boj xbrl 06：日本央行的xbrl 06.pdf

CONTACTS The Bank of Japan Financial panies in Japan have been reporting monthly data in XBRL to the Bank of Japan (BoJ) since February 2006. The BOJ says the introduction of XBRL for monthly balance sheet information has led to a significant reduction in the burden of data validation and other gains in efficiency. It plans to expand the scope of XBRL reporting and to develop new systems for storing and accessing its XBRL data. Key features of the BoJ's use of XBRL w The BoJ gathers data from some 560 banks and other financial panies as part of its task of examining and monitoring the Japanese financial services industry. w The BoJ launched its XBRL reporting system for monthly balance sheet data from financial panies in February 2006. This followed a three-year project which went through several stages, with several revisions of the taxonomy used for classifying the data and a series of test periods involving a gradually expanding number of banks. w The central bank introduced XBRL in order to reduce the effort involved for all parties in providing and collecting data and to improve the efficiency of data handling and analysis. The BoJ also expects that its adoption of XBRL will encourage broader use of XBRL and improve the efficiency of data exchange in the financial data supply chain. w Reporting currently covers a f