Paypal express checkout how to know payment is Paypal or credit card

Hi
Is there a way to know with Paypal express checkout
which method of payment received ?
I have only PP EC and I want to know if customers that made
a successful transaction paid through their paypal account
or with their credit card through paypal page without paypal
account.
I want to know this since I had some problems with customers
that could not complete the transaction with their CC so I am
very curious if the new orders from new customers are going
well with CC.

By the way, I looked at paypal curl logs and searched for meanings but no answer was founded.

Thanks.

Gunni

Really no way to tell as it is all handled at PayPal

Thanks.
Thought that maybe with Paypal logs / the store Paypal account I could see it...