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Number Of Exploration Wells

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- Definition

Operations And Maintenance Services, Term Of Contract

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- Definition

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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- Definition

Amount of addition to capitalized exploratory well cost pending determination of proved reserve in oil- and gas-producing activities.

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Amount of expense for capitalized exploratory well costs for which proved reserves were not found at the exploratory well.

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The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period.

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Amount of exploratory well cost capitalized for period of greater than one year after completion of drilling in oil- and gas-producing activities.

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- Definition

Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities.

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Property, Plant and Equipment - Narrative (Details)	3 Months Ended
Property, Plant and Equipment - Narrative (Details)	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