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FINANCIAL OBLIGATIONS - Interbank borrowings, overnight funds - Additional information (Details) - COP ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Disclosure of deposits from financial obligations [abstract]    
Simultaneous and repo operations $ 5,648,747 $ 9,158,585
Guaranteed with Investments $ 17,040,358 $ 16,874,942