You can get this information by running a Transaction Details report in Report Writer.
  1. To run a Transaction Details report
  2. On the Select Columns page, add the Tender Instance Name column under Payment Method
Optionally, if you want to filter by Paypal transactions:
  1. On the Configure Filters page, click Create a filter
  2. Click the first dropdown menu > select Payment Method
  3. Click the second dropdown menu > select Tender Instance ID
  4. Click more...
  5. Mark the checkbox for Paypal
  6. Click Apply
  7. Click Add this filter