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

The amount of provision for legal proceedings. [Refer: Other provisions]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2025-01-01
-Section Example 10 A court case
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex10_TI
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2025-01-01
-Paragraph 87
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_87&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_LegalProceedingsProvision
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of loans received from banks that have not been secured by collateral. [Refer: Loans received]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_UnsecuredBankLoansReceived
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	wf_ContingentLiabilityForGuarantees
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	wf_ContractualOutstandingsOfLoanCommitments
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

financial guarantees.

No definition available.

Name:	wf_FinancialGuarantees
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

litigation value.

No definition available.

Name:	wf_LitigationValue
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Maximum borrowing unused amount.

No definition available.

Name:	wf_MaximumBorrowingUnusedAmount
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Number of cases as defendant.

No definition available.

Name:	wf_NumberOfCasesAsDefendant
Namespace Prefix:	wf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

Name:	wf_OtherCommitments
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_PaymentGuaranteesForLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_AcceptancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_LetterOfGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_OtherConfirmedPaymentGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_ConfirmedAcceptancesAndPaymentGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_GuaranteesOfDomesticLetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_GuaranteesOfForeignLetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_OtherUnconfirmedPaymentGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=wf_UnconfirmedAcceptancesAndPaymentGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: