v3.25.2
Climate change and energy transition - Additional Information 2 (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
outlook
$ / MMBTU
$ / bbl
$ / barrel
Dec. 31, 2022
USD ($)
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment $ 194,835 $ 198,642
Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment 57,700 60,800
Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment 70,900 74,500
IEA NZE50 | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment 72,000 75,000
IEA NZE50 | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment 84,000 88,000
Shell mid-price | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment 72,000 75,000
Shell mid-price | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment $ 84,000 88,000
Priceline 1    
Disclosure of Climate Change and Energy Transition [Line Items]    
Number of external price outlooks | outlook 3  
Priceline 1 | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   75,000
Priceline 1 | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   88,000
Priceline 1 | Minimum | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount $ 12,000 4,000
Priceline 1 | Minimum | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 3,000 1,000
Priceline 1 | Maximum | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 16,000 6,000
Priceline 1 | Maximum | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 5,000 2,000
Priceline 2 | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   75,000
Priceline 2 | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   88,000
Priceline 2 | Minimum | Gas assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 8,000 4,000
Priceline 2 | Minimum | Upstream assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 1,000 1,000
Priceline 2 | Maximum | Gas assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 10,000 6,000
Priceline 2 | Maximum | Upstream assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 3,000 2,000
Priceline 3 | Integrated Gas    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   75,000
Priceline 3 | Upstream    
Disclosure of Climate Change and Energy Transition [Line Items]    
Property, plant and equipment   88,000
Priceline 3 | Minimum | Gas assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 15,000 9,000
Priceline 3 | Minimum | Upstream assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 3,000 8,000
Priceline 3 | Maximum | Gas assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount 20,000 12,000
Priceline 3 | Maximum | Upstream assets    
Disclosure of Climate Change and Energy Transition [Line Items]    
Recoverable amount $ 5,000 $ 11,000
2037 | Priceline 1 | IHS Markit ACCS 2022    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 25  
2045 | Priceline 1 | IHS Markit ACCS 2022    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 63  
2050 | Priceline 1 | IHS Markit ACCS 2022    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2050 | Priceline 1 | IHS Markit ACCS 2022 | Minimum    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 62  
2050 | Priceline 1 | IHS Markit ACCS 2022 | Minimum | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2050 | Priceline 1 | IHS Markit ACCS 2022 | Maximum    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 69  
2050 | Priceline 1 | IHS Markit ACCS 2022 | Maximum | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 4  
2050 | Priceline 1 | Woodmac WM AET-1 5 Degree    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 28  
2050 | Priceline 1 | Woodmac WM AET-1 5 Degree | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 5  
2050 | Priceline 1 | Woodmac WM AET-1 5 Degree | Henry Hub natural gas ($/MMBtu)    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2050 | Priceline 1 | Woodmac WM AET-1 5 Degree | Minimum | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 6  
2050 | Priceline 1 | Woodmac WM AET-1 5 Degree | Maximum | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 10  
2050 | Priceline 1 | IEA NZE50    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / barrel 26  
2024 | Priceline 1 | IHS Markit ACCS 2022 | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 17  
2024 | Priceline 1 | IHS Markit ACCS 2022 | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 18  
2024 | Priceline 1 | Woodmac WM AET-1 5 Degree | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 15  
2024 | Priceline 1 | Woodmac WM AET-1 5 Degree | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 15  
2024 | Priceline 1 | IEA NZE50 | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 26  
2024 | Priceline 1 | IEA NZE50 | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 14  
2024 | Priceline 1 | IEA NZE50 | Henry Hub natural gas ($/MMBtu)    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / barrel 5  
2030 | IEA NZE50    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 43  
2030 | Shell mid-price    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected oil price (USD per barrel) | $ / bbl 70  
2030 | Priceline 1 | IHS Markit ACCS 2022 | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2030 | Priceline 1 | IEA NZE50 | Europe    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 4  
2030 | Priceline 1 | IEA NZE50 | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 6  
2030 | Priceline 1 | IEA NZE50 | Henry Hub natural gas ($/MMBtu)    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / barrel 2  
2031 | Priceline 1 | IHS Markit ACCS 2022 | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2031 | Priceline 1 | Woodmac WM AET-1 5 Degree | Asia    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 7  
2033 | Priceline 1 | Woodmac WM AET-1 5 Degree | Henry Hub natural gas ($/MMBtu)    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 3  
2046 | Priceline 1 | Woodmac WM AET-1 5 Degree | Henry Hub natural gas ($/MMBtu)    
Disclosure of Climate Change and Energy Transition [Line Items]    
Expected gas price (USD per barrel) | $ / MMBTU 4