Setup > Company > Printing & Fax > Printing tab > Transactions > Print Discount and Shipping Lines in Columns.
When this is unchecked the format will be:
Shipping Cost (Display name of Shipping Item)
When this is checked it will just display the total without the breakdown.
*Note this is the same for discounts.
-Print the FedEx Commercial Invoices by going to the Item Fulfillment and click on Print > Print ETD Copy