Humana is a holding company. Through its subsidiaries, Co. is a health and well-being company. Co.'s medical and specialty insurance products allow members to access health care services primarily through its networks of health care providers with whom it has contracted. Co. manages its business with three reportable segments: Retail, which is comprised of products sold on a retail basis to individuals including medical and supplemental benefit plans; Group and Specialty, which consists of employer group commercial fully-insured medical and specialty health insurance benefits; and Healthcare Services, which includes pharmacy, provider, and home services.