INVESTMENT SECURITIES - Equity instruments through OCI - Dividend income (Details) - COP ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of investment securities [abstract] | |||
| Dividend income | $ 126,700 | $ 141,867 | $ 119,988 |