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AWS cur documentation change

Service: cur · 2026-04-10 · Documentation low

File: cur/latest/userguide/table-dictionary-cur2-line-item.md

Summary

Added documentation for a new column 'line_item_iam_principal' that captures the IAM ARN of the principal performing Amazon Bedrock model inference when IAM principal data is enabled in CUR 2.0 exports.

Security assessment

This change adds documentation about tracking IAM principals in cost and usage reports, which enhances security visibility and auditing capabilities. It enables attribution of Amazon Bedrock inference costs to specific IAM principals, supporting security monitoring and compliance requirements.

Diff

diff --git a/cur/latest/userguide/table-dictionary-cur2-line-item.md b/cur/latest/userguide/table-dictionary-cur2-line-item.md
index 5d0ef79ed..402670ac7 100644
--- a//cur/latest/userguide/table-dictionary-cur2-line-item.md
+++ b//cur/latest/userguide/table-dictionary-cur2-line-item.md
@@ -15,0 +16 @@ line_item_currency_code |  The currency that this line item is shown in. All AWS
+line_item_iam_principal |  The IAM ARN of the principal that performed the Amazon Bedrock model inference. This column is populated when you enable IAM principal data in your CUR 2.0 data export. Currently supported for Amazon Bedrock only. | string