Property, Plant and Equipment - Additional Information (Detail) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($) well	Dec. 31, 2023 USD ($)
Capitalized Exploratory Well Costs [Line Items]
Capitalized exploratory well costs	$ 1,017	$ 952
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 812
Stabroek Block, Offshore Guyana
Capitalized Exploratory Well Costs [Line Items]
Project interest percentage	30.00%
Exploration and appraisal wells \| well	37
Capitalized exploratory well costs	$ 904
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 115
Capitalized well costs percentage	88.00%
Block 42, Suriname
Capitalized Exploratory Well Costs [Line Items]
Project interest percentage	33.00%
Capitalized well costs percentage	5.00%
JDA, Gulf of Thailand
Capitalized Exploratory Well Costs [Line Items]
Project interest percentage	50.00%
Capitalized well costs percentage	5.00%
Number of successful exploration wells drilled \| well	3
North Malay Basin, Offshore Peninsular Malaysia
Capitalized Exploratory Well Costs [Line Items]
Project interest percentage	50.00%
Capitalized well costs percentage	2.00%
Number of successful exploration wells drilled \| well	2

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Project interest percentage.

+ References

No definition available.

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- Definition

Number of exploratory wells capable of producing either oil or gas in sufficient quantity to justify installation of permanent equipment for production.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1205
-Paragraph a
-Subparagraph (1)
-Publisher SEC

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- Definition

Number of oil and gas wells with process of drilling being temporarily suspended.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1206
-Paragraph a
-Publisher SEC

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii)(B)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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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://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477215/932-235-50-1B

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477215/932-235-50-1B

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