Name:	ifrs-full_DisclosureOfReconciliationOfChangesInInsuranceContractsByComponentsLineItems
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The increase (decrease) in insurance contracts liability (asset) resulting from additional items that may be necessary to understand the change in the net carrying amount of the insurance contracts. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_d&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughAdditionalItemsNecessaryToUnderstandChangeInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from cash flows. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_a&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughCashFlowsInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from the change in the risk adjustment for non-financial risk that does not relate to future service or past service. [Refer: Insurance contracts liability (asset); Risk adjustment for non-financial risk [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_b_ii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughChangeInRiskAdjustmentForNonfinancialRiskThatDoesNotRelateToFutureOrPastServiceInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from changes in estimates that adjust the contractual service margin. [Refer: Insurance contracts liability (asset); Contractual service margin [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_a_i&doctype=Standard
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Name:	ifrs-full_IncreaseDecreaseThroughChangesInEstimatesThatAdjustContractualServiceMarginInsuranceContractsLiabilityAsset
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The increase (decrease) in insurance contracts liability (asset) resulting from changes in estimates that do not adjust the contractual service margin. [Refer: Insurance contracts liability (asset); Contractual service margin [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph a
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_a_ii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughChangesInEstimatesThatDoNotAdjustContractualServiceMarginInsuranceContractsLiabilityAsset
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from changes that relate to current service. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_b&doctype=Standard
-URIDate 2025-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from changes that relate to future service. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 103
-Subparagraph b
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_103_b_iv&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_a&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughChangesThatRelateToFutureServiceInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from changes that relate to past service, ie changes in fulfilment cash flows relating to incurred claims. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 103
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_103_b_iii&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughChangesThatRelateToPastServiceInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from the effects of contracts initially recognised in the period. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 107
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_107&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph a
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_a_iii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughEffectsOfContractsInitiallyRecognisedInPeriodInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
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The increase (decrease) in insurance contracts liability (asset) resulting from experience adjustments, excluding amounts related to the risk adjustment for non-financial risk included in paragraph 104(b)(ii) of IFRS 17. Experience adjustment is a difference between: (a) for premium receipts (and any related cash flows such as insurance acquisition cash flows and insurance premium taxes) - the estimate at the beginning of the period of the amounts expected in the period and the actual cash flows in the period; or (b) for insurance service expenses (excluding insurance acquisition expenses) - the estimate at the beginning of the period of the amounts expected to be incurred in the period and the actual amounts incurred in the period. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_b_iii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughExperienceAdjustmentsInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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The increase (decrease) in insurance contracts liability (asset) resulting from incurred claims paid and other insurance service expenses paid for insurance contracts issued, excluding insurance acquisition cash flows. [Refer: Insurance contracts liability (asset); Increase (decrease) through insurance acquisition cash flows, insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph a
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_a_iii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughIncurredClaimsPaidAndOtherInsuranceServiceExpensesPaidForInsuranceContractsIssuedExcludingInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from insurance acquisition cash flows. Insurance acquisition cash flows are cash flows arising from the costs of selling, underwriting and starting a group of insurance contracts (issued or expected to be issued) that are directly attributable to the portfolio of insurance contracts to which the group belongs. Such cash flows include cash flows that are not directly attributable to individual contracts or groups of insurance contracts within the portfolio. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph a
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_a_ii&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughInsuranceFinanceIncomeOrExpensesInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 103
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_103&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughInsuranceServiceResultInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from premiums received for insurance contracts issued. [Refer: Insurance contracts liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 105
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_105_a_i&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughPremiumsReceivedForInsuranceContractsIssuedInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in insurance contracts liability (asset) resulting from recognition of the contractual service margin in profit or loss to reflect the transfer of services. [Refer: Insurance contracts liability (asset); Contractual service margin [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 104
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_104_b_i&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_IncreaseDecreaseThroughRecognitionOfContractualServiceMarginInProfitOrLossToReflectTransferOfServicesInsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of insurance contracts issued that are assets. [Refer: Assets; Insurance contracts issued [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 78
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_78_a&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph da
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_da&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InsuranceContractsIssuedThatAreAssets
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of insurance contracts issued that are liabilities. [Refer: Liabilities; Insurance contracts issued [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 78
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_78_b&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph ma
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_ma&doctype=Standard
-URIDate 2025-03-27

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

The amount of insurance contracts liability (asset). [Refer: Assets; Liabilities; Insurance contracts [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 99
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_99_b&doctype=Standard
-URIDate 2025-03-27

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

The amount of insurance contracts that are assets. [Refer: Assets; Insurance contracts [domain]]

Name:	ifrs-full_InsuranceContractsThatAreAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of insurance contracts that are liabilities. [Refer: Liabilities; Insurance contracts [domain]]

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 80
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_80_b&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 82
-Subparagraph bb
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_bb&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InsuranceFinanceIncomeExpensesFromInsuranceContractsIssuedRecognisedInProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 90
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_90&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 91
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_b&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_7&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_OtherComprehensiveIncomeBeforeTaxInsuranceFinanceIncomeExpensesFromInsuranceContractsIssuedExcludedFromProfitOrLossThatWillBeReclassifiedToProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Increase decrease through business combination insurance contracts liability asset.

No definition available.

Name:	wf_IncreaseDecreaseThroughBusinessCombinationInsuranceContractsLiabilityAsset
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Increase decrease through changes in profit or loss and other comprehensive income from insurance service.

No definition available.

Name:	wf_IncreaseDecreaseThroughChangesInProfitOrLossAndOtherComprehensiveIncomeFromInsuranceService
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Increase decrease through changes that relate to past service adjustments to the liability for incurred claims insurance contracts liability asset.

No definition available.

Name:	wf_IncreaseDecreaseThroughChangesThatRelateToPastServiceAdjustmentsToTheLiabilityForIncurredClaimsInsuranceContractsLiabilityAsset
Namespace Prefix:	wf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	ifrs-full_InsuranceContractsByComponentsAxis=ifrs-full_RiskAdjustmentForNonfinancialRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_DisaggregationOfInsuranceContractsAxis=ifrs-full_InsuranceContractsIssuedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_InsuranceContractsByComponentsAxis=ifrs-full_EstimatesOfPresentValueOfFutureCashFlowsMember
Namespace Prefix:
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