WESTPAC BANKING CORP2025-03-310000719245--09-302025Q2false00007192452024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2026Member2024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2024-04-012024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2024Member2024-04-012024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2023-10-012024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2024Member2023-10-012024-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:ReportedProbabilityWeightedEclMember2024-10-012025-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentDownsideEclMember2024-10-012025-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentBaseCaseEclMember2024-10-012025-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:ReportedProbabilityWeightedEclMember2024-04-012024-09-300000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentDownsideEclMember2024-04-012024-09-300000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentBaseCaseEclMember2024-04-012024-09-300000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:ReportedProbabilityWeightedEclMember2023-10-012024-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentDownsideEclMember2023-10-012024-03-310000719245ifrs-full:AllowanceForCreditLossesMemberwebnf:HundredPercentBaseCaseEclMember2023-10-012024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-03-310000719245webnf:WestpacBankPNGLimitedMember2024-04-012024-09-300000719245webnf:UpsideScenarioMember2024-10-012025-03-310000719245webnf:UpsideScenarioMember2024-04-012024-09-300000719245webnf:DownsideScenarioMember2024-04-012024-09-300000719245webnf:BaseCaseScenarioMember2024-04-012024-09-300000719245webnf:UpsideScenarioMember2023-10-012024-03-310000719245webnf:DownsideScenarioMember2023-10-012024-03-310000719245webnf:BaseCaseScenarioMember2023-10-012024-03-310000719245country:NZwebnf:TimeBandCalendarYear2026Member2024-10-012025-03-310000719245country:NZwebnf:TimeBandCalendarYear2025Member2024-10-012025-03-310000719245country:NZwebnf:TimeBandCalendarYear2025Member2024-04-012024-09-300000719245country:NZwebnf:TimeBandCalendarYear2024Member2024-04-012024-09-300000719245country:NZwebnf:TimeBandCalendarYear2025Member2023-10-012024-03-310000719245country:NZwebnf:TimeBandCalendarYear2024Member2023-10-012024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2026Member2024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2025Member2024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2025Member2024-04-012024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2024Member2024-04-012024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2025Member2023-10-012024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandCalendarYear2024Member2023-10-012024-03-310000719245ifrs-full:OrdinarySharesMember2025-04-022025-04-020000719245ifrs-full:ContingentLiabilityForGuaranteesMemberwebnf:GuaranteesTrancheTwoMember2025-03-310000719245ifrs-full:ContingentLiabilityForGuaranteesMemberwebnf:GuaranteesTrancheOneMember2025-03-310000719245webnf:SegmentBusinessAndWealthMember2025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZ2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:PersonalLoansAndCardsMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:HousingLoansMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:BusinessLoansMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMember2024-10-012025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:PersonalLoansAndCardsMember2025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:HousingLoansMember2025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:BusinessLoansMember2025-03-310000719245ifrs-full:GrossCarryingAmountMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMember2025-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZ2025-03-310000719245ifrs-full:AccumulatedImpairmentMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansMember2025-03-310000719245ifrs-full:GrossCarryingAmountMember2025-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2024-09-300000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-09-300000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2024-09-300000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:PersonalLoansAndCardsMember2024-09-300000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:HousingLoansMember2024-09-300000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:BusinessLoansMember2024-09-300000719245ifrs-full:GrossCarryingAmountMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMember2024-09-300000719245ifrs-full:GrossCarryingAmountMembercountry:NZ2024-09-300000719245ifrs-full:AccumulatedImpairmentMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansMember2024-09-300000719245ifrs-full:GrossCarryingAmountMember2024-09-300000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2024-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2024-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:PersonalLoansAndCardsMember2024-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:HousingLoansMember2024-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZwebnf:BusinessLoansMember2024-03-310000719245ifrs-full:GrossCarryingAmountMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245ifrs-full:GrossCarryingAmountMemberifrs-full:CountryOfDomicileMember2024-03-310000719245ifrs-full:GrossCarryingAmountMembercountry:NZ2024-03-310000719245ifrs-full:AccumulatedImpairmentMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansMember2024-03-310000719245ifrs-full:GrossCarryingAmountMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMember2024-04-012024-09-300000719245webnf:LoansAndCreditCommitmentsMember2023-10-012024-03-310000719245ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMemberifrs-full:DebtSecuritiesMember2023-10-012024-03-310000719245ifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:DebtSecuritiesMember2024-10-012025-03-310000719245ifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:DebtSecuritiesMember2024-04-012024-09-300000719245ifrs-full:FinancialAssetsAtAmortisedCostCategoryMemberifrs-full:DebtSecuritiesMember2023-10-012024-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:ShareRepurchaseOctober12024ToMarch312025Member2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:ShareRepurchaseMarch312025Member2024-10-012025-03-310000719245ifrs-full:LegalProceedingsContingentLiabilityMember2019-12-310000719245webnf:PerpetualPreferenceSharesMember2024-10-012025-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesIndividuallyAssessedMember2024-10-012025-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesCollectivelyAssessedMember2024-10-012025-03-310000719245ifrs-full:ProvisionForCreditCommitmentsMember2024-10-012025-03-310000719245webnf:PortfolioOverlayRetailCreditExposureMember2024-10-012025-03-310000719245webnf:PortfolioOverlayNonRetailCreditExposureMember2024-10-012025-03-310000719245webnf:ExtremeWeatherEventsMember2024-10-012025-03-310000719245webnf:PortfolioOverlayRetailCreditExposureMember2024-04-012024-09-300000719245webnf:PortfolioOverlayNonRetailCreditExposureMember2024-04-012024-09-300000719245webnf:ExtremeWeatherEventsMember2024-04-012024-09-300000719245webnf:PortfolioOverlayRetailCreditExposureMember2023-10-012024-03-310000719245webnf:PortfolioOverlayNonRetailCreditExposureMember2023-10-012024-03-310000719245webnf:ExtremeWeatherEventsMember2023-10-012024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2026Member2025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2025-03-310000719245country:NZwebnf:TimeBandDecember2026Member2025-03-310000719245country:NZwebnf:TimeBandDecember2025Member2025-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2024Member2024-09-300000719245country:NZwebnf:TimeBandDecember2025Member2024-09-300000719245country:NZwebnf:TimeBandDecember2024Member2024-09-300000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2025Member2024-03-310000719245ifrs-full:CountryOfDomicileMemberwebnf:TimeBandDecember2024Member2024-03-310000719245country:NZwebnf:TimeBandDecember2025Member2024-03-310000719245country:NZwebnf:TimeBandDecember2024Member2024-03-310000719245webnf:OtherInterestBearingTransactionsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:OtherInterestBearingTransactionsMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:OtherInterestBearingTransactionsMembercountry:NZ2024-10-012025-03-310000719245webnf:OtherInterestBearingTermMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:OtherInterestBearingTermMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:OtherInterestBearingTermMembercountry:NZ2024-10-012025-03-310000719245webnf:OtherInterestBearingSavingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:OtherInterestBearingSavingsMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:OtherInterestBearingSavingsMembercountry:NZ2024-10-012025-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:NonInterestBearingRepayableAtCallMembercountry:NZ2024-10-012025-03-310000719245webnf:IfrsCertificatesOfDepositMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:IfrsCertificatesOfDepositMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:IfrsCertificatesOfDepositMembercountry:NZ2024-10-012025-03-310000719245webnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245ifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245country:NZ2024-10-012025-03-310000719245webnf:OtherInterestBearingTransactionsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245webnf:OtherInterestBearingTransactionsMemberifrs-full:CountryOfDomicileMember2025-03-310000719245webnf:OtherInterestBearingTransactionsMembercountry:NZ2025-03-310000719245webnf:OtherInterestBearingTermMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245webnf:OtherInterestBearingTermMemberifrs-full:CountryOfDomicileMember2025-03-310000719245webnf:OtherInterestBearingTermMembercountry:NZ2025-03-310000719245webnf:OtherInterestBearingSavingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245webnf:OtherInterestBearingSavingsMemberifrs-full:CountryOfDomicileMember2025-03-310000719245webnf:OtherInterestBearingSavingsMembercountry:NZ2025-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberifrs-full:CountryOfDomicileMember2025-03-310000719245webnf:NonInterestBearingRepayableAtCallMembercountry:NZ2025-03-310000719245webnf:IfrsCertificatesOfDepositMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245webnf:IfrsCertificatesOfDepositMemberifrs-full:CountryOfDomicileMember2025-03-310000719245webnf:IfrsCertificatesOfDepositMembercountry:NZ2025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2025-03-310000