v3.26.1
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures - Associates and Joint ventures (Details) - COP ($)
$ in Billions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Net equity $ 106,739 $ 105,913 $ 100,253 $ 113,904
Profit (loss) 14,444 18,499 $ 25,383  
Total assets 282,220 298,241    
Total liabilities $ 175,481 $ 192,328    
Serviport S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest, associate 28.00%      
Activity, associate Services for the support of loading and unloading of oil ships, supply of equipment, technical inspections, and load measurements      
Country/Domicile, associate Colombia      
Geographic area of operations, associate Colombia      
Net equity $ 17      
Total assets 33      
Total liabilities $ 16      
Sociedad Portuaria Olefinas y Derivados S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest, associate 50.00%      
Activity, associate Construction, use, maintenance and administration of port facilities, ports, private docks.      
Country/Domicile, associate Colombia      
Geographic area of operations, associate Colombia      
Net equity $ 6      
Profit (loss) (1)      
Total assets 7      
Total liabilities $ 1      
Equion Energia Limited        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest, joint venture 51.00%      
Activity, joint venture Exploration and exploitation of hydrocarbons      
Country/Domicile, joint venture United Kingdom      
Geographic area of operations, joint venture Colombia      
Net equity $ 1,389      
Profit (loss) 33      
Total assets 1,453      
Total liabilities $ 64      
Ecodiesel Colombia S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest, joint venture 50.00%      
Activity, joint venture Production, trading, and distribution of biofuels and oleochemicals      
Country/Domicile, joint venture Colombia      
Geographic area of operations, joint venture Colombia      
Net equity $ 167      
Profit (loss) (58)      
Total assets 283      
Total liabilities $ 117