How can I check whether an Amazon purchase was made with gift card balance or debit/credit card?

This may seem a little odd but I'd like to look at some of my amazon purchase data to get an estimate for how much money I've made. I downloaded an order history report, but for payment it always lists gift card/visa card so I can't tell if the order was paid with the gc balance, the visa card, or a combo of the 2.

Does anyone have a way of seeing this info?