Sorry, hold on - I totally lied (looked at the wrong old receipt).

It will show up as:

Payment type: (your credit card)
Total amount: (includes credit card and gift cert amount)
Add collect: "An additional amount for the difference in fare was charge to (insert your credit card info here) on (insert date and time stamp) for an additional total of (insert amount charged to credit card here)


So yes, it shows the breakdown and the total