xbrli:essentialNumericItemAttrs 

Attributes for all numeric items (fractional and non-fractional).

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
contextRef IDREF required
id country:ID optional
unitRef IDREF required

Used By

Attribute Group xbrli:numericItemAttrs
Complex Type xbrli:fractionItemType

Source 

<attributeGroup name="essentialNumericItemAttrs">
  <annotation>
    <documentation>Attributes for all numeric items (fractional and non-fractional).</documentation>
  </annotation>
  <attributeGroup ref="xbrli:itemAttrs"/>
  <attribute name="unitRef" type="IDREF" use="required"/>
</attributeGroup>