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Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures - Consolidated subsidiary companies (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Ownership interest   49.00% 49.00%  
Equity $ 105,913,439 $ 100,252,480 $ 113,903,089 $ 90,583,772
Profit (loss) 18,498,875 25,383,071 $ 35,199,480  
Total assets 298,242,156 280,141,090    
Total liabilities $ 192,328,717 $ 179,888,610    
Refineria de Cartagena S.A.S.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Refining of hydrocarbons, commercialization and distribution of products      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 24,523,635      
Profit (loss) (1,133,742)      
Total assets 36,605,614      
Total liabilities $ 12,081,979      
Cenit Transporte y Logistica S.A.S.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 100.00%      
Activity Storage and transport by pipelines of hydrocarbons      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 16,883,376      
Profit (loss) 5,211,389      
Total assets 19,875,855      
Total liabilities $ 2,992,479      
Ecopetrol Global Energy S.L.U.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Investment Vehicle      
Country/Domicile Spain      
Geographic area of operations Spain      
Equity $ 17,394,898      
Profit (loss) 381,272      
Total assets 17,395,245      
Total liabilities $ 347      
Oleoducto Central S. A. - Ocensa        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 72.65%      
Activity Transportation by crude oil pipelines      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 3,628,322      
Profit (loss) 3,003,613      
Total assets 7,555,797      
Total liabilities $ 3,927,475      
Ocensa Ductos S.A.S.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 72.65%      
Activity Investment Vehicle      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 1,090      
Profit (loss) 27,126      
Total assets 2,123      
Total liabilities $ 1,033      
Hocol Petroleum Limited.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Investment Vehicle      
Country/Domicile Bermuda      
Geographic area of operations Bermuda      
Equity $ 4,058,521      
Profit (loss) 75,873      
Total assets 4,129,198      
Total liabilities $ 70,677      
Ecopetrol America LLC.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile United States      
Geographic area of operations United States      
Equity $ 1,282,916      
Profit (loss) (517,319)      
Total assets 3,221,343      
Total liabilities $ 1,938,427      
Hocol S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile Cayman Islands      
Geographic area of operations Colombia      
Equity $ 3,527,391      
Profit (loss) 123,881      
Total assets 5,277,795      
Total liabilities $ 1,750,404      
Esenttia S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Production and commercialization of polypropylene resin      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 2,786,401      
Profit (loss) 2,684      
Total assets 3,351,597      
Total liabilities $ 565,196      
Ecopetrol Capital AG        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Collection of surpluses from, and providing funds to, companies of Ecopetrol Business Group      
Country/Domicile Switzerland      
Geographic area of operations Switzerland      
Equity $ 3,342,023      
Profit (loss) 70,314      
Total assets 10,424,269      
Total liabilities $ 7,082,246      
Oleoducto de Colombia S.A. - ODC        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 78.19%      
Activity Transportation by crude oil pipelines      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 452,073      
Profit (loss) 379,927      
Total assets 790,822      
Total liabilities $ 338,749      
Black Gold Re Ltd.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Reinsurer for companies of Ecopetrol Business Group      
Country/Domicile Bermuda      
Geographic area of operations Bermuda      
Equity $ 1,412,560      
Profit (loss) 160,839      
Total assets 1,687,390      
Total liabilities $ 274,830      
Andean Chemicals Ltd.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Investment Vehicle      
Country/Domicile Bermuda      
Geographic area of operations Bermuda      
Equity $ 2,069,219      
Profit (loss) (8,618)      
Total assets 2,109,831      
Total liabilities $ 40,612      
Oleoducto de los Llanos Orientales S. A. - ODL        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 65.00%      
Activity Transportation by crude oil pipelines      
Country/Domicile Panama      
Geographic area of operations Colombia      
Equity $ 833,223      
Profit (loss) 626,281      
Total assets 1,392,775      
Total liabilities $ 559,552      
Interconexion Electrica S.A. E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 51.41%      
Activity Public transmission service of electric power, the development of infrastructure projects and their commercial exploitation and the development of information technology systems, activities and services and telecommunications.      
