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Insurance finance income and expense (Tables) | 12 Months Ended
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Dec. 31, 2025
Disclosure Of Finance Income Expense [Abstract] |
Summary of insurance finance income and expense | Details of insurance finance income and expense for the years ended December 31, 2023, 2024 and 2025 are as follows:
|  |  |  |  |  | 2023 |
|  |  |  |  |  | Life insurance |  |  | Non-life insurance |  |  | Total |
|  |  |  |  |  | General |  |  | Variable |  |  | Retirement |  |  | Long-term |  |  | General |  |  | Automobile |
Insurance finance income |  | Insurance contracts |  | Effect of foreign exchange rate changes |  | W | 13,656 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,656 |
|  |  |  | Other |  |  | 38,384 |  |  |  | 91,062 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 129,446 |
|  |  |  |  |  |  | 52,040 |  |  |  | 91,062 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 143,102 |
|  | Reinsurance contracts |  | Other |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (38 | ) |  |  | — |  |  |  | (38 | )
|  |  |  |  |  |  | 52,040 |  |  |  | 91,062 |  |  |  | — |  |  |  | — |  |  |  | (38 | ) |  |  | — |  |  |  | 143,064 |
Insurance finance expenses |  | Insurance contracts |  | Effect of foreign exchange rate changes |  |  | 19,345 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 19,345 |
|  |  |  | Other |  |  | 935 |  |  |  | 638,881 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 639,816 |
|  |  |  |  |  |  | 20,280 |  |  |  | 638,881 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 659,161 |
Total insurance finance income and expenses recognized in profit or loss |  |  | 31,760 |  |  |  | (547,819 | ) |  |  | — |  |  |  | — |  |  |  | (38 | ) |  |  | — |  |  |  | (516,097 | )
Insurance finance income and expenses recognized in other comprehensive income (*) |  |  | (2,970,845 | ) |  |  | 9,841 |  |  |  | — |  |  |  | (15 | ) |  |  | — |  |  |  | — |  |  |  | (2,961,019 | )
Reinsurance finance income and expenses recognized in other comprehensive income (*) |  |  | (28,276 | ) |  |  | — |  |  |  | — |  |  |  | (7 | ) |  |  | — |  |  |  | — |  |  |  | (28,283 | )
Total insurance finance income and expenses recognized in profit or loss and other comprehensive income |  | W | (2,967,361 | ) |  |  | (537,978 | ) |  |  | — |  |  |  | (22 | ) |  |  | (38 | ) |  |  | — |  |  |  | (3,505,399 | )
|  |  |  |  |  | 2024 |
|  |  |  |  |  | Life insurance |  |  | Non-life insurance |  |  | Total |
|  |  |  |  |  | General |  |  | Variable |  |  | Retirement |  |  | Long-term |  |  | General |  |  | Automobile |
Insurance finance income |  | Insurance contracts |  | Effect of foreign exchange rate changes |  | W | 13,896 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,896 |
|  |  |  | Other |  |  | 21,762 |  |  |  | 166,710 |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | 188,474 |
|  |  |  |  |  |  | 35,658 |  |  |  | 166,710 |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | 202,370 |
|  | Reinsurance contracts |  | Other |  |  | 40 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (47 | ) |  |  | — |  |  |  | (7 | )
|  |  |  |  |  |  | 35,698 |  |  |  | 166,710 |  |  |  | — |  |  |  | — |  |  |  | (45 | ) |  |  | — |  |  |  | 202,363 |
Insurance finance expenses |  | Insurance contracts |  | Effect of foreign exchange rate changes |  |  | 48,410 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 48,410 |
|  |  |  | Other |  |  | 1,176 |  |  |  | 252,216 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 253,392 |
|  |  |  |  |  |  | 49,586 |  |  |  | 252,216 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 301,802 |
Total insurance finance income and expenses recognized in profit or loss |  |  | (13,888 | ) |  |  | (85,506 | ) |  |  | — |  |  |  | — |  |  |  | (45 | ) |  |  | — |  |  |  | (99,439 | )
Insurance finance income and expenses recognized in other comprehensive income (*) |  |  | (3,124,198 | ) |  |  | (47,215 | ) |  |  | — |  |  |  | (47 | ) |  |  | (26 | ) |  |  | — |  |  |  | (3,171,486 | )
Reinsurance finance income and expenses recognized in other comprehensive income (*) |  |  | (2,098 | ) |  |  | — |  |  |  | — |  |  |  | 7 |  |  |  | 18 |  |  |  | — |  |  |  | (2,073 | )
Total insurance finance income and expenses recognized in profit or loss and other comprehensive income |  | W | (3,140,184 | ) |  |  | (132,721 | ) |  |  | — |  |  |  | (40 | ) |  |  | (53 | ) |  |  | — |  |  |  | (3,272,998 | )
|  |  |  |  |  | 2025 |
|  |  |  |  |  | Life insurance |  |  | Non-life insurance |  |  | Total |
|  |  |  |  |  | General |  |  | Variable |  |  | Retirement |  |  | Long-term |  |  | General |  |  | Automobile |
Insurance finance income |  | Insurance contracts |  | Effect of foreign exchange rate changes |  | W | 20,253 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 20,253 |
|  |  |  | Other |  |  | 5,483 |  |  |  | 18,122 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 23,605 |
|  |  |  |  |  |  | 25,736 |  |  |  | 18,122 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 43,858 |
|  | Reinsurance contracts |  | Other |  |  | 229 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 229 |
|  |  |  |  |  |  | 25,965 |  |  |  | 18,122 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 44,087 |
Insurance finance expenses |  | Insurance contracts |  | Effect of foreign exchange rate changes |  |  | 15,824 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 15,824 |
|  |  |  | Other |  |  | 220 |  |  |  | 1,219,210 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,219,430 |
|  |  |  |  |  |  | 16,044 |  |  |  | 1,219,210 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,235,254 |
|  | Reinsurance contracts |  | Other |  |  | 17 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | — |  |  |  | 28 |
|  |  |  |  |  |  | 16,061 |  |  |  | 1,219,210 |  |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | — |  |  |  | 1,235,282 |
Total insurance finance income and expenses recognized in profit or loss |  |  | 9,904 |  |  |  | (1,201,088 | ) |  |  | — |  |  |  | — |  |  |  | (11 | ) |  |  | — |  |  |  | (1,191,195 | )
Insurance finance income and expenses recognized in other comprehensive income (*) |  |  | 1,791,470 |  |  |  | (42,982 | ) |  |  | — |  |  |  | 107 |  |  |  | 32 |  |  |  | — |  |  |  | 1,748,627 |
Reinsurance finance income and expenses recognized in other comprehensive income (*) |  |  | (211,718 | ) |  |  | — |  |  |  | — |  |  |  | 8 |  |  |  | (23 | ) |  |  | — |  |  |  | (211,733 | )
Total insurance finance income and expenses recognized in profit or loss and other comprehensive income |  | W | 1,589,656 |  |  |  | (1,244,070 | ) |  |  | — |  |  |  | 115 |  |  |  | (2 | ) |  |  | — |  |  |  | 345,699 |
(*) | Finance income and expense recognized as other comprehensive income are before deducting corporate tax effects.

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- Definition The disclosure of the reconciliation of changes in insurance contracts by components, ie the estimates of the present value of the future cash flows, the risk adjustment for non-financial risk and the contractual service margin. [Refer: Insurance contracts [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2025-01-01 -Paragraph 101 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_101&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Null. + References No definition available. + Details
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