The carrying value as of balance sheet date of underwriting compensation deferred, classified as noncurrent.

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Number of shares issued per right, during the transaction.

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Represents the number of shares in a unit.

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Represents the number of warrants in a unit.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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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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Initial Public Offering - (Details) - USD ($)		1 Months Ended	12 Months Ended
Initial Public Offering - (Details) - USD ($)	Oct. 17, 2022	Apr. 30, 2025	Dec. 31, 2025	Nov. 30, 2025	Nov. 30, 2024
Initial Public Offering
Proceeds from issuance of Class B common stock to Sponsor		$ 4,692,172
Offering costs				$ 579,370	$ 6,463
CIK_0001843477_Spring Valley Acquisition Corp. II
Initial Public Offering
Purchase price, per unit	$ 10.25		$ 12.02
Number of shares issued per right			0.10
Initial Public Offering \| CIK_0001843477_Spring Valley Acquisition Corp. II
Initial Public Offering
Common stock issued	23,000,000
Proceeds from issuance of Class B common stock to Sponsor	$ 230,000,000
Offering costs	13,400,000
Deferred underwriting fees	$ 8,100,000
Number of shares issued per unit	1
Number of warrants in a unit	0.5
Number of shares issued per right	0.10
Initial Public Offering \| Public Warrants \| CIK_0001843477_Spring Valley Acquisition Corp. II
Initial Public Offering
Number of warrants in a unit	0.50
Number of shares issuable per warrant	1
Initial Public Offering \| Public Warrants \| Class A ordinary shares \| CIK_0001843477_Spring Valley Acquisition Corp. II
Initial Public Offering
Exercise price of warrants	$ 11.5
Over-allotment option \| CIK_0001843477_Spring Valley Acquisition Corp. II
Initial Public Offering
Common stock issued	3,000,000
Purchase price, per unit	$ 10