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Standard Business Report Model/Concept
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Concept
(a.k.a. Primary Item, Item)
XBRL Open Information Model definition of concept core dimension
Normative
A concept is a type of report element. A concept is a core aspect which describes the meaning of a reported fact. A concept exists within a set of line items. A concept describes a fact value and therefore has a data type, a period type, and optionally may have a balance type which are used to describe that concept.
Commentary and Interpretations
For example, the concept named "Assets" which has a data type of "monetary", a period type of "instant", and a balance type of "debit" might be used to describe a reported fact.