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2025-03-310000719245webnf:PacificIslandsAsiaAmericasAndEuropeMember2025-03-310000719245ifrs-full:CountryOfDomicileMember2025-03-310000719245country:NZ2025-03-310000719245webnf:OtherInterestBearingTransactionsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245webnf:OtherInterestBearingTransactionsMemberifrs-full:CountryOfDomicileMember2024-09-300000719245webnf:OtherInterestBearingTransactionsMembercountry:NZ2024-09-300000719245webnf:OtherInterestBearingTermMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245webnf:OtherInterestBearingTermMemberifrs-full:CountryOfDomicileMember2024-09-300000719245webnf:OtherInterestBearingTermMembercountry:NZ2024-09-300000719245webnf:OtherInterestBearingSavingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245webnf:OtherInterestBearingSavingsMemberifrs-full:CountryOfDomicileMember2024-09-300000719245webnf:OtherInterestBearingSavingsMembercountry:NZ2024-09-300000719245webnf:NonInterestBearingRepayableAtCallMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245webnf:NonInterestBearingRepayableAtCallMemberifrs-full:CountryOfDomicileMember2024-09-300000719245webnf:NonInterestBearingRepayableAtCallMembercountry:NZ2024-09-300000719245webnf:IfrsCertificatesOfDepositMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245webnf:IfrsCertificatesOfDepositMemberifrs-full:CountryOfDomicileMember2024-09-300000719245webnf:IfrsCertificatesOfDepositMembercountry:NZ2024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2024-09-300000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2024-09-300000719245webnf:PacificIslandsAsiaAmericasAndEuropeMember2024-09-300000719245ifrs-full:CountryOfDomicileMember2024-09-300000719245country:NZ2024-09-300000719245webnf:OtherInterestBearingTransactionsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245webnf:OtherInterestBearingTransactionsMemberifrs-full:CountryOfDomicileMember2024-03-310000719245webnf:OtherInterestBearingTransactionsMembercountry:NZ2024-03-310000719245webnf:OtherInterestBearingTermMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245webnf:OtherInterestBearingTermMemberifrs-full:CountryOfDomicileMember2024-03-310000719245webnf:OtherInterestBearingTermMembercountry:NZ2024-03-310000719245webnf:OtherInterestBearingSavingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245webnf:OtherInterestBearingSavingsMemberifrs-full:CountryOfDomicileMember2024-03-310000719245webnf:OtherInterestBearingSavingsMembercountry:NZ2024-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245webnf:NonInterestBearingRepayableAtCallMemberifrs-full:CountryOfDomicileMember2024-03-310000719245webnf:NonInterestBearingRepayableAtCallMembercountry:NZ2024-03-310000719245webnf:IfrsCertificatesOfDepositMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245webnf:IfrsCertificatesOfDepositMemberifrs-full:CountryOfDomicileMember2024-03-310000719245webnf:IfrsCertificatesOfDepositMembercountry:NZ2024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2024-03-310000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2024-03-310000719245webnf:PacificIslandsAsiaAmericasAndEuropeMember2024-03-310000719245ifrs-full:CountryOfDomicileMember2024-03-310000719245country:NZ2024-03-310000719245ifrs-full:OrdinarySharesMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMember2024-04-012024-09-300000719245ifrs-full:OrdinarySharesMember2023-10-012024-03-310000719245webnf:DerivativeFinancialAssetsMember2024-10-012025-03-310000719245webnf:AllOtherAssetsNotSeparatelyDisclosedMember2024-10-012025-03-310000719245webnf:DerivativeFinancialAssetsMember2024-04-012024-09-300000719245webnf:AllOtherAssetsNotSeparatelyDisclosedMember2024-04-012024-09-300000719245webnf:DerivativeFinancialAssetsMember2023-10-012024-03-310000719245webnf:AllOtherAssetsNotSeparatelyDisclosedMember2023-10-012024-03-310000719245webnf:DerivativeFinancialLiabilitiesMember2024-10-012025-03-310000719245webnf:AllOtherLiabilitiesNotSeparatelyDisclosedMember2024-10-012025-03-310000719245webnf:DerivativeFinancialLiabilitiesMember2024-04-012024-09-300000719245webnf:AllOtherLiabilitiesNotSeparatelyDisclosedMember2024-04-012024-09-300000719245webnf:DerivativeFinancialLiabilitiesMember2023-10-012024-03-310000719245webnf:AllOtherLiabilitiesNotSeparatelyDisclosedMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:PersonalLoansAndCardsMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:PersonalLoansAndCardsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:IfrsCertificatesOfDepositMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTermMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:IfrsCertificatesOfDepositMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTermMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:IfrsCertificatesOfDepositMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTermMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsSavingsMember2024-10-012025-03-310000719245webnf:OtherInterestBearingLiabilitiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:OtherInterestBearingLiabilitiesMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:OtherInterestBearingLiabilitiesMembercountry:NZ2024-10-012025-03-310000719245webnf:LoanCapitalMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:LoanCapitalMembercountry:NZ2024-10-012025-03