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Basis of Presentation - Additional Information (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024	Jul. 18, 2025
Chevron | Subsequent Event
Accounting Policies [Line Items]
Ownership percentage			37.80%
Hess Corporation and GIP II Blue Holding, L.P.
Accounting Policies [Line Items]
Noncontrolling interest percentage	37.60%	52.30%

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Accounting policies.

+ References

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- Definition

Limited liability company LLC or limited partnership LP managing member or general partner ownership non-controlling economic interest.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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