Accounting For Suspended Exploratory Well Costs (Narrative) (Details) - project |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Oil and Gas, Capitalized Exploratory Well Cost [Abstract] | |||
| Number of projects that have exploratory well costs capitalized for a period greater than one year | 25 | 24 | 31 |
| Number of projects that have drilling in the preceding twelve months or exploratory activity planned in the next two years as of December 31. | 10 | ||
| Number of projects with completed exploratory activity progressing toward development as of December 31 | 15 |