BALANCE SHEET - USD ($)	Nov. 30, 2025	Nov. 30, 2024
Current assets
Cash	$ 1,301,928	$ 717
Prepaid expenses	162,897	427
Total current assets	1,464,825	1,144
Deposits	71,506
Intangible asset, net	65,915
Mineral rights	1,201,390
Right of use asset-operating lease, net	84,326
Total assets	2,887,962	1,144
Current liabilities
Accounts payable and accrued liabilities	530,339	106,245
Due to related parties	$ 280,025	$ 518,468
Other Liability, Current, Related Party [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Lease liability	$ 33,155
Total current liabilities	843,519	$ 624,713
Lease liability-non-current	55,086
Total liabilities	898,605	624,713
Commitments and contingencies (Note 11)
Mezzanine equity
Redeemable common stock, $0.0001 par value, 350,000,000 shares authorized; 15,951,675 shares issued and subject to possible redemption at $0.02 per share as of November 30, 2025 (none as of November 30, 2024)	300,000	0
Stockholders' equity (deficit)
Preferred stock, $0.0001 par value, 50,000,000 shares authorized; none issued and outstanding as of November 30, 2025 and 2024
Common stock, $0.0001 par value, 350,000,000 shares authorized; 110,211,574 shares issued and outstanding, excluding 15,951,675 shares subject to possible redemption, as of November 30, 2025 (96,000,040 shares as of November 30, 2024)	11,020	9,600
Additional paid-in capital	7,959,026	219,138
Obligation to issue shares		167,750
Accumulated deficit	(6,280,689)	(1,020,057)
Total stockholders' equity (deficit)	1,689,357	(623,569)
Total liabilities, mezzanine equity and stockholders' equity (deficit)	$ 2,887,962	$ 1,144

Amount of shares issuable for grant of bonus shares to shareholder for the services rendered.

No definition available.

Name:	nucl_ObligationToIssueShares
Namespace Prefix:	nucl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.