Flex report to retrieve Document DB details at the Instance level.
You can utilize the following Flex report query to retrieve instance level cost categorized by the usage for Document DB.
{
"sqlStatement": "SELECT timeInterval_Month AS Month, SUM(lineItem_UnblendedCost) AS SUM_lineItem_UnblendedCost, product_ProductName AS Product_ProductName, product_productFamily AS Product_productFamily, lineItem_ResourceId AS LineItem_ResourceId FROM AWS_CUR WHERE (product_ProductName LIKE '%Amazon DocumentDB%') GROUP BY timeInterval_Month, product_ProductName, product_productFamily, lineItem_ResourceId",
"needBackLinkingForTags": true,
"dataGranularity": "MONTHLY",
"timeRange": {
"last": 3
},
"limit": -1
}