v3.25.2
Climate change and energy transition - Carbon price per region (Details) - $ / Tonne
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
2025-2034 | European Union | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 92  
2025-2034 | European Union | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 133  
2025-2034 | Norway | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 181  
2025-2034 | Norway | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 230  
2025-2034 | United Kingdom | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 62  
2025-2034 | United Kingdom | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 133  
2025-2034 | Canada (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 69  
2025-2034 | Canada (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 115  
2025-2034 | United States of America (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 0  
2025-2034 | United States of America (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 25  
2025-2034 | Australia | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 32  
2025-2034 | Australia | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 76  
2025-2034 | All other countries | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 0  
2025-2034 | All other countries | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 65  
2025-2034 | The Netherlands | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 94  
2025-2034 | The Netherlands | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 163  
2035-2050 | European Union | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 136  
2035-2050 | European Union | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 185  
2035-2050 | Norway | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   230
2035-2050 | Norway | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   230
2035-2050 | United Kingdom | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   136
2035-2050 | United Kingdom | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne)   185
2035-2050 | Canada (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 115  
2035-2050 | Canada (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2035-2050 | United States of America (Federal) | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 31  
2035-2050 | United States of America (Federal) | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 125  
2035-2050 | Australia | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 80  
2035-2050 | Australia | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 150  
2035-2050 | All other countries | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 13  
2035-2050 | All other countries | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 150  
2035-2050 | The Netherlands | Bottom of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 164  
2035-2050 | The Netherlands | Top of range    
Disclosure of Climate Change and Energy Transition [Line Items]    
Carbon cost forecast (per tonne) 185