XML 221 R128.htm IDEA: XBRL DOCUMENT
v3.22.4

Contributed equity - Summary of Information about Shares Reserved for Employee Share Plans (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Employee Share Plans [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Beginning balance, shares | 1,819,744 | 1,766,099 | 1,985,306
Beginning balance | $ (30) | $ (23) | $ (39)
Purchases during the year, shares | 2,232,589 | 2,683,469 | 2,242,345
Purchases during the year | $ (45) | $ (47) | $ (32)
Vested/allocated during the year, shares | (2,178,556) |  |
Vested/allocated during the year | $ 37 |  |
Vested during the year, shares |  | (2,629,824) | (2,461,552)
Vested during the year |  | $ 40 | $ 48
Ending balance, shares | 1,873,777 | 1,819,744 | 1,766,099
Ending balance | $ (38) | $ (30) | $ (23)
Dividend Reinvestment Plan [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Beginning balance, shares | 0 |  |
Beginning balance | $ 0 |  |
Purchases during the year, shares | 6,823,092 |  |
Purchases during the year | $ (144) |  |
Vested/allocated during the year, shares | (6,823,092) |  |
Vested/allocated during the year | $ 144 |  |
Ending balance, shares | 0 | 0 |
Ending balance | $ 0 | $ 0 |

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

X
- Definition The number of shares reserved for issue under options and contracts for the sale of shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph a -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_vii&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares outstanding value reserved for employee share plan. + References No definition available. + Details
Name: | wds_NumberOfSharesOutstandingValueReservedForEmployeeSharePlan
Namespace Prefix: | wds_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Shares reserved for employee share plan purchases. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanPurchases
Namespace Prefix: | wds_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares reserved for employee share plan purchases value. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanPurchasesValue
Namespace Prefix: | wds_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Shares reserved for employee share plan vested. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanVested
Namespace Prefix: | wds_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares reserved for employee share plan vested and issued. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanVestedAndIssued
Namespace Prefix: | wds_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares reserved for employee share plan vested and issued value. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanVestedAndIssuedValue
Namespace Prefix: | wds_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Shares reserved for employee share plan vested value. + References No definition available. + Details
Name: | wds_SharesReservedForEmployeeSharePlanVestedValue
Namespace Prefix: | wds_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | wds_PlanOneAxis=wds_EmployeeSharePlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | wds_PlanOneAxis=wds_DividendReinvestmentPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |