v3.25.4
Accounting for Suspended Exploratory Wells - Aging of Costs on a Well and Project Basis (Details)
$ in Millions
Dec. 31, 2025
USD ($)
project
well
Dec. 31, 2024
USD ($)
project
Dec. 31, 2023
USD ($)
project
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 1,611 $ 1,645 $ 1,570
Number of wells | well 73    
Number of projects | project 15 14 13
2000-2009      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 263    
Number of wells | well 14    
2010-2014      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 1,068    
Number of wells | well 46    
2015-2024      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 280    
Number of wells | well 13    
2008-2012      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 292    
Number of projects | project 2    
2013-2016      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 1,030    
Number of projects | project 6    
2017-2025      
Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Line Items]      
Amount $ 289    
Number of projects | project 7