v3.25.4
Climate change and energy transition - Additional information 4 (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2050
$ / t
Dec. 31, 2045
$ / t
Dec. 31, 2040
$ / t
Dec. 31, 2035
USD ($)
$ / t
Dec. 31, 2030
$ / t
Dec. 31, 2026
USD ($)
$ / t
Dec. 31, 2025
USD ($)
$ / t
Dec. 31, 2024
USD ($)
Disclosure of Climate Change and Energy Transition [Line Items]                
Capital expenditure, renewable power             $ 3,000  
Property, plant and equipment             185,077 $ 185,219
Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             61,000 60,000
Upstream                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             60,200 63,400
Chemicals and Products                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             33,600 32,600
Shell mid-price | Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             77,000 74,000
Shell mid-price | Upstream                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             77,000 77,000
IEA NZE 2050 | Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             77,000 74,000
IEA NZE 2050 | Upstream                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             77,000 77,000
IEA NZE 2050 | Chemicals and Products                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             39,000 38,000
IEA NZE 2050 | Minimum | Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Recoverable amount             (2,000) (1,000)
IEA NZE 2050 | Maximum | Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Recoverable amount             (3,000) (2,000)
IEA NZE 2050 | Maximum | Upstream                
Disclosure of Climate Change and Energy Transition [Line Items]                
Recoverable amount             (1,000) 1,000
IEA NZE50 | Integrated Gas                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             77,000 74,000
IEA NZE50 | Upstream                
Disclosure of Climate Change and Energy Transition [Line Items]                
Property, plant and equipment             $ 77,000 77,000
Forecast                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon emission expense       $ 4,000   $ 1,000    
Forecast | Shell mid-price                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon cost forecast (per tonne) | $ / t 185 170 155 140 125 100    
Forecast | Shell mid-price | Minimum                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon cost forecast (per tonne) | $ / t             50  
Forecast | Shell mid-price | Maximum | Europe                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon cost forecast (per tonne) | $ / t             185  
Forecast | Shell mid-price | Maximum | Norway                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon cost forecast (per tonne) | $ / t             230  
Forecast | IEA NZE50                
Disclosure of Climate Change and Energy Transition [Line Items]                
Carbon cost forecast (per tonne) | $ / t 255 232 209 184 136 98    
Forecast | IEA NZE50 | Chemicals and Products | Bottom of range                
Disclosure of Climate Change and Energy Transition [Line Items]                
Decrease in recoverable amount of assets             $ (2,000) (1,000)
Forecast | IEA NZE50 | Chemicals and Products | Top of range                
Disclosure of Climate Change and Energy Transition [Line Items]                
Decrease in recoverable amount of assets             $ (3,000) $ (2,000)