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SUPPLEMENTAL CASH FLOW INFORMATION (Details Narrative) - CAD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Supplemental Cash Flow Information
Amount transferred from reserve to deficit	$ 44,144	$ 97,953
Amount reserve to common share capital	138,662	242,901
Restoration obligation	$ 86,569	5,568
Advance to investment		$ 50,000

X

- Definition

Advance to investment.

+ References

No definition available.

+ Details

Name:	WSCRF_AdvanceToInvestment
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount removed from reserve and transferred to retained earnings.

+ References

No definition available.

+ Details

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

X

- Definition

Amount Reserve To Common Share Capital

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	WSCRF_DisclosureSupplementalCashFlowInformationAbstract
Namespace Prefix:	WSCRF_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Restoration obligations.

+ References

No definition available.

+ Details

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