v3.25.2
Goodwill and other intangible assets - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about intangible assets [line items]      
Goodwill $ 16,660 $ 16,039  
Additions 1,436    
Cost      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 18,542 17,557 $ 16,117
Additions 1,436 1,954  
Integrated Gas      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 4,900 4,900  
Upstream      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 5,400 5,300  
Marketing      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 4,400 $ 3,300  
Additions 1,304    
Renewables and Energy Solutions      
Disclosure of detailed information about intangible assets [line items]      
Additions 132    
BG Group Plc | Integrated Gas      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 4,945    
BG Group Plc | Upstream      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 5,294    
BG Group Plc | Oil Products      
Disclosure of detailed information about intangible assets [line items]      
Goodwill $ 1,665