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Taxes - Summary of Reconciliation of Effective and Applicable Income Tax Expenses (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2022
Petroleum Resource Rent Tax [member] |
Disclosure Of Reconciliation Of Effective And Applicable Income Tax Expenses [Line Items] |
Applicable tax rate | 30.00%
Income Tax [Member] |
Disclosure Of Reconciliation Of Effective And Applicable Income Tax Expenses [Line Items] |
Applicable tax rate | 40.00%

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2022-03-24 + Details
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Period Type: | duration

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- Definition Disclosure of reconciliation of effective and applicable income tax expenses. + References No definition available. + Details
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Namespace Prefix: | wds_
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |