v3.25.2
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
$ / t
Dec. 31, 2034
USD ($)
Dec. 31, 2030
$ / t
Dec. 31, 2025
USD ($)
$ / t
Dec. 31, 2024
USD ($)
$ / Tonne
Dec. 31, 2023
USD ($)
Disclosure of Climate Change and Energy Transition [Line Items]                  
Capital expenditure, renewable power               $ 6,000  
Property, plant and equipment               185,219 $ 194,835
Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               60,000 57,700
Upstream                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               63,400 70,900
Chemicals and Products                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               32,600 35,500
Shell mid-price | Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               74,000 72,000
Shell mid-price | Upstream                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               77,000 84,000
IEA NZE 2050 | Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               74,000 72,000
IEA NZE 2050 | Upstream                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               77,000 84,000
IEA NZE 2050 | Chemicals and Products                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               38,000 44,000
IEA NZE 2050 | Minimum | Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Recoverable amount               (1,000) 2,000
IEA NZE 2050 | Maximum | Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Recoverable amount               (2,000) 4,000
IEA NZE 2050 | Maximum | Upstream                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Recoverable amount               (1,000)  
IEA NZE50 | Integrated Gas                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               74,000 72,000
IEA NZE50 | Upstream                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Property, plant and equipment               $ 77,000 $ 84,000
Forecast                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Carbon emission expense         $ 5,000   $ 1,000    
Forecast | Shell mid-price                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Carbon cost forecast (per tonne) | $ / t 185 169 153 136   120 92    
Forecast | Shell mid-price | Minimum                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Carbon cost forecast (per tonne) | $ / Tonne               50  
Forecast | Shell mid-price | Maximum                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Carbon cost forecast (per tonne) | $ / Tonne               230  
Forecast | IEA NZE50                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Carbon cost forecast (per tonne) | $ / t 255 232 209 184   143 86    
Forecast | IEA NZE50 | Chemicals and Products | Bottom of range                  
Disclosure of Climate Change and Energy Transition [Line Items]                  
Decrease in recoverable amount of assets               $ (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               $ (2,000)