This presentation provides detailed information on how XBRL and XML work together to enable interoperability.  The slide deck consists of 38 slides. Prepared in 2006.

This presentation provides details of XBRL-related topics specific to the CPA profession.  The slide deck consists of 43 slides. Prepared in February 2010.

This is Q&A website with a catch "clear answers for common questions," and this particular page provides a concise, single-page answer to the question: "What is XBRL?" It also provides links to related sources.

 Animation which demonstrates XBRL concepts. The animation, played by two CPAs, consists of three chapters: "What is XBRL?" "Benefits of XBRL" and "How XBRL Works." Spoken in Japanese, with subtitle in English. Created in 2008.