1. Go to SAP Tcode VF11
or path :Logistics -> Sales and Distribution
-> Billing -> Billing document -> Cancel
2. Save to cancel the document.
3.Or If you want to display document (VF03) first, Click "Glass" button
4. Click "Document billing overview" button for checking original billing document & cancel document
5. Click Split analysis button to display detail fields.
Remarks :A Billing Document that has been sent to a customer must not be cancelled.
A further Credit memo must be created in these cases.