Standard XBRL 2.1 and Dimensions 1.0 features used.
An example code-list is the below energy source list:
Two otherwise different and independent taxonomies (taxonomy-a and taxonomy-b) can both use above common “Energy Source” code list as a dimension:
Example using taxonomy A (and using shared energy source list):
Example using taxonomy B (and using shared energy source list):
Taxonomy and report package: