v3.25.2
Impairment of property, plant and equipment, goodwill, and other intangible assets - Narrative (Details)
$ in Millions
 12 Months Ended 252 Months Ended
Dec. 31, 2024
USD ($)
$ / bbl
$ / MMBTU
$ / Tonne
$ / Boe
Dec. 31, 2023
USD ($)
$ / bbl
$ / MMBTU
Dec. 31, 2022
USD ($)
project
Dec. 31, 2048
$ / MMBTU
Disclosure of impairment loss and reversal of impairment loss [line items]        
Goodwill $ 510 $ 635 $ 361  
Impairment losses on property, plant and equipment 3,673 8,182 1,799  
Impairment reversals $ 333 627 6,177  
Refining margin (USD per BBL) | $ / Boe 10      
Decrease in long-term refining margin assumptions (USD per BBL) | $ / Boe 1      
Increase in long-term refining margin assumptions (USD per BBL) | $ / Boe 1      
Average chemical margin (USD per ton) | $ / Tonne 197.5      
Decrease in long-term chemical margin assumptions (USD per ton) | $ / Tonne 30      
Increase in long-term chemical margin assumptions (USD per ton) | $ / Tonne 30      
Percentage increase in discounting factor assumptions 1.00%      
Contractual commitments for purchase and lease of property, plant and equipment $ 7,815      
Contractual commitments for lease of property, plant and equipment 2,914      
Top of range        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment reversal due to decrease in long-term chemical margin assumptions $ 0      
Integrated Gas and Upstream        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Percentage decrease in commodity price assumptions (10.00%)      
Percentage increase in commodity price assumptions 10.00%      
Integrated Gas and Upstream | Bottom of range        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment loss due to decrease in commodity price assumptions $ 5,000      
Impairment reversal due to increase in commodity price assumptions 2,000      
Impairment loss due to increase in discount rates 1,000      
Integrated Gas and Upstream | Top of range        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment loss due to decrease in commodity price assumptions 9,000      
Impairment reversal due to increase in commodity price assumptions 5,000      
Impairment loss due to increase in discount rates $ 3,000      
Chemicals and Products        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Decrease in long-term refining margin assumptions (USD per BBL) | $ / Boe (1)      
Increase in long-term refining margin assumptions (USD per BBL) | $ / Boe 1      
Chemicals and Products | Bottom of range        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment reversal due to increase in long-term refining margin assumptions $ 0      
Chemicals and Products | Top of range        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment reversal due to increase in long-term refining margin assumptions 500      
Impairment loss due to decrease in long-term chemical margin assumptions 500      
Russia        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment     $ 854  
Brazil        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Number of projects | project     2  
Exploration and production        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment 783 4,820 $ 868  
Impairment reversals 74 528 5,954  
Manufacturing, supply and distribution        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment 1,278 2,785 474  
Impairment reversals $ 114 91 72  
Other PPE        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Nominal post-tax discount rate 6.00%      
Impairment losses on property, plant and equipment $ 1,612 577 457  
Impairment reversals $ 145 $ 8 151  
Brent crude oil ($/b)        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Commodity price after year 4 | $ / bbl 70 70    
Henry Hub natural gas ($/MMBtu)        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Commodity price after year 4 | $ / MMBTU   4.00    
Commodity price increase after year 4 to year 24 | $ / MMBTU 4.05      
Henry Hub natural gas ($/MMBtu) | Forecast        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Commodity price | $ / MMBTU       5.00
Renewables and Energy Solutions        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Nominal post-tax discount rate 6.00% 6.00%    
PPE and intangible assets $ 900 $ 2,600    
Discount rate used in current measurement of fair value less costs of disposal   12.00%    
Impairment reversals 134      
Renewables and Energy Solutions | Other PPE        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment $ 52 $ 273    
All other segments        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Nominal post-tax discount rate 7.50% 7.50%    
All segments excluding renewables and energy solutions segment        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Nominal pre-tax discount rate 9.00%      
Chemicals and Products        
Disclosure of impairment loss and reversal of impairment loss [line items]        
PPE and intangible assets   $ 2,500    
Discount rate used in current measurement of fair value less costs of disposal   10.00%    
Impairment losses on property, plant and equipment     257  
Impairment reversals $ 114      
Integrated Gas        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment reversals   $ 325 3,449  
Integrated Gas | Exploration and production        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment 543 3,472    
Upstream        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment     320  
Impairment reversals   203 $ 2,504  
Upstream | Exploration and production        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment 240 1,348    
Marketing        
Disclosure of impairment loss and reversal of impairment loss [line items]        
PPE and intangible assets 1,000      
Marketing | Other PPE        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment losses on property, plant and equipment $ 1,518 $ 292