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RISK MANAGEMENT - Credit quality of financial assets (excluding loan portfolio) - Derivative instruments - Assets (Details) - COP ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial assets [line items]    
Financial assets $ 304,853,883 $ 280,746,878
Derivatives [member]    
Disclosure of financial assets [line items]    
Financial assets 1,023,313 2,126,229
Derivatives [member] | Investment grade [member]    
Disclosure of financial assets [line items]    
Financial assets 622,273 1,398,093
Derivatives [member] | Speculative grade [member]    
Disclosure of financial assets [line items]    
Financial assets 774 22,274
Derivatives [member] | Without grade or not available [member]    
Disclosure of financial assets [line items]    
Financial assets $ 400,266 $ 705,862