v3.25.2
Climate change and energy transition - Additional Information 1 (Details)
$ in Millions
1 Months Ended 12 Months Ended 84 Months Ended
Mar. 31, 2024
Dec. 31, 2023
USD ($)
outlook
Dec. 31, 2022
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   $ 194,835 $ 198,642 $ 194,835            
Impairment sensitivity to change in commodity prices   10.00%                
Priceline 1                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Number of external price outlooks | outlook   3                
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%                
Integrated Gas and Upstream segments                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Disposals of property, plant and equipment       26,000            
Integrated Gas                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   $ 57,700 60,800 57,700            
Integrated Gas | Priceline 1                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment     75,000              
Upstream                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   70,900 74,500 70,900            
Upstream | Priceline 1                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment     88,000              
Production assets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   111,000 117,000 111,000 $ 118,000 $ 132,000 $ 150,000 $ 149,000 $ 154,000 $ 169,000
Production assets | Integrated Gas and Upstream segments                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   111,000   111,000           169,000
Carrying amount of exploration and evaluation assets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment   $ 5,312 6,403 $ 5,312 $ 7,000 $ 9,000 $ 15,000 $ 18,000 $ 19,000 $ 19,000
Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Impairment sensitivity to mid-price outlook   (10.00%)                
Minimum | Integrated Gas                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Expected impairment loss with change in measurement input   $ 5,000 2,000              
Minimum | Upstream                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Expected impairment loss with change in measurement input   $ 2,000 2,000              
Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Impairment sensitivity to mid-price outlook   10.00%                
Maximum | Integrated Gas                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Expected impairment loss with change in measurement input   $ 8,000 5,000              
Maximum | Upstream                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Expected impairment loss with change in measurement input   $ 5,000 $ 4,000              
2025                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in Scope 1 and 2 emissions   50.00%                
2025 | Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   15.00%                
2025 | Minimum | Revision of carbon emissions targets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent) 15.00%                  
2025 | Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   20.00%                
2025 | Maximum | Revision of carbon emissions targets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent) 20.00%                  
2023 | Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   9.00%                
2023 | Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   12.00%                
2024 | Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   9.00%                
2024 | Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   13.00%                
2030                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Reduction in carbon intensity energy products emission (in percent)   100.00%