Having troubles implementing Cost and Usage Reports with several Payer Accounts ? Edifixio points out a solution for you.
Managed services
Context:

AWS guidelines: https://console.aws.amazon.com/billing/home?#/reports/create and https://wellarchitectedlabs.com/cost/100_labs/100_1_aws_account_setup/3_cur/
- n master “payer” accounts.
- On each account, a S3 Bucket to store CURs.
- A single dashboard account where all CURs are merged into one QuickSight report.

AWS guidelines: https://console.aws.amazon.com/billing/home?#/reports/create and https://wellarchitectedlabs.com/cost/100_labs/100_1_aws_account_setup/3_cur/