Adding Dimensions (Axis and Member)

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Sometimes the concept alone does not show the full meaning of a numeric value. Adding a dimension provides extra information to clearly define the fact and group related facts together.

Basics of Dimensions

Each dimension applied to a fact has an axis and a member:

  • Axis is the characteristic that applies to the fact
  • Member is the specific detail related to the characteristic

For example, if you disclose the useful life of buildings as a range of time, then apply the same concept to the lower and upper end of the range. Use an axis to identify that you are disclosing a range and the members to identify which value is the lower end of the range and which value is the upper end of the range.

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Before adding a dimension to a fact, make sure:

  • There is a table structure in the appropriate section of the XBRL outline for each fact you need to dimensionalize.

  • All facts you want to dimensionalize are tagged with the correct concept and date.

Adding a Dimension

To add dimensions to facts:

  1. Select the fact that you want to dimensionalize. You can tag cells individually, or you can select multiple cells to tag together.

  2. If using an axis from the XBRL outline, drag it from the XBRL outline to the Add Dimension in the Fact Details panel.

  3. If adding an axis not already in the XBRL outline, click Add Dimension in the Fact Details panel. Find and select the axis you want to add to the fact. Then click Apply.

  4. To add a member either drag the member from the XBRL outline to the Add Member button or click Add Member in the Fact Details panel. Then find and Apply the member.

  5. Add any other dimensions you need to differentiate facts in the document.