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Go to https://docs.oracle.com/en-us/iaas/Content/Billing/Tasks/accessingusagereports.htm#Accessing_Cost_and_Usage_Reports and get the required policy from the “Required IAM Policy” section.
(We got this one on 2022-07-28, please check for updates!).
To use cost and usage reports, the following policy statement is required:define tenancy usage-report as ocid1.tenancy.oc1..aaaaaaaaned4fkpkisbwjlr56u7cj63lf3wffbilvqknstgtvzub7vhasdfas aaaaaaaaned4fkpkisbwjlr56u7cj63lf3wffbilvqknstgtvzub7vhqkggq
endorse group <group> to read objects in tenancy usage-report
Replace your OCI tenancy and replace “<group>” with the OCI user’s group
In OCI, go to Identity → Policies and add the policy
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