v3.26.1
COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Oct. 22, 2025
Jan. 21, 2025
Mar. 31, 2026
Dec. 31, 2025
Dec. 19, 2025
Loss Contingencies [Line Items]          
Price per share   $ 10.00      
Deferred legal fees     $ 3,085,000 $ 2,450,000  
Note Receivable [Member]          
Loss Contingencies [Line Items]          
Principal amount         $ 300,000
Non-refundable fee     $ 10,000    
Debt instrument description     (i) June 30, 2026 (as extended), (ii) the date upon which all or any part of the obligations have been declared or automatically have become due and payable (whether by acceleration or otherwise); and (iii) the date upon which the Proposed Business Combination (as defined below) between the Borrower and the Lender or any third-party bridge financing, outside financing or similar capital-raising transaction by the Borrower is consummated. The obligations may be prepaid at any time without penalty.    
Maturity date     Jun. 30, 2026    
Periodic payment     $ 300,000 300,000  
ONE Nuclear Energy LLC, [Member]          
Loss Contingencies [Line Items]          
Business combination, description The number of shares to be issued at the Closing will be calculated by dividing $1.00 billion by an amount equal to the price at which each HVII Public Share may be redeemed in connection with the Proposed Business Combination.        
General Matters [Member]          
Loss Contingencies [Line Items]          
Deferred legal fees     2,485,000 $ 1,850,000  
Maximum [Member] | Note Receivable [Member]          
Loss Contingencies [Line Items]          
Principal amount     300,000    
Underwriting Agreement [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Deferred underwriting discount per unit   $ 0.40      
Deferred underwriting commissions   $ 7,600,000      
IPO [Member]          
Loss Contingencies [Line Items]          
Sale of units in initial public offering   19,000,000      
Deferred legal fees     $ 600,000    
IPO [Member] | Underwriting Agreement [Member]          
Loss Contingencies [Line Items]          
Sale of units in initial public offering   1,500,000 2,625,000    
Remaining unexercised balance   1,125,000 1,125,000    
Price per share   $ 0.20      
Cash underwriting discount   $ 3,800,000