HEDGE ACCOUNTING - Accumulated OCI (Details) - COP ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of detailed information about hedging instruments [line items] | |||
| Balance at the beginning of the year | $ (243,983) | ||
| Changes in the fair value bonds | 258,686 | $ 290,829 | $ 145,737 |
| Balance at the end of the year | (322,153) | (243,983) | |
| Cash flow hedges [member] | |||
| Disclosure of detailed information about hedging instruments [line items] | |||
| Balance at the beginning of the year | 24,700 | (30,381) | 5,542 |
| Changes in the fair value FwD - Future transactions | 6,635 | 6,365 | (26,203) |
| Changes in the fair value FwD - financial obligations | 74,420 | 43,724 | (32,672) |
| Changes in the fair value Interest Rate Swaps (IRS) | 104,220 | 7,752 | |
| Changes in the fair value bonds | 211,534 | (184,902) | 270,064 |
| Changes in the fair value other accounts receivable | (211,534) | 184,902 | (258,982) |
| Reclassified to profit or loss | (8,273) | (2,760) | 11,870 |
| Balance at the end of the year | $ 201,702 | $ 24,700 | $ (30,381) |