{"cik":2098712,"taxonomy":"us-gaap","tag":"PreferredStockSharesAuthorized","label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","entityName":"GigCapital9 Corp.","units":{"shares":[{"end":"2025-12-31","val":1000000,"accn":"0001193125-26-134550","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-31","frame":"CY2025Q4I"}]}}