Definition of XBRL in English:

XBRL

noun

Computing
  • An XML-based markup language used for standardized reporting of business information, especially that relating to a company’s financial performance.

    ‘XBRL enhances the capabilities of regulators to validate financial data’
    as modifier ‘other analysts have found similar trends in smaller firms' XBRL reports’

Origin

Early 21st century: short for Extensible Business Reporting Language.