v3.26.1
Impairment of long-term assets - Additional information (Details)
$ in Billions
 12 Months Ended
Dec. 31, 2025
COP ($)
Dec. 31, 2024
COP ($)
MBbls
Dec. 31, 2023
COP ($)
Impairment of long-term assets      
Information about prices based on information provided by specialized market analysts and management analysts Oil price – Brent: Projections for Ecopetrol S.A. and Hocol S.A. include USD$57.91/barrel for the first year, USD$69.73/barrel average for the medium term, and USD$73.31/barrel as of 2035. In 2024, the assumptions made took a price of USD$69.81/barrel for the first year, USD$71.14/barrel average for the medium term, and USD$73.23/barrel as of 2035. For Ecopetrol América Inc. the prices used were USD$53.43/barrel average for the short term and USD$66.06/barrel average for the long term.  
Closing balance exchange rate 3,757.08 4,409.15  
Refinery CGU      
Impairment of long-term assets      
Impairment (loss) recovery   $ 1,271  
U-111 Expansion Project      
Impairment of long-term assets      
Refinery processing capacity | MBbls   50  
Impairment loss refinery property   $ 6  
Oilfields      
Impairment of long-term assets      
Net impairment loss $ 325 $ 495  
Tax Surcharge Rate 0%      
Impairment of long-term assets      
Tax surcharge rate 0.00%    
Tax Surcharge Rate 5%      
Impairment of long-term assets      
Tax surcharge rate 5.00%    
Tax Surcharge Rate 10%      
Impairment of long-term assets      
Tax surcharge rate 10.00%    
Tax Surcharge Rate 15%      
Impairment of long-term assets      
Tax surcharge rate 15.00%    
CGUs of South, North and Yaguara-Tenay      
Impairment of long-term assets      
Impairment loss     $ 630
Refineria de Cartagena S.A.S      
Impairment of long-term assets      
Net impairment loss     12
Recovery of impairment loss     1,494
Weighted average cost of capital, measurement input | Tax Surcharge Rate 0%      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 5.24 5.98  
Weighted average cost of capital, measurement input | Tax Surcharge Rate 5%      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 5.04 5.75  
Weighted average cost of capital, measurement input | Tax Surcharge Rate 10%      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 4.83 5.52  
Weighted average cost of capital, measurement input | Tax Surcharge Rate 15%      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 4.63 5.28  
Rate with tax      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 7.93 7.93  
Rate without tax      
Impairment of long-term assets      
Weighted average cost of capital, significant unobservable inputs, assets 6.49 8.54  
Transportation and logistics segment      
Impairment of long-term assets      
Closing balance exchange rate 4,052.71 4,409.15  
Discount rate used in current estimate of value in use 5.05% 6.00%  
Impairment expense (recovery) $ 346 $ 127  
Refineria de Barrancabermeja      
Impairment of long-term assets      
Reversal of impairment loss recognised in profit or loss, biological assets 0 0 0
Energy transmission and roads      
Impairment of long-term assets      
Impairment expense (recovery) 10 (2)  
Impairment loss $ 2 $ (45) $ (209)