Understanding billing with AWS Organizations
When you operate with AWS Organizations, you receive one aggregated bill that shows usage for every account in your organization. AWS calls this consolidated billing. This consolidated bill shows both aggregated usage for the organization and usage per account, enabling you to conduct proper chargeback mechanisms or create showbacks for visibility.
Important note
In information technology (IT), a chargeback is the practice of charging business units (BUs) for their IT usage, whereas a showback is the practice of showing BUs their spending but internally reconciling from a central budget.
If your business requires separate bills for every AWS account, then you should not combine accounts with AWS Organizations. This, however, prohibits you from taking advantage of volume-tier discounts, which will help reduce costs.
Some services in AWS provide a volume-based discount—the more you use, the better the deal. With consolidated...