Nature of business (Details) - Subsequent events	Jul. 10, 2026 USD ($)
Nature of business
Goodwill	$ 0
Other intangible assets recognized	0
Spring valley acquisition corp III \| General Fusion Inc
Nature of business
Goodwill	0
Other intangible assets recognized	$ 0

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

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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