v3.26.1
Natural and environmental resources - Accounting for suspended exploratory wells (Details) - item
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of Natural and environmental resources [Line Items]      
Number of projects exceeding 1 year 8 11 —
Projects under 1 year of suspension 86 76  
Between 1 and 3 years      
Disclosure of Natural and environmental resources [Line Items]      
Projects under 1 year of suspension 86 76  
Up to 1 year      
Disclosure of Natural and environmental resources [Line Items]      
Projects under 1 year of suspension 21 21 230