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

The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2024-03-27

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

The number of shares authorised.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_i&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_NumberOfSharesAuthorised
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Stock Repurchase Program, Number of Additional Shares Authorized

No definition available.

Name:	wfg_StockRepurchaseProgramNumberOfAdditionalSharesAuthorized
Namespace Prefix:	wfg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Stock Repurchased And Cancelled During Period, Per Share Average Price

No definition available.

Name:	wfg_StockRepurchasedAndCancelledDuringPeriodPerShareAveragePrice
Namespace Prefix:	wfg_
Data Type:	dtr-types1:perShareItemType
Balance Type:	na
Period Type:	duration

Stock Repurchased And Cancelled During Period, Share

No definition available.

Name:	wfg_StockRepurchasedAndCancelledDuringPeriodShare
Namespace Prefix:	wfg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Stock Repurchased And Cancelled During Period, Value

No definition available.

Name:	wfg_StockRepurchasedAndCancelledDuringPeriodValue
Namespace Prefix:	wfg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_PotentialOrdinaryShareTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	wfg_StockRepurchaseProgramAxis=wfg_NormalCourseIssuerBidProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	wfg_StockRepurchaseProgramAxis=wfg_SubstantialIssuerBidMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wfg_ShareOptionPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=wfg_ClassBCommonSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: