Enterprise Resource Planning (ERP) and related systems such as Supply Chain Management (SCM) and Customer Relationship Management (CRM) are incorporating decision support tools and technologies. In this paper, it presents an intelligent decision support, which includes business intelligence, customer intelligence, supply chain intelligence and business analysis. This literature reviews the IDSS and combines literature in ERP and IDSS. The proposed of a multi-enterprise collaborative conceptual ERP-IDSS framework is created which contains SCM and CRM. This framework being together the ERP, CRM and SCM integration solutions offered by a host of well-know venders in the marketplace. This integrates a decision support system with knowledge management, to provide guidance to decision-making during the planning process.