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Taxes - Summary of Reconciliation of Effective and Applicable Income Tax Expenses (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2024
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%

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of reconciliation of effective and applicable income tax expenses.

+ References

No definition available.

+ Details

Name:	wds_DisclosureOfReconciliationOfEffectiveAndApplicableIncomeTaxExpensesLineItems
Namespace Prefix:	wds_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	wds_TypeOfTaxAxis=wds_PetroleumResourceRentTaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	wds_TypeOfTaxAxis=wds_IncomeTaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: