Merge pull request #46450 from flanakin/patch-9

Add note about "Others" resource name/type/group

Author: ktoliver

articles/cost-management-billing/understand/understand-usage.md

@@ -86,11 +86,11 @@ PublisherType | All | Type of publisher (Values: **Azure**, **AWS**, **Marketpla
 Quantity | All | The number of units purchased or consumed.
 ReservationId | EA, MCA | Unique identifier for the purchased reservation instance.
 ReservationName | EA, MCA | Name of the purchased reservation instance.
-ResourceGroup | All | Name of the [resource group](https://docs.microsoft.com/azure/azure-resource-manager/resource-group-overview) the resource is in.
+ResourceGroup | All | Name of the [resource group](https://docs.microsoft.com/azure/azure-resource-manager/resource-group-overview) the resource is in. Not all charges come from resources deployed to resource groups. Charges that do not have a resource group will be shown as null/empty, **Others**, or **Not applicable**.
 ResourceId<sup>1</sup> | All | Unique identifier of the [Azure Resource Manager](https://docs.microsoft.com/rest/api/resources/resources) resource.
 ResourceLocation | All | Datacenter location where the resource is running. See Location.
-ResourceName | EA, PAYG | Name of the resource.
-ResourceType | MCA | Type of resource instance.
+ResourceName | EA, PAYG | Name of the resource. Not all charges come from deployed resources. Charges that do not have a resource type will be shown as null/empty, **Others**, or **Not applicable**.
+ResourceType | MCA | Type of resource instance. Not all charges come from deployed resources. Charges that do not have a resource type will be shown as null/empty, **Others**, or **Not applicable**.
 ServiceFamily | MCA | Service family that the service belongs to.
 ServiceInfo1 | All | Service-specific metadata.
 ServiceInfo2 | All | Legacy field with optional service-specific metadata.