{"cik":2128045,"taxonomy":"us-gaap","tag":"Assets","label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","entityName":"Bleichroeder Acquisition Corp. III","units":{"USD":[{"end":"2026-06-30","val":512356,"accn":"0001213900-26-090096","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-14","frame":"CY2026Q2I"}]}}