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Other Income and Expense (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of other operating income (expense) [Abstract] |
Other Income |
Other income for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Reversal of other provisions |  |  | ￦ |  |  |  | 35,265 |  |  |  | 12,700 |  |  |  | 16,542 |
Reversal of other allowance for doubtful accounts |  |  |  |  |  |  | 2,166 |  |  |  | 143 |  |  |  | — |
Gains on government grants |  |  |  |  |  |  | 430 |  |  |  | 482 |  |  |  | 281 |
Gains on assets contributed |  |  |  |  |  |  | 4,218 |  |  |  | 17,336 |  |  |  | 6,921 |
Gains on liabilities exempted |  |  |  |  |  |  | 3,166 |  |  |  | 10,303 |  |  |  | 916 |
Compensation and reparations revenue |  |  |  |  |  |  | 89,196 |  |  |  | 89,901 |  |  |  | 113,292 |
Revenue from research contracts |  |  |  |  |  |  | 12,580 |  |  |  | 6,818 |  |  |  | 5,276 |
Income related to transfer of assets from customers |  |  |  |  |  |  | 478,973 |  |  |  | 594,548 |  |  |  | 604,808 |
Rental income |  |  |  |  |  |  | 192,136 |  |  |  | 186,631 |  |  |  | 191,088 |
Others |  |  |  |  |  |  | 50,988 |  |  |  | 51,032 |  |  |  | 58,849 |
|  |  | ￦ |  |  |  | 869,118 |  |  |  | 969,894 |  |  |  | 997,973 |
Details of others of other income |
Details of “others” included in other income for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Refund of claim for rectification |  |  | ￦ |  |  |  | 9,655 |  |  |  | 8,933 |  |  |  | 1,969 |
Adjustment of research project |  |  |  |  |  |  | 3,884 |  |  |  | 2,267 |  |  |  | 3,294 |
Maintenance expenses on lease building |  |  |  |  |  |  | 135 |  |  |  | 176 |  |  |  | 153 |
Training expenses |  |  |  |  |  |  | 3,045 |  |  |  | 3,220 |  |  |  | 3,167 |
Deposit redemption |  |  |  |  |  |  | 34 |  |  |  | 7 |  |  |  | 436 |
Reversal of expenses on litigation |  |  |  |  |  |  | 360 |  |  |  | 753 |  |  |  | 9,926 |
Revenue on royalty fee |  |  |  |  |  |  | 2,888 |  |  |  | 6,909 |  |  |  | — |
Reimbursement of insurance fee |  |  |  |  |  |  | 1,498 |  |  |  | 7,145 |  |  |  | 610 |
Gains on guarantee contracts |  |  |  |  |  |  | 456 |  |  |  | 39 |  |  |  | 135 |
Others |  |  |  |  |  |  | 29,033 |  |  |  | 21,583 |  |  |  | 39,159 |
|  |  | ￦ |  |  |  | 50,988 |  |  |  | 51,032 |  |  |  | 58,849 |
Other Expense |
Other expenses for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Compensation and indemnification expense |  |  | ￦ |  |  |  | 37 |  |  |  | 23,437 |  |  |  | 403 |
Accretion expenses of other provisions |  |  |  |  |  |  | 7,535 |  |  |  | 41,924 |  |  |  | 7,939 |
Depreciation expenses on investment properties |  |  |  |  |  |  | 1,176 |  |  |  | 923 |  |  |  | 5,069 |
Depreciation expenses on idle assets |  |  |  |  |  |  | 6,644 |  |  |  | 6,547 |  |  |  | 6,542 |
Other bad debt expense |  |  |  |  |  |  | 1,778 |  |  |  | 17,827 |  |  |  | 29,348 |
Donations |  |  |  |  |  |  | 119,421 |  |  |  | 63,743 |  |  |  | 64,752 |
Others |  |  |  |  |  |  | 43,464 |  |  |  | 76,929 |  |  |  | 127,860 |
|  |  | ￦ |  |  |  | 180,055 |  |  |  | 231,330 |  |  |  | 241,913 |
Details of others of other expense |
Details of “others” included in other expenses for the years ended December 31, 2017, 2018 and 2019 are as follows:
|  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Operating expenses related to the idle assets |  |  | ￦ |  |  |  | 136 |  |  |  | 47 |  |  |  | 49 |
Research grants |  |  |  |  |  |  | 1,180 |  |  |  | 461 |  |  |  | 399 |
Supporting expenses on farming and fishing village |  |  |  |  |  |  | 11,956 |  |  |  | 13,537 |  |  |  | 13,991 |
Operating expenses on fitness center |  |  |  |  |  |  | 3,498 |  |  |  | 4,788 |  |  |  | 5,234 |
Expenses on adjustment of research and development grants |  |  |  |  |  |  | 806 |  |  |  | 404 |  |  |  | 554 |
Taxes and dues |  |  |  |  |  |  | 2,270 |  |  |  | 199 |  |  |  | 188 |
Expenses on R&D supporting |  |  |  |  |  |  | 5,459 |  |  |  | 53 |  |  |  | 67 |
Others |  |  |  |  |  |  | 18,159 |  |  |  | 57,440 |  |  |  | 107,378 |
|  |  | ￦ |  |  |  | 43,464 |  |  |  | 76,929 |  |  |  | 127,860 |

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