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Additional Information - Summary of Results from Operation from Oil and Gas Production Activities (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure In Tabular Form Of Results Of Operation From Oil And Gas Production Activities [Line Items] |  |  |
Valuation provision recovery | $ 900 | $ 1,048 | $ 5,269
Petroleum Resource Rent Tax [member] |  |  |
Disclosure In Tabular Form Of Results Of Operation From Oil And Gas Production Activities [Line Items] |  |  |
Deferred tax expense/(benefit) | $ (814) | $ 297 | $ (439)

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- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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