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Treasury Shares (Tables) | 12 Months Ended
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Dec. 31, 2025
TextBlock 1 [Abstract] |
Changes in Treasury Shares |
(shares, in millions of Won) |  | 2024 |  |  | 2025 |
|  | Number of shares |  |  | Amount |  |  | Number of shares |  |  | Amount |
Beginning |  |  | 8,695,023 |  |  | ￦ | 1,889,658 |  |  |  | 7,003,598 |  |  | ￦ | 1,550,862 |
Acquisition of treasury shares |  |  | 255,428 |  |  |  | 92,311 |  |  |  | — |  |  |  | — |
Retirement of treasury shares |  |  | (1,946,853 | ) |  |  | (431,107 | ) |  |  | (1,691,425 | ) |  |  | (374,546 | )
Ending |  |  | 7,003,598 |  |  | ￦ | 1,550,862 |  |  |  | 5,312,173 |  |  | ￦ | 1,176,316 |

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- Definition The disclosure of changes in treasury shares. + References No definition available. + Details
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- Definition TextBlock 1. + References No definition available. + Details
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