v3.25.2
Material accounting policies, judgements and estimates (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
cases
Disclosure of detailed information about property, plant and equipment [Line Items]  
Main competitors | cases 4
Share price volatility period 3 years
Dividend yield period 10 years
Self-generated biofuel certificates, value recognized | $ $ 0
Chemical plants  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of tangible assets 20 years
Retail service stations  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of tangible assets 15 years
Power infrastructure | Bottom of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 30 years
Power infrastructure | Top of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 35 years
Wind assets | Bottom of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 25 years
Wind assets | Top of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 30 years
Upgraders | Bottom of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 3 years
Upgraders | Top of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Major inspection costs useful economic life 5 years