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Subsequent and relevant events - Additional Information (Details)
R$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Feb. 15, 2024
BRL (R$)
Feb. 08, 2024
BRL (R$)
R$ / shares
shares
Feb. 29, 2024
Dec. 31, 2023
COP ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
COP ($)
Dec. 31, 2021
COP ($)
Disclosure of non-adjusting events after reporting period [line items]              
Exploration costs | $ [1]       $ 2,088,922   $ 1,512,385 $ 960,247
Abandonment of Pozo Milonga - Hocol S.A.              
Disclosure of non-adjusting events after reporting period [line items]              
Exploration for evaluation of mineral resources and percentage of work       72.00% 72.00%    
Exploration costs | $         $ 17,000,000    
Issuance of debentures | 15th issuance of simple, non-convertible debentures              
Disclosure of non-adjusting events after reporting period [line items]              
Number of debentures issuable   1,195,000          
Debentures face value | R$ / shares   R$ 1          
Total fair value of issuance of debentures | R$   R$ 1,195,000          
Settlement of debentures | R$ R$ 444,634            
Issuance of debentures | Debentures first series obligations              
Disclosure of non-adjusting events after reporting period [line items]              
Number of debentures issuable   685,000          
Issuance of debentures | Bottom of range | Debentures second series obligations              
Disclosure of non-adjusting events after reporting period [line items]              
Number of debentures issuable   (400,000)          
Issuance of debentures | Bottom of range | Debentures third series obligations              
Disclosure of non-adjusting events after reporting period [line items]              
Number of debentures issuable   110,000          
Hocol S.A. | Abandonment of Pozo Milonga - Hocol S.A. | Predices Joint Venture contract              
Disclosure of non-adjusting events after reporting period [line items]              
Ownership interest Ecopetrol, joint venture     100.00%        
[1] Exploration expenses include the costs of geological and geophysical activities, as well as the non–productive exploratory wells.