Amount of consideration payments to be made for the mining rights acquired in the transaction.

No definition available.

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- Definition

Period within which, the consideration for mineral rights is to be paid.

+ References

No definition available.

+ Details

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- Definition

The amount of expenses incurred for the mining rights acquired in the transaction.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The percentage of net smelter return royalty payable, under the mining rights transaction.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership interests in the mineral rights property acquired during the period.

+ References

No definition available.

+ Details

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- Definition

The number of threshold trading days based on which the volume-weighted average trading price is determined for issuance of common shares for mining rights acquired in the transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	nucl_
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Balance Type:	na
Period Type:	duration

- Definition

The value of shares issued for the mining rights acquired in the transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	nucl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of lode claims.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Balance Type:	debit
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- Definition

The cash outflow from the acquisition of a mineral right which is the right to extract a mineral from the earth or to receive payment, in the form of royalty, for the extraction of minerals.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details

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MINERAL RIGHTS - Fish Lake Valley Property (Details)			12 Months Ended
MINERAL RIGHTS - Fish Lake Valley Property (Details)	Jun. 14, 2024 USD ($)	Jan. 12, 2024 USD ($) item	Nov. 30, 2025 USD ($)	Nov. 30, 2024 USD ($)
MINERAL RIGHTS
Cash paid as consideration			$ 1,193,415	$ 70,000
Impairment loss				70,000
Fish Lake Valley Property
MINERAL RIGHTS
Percentage of interests acquired		100.00%
Number of lode claims \| item		207
Cash paid as consideration	$ 20,000
Value of common shares issued		$ 3,300,000
NSR Royalty, percentage		1.00%
Impairment loss				$ 70,000
Fish Lake Valley Property \| Payment Within Five Days of Effective Date
MINERAL RIGHTS
Cash paid as consideration		$ 50,000
Consideration payment period		5 days
Fish Lake Valley Property \| Payment Within Six Months of Effective Date
MINERAL RIGHTS
Consideration payment		$ 100,000
Consideration payment period		6 months
Fish Lake Valley Property \| Payment Within One Year of Effective Date
MINERAL RIGHTS
Expenditure incurred		$ 500,000
Fish Lake Valley Property \| Payment on Completing Initial Public Offering
MINERAL RIGHTS
Value of common shares issued		675,000
Consideration payment		450,000
Fish Lake Valley Property \| Payment on One Year After Listing Date
MINERAL RIGHTS
Value of common shares issued		1,312,500
Consideration payment		$ 375,000
Trading days		10 days
Fish Lake Valley Property \| Payment on Second Year After Listing Date
MINERAL RIGHTS
Value of common shares issued		$ 1,312,500
Consideration payment		$ 500,000
Trading days		10 days