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Financial risk management - Interest rate risk management from non-trading positions (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Shinhan Bank |  |  |
Interest rate risk management from non-trading positions [Line Items] |  |  |
delta EVE | [1] | ₩ 1,399,226 | ₩ 1,508,514
delta NII | [2] | 255,874 | 406,207
Shinhan Card Co., Ltd. |  |  |
Interest rate risk management from non-trading positions [Line Items] |  |  |
delta EVE | [1] | 824,951 | 990,898
delta NII | [2] | 587,147 | 600,681
Shinhan Securities Co., Ltd. |  |  |
Interest rate risk management from non-trading positions [Line Items] |  |  |
delta EVE | [1] | 202,411 | 252,625
delta NII | [2] | 280,082 | 418,741
Shinhan Life Insurance Co., Ltd. |  |  |
Interest rate risk management from non-trading positions [Line Items] |  |  |
delta EVE | [1] | 2,847,851 | 3,848,473
delta NII | [2] | ₩ 30,124 | ₩ 44,525
[1] | ΔEVE is the change in economic value of equity capital that can arise from changes in interest rates that affect the present value of assets, liabilities and off-balance sheet items by using the Basel III standard based IRRBB method.
[2] | ΔNII is the change in net interest income that can occur over the next year due to changes in interest rates by using the Basel III standard based IRRBB method.

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