v3.26.1
FINANCIAL OBLIGATIONS - Borrowings from banks and others - Tabular disclosure (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about borrowings [line items]    
Borrowings from banks and others, development entities $ 4,067,476 $ 4,037,301
Total borrowings from banks and others 24,559,175 28,098,159
Colombia, Pesos    
Disclosure of detailed information about borrowings [line items]    
Borrowings 4,016,302 3,619,457
Leases contracts 2,037,039 1,794,416
Other financial obligations 6,118 9,762
Total borrowings from banks and others 9,979,864 9,454,603
Colombia, Pesos | Financiera de Desarrollo Territorial "FINDETER"    
Disclosure of detailed information about borrowings [line items]    
Borrowings from banks and others, development entities 2,526,376 2,518,426
Colombia, Pesos | Fondo para el Financiamiento del Sector Agropecuario - "FINAGRO"    
Disclosure of detailed information about borrowings [line items]    
Borrowings from banks and others, development entities 1,096,171 984,179
Colombia, Pesos | Banco de Comercio Exterior - "BANCOLDEX"    
Disclosure of detailed information about borrowings [line items]    
Borrowings from banks and others, development entities 297,858 528,363
Foreign currency    
Disclosure of detailed information about borrowings [line items]    
Borrowings 9,069,212 14,014,948
Leases contracts 793,405 1,071,851
Andean Development Corporation (Corporacion Andina de Fomento) 307,014 532,140
Letters of Credit 2,470,163 1,566,346
Bankers Acceptances 1,792,446 1,451,938
Total borrowings from banks and others 14,579,311 18,643,556
Foreign currency | Banco de Comercio Exterior - "BANCOLDEX"    
Disclosure of detailed information about borrowings [line items]    
Borrowings from banks and others, development entities $ 147,071 $ 6,333