Dividend income - Details of dividends related to financial assets at FVTOCI (Details) - Financial assets at fair value through other comprehensive income, category [member] - KRW (₩) ₩ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] | |||
| Dividend income recognized from assets held equity securities | ₩ 29,444 | ₩ 19,198 | ₩ 17,936 |
| Trading equity securities [member] | |||
| Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] | |||
| Dividend income recognized from assets held equity securities | 28,877 | ₩ 19,198 | ₩ 17,936 |
| Other equity securities [member] | |||
| Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] | |||
| Dividend income recognized from assets held equity securities | ₩ 567 | ||