Fair Value Measurements - Schedule of assets held in the Trust Account (Detail) - US Treasury Securities [Member] - Fair Value, Inputs, Level 1 [Member] - Fair Value, Recurring [Member]	12 Months Ended
Dec. 31, 2025 USD ($)
Schedule of Investments [Line Items]
Amortized Cost	$ 423,689,288
Unrealized Gain	89,942
Fair Value	$ 423,779,230

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.

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+ Details