v3.25.4
Suspended Wells and Exploration Expenses - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
well
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Dry hole expense $ 40    
Exploratory well costs capitalized for a period greater than one year 133 $ 163 $ 184
Before-tax impairment related to the associated carrying value of capitalized undeveloped leasehold costs 407 $ 355 398
Asia Pacific      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Dry hole expense 80    
Exploratory well costs capitalized for a period greater than one year 36    
Alvheim, Norwegian Sector of the North Sea      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Dry hole expense $ 22    
Number of partner operating exploration wells | well 2    
PL782S - Norway      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Dry hole expense $ 18    
Norwegian Warka PL1009      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Before-tax impairment related to the associated carrying value of capitalized undeveloped leasehold costs     37
Alaska Bear-1      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Before-tax impairment related to the associated carrying value of capitalized undeveloped leasehold costs     $ 31
Certain Lower 48 Offshore Interests      
Impaired Assets to be Disposed of by Method Other than Sale [Line Items]      
Increase in capitalized costs $ (30)