KDDI CORPORATION is a telecommunications company. The Company operates in four segments. The Personal segment is engaged in the provision of communication services for personal and home, including au mobile phone, and fiber-to-the-home (FTTH) and cable television (CATV) services, among others. The Life Design segment provides commerce services, financial services, payment services, and content services such as video, music and information distribution. The Business segment offers various communication services, the sale of mobile handset, data center services and various Information and Communication Technology (ICT) solutions/cloud-based services to enterprise customers. The Global segment offers various communication services, data center services and various ICT solutions/Cloud-based services to to overseas customers. The Company also provides communication equipment maintenance service, as well as the research and development services of information communication.