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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, 2022 | Dec. 31, 2020
Changes in Capitalized Well Costs |  |  |  |
Beginning balance | $ 0 | $ 0 | $ 14 | $ 7
Additions pending the determination of proved reserves | 0 | 24 | 1 | 0
Divestitures and other | 0 | 0 | 0 | 0
Reclassifications to proved properties | 0 | (10) | 0 | 0
Charges to exploration expense | 0 | 0 | (5) | (7)
Ending balance | $ 0 | $ 14 | $ 10 | $ 0

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- Definition Capitalized Exploratory Well Cost, Divestitures Pending Determination of Proved Reserves + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6806780-109447 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6806780-109447 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6806780-109447 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6806780-109447 + Details
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