-310000719245webnf:IfrsRepurchaseAgreementsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:IfrsRepurchaseAgreementsMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:IfrsRepurchaseAgreementsMembercountry:NZ2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZ2024-10-012025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:IfrsCertificatesOfDepositMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTermMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:IfrsCertificatesOfDepositMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTermMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:IfrsCertificatesOfDepositMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTransactionsMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTermMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsSavingsMember2024-04-012024-09-300000719245webnf:OtherInterestBearingLiabilitiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:OtherInterestBearingLiabilitiesMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:OtherInterestBearingLiabilitiesMembercountry:NZ2024-04-012024-09-300000719245webnf:LoanCapitalMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:LoanCapitalMembercountry:NZ2024-04-012024-09-300000719245webnf:IfrsRepurchaseAgreementsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:IfrsRepurchaseAgreementsMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:IfrsRepurchaseAgreementsMembercountry:NZ2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZ2024-04-012024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:IfrsCertificatesOfDepositMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsTermMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:IfrsCertificatesOfDepositMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTransactionsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsTermMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMemberwebnf:DepositsAndOtherBorrowingsSavingsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:IfrsCertificatesOfDepositMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTransactionsMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsTermMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZwebnf:DepositsAndOtherBorrowingsSavingsMember2023-10-012024-03-310000719245webnf:OtherInterestBearingLiabilitiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:OtherInterestBearingLiabilitiesMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:OtherInterestBearingLiabilitiesMembercountry:NZ2023-10-012024-03-310000719245webnf:LoanCapitalMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:LoanCapitalMembercountry:NZ2023-10-012024-03-310000719245webnf:IfrsRepurchaseAgreementsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:IfrsRepurchaseAgreementsMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:IfrsRepurchaseAgreementsMembercountry:NZ2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:DepositsAndOtherBorrowingsMembercountry:NZ2023-10-012024-03-310000719245webnf:DownsideScenarioMember2024-10-012025-03-310000719245webnf:BaseCaseScenarioMember2024-10-012025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:WestpacPerformancePlanShareRightsExercisedMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:WestpacOnMarketSharePurchaseForFutureShareRightsExercisesAndRestrictedSharesAllocationsMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:WestpacEquityIncentivePlanUnhurdledShareRightsExercisedMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:WestpacEquityIncentivePlanRestrictedSharesMember2024-10-012025-03-310000719245ifrs-full:OrdinarySharesMemberwebnf:EmployeeSharePlanMember2024-10-012025-03-310000719245webnf:PerpetualPreferenceSharesMemberwebnf:WestpacNewZealandLimitedMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:HousingLoansMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:BusinessLoansMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:PersonalLoansAndCardsMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:HousingLoansMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:BusinessLoansMember2024-10-012025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMembercountry:NZ2024-10-012025-03-310000719245webnf:OtherInterestEarningAssetsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:OtherInterestEarningAssetsMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:OtherInterestEarningAssetsMembercountry:NZ2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZ2024-10-012025-03-310000719245webnf:InvestmentSecuritiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-10-012025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:CountryOfDomicileMember2024-10-012025-03-310000719245webnf:InvestmentSecuritiesMembercountry:NZ2024-10-012025-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:PersonalLoansAndCardsMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:HousingLoansMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:BusinessLoansMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:PersonalLoansAndCardsMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:HousingLoansMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:BusinessLoansMember2024-04-012024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMembercountry:NZ2024-04-012024-09-300000719245webnf:OtherInterestEarningAssetsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:OtherInterestEarningAssetsMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:OtherInterestEarningAssetsMembercountry:NZ2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZ2024-04-012024-09-300000719245webnf:InvestmentSecuritiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2024-04-012024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:CountryOfDomicileMember2024-04-012024-09-300000719245webnf:InvestmentSecuritiesMembercountry:NZ2024-04-012024-09-300000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:HousingLoansMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMemberwebnf:BusinessLoansMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:PersonalLoansAndCardsMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:HousingLoansMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMemberwebnf:BusinessLoansMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:PersonalLoansAndCardsMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:HousingLoansMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZwebnf:BusinessLoansMember2023-10-012024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMembercountry:NZ2023-10-012024-03-310000719245webnf:OtherInterestEarningAssetsMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:OtherInterestEarningAssetsMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:OtherInterestEarningAssetsMembercountry:NZ2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:LoansReceivablesNetOfStageThreeProvisionForExpectedCreditLossMembercountry:NZ2023-10-012024-03-310000719245webnf:InvestmentSecuritiesMemberwebnf:PacificIslandsAsiaAmericasAndEuropeMember2023-10-012024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:CountryOfDomicileMember2023-10-012024-03-310000719245webnf:InvestmentSecuritiesMembercountry:NZ2023-10-012024-03-310000719245webnf:RestructuringAndOtherProvisionsMember2025-03-310000719245webnf:LongServiceLeaveMember2025-03-310000719245webnf:LeaseholdPremisesMember2025-03-310000719245webnf:ComplianceRegulationAndRemediationProvisionsMember2025-03-310000719245webnf:AnnualLeaveAndOtherEmployeeBenefitsMember2025-03-310000719245ifrs-full:ProvisionForCreditCommitmentsMember2025-03-310000719245webnf:RestructuringAndOtherProvisionsMember2024-09-300000719245webnf:LongServiceLeaveMember2024-09-300000719245webnf:LeaseholdPremisesMember2024-09-300000719245webnf:ComplianceRegulationAndRemediationProvisionsMember2024-09-300000719245webnf:AnnualLeaveAndOtherEmployeeBenefitsMember2024-09-300000719245ifrs-full:ProvisionForCreditCommitmentsMember2024-09-300000719245ifrs-full:OrdinarySharesMember2025-03-310000719245ifrs-full:OrdinarySharesMember2024-09-300000719245ifrs-full:OrdinarySharesMember2024-03-310000719245ifrs-full:OrdinarySharesMember2023-09-300000719245ifrs-full:UnallocatedAmountsMember2024-10-012025-03-310000719245ifrs-full:UnallocatedAmountsMember2024-04-012024-09-300000719245ifrs-full:UnallocatedAmountsMember2023-10-012024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2024-10-012025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2024-10-012025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2024-04-012024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2024-04-012024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2023-10-012024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2023-10-012024-03-310000719245webnf:ConsumerBankMember2023-10-012024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-10-012025-03-310000719245webnf:DerivativeAndOtherAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-10-012025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-10-012025-03-310000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-10-012025-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DebtIssuesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DebtIssuesMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DebtIssuesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DebtIssuesMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DebtIssuesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DebtIssuesMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2025-03-310000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:LoanCapitalMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:DebtIssuesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:CollateralReceivedMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:DerivativeFinancialLiabilitiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-09-300000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:LoanCapitalMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:DebtIssuesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:CollateralReceivedMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:OtherFinancialLiabilitiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:LoanCapitalMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:DepositsAndOtherBorrowingsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:DebtIssuesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:CollateralReceivedMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245ifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245ifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245ifrs-full:RecurringFairValueMeasurementMember2025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:IfrsLoansReceivableMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:IfrsLoansReceivableMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:IfrsLoansReceivableMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:DerivativeFinancialAssetsMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245ifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245ifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245ifrs-full:RecurringFairValueMeasurementMember2024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:DerivativeFinancialAssetsMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245ifrs-full:Level2OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245ifrs-full:Level1OfFairValueHierarchyMemberifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245ifrs-full:RecurringFairValueMeasurementMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageOneMember2025-03-310000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2025-03-310000719245webnf:DerivativeAndOtherAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2025-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesIndividuallyAssessedMember2025-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesCollectivelyAssessedMember2025-03-310000719245webnf:OtherFinancialAssetsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2025-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:DebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMember2025-03-310000719245webnf:DebtSecuritiesAtAmortisedCostMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtAmortizedCostMember2025-03-310000719245webnf:CollateralPaidMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:CashAndBalancesWithCentralBanksMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2025-03-310000719245webnf:TotalProvisionsForExpectedCreditLossesMember2025-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansMember2025-03-310000719245ifrs-full:ProvisionForCreditCommitmentsMember2025-03-310000719245ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageOneMember2024-09-300000719245webnf:TradingSecuritiesAndFinancialAssetsDesignatedAtFairValueMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-09-300000719245webnf:DerivativeAndOtherAssetsMemberifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-09-300000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesIndividuallyAssessedMember2024-09-300000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesCollectivelyAssessedMember2024-09-300000719245webnf:OtherFinancialAssetsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2024-09-300000719245webnf:InvestmentSecuritiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:IfrsLoansReceivableMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:DebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMember2024-09-300000719245webnf:DebtSecuritiesAtAmortisedCostMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtAmortizedCostMember2024-09-300000719245webnf:CollateralPaidMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:CashAndBalancesWithCentralBanksMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245ifrs-full:Level3OfFairValueHierarchyMemberifrs-full:AtFairValueMember2024-09-300000719245webnf:TotalProvisionsForExpectedCreditLossesMember2024-09-300000719245webnf:ProvisionsForExpectedCreditLossesOnLoansMember2024-09-300000719245ifrs-full:ProvisionForCreditCommitmentsMember2024-09-300000719245ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:PersonalLoansAndCardsMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:HousingLoansMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:BusinessLoansMember2024-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesIndividuallyAssessedMember2024-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberifrs-full:ExpectedCreditLossesCollectivelyAssessedMember2024-03-310000719245webnf:OtherFinancialAssetsMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2024-03-310000719245webnf:InvestmentSecuritiesMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:IfrsLoansReceivableMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:DebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtFairValueThroughOtherComprehensiveIncomeMember2024-03-310000719245webnf:DebtSecuritiesAtAmortisedCostMemberwebnf:ProvisionsForExpectedCreditLossesOnDebtSecuritiesAtAmortizedCostMember2024-03-310000719245webnf:CollateralPaidMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:CashAndBalancesWithCentralBanksMemberifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:TotalProvisionsForExpectedCreditLossesMember2024-03-310000719245webnf:ProvisionsForExpectedCreditLossesOnLoansMember2024-03-310000719245ifrs-full:ProvisionForCreditCommitmentsMember2024-03-310000719245ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember2024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageTwoMember2023-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2023-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageOneMember2023-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2023-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2024-10-012025-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2024-04-012024-09-300000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacNewZealandMember2023-10-012024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:WestpacInstitutionalBankMember2023-10-012024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentGroupBusinessesMember2023-10-012024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:SegmentBusinessAndWealthMember2023-10-012024-03-310000719245ifrs-full:OperatingSegmentsMemberwebnf:ConsumerBankMember2023-10-012024-03-310000719245ifrs-full:OperatingSegmentsMemberifrs-full:ReportableSegmentsMember2023-10-012024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2025-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2025-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-09-300000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2024-09-300000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:WeakCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:StrongCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:GoodOrSatisfactoryCreditGradeMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:PersonalLoansAndCardsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:HousingLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansExcludingLoansIncludedInAssetsHeldForSaleMemberwebnf:BusinessLoansMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:WeakCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:StrongCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberwebnf:GoodOrSatisfactoryCreditGradeMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageTwoMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageThreeMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMemberwebnf:StageOneMember2024-03-310000719245webnf:UndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LoansAndUndrawnCreditCommitmentsMemberifrs-full:CreditRiskMember2024-03-310000719245webnf:LegalProceedingsClassActionCommencedAgainstWestpacAndSt.GeorgeFinanceLimitedMember2025-03-310000719245ifrs-full:RetainedEarningsMember2025-03-310000719245ifrs-full:OtherReservesMember2025-03-310000719245ifrs-full:NoncontrollingInterestsMember2025-03-310000719245ifrs-full:IssuedCapitalMember2025-03-310000719245ifrs-full:EquityAttributableToOwnersOfParentMember2025-03-310000719245ifrs-full:RetainedEarningsMember2024-09-300000719245ifrs-full:OtherReservesMember2024-09-300000719245ifrs-full:NoncontrollingInterestsMember2024-09-300000719245ifrs-full:IssuedCapitalMember2024-09-300000719245ifrs-full:EquityAttributableToOwnersOfParentMember2024-09-300000719245ifrs-full:RetainedEarningsMember2024-03-310000719245ifrs-full:OtherReservesMember2024-03-310000719245ifrs-full:NoncontrollingInterestsMember2024-03-310000719245ifrs-full:IssuedCapitalMember2024-03-310000719245ifrs-full:EquityAttributableToOwnersOfParentMember2024-03-310000719245ifrs-full:RetainedEarningsMember2023-09-300000719245ifrs-full:OtherReservesMember2023-09-300000719245ifrs-full:NoncontrollingInterestsMember2023-09-300000719245ifrs-full:IssuedCapitalMember2023-09-300000719245ifrs-full:EquityAttributableToOwnersOfParentMember2023-09-300000719245webnf:LoansAndCreditCommitmentsMember2024-10-012025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2024-10-012025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2024-10-012025-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2024-04-012024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2024-04-012024-09-300000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMemberwebnf:StageThreeMember2023-10-012024-03-310000719245webnf:LoansAndCreditCommitmentsMemberwebnf:ProvisionsForExpectedCreditLossesOnLoansAndCreditCommitmentsMember2023-10-012024-03-310000719245ifrs-full:RetainedEarningsMember2024-10-012025-03-310000719245ifrs-full:OtherReservesMember2024-10-012025-03-310000719245ifrs-full:NoncontrollingInterestsMember2024-10-012025-03-310000719245ifrs-full:IssuedCapitalMember2024-10-012025-03-310000719245ifrs-full:EquityAttributableToOwnersOfParentMember2024-10-012025-03-310000719245ifrs-full:RetainedEarningsMember2024-04-012024-09-300000719245ifrs-full:OtherReservesMember2024-04-012024-09-300000719245ifrs-full:NoncontrollingInterestsMember2024-04-012024-09-300000719245ifrs-full:IssuedCapitalMember2024-04-012024-09-300000719245ifrs-full:EquityAttributableToOwnersOfParentMember2024-04-012024-09-300000719245ifrs-full:RetainedEarningsMember2023-10-012024-03-310000719245ifrs-full:OtherReservesMember2023-10-012024-03-310000719245ifrs-full:NoncontrollingInterestsMember2023-10-012024-03-310000719245ifrs-full:IssuedCapitalMember2023-10-012024-03-310000719245ifrs-full:EquityAttributableToOwnersOfParentMember2023-10-012024-03-3100007192452023-09-3000007192452025-03-3100007192452024-09-3000007192452024-03-310000719245webnf:AutoAndVendorFinanceCashGeneratingUnitsMember2025-03-012025-03-010000719245webnf:RestructuringAndOtherProvisionsMember2024-10-012025-03-310000719245webnf:LongServiceLeaveMember2024-10-012025-03-310000719245webnf:LeaseholdPremisesMember2024-10-012025-03-310000719245webnf:ComplianceRegulationAndRemediationProvisionsMember2024-10-012025-03-310000719245webnf:AnnualLeaveAndOtherEmployeeBenefitsMember2024-10-012025-03-310000719245ifrs-full:ProvisionForCreditCommitmentsMember2024-10-012025-03-3100007192452024-04-012024-09-3000007192452023-10-012024-03-31iso4217:AUDxbrli:sharesxbrli:pureiso4217:AUDxbrli:sharesiso4217:NZDwebnf:item

