KPMG XBRL: Digital Business Reporting

Brief introduction to XBRL using analogy of bar code. A link to "A Primer on XBRL, the Extensible Business Reporting language" is included at the end of the webpage, which covers such topics as "The Function of XBRL," "How XBRL Works," "XBRL Initiatives by U.S. Institutions," "XBRL Initiatives by non-U.S. Institutions," and so on.