28. A computer program product, comprising a computer-readable storage medium including computer-readable instructions embodied therein, that when executed by one or more processors, implement a method for the retrieval, analysis and display of electronically tagged financial data in XBRL format, the instructions comprising: an integrated file access component, analysis component and presentation component for accessing, analyzing and presenting electronically tagged financial data in XBRL format within the application; the file access component comprising: one or more user selection modules for selecting a plurality of XBRL files, the XBRL files including at least electronically tagged financial data which adhere to different taxonomies that are associated with the same type of content, the analysis component comprising: one or more analysis modules for calculating at least a first common analysis measure for comparison and analysis of electronically tagged financial data from a first file which adheres to a first taxonomy and corresponding electronically tagged financial data from a second file which adheres to a second taxonomy that are associated with the same type of content, including (i) a first formula having components based on the first taxonomy for calculating the first common analysis measure from electronically tagged financial data from the first file, and (ii) a second formula having components based on the second taxonomy for-calculating the first common analysis measure from electronically tagged financial data from the second file, wherein the first common analysis measure comprises an analytical metric not present in either the first file or the second file; and the presentation component comprising: one or more presentation modules for presenting information associated with the selected XBRL files, the presented information including data elements and a calculation of at least the first common analysis measure automatically formatted according to presentation information associated with the selected XBRL files so as to provide simultaneous line-by-line display of at least the first calculated common analysis measures that correspond to different taxonomies and another calculated common analysis measure.
36. The computer program product of claim 28 , further comprising a multiple document interface for displaying and navigating the presented information.