Common Practice Financial Reporting XBRL Taxonomies

I am thinking of creating two common practice financial reporting taxonomies.  One for US GAAP and one for IFRS.  These XBRL taxonomies would be for small and medium sized enterprises (SMEs).  There are several reasons to do this.

  1. Currently, the IFRS Foundation is reluctant to provide common practices concepts in their XBRL taxonomies.
  2. Currently, the IFRS Foundation is reluctant to include commonly used subtotals in the IFRS standards or the IFRS XBRL taxonomy.
  3. Both the US GAAP and IFRS XBRL Taxonomies are not very well represented.  Both disregard XBRL International Best Practices guidance for using XBRL dimensions by mixing their modeling approaches (e.g. sometimes hypercubes are used, other times hypercubes are not used).
  4. Neither the US GAAP XBRL Taxonomy nor the IFRS XBRL Taxonomy can be considered complete.  Both leave out important mathematical computations that need to be represented using XBRL Formula.
  5. Neither the US GAAP XBRL Taxonomy nor the IFRS XBRL Taxonomy represents "wider-narrower" associations.
  6. Neither the US GAAP nor IFRS XBRL Taxonomies follow the good practices guidance of the Seattle Method.
  7. Neither the US GAAP nor IFRS XBRL taxonomies are of the quality that could be used internally within an enterprise.
  8. There is currently no XBRL taxonomies that could be used by small and medium sized companies that wanted to leverage XBRL-based digital financial reporting for external general purpose financial reports or internal financial reports. This is not about meeting some regulator mandate or even generating XBRL-based reports; this is about making financial reporting processes better, faster, and/or cheaper.

And so, the current US GAAP and IFRS XBRL Taxonomies are not optimal.  Part of the reason for this experimentation is to learn how to do this right.  Here is a first prototype of an IFRS common practice XBRL taxonomy.


Here are 13 prototype base financial reporting schemes represented using XBRL. (See the numbered list).

Here is a prototype for AASB 1060 that provides the best idea of what those common practices XBRL-taxonomies that I will create would look like.

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