Disclosure Management makes an important distinction between removing an XBRL map association and deleting an XBRL object:
Remove Map—Refers to removing or dissociating mapped XBRL elements from data in an Office document, Financial Reporting grid, or data source member. For example, you remove a unit map from a numeric value table cell; however, the unit definition remains.
XBRL object deletion—Refers to deleting a defined XBRL object such as a context, unit, or footnote. For example, users can delete a defined XBRL unit from the list of units. When an XBRL object is deleted, not only is the XBRL object removed, but any associated XBRL mappings associated are also removed.
Note: | Taxonomy concepts cannot be deleted because they are defined in taxonomies. |