NET TRADING INCOME (LOSS) (Details) - COP ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of net trading income [line items] | |||
| Net income (loss) on derivatives | $ (257,762) | $ 415,640 | $ (2,581,265) |
| Total net trading income (loss) | 1,402,013 | 1,401,734 | (919,165) |
| Financial derivatives | |||
| Disclosure of net trading income [line items] | |||
| Net income (loss) on derivatives | (35,075) | 652,933 | (2,438,839) |
| Marketable derivatives | |||
| Disclosure of net trading income [line items] | |||
| Net income (loss) on derivatives | (222,687) | (237,293) | (142,426) |
| Trading securities [member] | |||
| Disclosure of net trading income [line items] | |||
| Fixed income (loss) securities | 979,558 | 408,849 | 1,029,018 |
| Equities | 680,217 | 577,245 | 633,082 |
| Total net trading income (loss) | $ 1,659,775 | $ 986,094 | $ 1,662,100 |