Capitalized Exploratory Well Costs - Changes In Capitalized Well Costs (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Changes in Capitalized Well Costs
Balance, beginning of period	$ 0	$ 0	$ 10	$ 14
Additions pending the determination of proved reserves	0	24	0	1
Divestitures and other	0	0	(10)	0
Reclassifications to proved properties	0	(10)	0	0
Charges to exploration expense	0	0	0	(5)
Balance, end of period	$ 0	$ 14	$ 0	$ 10

Capitalized Exploratory Well Cost, Divestitures Pending Determination of Proved Reserves

No definition available.

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- Definition

Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482274/932-235-50-1B

+ Details

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 932
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482274/932-235-50-1B

+ Details

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482274/932-235-50-1B

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482274/932-235-50-1B

+ Details

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