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SUPPLEMENTAL CASH FLOW INFORMATION (Details Narrative) - CAD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Supplemental Cash Flow Information |  |  |
Amount transferred from reserve to deficit | $ 203,865 | $ 3,782,706 | $ 3,860,656
Accrued exploration and evaluation expenditures | 67,532 | 6,506 | 171,444
Restoration obligation | 94,606 | 267,000 |
Advance to investment | $ 50,000 | 24,000 |
Offset due to related party investment |  | 33,735 |
Trade payables |  | $ 7,500 |
Non-cash consideration for exploration and evaluation expenditures |  |  | 51,000
Share premium liability |  |  | $ 88,987

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- Definition Advance to investment. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Amount removed from reserve and transferred to retained earnings. + References No definition available. + Details
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Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- References No definition available. + Details
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- Definition Non-cash consideration for exploration and evaluation expenditures. + References No definition available. + Details
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Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Definition Offset due to related party investment. + References No definition available. + Details
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Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Definition Share premium liability. + References No definition available. + Details
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Namespace Prefix: | WSCRF_
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Balance Type: | credit
Period Type: | instant

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- Definition Trade payables. + References No definition available. + Details
Name: | WSCRF_TradePayables
Namespace Prefix: | WSCRF_
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Balance Type: | debit
Period Type: | duration

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- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard -URIDate 2021-03-24 + Details
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