Earnings/(Losses) Per Share - Additional Information (Detail) - shares	12 Months Ended
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

The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options.

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

Name:	ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration