v3.26.1
INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - Financial information of joint ventures (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of joint ventures [line items]        
Assets $ 348,936,677 $ 327,859,383    
Liabilities 314,193,836 294,696,465    
Equity 34,742,841 33,162,918 $ 31,520,416 $ 30,821,659
Income 44,541,146 44,896,936 46,064,364  
Expenses 41,352,620 42,731,123 43,950,256  
Net income for the year 3,215,172 2,191,477 $ 2,177,116  
Renting Automayor S.A.        
Disclosure of joint ventures [line items]        
Assets   102,899    
Liabilities   101,008    
Equity   1,891    
Income   29,928    
Expenses   32,121    
Net income for the year   (2,193)    
Rentek S.A.S        
Disclosure of joint ventures [line items]        
Assets 26,525 29,131    
Liabilities 23,158 28,202    
Equity 3,367 929    
Income 16,119 15,453    
Expenses 13,682 14,524    
Net income for the year $ 2,437 $ 929