v3.26.1
RISK MANAGEMENT - Liquidity risk - Liquid assets and LRI (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Banco de Bogota S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets $ 16,766,645 $ 13,469,768
Banco de Occidente S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 11,509,695 9,284,616
Banco Popular S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 5,572,720 4,030,595
Banco Comercial AV Villas S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 3,058,631 2,145,763
Corporacion Financiera Colombiana S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 2,567,533 1,908,014
Later than one day and not later than seven days [member] | Banco de Bogota S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 14,103,526 10,953,748
Later than one day and not later than seven days [member] | Banco de Occidente S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 7,654,716 6,461,637
Later than one day and not later than seven days [member] | Banco Popular S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 4,994,515 3,580,936
Later than one day and not later than seven days [member] | Banco Comercial AV Villas S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 2,656,389 1,665,301
Later than one day and not later than seven days [member] | Corporacion Financiera Colombiana S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 1,608,683 902,572
Not later than one month [member] | Banco de Bogota S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 5,290,233 2,928,936
Not later than one month [member] | Banco de Occidente S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 4,681,592 2,946,224
Not later than one month [member] | Banco Popular S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 1,573,415 893,612
Not later than one month [member] | Banco Comercial AV Villas S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 1,314,672 687,963
Not later than one month [member] | Corporacion Financiera Colombiana S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets 809,740 560,871
Later than one month and not later than three months [member] | Banco de Bogota S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets (liabilities) (17,219,591) (16,891,633)
Later than one month and not later than three months [member] | Banco de Occidente S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets (liabilities) (10,698,827) (11,199,262)
Later than one month and not later than three months [member] | Banco Popular S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets (liabilities) (6,216,132) (5,667,658)
Later than one month and not later than three months [member] | Banco Comercial AV Villas S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets (liabilities) (3,211,668) (2,909,334)
Later than one month and not later than three months [member] | Corporacion Financiera Colombiana S.A.    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Liquid assets (liabilities) $ (472,992) $ (649,409)