Enable AWS Billing, Budget, Cost & Usage Reporting Read Only Access to IAM Users

readme.txt

First, read https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/control-access-billing.html to enable IAM users access to billing,
budget, and cost & usage reporting console.

Next, apply SelfService-AWSBillingReadOnly.json to the users you desire read only access to billing, budget, and cost information in the 
AWS console.

SelfService-AWSBillingReadOnly.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "aws-portal:View*",
        "budgets:View*",
        "cur:Describe*",
        "purchase-orders:View*"
      ],
      "Resource": "*"
    }
  ]
}