v3.26.1
RISK MANAGEMENT - Structural foreign exchange risk - Net financial asset (liability) position (Details)
$ in Millions, $ in Millions
Dec. 31, 2025
COP ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
COP ($)
Dec. 31, 2024
USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]        
Financial assets $ 305,457,293   $ 304,853,883  
Financial liabilities 278,063,105   274,729,544  
Currency risk [member]        
Disclosure of nature and extent of risks arising from financial instruments [line items]        
Financial assets 35,624,391 $ 9,403 59,750,750 $ 13,661
Financial liabilities 44,887,422 11,934 68,785,886 15,748
Net financial asset (liability) position $ (9,263,031) (2,531) $ (9,035,136) (2,087)
Other Currency [Member] | Currency risk [member]        
Disclosure of nature and extent of risks arising from financial instruments [line items]        
Financial assets   118   74
Financial liabilities   14   43
Net financial asset (liability) position   $ 104   $ 31