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TRADE PAYABLES AND ACCRUED LIABILITIES (Details Narrative) - CAD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Trade and other current payables [abstract]
Property investigation expense	$ 26,652	$ 31,630

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- Definition

Property Investigation Expense.

+ References

No definition available.

+ Details

Name:	WSCRF_PropertyInvestigationExpense
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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