You can choose how you would like the properties in the details pane to be ordered, either alphabetized or categorized. Categorized is the default display.
To change the display order of the properties
Right-click anywhere in the details pane, except on the title bar of the details pane. A shortcut menu appears.
Click Toolbars. A properties toolbar appears in the details pane. Click either the Categorized () or Alphabetized () icon to switch between the displays.