v3.25.2
Climate change and energy transition - Carbon price per region (Details) - $ / Tonne
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
2024-2033 | European Union | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 87  
2024-2033 | European Union | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 132  
2024-2033 | Norway | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 97  
2024-2033 | Norway | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 226  
2024-2033 | United Kingdom | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 94  
2024-2033 | United Kingdom | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 145  
2024-2033 | Canada (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 59  
2024-2033 | Canada (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 113  
2024-2033 | United States of America (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 0  
2024-2033 | United States of America (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 42  
2024-2033 | Australia | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 29  
2024-2033 | Australia | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 61  
2024-2033 | All other countries | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 0  
2024-2033 | All other countries | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 55  
2024-2033 | The Netherlands | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 87  
2024-2033 | The Netherlands | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) (159)  
2034-2050 | European Union | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 134  
2034-2050 | European Union | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 170  
2034-2050 | Norway | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   226
2034-2050 | Norway | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   226
2034-2050 | United Kingdom | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   146
2034-2050 | United Kingdom | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   170
2034-2050 | Canada (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 113  
2034-2050 | Canada (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2034-2050 | United States of America (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 47  
2034-2050 | United States of America (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2034-2050 | Australia | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 65  
2034-2050 | Australia | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2034-2050 | All other countries | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 25  
2034-2050 | All other countries | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2034-2050 | The Netherlands | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 163  
2034-2050 | The Netherlands | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 220