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

May 6, 2025

Commission File Number 1-10167

WESTPAC BANKING CORPORATION

(Translation of registrant’s name into English)

275 KENT STREET, SYDNEY, NEW SOUTH WALES 2000, AUSTRALIA

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F

    

Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):                      

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):                      

Incorporation by Reference

The information contained in Exhibit 1 to this Report on Form 6-K (excluding the “Independent auditor’s review report to the members of Westpac Banking Corporation” on pages 111 and 112 of such Exhibit) and Exhibit 101 to this Report on Form 6-K shall be incorporated by reference in the prospectuses relating to the Registrant’s securities contained in the Registrant’s Registration Statements on Form F-3 (File Nos. 333-283007 and 333-283008), as such prospectuses may be amended or supplemented from time to time.

Index to Exhibits

Exhibit

    

No.

Description

1

2025 Interim Financial Results – prepared for distribution in the United States of America

101.INS

Inline XBRL Instance Document

101.SCH

Inline XBRL Taxonomy Extension Schema Document

101.CAL

Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF

Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB

Inline XBRL Taxonomy Extension Labels Linkbase Document

101.PRE

Inline XBRL Taxonomy Extension Presentation Linkbase Document

104

Cover Page Interactive Data File (formatted in inline XBRL and contained in Exhibit 101)

Disclosure regarding forward-looking statements

The information contained in this Report on Form 6-K contains statements that constitute “forward-looking statements” within the meaning of section 21E of the U.S. Securities Exchange Act of 1934.

Forward-looking statements are statements that are not historical facts. Forward-looking statements appear in a number of places in this Report and include statements regarding our current intent, belief or expectations with respect to our business and operations, macro and micro economic and market conditions, results of operations and financial condition and performance, capital adequacy and liquidity and risk management, including, without limitation, future loan loss provisions and financial support to certain borrowers, forecasted economic indicators and performance metric outcomes, indicative drivers, climate- and other sustainability-related statements, commitments, targets, projections and metrics, and other estimated and proxy data.

Words such as ‘will’, ‘may’, ‘expect’, ‘intend’, ‘seek’, ‘would’, ‘should’, ‘could’, ‘continue’, ‘plan’, ‘estimate’, ‘anticipate’, ‘believe’, ‘probability’, ‘indicative’, ‘risk’, ‘aim’, ‘outlook’, ‘forecast’, ‘assumption’, ‘projection’, ‘target’, ‘goal’, ‘guidance’, ‘objective’, ‘ambition’ or other similar words, are used to identify forward-looking statements. These statements reflect our current views on future events and are subject to change, certain known and unknown risks, uncertainties and assumptions and other factors which are, in many instances, beyond our control (and the control of our officers, employees, agents and advisors), and have been made based on management’s and/or the Board’s current expectations or beliefs concerning future developments and their potential effect upon Westpac.

Forward-looking statements may also be made, verbally or in writing, by members of Westpac’s management or Board in connection with this Report. Such statements are subject to the same limitations, uncertainties, assumptions and disclaimers set out in this Report.

There can be no assurance that future developments or performance will align with our expectations or that the effect of future developments on us will be those anticipated. Actual results could differ materially from those we expect or which are expressed or implied in forward-looking statements, depending on various factors including, but not limited to, those described in the section titled ‘Risk factors’ in Westpac’s 2025 Interim Financial Results on Form 6-K filed with the U.S. Securities and Exchange Commission. When relying on forward-looking statements to make decisions with respect to us, investors and others relying on information in this Report should carefully consider such factors and other uncertainties and events.

Except as required by law, we assume no obligation to revise or update any forward-looking statements in this Report, whether from new information, future events, conditions, or otherwise, after the date of this Report.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

WESTPAC BANKING CORPORATION

(Registrant)

Date: May 6, 2025

By:

/s/ Esther Choi

Esther Choi

Tier One Attorney