v3.26.1
Natural and environmental resources (Details)
$ in Millions, $ in Billions
12 Months Ended
Dec. 31, 2025
COP ($)
Dec. 31, 2024
COP ($)
Dec. 29, 2024
USD ($)
Natural and environmental resources      
Beginning Balance $ 47,666    
Ending Balance 48,407 $ 47,666  
Block CPO-09      
Natural and environmental resources      
Percentage of interest acquired     45.00%
Consideration transferred     $ 452
Percentage of ownership interest including subsequent percentage     100.00%
Cost      
Natural and environmental resources      
Additions/capitalizations 502 866  
Disposals (44) (171)  
Foreign currency translation (3,024) 2,067  
Transfers/reclassifications 110 415  
Cost | Oil and gas investments      
Natural and environmental resources      
Beginning Balance 108,855 94,176  
Additions/capitalizations 4,691 9,101  
CPO-09 assets in business combination   424  
Abandonment cost update (Note 23)   0  
Disposals (35) (117)  
Write off exploratory assets and dry wells   0  
Capitalized financial interests 334 345  
Exchange differences capitalized 2 2  
Fair value adjustment in business combination   208  
Field reversal   16  
Foreign currency translation (5,694) 4,507  
Transfers/reclassifications 3,972 193  
Ending Balance 112,125 108,855  
Cost | Assets retirement obligations      
Natural and environmental resources      
Beginning Balance 8,249 10,147  
Additions/capitalizations 18 23  
CPO-09 assets in business combination   0  
Abandonment cost update (Note 23) 1,608 (2,085)  
Disposals   0  
Write off exploratory assets and dry wells   0  
Capitalized financial interests   0  
Exchange differences capitalized   0  
Fair value adjustment in business combination   0  
Field reversal   2  
Foreign currency translation (152) 157  
Transfers/reclassifications 16 5  
Ending Balance 9,739 8,249  
Cost | Exploration and evaluation      
Natural and environmental resources      
Beginning Balance 10,052 9,719  
Additions/capitalizations 5,843 1,417  
CPO-09 assets in business combination   326  
Abandonment cost update (Note 23) (30) (3)  
Disposals (1) 0  
Write off exploratory assets and dry wells (717) (1,108)  
Capitalized financial interests 92 36  
Exchange differences capitalized 1 0  
Fair value adjustment in business combination   88  
Field reversal   0  
Foreign currency translation (357) 55  
Transfers/reclassifications (4,206) (478)  
Ending Balance 10,677 10,052  
Accumulated depreciation and impairment losses | Oil and gas investments      
Natural and environmental resources      
Beginning Balance (72,930) (63,010)  
Depletion expense (7,447) (7,083)  
(Loss) recovery of impairment (Note 18) (244) (254)  
Disposals 5 91  
Foreign currency translation 3,323 (2,431)  
Transfers/reclassifications 77 (243)  
Ending Balance (77,216) (72,930)  
Accumulated depreciation and impairment losses | Assets retirement obligations      
Natural and environmental resources      
Beginning Balance (6,444) (5,478)  
Depletion expense (315) (874)  
(Loss) recovery of impairment (Note 18) 13 0  
Foreign currency translation 97 (80)  
Transfers/reclassifications (236) (12)  
Disposals   0  
Ending Balance (6,885) (6,444)  
Accumulated depreciation and impairment losses | Exploration and evaluation      
Natural and environmental resources      
Beginning Balance (116) (337)  
Depletion expense   0  
(Loss) recovery of impairment (Note 18) (41) (79)  
Disposals   0  
Foreign currency translation   0  
Transfers/reclassifications 124 300  
Ending Balance (33) (116)  
Natural and environmental resources      
Natural and environmental resources      
Beginning Balance 47,666 45,217  
Ending Balance 48,407 47,666  
Natural and environmental resources | Oil and gas investments      
Natural and environmental resources      
Beginning Balance 35,925 31,166  
Ending Balance 34,909 35,925  
Natural and environmental resources | Assets retirement obligations      
Natural and environmental resources      
Beginning Balance 1,805 4,669  
Ending Balance 2,854 1,805  
Natural and environmental resources | Exploration and evaluation      
Natural and environmental resources      
Beginning Balance 9,936 9,382  
Ending Balance 10,644 9,936  
Natural and environmental resources | Cost      
Natural and environmental resources      
Beginning Balance 127,156 114,042  
Additions/capitalizations 10,552 10,541  
CPO-09 assets in business combination   750  
Abandonment cost update (Note 23) 1,578 (2,088)  
Disposals (36) (117)  
Write off exploratory assets and dry wells (717) (1,108)  
Capitalized financial interests 426 381  
Exchange differences capitalized 3 2  
Fair value adjustment in business combination   296  
Field reversal   18  
Foreign currency translation (6,203) 4,719  
Transfers/reclassifications (218) (280)  
Ending Balance 132,541 127,156  
Natural and environmental resources | Accumulated depreciation and impairment losses      
Natural and environmental resources      
Beginning Balance (79,490) (68,825)  
Depletion expense (7,762) (7,957)  
(Loss) recovery of impairment (Note 18) (272) (333)  
Disposals 5 91  
Foreign currency translation 3,420 (2,511)  
Transfers/reclassifications (35) 45  
Ending Balance $ (84,134) $ (79,490)