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Other Reserves - Summary of Information About Other Reserves (Parenthetical) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Disclosure of reserves within equity [line items]
Transfer from retained earnings to distributable profit reserves	$ 1,400
Payment Of Interim Dividend [Member]
Disclosure of reserves within equity [line items]
Dividend paid ordinary shares	$ 2,449

X

- 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

X

- Definition

The amount of dividends paid by the entity on ordinary shares. [Refer: Ordinary shares [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 34
-IssueDate 2024-01-01
-Paragraph 16A
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2024-en-r&anchor=para_16A_f&doctype=Standard
-URIDate 2024-03-27

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Definition

Transfer from retained earnings to distributable profit reserves.

+ References

No definition available.

+ Details

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Namespace Prefix:	wds_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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