v3.26.1

Long-term Investment (Details Narrative) - CAD ($)	Jun. 30, 2025	Apr. 16, 2025
Long-term Investment
Share Subscribed		89,448,256
Share Subscription Amount	$ 5,132,534

X

- References

No definition available.

+ Details

Name:	fnuc_DisclosureLongtermInvestmentAbstract
Namespace Prefix:	fnuc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share subscribed.

+ References

No definition available.

+ Details

Name:	fnuc_ShareSubscribed
Namespace Prefix:	fnuc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The element represents share subscription amount.

+ References

No definition available.

+ Details

Name:	fnuc_ShareSubscriptionAmount
Namespace Prefix:	fnuc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant