https://learn.microsoft.com/en-us/powershell/module/exchange/set-calendarprocessing?view=exchange-ps
-DeleteAttachments
The DeleteAttachments parameter specifies whether to remove attachments from all incoming messages. Valid values are:
$true: Remove any attachments in incoming messages. This is the default value.
$false: Preserve any attachments in incoming messages.
Is that what you mean by details?
-DeleteSubject
The DeleteSubject parameter specifies whether to remove or keep the subject of incoming meeting requests. Valid values are:
$true: Remove the Subject value of incoming meeting requests. This is the default value.
$false: Preserve The Subject value of incoming meeting requests.