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Earnings/(Losses) Per Share - Additional Information (Detail) - shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Earnings per share [line items] |  |  |
Dilutive effect of share options on number of ordinary shares | 13,061,376 | 9,023,439 |
Antidilutive shares |  |  | 9,392,203
Woodside Employee Share Plan [member] |  |  |
Earnings per share [line items] |  |  |
Dilutive effect of share options on number of ordinary shares | 13,061,376 | 9,023,439 |

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- Definition The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 70 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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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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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Antidilutive securities with dilutive effect not included in calculation of diluted earnings per share. + References No definition available. + Details
Name: | wds_AntidilutiveSecuritiesWithDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare
Namespace Prefix: | wds_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wds_WoodsideEmployeeSharePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |