v3.25.4
Property, plant and equipment - Summary of Exploration Drilling Costs Capitalised for Periods Greater Than One Year (Details)
$ in Millions
Dec. 31, 2025
USD ($)
project
well
Disclosure Of Detailed Information About Exploration And Evaluation Assets [Line Items]  
Projects, number | project 35
Projects, value $ 1,682
Wells, number | well 66
Wells, value $ 1,682
Between 1 and 5 years  
Disclosure Of Detailed Information About Exploration And Evaluation Assets [Line Items]  
Projects, number | project 14
Projects, value $ 727
Wells, number | well 32
Wells, value $ 727
Between 6 and 10 years  
Disclosure Of Detailed Information About Exploration And Evaluation Assets [Line Items]  
Projects, number | project 8
Projects, value $ 702
Wells, number | well 15
Wells, value $ 644
Between 11 and 15 years  
Disclosure Of Detailed Information About Exploration And Evaluation Assets [Line Items]  
Projects, number | project 8
Projects, value $ 157
Wells, number | well 12
Wells, value $ 183
Between 16 and 20 years  
Disclosure Of Detailed Information About Exploration And Evaluation Assets [Line Items]  
Projects, number | project 5
Projects, value $ 96
Wells, number | well 7
Wells, value $ 128