v3.26.1
Taxes - Deferred tax assets and liabilities (Details) - COP ($)
$ in Billions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2019
Taxes        
Deferred tax assets (liabilities) $ (4,488) $ (80) $ (1,302) $ (87)
Ecopetrol USA Inc.        
Taxes        
Deferred tax assets operating loss carry forwards not subject to expiration 1,312 1,088    
Refineria De Cartagana [Member]        
Taxes        
Deferred tax assets operating loss carry forwards not subject to expiration 2,096 1,236    
ISA Interchile        
Taxes        
Operating loss carryforwards, subject to expiration 969 1,157    
ISA Group        
Taxes        
Deferred tax assets operating loss carry forwards not subject to expiration 61 66    
Esenttia MB        
Taxes        
Operating loss carryforwards, subject to expiration $ 186 118    
Invercolsa S.A.        
Taxes        
Deferred tax asset attributable to deductible operating loss carryforwards 12 years      
Operating loss carryforwards, subject to expiration $ 15 16    
Ruta de la Araucana and Transamerican        
Taxes        
Operating loss carryforwards, subject to expiration 1 39    
Ruta Costera        
Taxes        
Operating loss carryforwards, subject to expiration 306 241    
Ruta del Maipo        
Taxes        
Operating loss carryforwards, subject to expiration 641 705    
Ruta del Loa        
Taxes        
Operating loss carryforwards, subject to expiration 98 61    
Loss carry forwards        
Taxes        
Deferred tax assets (liabilities) 6,595 6,892    
Deferred tax asset (liability) $ 6,595 6,892    
Deferred tax asset attributable to deductible operating loss carryforwards 20 years      
Operating loss carryforwards, subject to expiration $ 910 1,165    
Provisions        
Taxes        
Deferred tax assets (liabilities) 5,876 4,660    
Employee benefits        
Taxes        
Deferred tax assets (liabilities) 1,180 2,895    
Other assets        
Taxes        
Deferred tax assets (liabilities) 405 296    
Accounts payable        
Taxes        
Deferred tax assets (liabilities) 11 58    
Other        
Taxes        
Deferred tax assets (liabilities) (470) (344)    
Goodwill        
Taxes        
Deferred tax assets (liabilities) (662) (693)    
Intangibles        
Taxes        
Deferred tax assets (liabilities) (1,063) (1,403)    
Loans and borrowings        
Taxes        
Deferred tax assets (liabilities) (1,927) 3,425    
Other liabilities        
Taxes        
Deferred tax assets (liabilities) (3,299) (3,448)    
Accounts receivable        
Taxes        
Deferred tax assets (liabilities) (3,859) (3,761)    
Property plant and equipment and Natural and environmental resources        
Taxes        
Deferred tax assets (liabilities) $ (7,275) $ (8,657)