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Oil And Gas Properties - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [line items] |  |
Capital commitments | $ 7,762 | $ 7,875
Bottom of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 5 years |
Top of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 50 years |
Buildings [member] | Bottom of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 24 years |
Buildings [member] | Top of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 50 years |
Plant and equipment [member] | Bottom of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 2 years |
Plant and equipment [member] | Top of range [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Useful life of assets | 40 years |

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- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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- Details
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- Details
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- Details
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