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Fair value per share.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

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Related Party Transactions - Additional Information (Detail)					7 Months Ended
	Oct. 06, 2025 USD ($) $ / shares	Sep. 30, 2025 USD ($)	Sep. 17, 2025 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) $ / shares shares	Dec. 31, 2025 USD ($) $ / shares
Related Party Transaction [Line Items]
Stock issued during period, value, new issues					$ 25,000
Fair value per share \| $ / shares			$ 4.89
Aggregate fair value of share granted			$ 122,168
Working Capital Loan [Member]
Related Party Transaction [Line Items]
Debt instrument, convertible, carrying amount of equity component					$ 1,500,000
Debt instrument, convertible, conversion price \| $ / shares					$ 10
Debt, current					$ 0
Promissory Note [Member]
Related Party Transaction [Line Items]
Debt instrument, periodic payment	$ 207,361
Common Class A [Member]
Related Party Transaction [Line Items]
Common stock, par value \| $ / shares			$ 12
Measurement Input, Option Volatility [Member]
Related Party Transaction [Line Items]
Equity securities, FV-NI, measurement input	9		0.088
Measurement Input, Risk Free Interest Rate [Member]
Related Party Transaction [Line Items]
Equity securities, FV-NI, measurement input	3.63		0.0351
Measurement Input, Discount for Lack of Marketability [Member]
Related Party Transaction [Line Items]
Equity securities, FV-NI, measurement input	3.6		0.035
Fair Value, Inputs, Level 3 [Member]
Related Party Transaction [Line Items]
Probability of business combination	54.00%		54.00%
Fair Value, Inputs, Level 3 [Member] \| Common Class A [Member]
Related Party Transaction [Line Items]
Common stock, par value \| $ / shares	$ 9.804		$ 9.804
Chief Financial Officer [Member]
Related Party Transaction [Line Items]
Fair value of share granted to company CFO \| shares			25,000
Founder Shares [Member]
Related Party Transaction [Line Items]
Amount for purchase of founder share			$ 122,168
Founder Shares [Member] \| Chief Financial Officer [Member]
Related Party Transaction [Line Items]
Founder share transferred to company CFO \| shares			25,000
Sponsor [Member]
Related Party Transaction [Line Items]
Administrative fees expense					56,129
Sponsor [Member] \| Administrative Service [Member]
Related Party Transaction [Line Items]
Operating costs and expenses		$ 20,000
Sponsor [Member] \| Promissory Note [Member]
Related Party Transaction [Line Items]
Debt instrument, fee amount					$ 250,000
Sponsor [Member] \| Founder Shares [Member]
Related Party Transaction [Line Items]
Stock issued during period, value, new issues				$ 25,000
Common stock, par value \| $ / shares				$ 0.003
Stock issued during period, shares, new issues \| shares				7,666,667
Stock surrendered during the period shares \| shares				1,000,000
Shares issued, shares, share-based payment arrangement, before forfeiture \| shares				1,000,000