Fair Value Measurements - Schedule of Assets Held in Trust Account (Details) - US Treasury Securities [Member] - USD ($)	3 Months Ended	7 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Schedule of Assets Held in Trust Account [Line Items]
Amortized Cost	$ 418,094,153	$ 414,549,106
Unrealized Gain	(76,186)	(119,487)
Fair Value	$ 418,017,967	$ 414,429,619

Cost of the investment.

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+ Details

- Definition

Fair value of investment in security owned.

+ References

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+ Details