SUBSEQUENT EVENTS - General meeting of shareholders (Details) - COP ($) $ / shares in Units, $ in Millions |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Mar. 27, 2026 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Disclosure of non-adjusting events after reporting period [abstract] | ||||||||
| Net income for the period | $ 1,735,360 | $ 999,886 | $ 723,038 | $ 2,541,179 | ||||
| Occasional reserve release at the disposal of the General Meeting of Shareholders | 7,711,039 | |||||||
| Total Income available for disposal of the General Meeting of Shareholders | $ 9,446,399 | |||||||
| Declared dividends information | To distribute a cash profit of Ps. 2.65 per share per month during the months of April 2026 to March 2027, both months included over 23,743,475,754 shares subscribed and paid as of the date of this meeting. | |||||||
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share, per installment | $ 2.65 | |||||||
| Total dividends declared | $ 755,043 | $ 655,320 | $ 569,843 | $ 1,025,718 | ||||
| Total shares outstanding | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 | 23,743,475,754 |
| To Occasional reserve at the disposal of General Meeting of Shareholders | $ 8,691,356 | |||||||