v3.25.4
Accounting for Suspended Exploratory Wells - Summary of Changes and Aging of Capitalized Well Costs (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
project
Dec. 31, 2024
USD ($)
project
Dec. 31, 2023
USD ($)
project
Changes in company's suspended exploratory well costs      
Beginning balance $ 1,662 $ 1,648 $ 1,627
Additions to capitalized exploratory well costs pending the determination of proved reserves 150 14 88
Reclassifications to wells, facilities and equipment based on the determination of proved reserves 0 0 0
Capitalized exploratory well costs charged to expense (1) 0 (67)
Other reductions (52) 0 0
Ending balance 1,759 1,662 1,648
Aging of capitalized well costs and number of project      
Exploratory well costs capitalized for a period of one year or less 148 17 78
Exploratory well costs capitalized for a period greater than one year 1,611 1,645 1,570
Capitalized exploratory well costs, total $ 1,759 $ 1,662 $ 1,648
Number of projects with exploratory well costs that have been capitalized for a period greater than one year (in projects) | project 15 14 13