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Liability under insurance contracts and reinsurance contracts - Summary of fair value amounts of basic items of insurance contracts (Parenthetical) (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Disclosure Of Composition Details And Fair Value Amount Of Basic Items Of Insurance Contract With Direct Participants [Abstract] |  |
Fair value of financial asset liabilities insurance | ₩ 6,338,236 | ₩ 5,498,129

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- Definition Fair value of financial asset liabilities insurance. + References No definition available. + Details
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