{"cik":2098669,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"United Acquisition Corp. I","units":{"USD/shares":[{"start":"2025-10-22","end":"2025-12-31","val":-0.12,"accn":"0001493152-26-013617","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-30","frame":"CY2025Q4"}]}}