v3.25.2
Climate change and energy transition - Additional Information 3 (Details)
$ in Millions
 12 Months Ended 84 Months Ended
Dec. 31, 2050
$ / t
Dec. 31, 2040
$ / t
Dec. 31, 2035
$ / t
Dec. 31, 2033
USD ($)
Dec. 31, 2030
$ / t
Dec. 31, 2025
$ / t
Dec. 31, 2024
USD ($)
$ / t
Dec. 31, 2023
USD ($)
$ / Tonne
$ / Boe
Dec. 31, 2022
USD ($)
Dec. 31, 2023
USD ($)
numberOfRefineries
Dec. 31, 2016
USD ($)
refinery
Disclosure of Climate Change and Energy Transition [Line Items]                      
Capital expenditure, renewable power               $ 5,000 $ 4,000    
Property, plant and equipment               194,835 198,642 $ 194,835  
Number of assets | refinery                     15
Number of refineries assumed | numberOfRefineries                   2  
Number of closed refineries | numberOfRefineries                   9  
Other assets               $ 13,000   $ 13,000  
Chemical margin, per crude oil barrel | $ / Boe               252      
Cash flow projection period               20 years      
Reasonably possible decrease in long-term chemical margin assumptions, per crude oil barrel | $ / Boe               30      
Reasonably possible increase in long-term chemical margin assumptions, per crude oil barrel | $ / Boe               30      
Impairment loss due to reasonably possible increase in long-term chemical margin assumptions               $ 2,000      
Refining margin (USD per BBL) | $ / Boe               7.6      
Decrease in long-term refining margin assumptions (USD per BBL) | $ / Boe               1      
Increase in long-term refining margin assumptions (USD per BBL) | $ / Boe               1      
Top of range                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Impairment reversal due to decrease in long-term chemical margin assumptions               $ 0      
Impairment loss due to increase in long-term refining margin assumptions               2,000      
Impairment reversal due to decrease in long-term refining margin assumptions               1,000      
Bottom of range                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Impairment loss due to increase in long-term refining margin assumptions               $ 1,000      
2030                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               43.00%      
2040                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               7.00%      
2050                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               1.00%      
Refineries                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 6,000   6,000 $ 10,000
PPE other than refineries                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               38,000   38,000  
Chemicals segment                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               25,000   25,000  
Integrated Gas                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               57,700 60,800 57,700  
Upstream                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               70,900 74,500 70,900  
Chemicals and Products                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 36,900 38,100 36,900  
Chemicals and Products | Refineries                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment                 6,000    
Useful lives of tangible assets               20 years      
Trading and Supply                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Other assets               $ 8,000   8,000  
Oil Products                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Other assets               $ 3,000   3,000  
Oil Products | 2030                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               82.00%      
Oil Products | 2040                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               57.00%      
Oil Products | 2050                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Proportion of SEC proved reserve               32.00%      
Pennsylvania | Chemicals segment                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 15,000   15,000  
Minimum | Refineries                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Useful lives of tangible assets               4 years      
Maximum | Refineries                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Useful lives of tangible assets               11 years      
Shell mid-price | Integrated Gas                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 72,000 75,000 72,000  
Shell mid-price | Upstream                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 84,000 88,000 84,000  
Shell mid-price | Norway                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               220      
Shell mid-price | The Netherlands                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               220      
Shell mid-price | Minimum                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               100      
Shell mid-price | Maximum                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               200      
IEA NZE 2050 | Integrated Gas                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               $ 72,000 75,000 72,000  
IEA NZE 2050 | Upstream                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               84,000 88,000 84,000  
IEA NZE 2050 | Chemicals and Products                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Property, plant and equipment               44,000 44,000  
IEA NZE 2050 | Minimum | Integrated Gas                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Recoverable amount               2,000 2,000 2,000  
IEA NZE 2050 | Minimum | Chemicals and Products                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Recoverable amount               3,000   3,000  
IEA NZE 2050 | Maximum | Integrated Gas                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Recoverable amount               4,000 $ 5,000 4,000  
IEA NZE 2050 | Maximum | Upstream                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Recoverable amount               1,000   1,000  
IEA NZE 2050 | Maximum | Chemicals and Products                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Recoverable amount               $ 4,000   $ 4,000  
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 170 148 136   125 87 96        
Forecast | Shell mid-price | Minimum                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               125      
Forecast | Shell mid-price | Maximum                      
Disclosure of Climate Change and Energy Transition [Line Items]                      
Carbon cost forecast (per tonne) | $ / Tonne               170