v3.25.2

SEGMENT INFORMATION - The CODM Assesses Performance for Single Segment (Details) - Operating Segment [Member]	3 Months Ended	6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)
Segment Reporting Information [Abstract]
Trust Account	$ 223,400,035	$ 223,400,035
Cash and cash equivalents	240,391	240,391
General, administrative costs	219,584	361,072
Advisory fee	0	6,000,000
Interest earned on cash and marketable securities held in Trust Account	$ 2,326,596	$ 3,400,035

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of expense for investment advisory service, including, but not limited to, managing money in fund.

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Artius II Acquisition Inc. 10-Q