You can zoom the Total amount of each of the customers by hovering your cursor over and double-click it.  Let’s try Leep, Thomas with a Total amount of 1,072:


QB Accounts Receivable Aging Reports 2


The A/R Aging Quick Zoom shows details of 5 invoices that make up a total of 1,072. 
Another way of looking at details of Leep, Thomas is by going to Customer Centre > highlight Leep, Thomas, as shown below:


QB Accounts Receivable Aging Reports 3


2.    A/R Aging Detail
This report shows you each customer transactions sorted by aging interval.  To open A/R Aging Detail, select Main Menu > Reports > Customers & Receivables > A/R Aging Detail.