5. A program storage device readable by a computer system, tangibly embodying a program of instructions executable by one or more processors of the computer system to perform method steps for aggregating information from multiple data sources, said method steps comprising: receiving information regarding a user selection event identifying a plurality of taxonomy objects to be imported into the reporting/analysis application; responsive to the user selection event, retrieving business data corresponding to the plurality of taxonomy objects from a plurality of data sources, including a first data source containing financial reporting (FR) level information and a second data source containing general ledger (GL) level information; and generating and displaying an aggregated result within a single cell of a spreadsheet representing a combination of at least a portion of business data retrieved from the first data source and a portion of business data retrieved from the second data source.
5. A program storage device readable by a computer system, tangibly embodying a program of instructions executable by one or more processors of the computer system to perform method steps for aggregating information from multiple data sources, said method steps comprising: receiving information regarding a user selection event identifying a plurality of taxonomy objects to be imported into the reporting/analysis application; responsive to the user selection event, retrieving business data corresponding to the plurality of taxonomy objects from a plurality of data sources, including a first data source containing financial reporting (FR) level information and a second data source containing general ledger (GL) level information; and generating and displaying an aggregated result within a single cell of a spreadsheet representing a combination of at least a portion of business data retrieved from the first data source and a portion of business data retrieved from the second data source. 7. The program storage device of claim 5 , wherein the first data source comprises one or more Extensible Business Reporting Language (XBRL) instance documents.