Amazon Web services (AWS) users can find out the current outstanding billing amount using the Account Activity tab. You can keep track of your current charges to avoid over billing of your account.
Sign in to to AWS account with your user credentials.
Click the My Account/Console drop available at top right corner and select Account Activity from the list. This should display the following “This Month’s Activity” report.
This would contain the AWS service charges and Outstanding balance. If you further scroll down, you should find the details on the charges incurred for each services.
If you are looking for previous months billing statement then you can use the “Select a different statement” drop down to select billing period.