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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

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- Definition Restoration obligations. + References No definition available. + Details
Name: | WSCRF_RestorationObligations
Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration