Detailed Billing Reports - Amazon Data Exports
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Detailed Billing Reports

Important

The Detailed Billing Reports feature is unavailable for new customers as of July 8, 2019.

Detailed Billing Reports (DBR) contain similar information to Amazon Cost and Usage Reports (Amazon CUR) regarding your charges, but calculates the individual line items differently. If you've signed up for both the DBR and Amazon CUR, the line items don't match. However, when the reports are finalized at the end of the month, the total cost will align.

Amazon stores DBR in Amazon S3 as CSV files using the following naming convention:

Amazon account number-aws-billing-detailed-line-items-yyyy-mm.csv.zip

Amazon recreates Detailed Billing Reports (DBR) multiple times a day, overwriting the reports. When Amazon overwrites reports, line items might be in a different order than they were in previous reports. A final report is created at the end of the month. For the next month, Amazon creates a new report file instead of overwriting the final report from the previous month. Reports for previous months remain in your S3 bucket until you delete them.

For information on how to migrate your DBR to Amazon CUR, see Migrating from Detailed Billing Reports to Cost and Usage Reports.