NON-CURRENT ASSETS HELD FOR SALE - Assets and liabilities classified as held for sale - Impairment estimate recognized in balance sheet accounts (Details) - COP ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of noncurrent assets held-for-sale [line items] | |||
| Impairment to recognize | $ 3,538,900 | $ 4,046,323 | $ 4,029,479 |
| Goodwill | 5,880 | ||
| Discontinued operations [member] | |||
| Disclosure of noncurrent assets held-for-sale [line items] | |||
| Net carrying amount of assets recognized as noncurrent assets held for sale | 1,884,238 | ||
| Fair value less costs to sell of assets recognized as noncurrent assets held for sale | 1,740,254 | ||
| Impairment to recognize | 154,505 | $ 138,714 | $ 152,915 |
| Non-current assets held for sale [member] | Discontinued operations [member] | |||
| Disclosure of noncurrent assets held-for-sale [line items] | |||
| Impairment to recognize | 143,984 | ||
| Goodwill | 136,858 | ||
| Intangibles | $ 7,126 | ||