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SUBSEQUENT EVENTS (Details Narrative) - Non Adjusting Event [Member] | 1 Months Ended
--- | ---
Aug. 26, 2021 CAD ($) shares
IfrsStatementLineItems [Line Items] |
Equity method investment, shares owned | shares | 358,996
Payment to acquire interest | $ | $ 341,046
Ownership percentage | 10.00%

X
- Definition Equity method investment shares owned. + References No definition available. + Details
Name: | WSCRF_EquityMethodInvestmentSharesOwned
Namespace Prefix: | WSCRF_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | WSCRF_IfrsStatementLineItems
Namespace Prefix: | WSCRF_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Payment to acquire interest. + References No definition available. + Details
Name: | WSCRF_PaymentToAcquireInterest
Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B64 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=WSCRF_NonAdjustingEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |