Suspended Wells and Exploration Expenses - Aging of Suspended Well Cost (Details) $ in Millions |
Dec. 31, 2025
USD ($)
project
|
Dec. 31, 2024
USD ($)
project
|
Dec. 31, 2023
USD ($)
project
|
Dec. 31, 2022
USD ($)
|
|---|---|---|---|---|
| Extractive Industries [Abstract] | ||||
| Exploratory well costs capitalized for a period of one year or less | $ 110 | $ 33 | $ 0 | |
| Exploratory well costs capitalized for a period greater than one year | 133 | 163 | 184 | |
| Capitalized cost of suspended wells | $ 243 | $ 196 | $ 184 | $ 527 |
| Number of projects with exploratory well costs capitalized for a period greater than one year | project | 13 | 13 | 14 |