Country/Domicile Colombia      
Geographic area of operations Latin-America      
Equity $ 28,268,006      
Profit (loss) 2,807,941      
Total assets 76,995,347      
Total liabilities $ 48,727,341      
Inversiones de Gases de Colombia S.A. Invercolsa S.A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 51.88%      
Activity Holding with investments in natural gas and LPG transportation and distribution companies in Colombia      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 657,506      
Profit (loss) 292,206      
Total assets 663,063      
Total liabilities $ 5,557      
Alcanos de Colombia S.A. E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 29.61%      
Activity Residential public fuel gas service, construction and operation of gas pipelines, distribution networks, regulation, measurement, and compression stations.      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 328,233      
Profit (loss) 143,017      
Total assets 902,475      
Total liabilities $ 574,242      
Metrogas de Colombia S.A E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 33.49%      
Activity Public service of commercialization and distribution of fuel gas; the exploration, exploitation, storage, use, transportation, refining, purchase, sale and distribution of hydrocarbons and their derivatives.      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 59,813      
Profit (loss) 18,208      
Total assets 168,529      
Total liabilities $ 108,716      
Gases del Oriente S.A. E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 48.50%      
Activity Home public service of distribution of fuel gas and the development of all complementary activities to the supplying of said service.      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 95,123      
Profit (loss) 52,629      
Total assets 305,458      
Total liabilities $ 210,335      
Promotora de Gases del Sur S.A. E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 31.44%      
Activity Promote the linking of national or foreign capital, public or private, to achieve the gas massification project.      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 56,128      
Profit (loss) 42,502      
Total assets 86,215      
Total liabilities $ 30,087      
Combustibles Lquidos de Colombia S.A E.S.P.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 41.61%      
Activity Wholesale marketing of fuel gas, the supplying of the residential public service of LPG distribution and the development of complementary activities to supply the service.      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 60,706      
Profit (loss) 396      
Total assets 80,612      
Total liabilities $ 19,906      
Ecopetrol USA Inc.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile United States      
Geographic area of operations United States      
Equity $ 15,570,625      
Profit (loss) 737,381      
Total assets 15,588,736      
Total liabilities $ 18,111      
Ecopetrol Permian LLC.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile United States      
Geographic area of operations United States      
Equity $ 11,514,549      
Profit (loss) 726,650      
Total assets 15,493,572      
Total liabilities $ 3,979,023      
Ecopetrol Oleo e Gas do Brasil Ltda.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Real      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile Brazil      
Geographic area of operations Brazil      
Equity $ 1,713,380      
Profit (loss) (349,526)      
Total assets 1,750,489      
Total liabilities $ 37,109      
Esenttia Masterbatch Ltda.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 100.00%      
Activity Manufacture of polypropylene compounds and masterbatches      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 403,884      
Profit (loss) 249,222      
Total assets 540,388      
Total liabilities $ 136,504      
Ecopetrol del Peru S. A.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Exploration and exploitation of hydrocarbons      
Country/Domicile Peru      
Geographic area of operations Peru      
Equity $ 68,292      
Profit (loss) 1,687      
Total assets 70,972      
Total liabilities $ 2,680      
ECP Hidrocarburos de Mexico S.A. de C.V.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Offshore exploration      
Country/Domicile Mexico      
Geographic area of operations Mexico      
Equity $ 42,665      
Profit (loss) (6,853)      
Total assets 45,541      
Total liabilities $ 2,876      
Ecopetrol Costa Afuera S.A.S.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Colombian Peso      
Ownership interest 100.00%      
Activity Offshore exploration      
Country/Domicile Colombia      
Geographic area of operations Colombia      
Equity $ 13,671      
Profit (loss) 277      
Total assets 13,865      
Total liabilities $ 194      
Esenttia Resinas del Peru SAC        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Commercialization polypropylene resins and masterbatches      
Country/Domicile Peru      
Geographic area of operations Peru      
Equity $ 16,016      
Profit (loss) (710)      
Total assets 32,130      
Total liabilities $ 16,114      
Esenttia Resinas de Mxico        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Mexican Peso      
Ownership interest 100.00%      
Activity Commercialization polypropylene resins and masterbatches      
Country/Domicile Mexico      
Geographic area of operations Mexico      
Equity $ (268)      
Profit (loss) (829)      
Total assets 5,825      
Total liabilities $ 6,093      
Kalixpan Servicios Tecnicos S de RL de CV.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Mexican Peso      
Ownership interest 100.00%      
Activity Specialized services related to oil and gas industry      
Country/Domicile Mexico      
Geographic area of operations Mexico      
Equity $ 3      
Profit (loss) (82)      
Total assets 4      
Total liabilities $ 1      
Ecopetrol US Trading LLC        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity International trading of crude oil and refined products      
Country/Domicile United States      
Geographic area of operations United States      
Equity $ 518,000      
Profit (loss) 418,165      
Total assets 2,619,702      
Total liabilities $ 2,101,702      
Econova Technology & innovation S.L.        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency US Dollar      
Ownership interest 100.00%      
Activity Execution of activities related to science, technology, and innovation (ST+i)      
Country/Domicile Spain      
Geographic area of operations Spain      
Equity $ 2,083      
Profit (loss) (1,915)      
Total assets 3,739      
Total liabilities $ 1,656      
Ecopetrol Singapore PTE. LTD        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Singapore dollar      
Ownership interest 100.00%      
Activity Holding company with investment in an international trading company for crude oil and refined products      
Country/Domicile Singapore      
Geographic area of operations Asia      
Equity $ 787,363      
Profit (loss) 489,395      
Total assets 787,536      
Total liabilities $ 173      
Ecopetrol Trading Asia PTE. LTD        
Exhibit 1 - Consolidated subsidiaries, associates, and joint ventures        
Functional currency Singapore dollar      
Ownership interest 100.00%      
Activity International trading of crude oil and refined products      
Country/Domicile Singapore      
Geographic area of operations Asia      
Equity $ 786,909      
Profit (loss) 489,565      
Total assets 2,850,765      
Total liabilities $ 2,063,856