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Other Income and Expense (Tables) | 12 Months Ended
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Dec. 31, 2022
Disclosure of other operating income (expense) [Abstract] |
Summary of Other Income |
(1) | Other income for the years ended December 31, 2020, 2021 and 2022 are as follows:
|  |  |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Reversal of other provisions |  |  | ￦ |  |  |  | 25,826 |  |  |  | 15,548 |  |  |  | 15,265 |
Reversal of other allowance for doubtful accounts |  |  |  |  |  |  | 2,465 |  |  |  | 98 |  |  |  | 37 |
Gains on government grants |  |  |  |  |  |  | 269 |  |  |  | 458 |  |  |  | 301 |
Gains on assets contributed |  |  |  |  |  |  | 24,324 |  |  |  | 9,347 |  |  |  | 1,953 |
Gains on liabilities exempted |  |  |  |  |  |  | 1,314 |  |  |  | 1,830 |  |  |  | 1,181 |
Compensation and reparations revenue |  |  |  |  |  |  | 95,407 |  |  |  | 104,826 |  |  |  | 89,638 |
Revenue from foundation fund |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | 3 |
Revenue from research contracts |  |  |  |  |  |  | 4,001 |  |  |  | 5,996 |  |  |  | 8,191 |
Income related to transfer of assets from customers |  |  |  |  |  |  | 643,477 |  |  |  | 661,212 |  |  |  | 711,839 |
Rental income |  |  |  |  |  |  | 193,567 |  |  |  | 204,123 |  |  |  | 208,064 |
Others |  |  |  |  |  |  | 45,798 |  |  |  | 30,694 |  |  |  | 59,017 |
|  |  | ￦ |  |  |  | 1,036,448 |  |  |  | 1,034,133 |  |  |  | 1,095,489 |
Summary of Details of Others of Other Income |
(2) | Details of “others” included in other income for the years ended December 31, 2020, 2021 and 2022 are as follows:
|  |  |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Refund of claim for rectification |  |  | ￦ |  |  |  | 11,880 |  |  |  | 7,274 |  |  |  | 701 |
Adjustment of research project |  |  |  |  |  |  | 2,150 |  |  |  | 7,638 |  |  |  | — |
Maintenance expenses on lease building |  |  |  |  |  |  | 2,785 |  |  |  | 160 |  |  |  | 125 |
Training expenses |  |  |  |  |  |  | 3,852 |  |  |  | 1,739 |  |  |  | 1,684 |
Deposit redemption |  |  |  |  |  |  | 314 |  |  |  | 378 |  |  |  | 12 |
Reversal of expenses on litigation |  |  |  |  |  |  | 620 |  |  |  | 991 |  |  |  | 1,920 |
Revenue on royalty fee |  |  |  |  |  |  | — |  |  |  | 173 |  |  |  | 455 |
Reimbursement of insurance fee |  |  |  |  |  |  | 22 |  |  |  | 1 |  |  |  | — |
Gains on guarantee contracts |  |  |  |  |  |  | 134 |  |  |  | 27 |  |  |  | 22 |
Others |  |  |  |  |  |  | 24,041 |  |  |  | 12,313 |  |  |  | 54,098 |
|  |  | ￦ |  |  |  | 45,798 |  |  |  | 30,694 |  |  |  | 59,017 |
Summary of Other Expense |
(3) | Other expenses for the years ended December 31, 2020, 2021 and 2022 are as follows:
|  |  |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Compensation and indemnification expense |  |  | ￦ |  |  |  | 11,959 |  |  |  | 663 |  |  |  | 36 |
Accretion expenses of other provisions |  |  |  |  |  |  | 17,991 |  |  |  | 2,711 |  |  |  | 1,138 |
Depreciation expenses on investment properties |  |  |  |  |  |  | 1,453 |  |  |  | 1,386 |  |  |  | 486 |
Depreciation expenses on idle assets |  |  |  |  |  |  | 6,604 |  |  |  | 3,621 |  |  |  | 3,635 |
Other bad debt expense |  |  |  |  |  |  | 32,503 |  |  |  | 49,372 |  |  |  | 6,400 |
Donations |  |  |  |  |  |  | 316,981 |  |  |  | 152,456 |  |  |  | 131,037 |
Others |  |  |  |  |  |  | 30,229 |  |  |  | 47,723 |  |  |  | 69,418 |
|  |  | ￦ |  |  |  | 417,720 |  |  |  | 257,932 |  |  |  | 212,150 |
Summary of Others of Other Expense |
(4) | Details of “others” included in other expenses for the years ended December 31, 2020, 2021 and 2022 are as follows:
|  |  |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Operating expenses related to the idle assets |  |  | ￦ |  |  |  | 46 |  |  |  | 44 |  |  |  | 1,683 |
Research grants |  |  |  |  |  |  | 91 |  |  |  | 109 |  |  |  | 562 |
Expenses related to farming and fishing village supports |  |  |  |  |  |  | 16,115 |  |  |  | 17,065 |  |  |  | 11,272 |
Expenses related to Operating of a fitness center |  |  |  |  |  |  | 5,101 |  |  |  | 6,948 |  |  |  | 8,370 |
Expenses on adjustment of research and development grants |  |  |  |  |  |  | 720 |  |  |  | 2,241 |  |  |  | 260 |
Taxes and dues |  |  |  |  |  |  | 253 |  |  |  | 119 |  |  |  | 31,985 |
Expenses on R&D supports |  |  |  |  |  |  | 242 |  |  |  | 861 |  |  |  | 48 |
Others |  |  |  |  |  |  | 7,661 |  |  |  | 20,336 |  |  |  | 15,238 |
|  |  | ￦ |  |  |  | 30,229 |  |  |  | 47,723 |  |  |  | 69,418 |

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