Represents capitalized well cost greater than one year attributable to project.

No definition available.

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- Definition

Exploratory dry hole costs incurred and expended during the year.

+ References

No definition available.

+ Details

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- Definition

Percentage of participation interest in exploration project.

+ References

No definition available.

+ Details

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- Definition

Well costs incurred and expensed in the same year.

+ References

No definition available.

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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

No definition available.

+ 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 http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

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- Definition

The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling.

+ 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 b
-URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

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Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Capitalized Exploratory Well Costs [Line Items]
Charge to write-off previously capitalized exploratory wells	$ 0	$ 14	$ 268
Well costs incurred and expensed	49	$ 151	$ 0
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 400
Stabroek Block, Offshore Guyana
Capitalized Exploratory Well Costs [Line Items]
Capitalized well costs percentage	50.00%
Shenzi Field, Gulf of Mexico
Capitalized Exploratory Well Costs [Line Items]
Project participation interest percentage	28.00%
Capitalized well costs percentage	30.00%
JDA, Gulf of Thailand
Capitalized Exploratory Well Costs [Line Items]
Project participation interest percentage	50.00%
Capitalized well costs percentage	10.00%
North Malay Basin, Offshore Peninsular Malaysia
Capitalized Exploratory Well Costs [Line Items]
Project participation interest percentage	50.00%
Capitalized well costs percentage	10.00%
Nova Scotia, Offshore Canada
Capitalized Exploratory Well Costs [Line Items]
Project participation interest percentage		50.00%
Charge to write-off previously capitalized exploratory wells		$ 120
Exploratory dry hole costs which were incurred and expensed		$ 106
Deepwater Tano/Cape Three Points license, Offshore Ghana
Capitalized Exploratory Well Costs [Line Items]
Project participation interest percentage			50.00%
Charge to write-off previously capitalized exploratory wells			$ 268