v3.25.2
Climate change and energy transition - Additional Information 2 (Details)
$ in Millions
 12 Months Ended 96 Months Ended
Dec. 31, 2024
USD ($)
outlook
Dec. 31, 2023
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2022
USD ($)
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 $ 185,219 $ 194,835 $ 185,219              
Priceline 1                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Number of external price outlooks | outlook 3                  
Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Impairment sensitivity to mid-price outlook (10.00%)                  
Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Impairment sensitivity to mid-price outlook 10.00%                  
2030                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Proportion of SEC proved reserve 49.00%                  
2045                    
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 and Upstream segments | Minimum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Sensitivity - 10% to the mid-price outlook $ 5,000 5,000 5,000              
Expected reversal of impairment loss with change in measurement input 2,000 2,000                
Integrated Gas and Upstream segments | Maximum                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Sensitivity - 10% to the mid-price outlook 9,000 8,000 9,000              
Expected reversal of impairment loss with change in measurement input 5,000 5,000                
Production assets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment 102,000 111,000 102,000 $ 117,000 $ 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 102,000   102,000             169,000
Carrying amount of exploration and evaluation assets                    
Disclosure of Climate Change and Energy Transition [Line Items]                    
Property, plant and equipment $ 4,108 $ 5,312 $ 4,108 $ 6,000 $ 7,000 $ 9,000 $ 15,000 $ 18,000 $ 19,000 $ 19,000