You obtain further information about the line, including information which is not in the current list.
You cannot use the Choose Detail function on subtotals.
Depending on the list, you can also execute this function with a single or double click on the row.
Depending on the list, the detail display only shows the fields for which the object has a value. For example, if no variances were calculated for a production order, the fields for the variance categories are not shown in the detail display for that order.