |  |  |  |  | 341 |  |  |  | 772 |  |  |  | 685 |
Gains on other commission |  |  |  |  |  |  | 1,111 |  |  |  | 1,643 |  |  |  | 1,822 |
Gains on disposal of greenhouse gas emissions rights |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 8,739 |
Gains on disposal of assets held-for-sale |  |  |  |  |  |  | 23,778 |  |  |  | — |  |  |  | 160 |
Others |  |  |  |  |  |  | 153,263 |  |  |  | 259,839 |  |  |  | 178,799 |
|  | ￦ |  |  |  |  | 238,688 |  |  |  | 322,379 |  |  |  | 250,174 |
Summary of Others of Other Losses |
(3) | Details of “others” included in other losses for the years ended December 31, 2019, 2020 and 2021 are as follows:
|  |  |  |  | 2019 |  |  | 2020 |  |  | 2021 |
|  |  |  |  | In millions of won |
Losses on valuation of inventories |  | ￦ |  |  |  |  | 3,127 |  |  |  | 4,998 |  |  |  | 7,761 |
Losses on disposal of inventories |  |  |  |  |  |  | 10,456 |  |  |  | 37,644 |  |  |  | 8,874 |
Losses due to disaster |  |  |  |  |  |  | 7,635 |  |  |  | 16,814 |  |  |  | 6,238 |
Losses on rounding adjustment of electric charge surtax |  |  |  |  |  |  | 1,268 |  |  |  | 1,276 |  |  |  | 1,283 |
Loss on disposal of greenhouse gas emissions rights |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 11,282 |
Others |  |  |  |  |  |  | 195,406 |  |  |  | 128,963 |  |  |  | 146,349 |
|  | ￦ |  |  |  |  | 217,892 |  |  |  | 189,695 |  |  |  | 181,787 |

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