v3.26.1
CONCESSION ARRANGEMENTS RIGHTS - Financial assets in concession arrangements - Additional information (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Service concession arrangement [member]      
Disclosure of detailed information about service concession arrangements [line items]      
Collections during the year $ (2,103,193) $ (971,634) $ (1,144,396)
Infrastructure concession arrangement [member] | Financial assets at amortised cost, category      
Disclosure of detailed information about service concession arrangements [line items]      
Collections during the year (1,947,215) (897,403) $ (1,144,396)
Infrastructure concession arrangement [member] | Concesionaria Panamericana S.A.S. | Financial assets at amortised cost, category      
Disclosure of detailed information about service concession arrangements [line items]      
Collections during the year   (27,795)  
Infrastructure concession arrangement [member] | Restricted Investment Funds Related To Concesionaria Vial Del Oriente [Member] | Financial assets at amortised cost, category      
Disclosure of detailed information about service concession arrangements [line items]      
Collections during the year (547,452) (848,947)  
Infrastructure concession arrangement [member] | Restricted Investment Funds Related To Concesionaria Vial Dl Pacifico [Member] | Financial assets at amortised cost, category      
Disclosure of detailed information about service concession arrangements [line items]      
Collections during the year $ (1,399,763) $ (20,661)