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v3.26.1

Property, Plant and Equipment - Narrative (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2026 USD ($) foot well | Sep. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Well costs | $ 266,810,000 |  | $ 96,845,000 | $ 191,821,000 | $ 72,055,000
Additions pending the determination of proved reserves | 84,599,000 |  | 24,790,000 |  |
Capitalized exploratory well costs charged to expense | 9,610,000 |  | 0 |  |
Well costs incurred and expensed | 57,500,000 |  |  |  |
Exploratory well costs capitalized more than one year | 208,300,000 |  |  |  |
Impairment of assets | $ 0 |  | $ 0 |  |
Banjo |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Net payable area | foot | 50 |  |  |  |
Cello |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Net payable area | foot | 30 |  |  |  |
Block CI-502 |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Number of exploration wells | well | 2 |  |  |  |
BW Pioneer Floating Production Storage And Offloading Vessel (FPSO) |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Consideration transferred |  | $ 125,000,000.0 |  |  |
Operations and maintenance services, term of contract |  | 5 years |  |  |
Vietnam |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Exploratory well costs capitalized more than one year | $ 107,000,000.0 |  |  |  |
Gulf Of America |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Exploratory well costs capitalized more than one year | 94,000,000.0 |  |  |  |
Canada |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Exploratory well costs capitalized more than one year | 4,600,000 |  |  |  |
Brunei |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Exploratory well costs capitalized more than one year | $ 2,700,000 |  |  |  |

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