v3.26.1
INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - Ownership interest and book value (Details) - COP ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of joint ventures [line items]    
Book value $ 1,683 $ 1,410
Rentek S.A.S    
Disclosure of joint ventures [line items]    
Ownership interest 50.00% 50.00%
Book value $ 1,683 $ 465
Renting Automayor S.A.S.    
Disclosure of joint ventures [line items]    
Ownership interest   50.00%
Book value   $ 945