Fair Value Measurements - Summary of the Subscription Agreement Liability (Detail) - Derivative Financial Instruments, Liabilities [Member] |
4 Months Ended |
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Dec. 31, 2025
USD ($)
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Fair value as of September 8, 2025 | $ 6,044,986 |
| Change in valuation inputs or other assumptions | 69,585,366 |
| Fair value as of December 31, 2025 | $ 75,630,352 |
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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