v3.26.1
RISK MANAGEMENT - Liquidity risk - Percentage of IRL ratio (Details)
Dec. 31, 2025
Dec. 31, 2024
Banco de Bogota S.A. | Later than one day and not later than seven days [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 630.00% 535.00%
Banco de Bogota S.A. | Not later than one month [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 146.00% 128.00%
Banco de Occidente S.A. | Later than one day and not later than seven days [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 262.00% 289.00%
Banco de Occidente S.A. | Not later than one month [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 152.00% 131.00%
Banco Popular S.A. | Later than one day and not later than seven days [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 964.00% 896.00%
Banco Popular S.A. | Not later than one month [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 139.00% 129.00%
Banco Comercial AV Villas S.A. | Later than one day and not later than seven days [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 760.00% 447.00%
Banco Comercial AV Villas S.A. | Not later than one month [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 175.00% 147.00%
Corporacion Financiera Colombiana S.A. | Later than one day and not later than seven days [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 268.00% 190.00%
Corporacion Financiera Colombiana S.A. | Not later than one month [member]    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
IRL Ratio (as a percent) 146.00% 142.00%