The objective of this research is to make a comparative analysis of the use of Extensible Business Reporting Language (XBRL) in the projects undertaken for the mandatory filing of banks’ financial information in the United States and the European Union. The agencies overseeing these filing requirements are the Federal Financial Institutions Examination Council (FFIEC) and the Committee of European Banking Supervisors (CEBS) in the United States and the European Union, respectively. This comparative analysis is made for the following five dimensions: 1) project definition and scope; 2) planned project activities and responsibilities of stakeholders; 3) project management methodology and process; 4) progress monitoring, deadlines, and milesto...