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Subsequent Event (Details Narrative)	Dec. 31, 2025 USD ($)
PXP Loan
Statement [Line Items]
Loan received, amount	$ 38,000

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- References

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Namespace Prefix:	fecof_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	fecof_StatementLineItems
Namespace Prefix:	fecof_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	ifrs-full_TypesOfContractsAxis=fecof_PXPLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: