AWS allows to create automatic categories that are shown in CUR files

"You can use AWS Cost Categories to map your AWS costs and usage into meaningful categories. With cost categories, you can organize your costs using a rule-based engine. The rules that you configure will organize your costs into categories. You can then use these categories across products in the AWS Billing and Cost Management console, including Cost Explorer, AWS Budgets, and AWS Cost and Usage Reports (AWS CUR)."

https://aws.amazon.com/aws-cost-management/aws-cost-categories/

Being able to show cost categories will more properly align with the use of AWS