Cigna Corp was incorporated in Delaware in 1981. The Company is a health services organization. It offers a differentiated set of medical, dental, disability, life and accident insurance and related products and services. The Company operates in four reportable segments Global Health Care; Global Supplemental Benefits; Group Disability and Life; Other Operations. The Global Health Care aggregates the Commercial and Government operating segments. The Commercial operating segment encompasses both the U.S. commercial and certain international health care businesses serving employers and their employees, other groups, and individuals. Products and services include medical, dental, behavioral health, vision, and prescription drug benefit plans, health advocacy programs and other products and services to insured and self-insured customers. The Government operating segment offers Medicare Advantage and Medicare Part D plans to seniors and Medicaid plans. Global Supplemental Benefits offers supplemental health, life and accident insurance products in selected international markets and in the U.S. Group Disability and Life provides group long-term and short-term disability, group life, accident and specialty insurance products and related services. The Other Operations segment includes the results from the run-off reinsurance and settlement annuity businesses, as well as the remaining deferred gains recognized from the sale of the individual life insurance and annuity and retirement benefits businesses. The Commercial operating segment, either directly or through its partners, offers some or all of its products in all 50 states, the District of Columbia, the U.S. Virgin Islands, Canada, Europe, the Middle East, and Asia. It offers a variety of medical plans including - Managed Care Plans including HMO, Network, Network Open Access and Open Access Plus; PPO Plans; and Choice Fund Suite of Consumer-Driven Products. Its government health plans includes Medicare Advantage; Medicare Part D; and Medicaid. The Company offers health care and related products and services in the following customer segments or markets - national; middle market; select, individual; government; and international. The Company's competitors in U.S.-based health care businesses include other national insurance and health services companies that provide group health and life insurance products; not for profit managed care organizations; other regional stand-alone managed care and specialty companies; managed care organizations affiliated with insurance companies and hospitals; and national managed pharmacy, behavioral health and utilization review services companies. Its competitors in the international health care business include U.S. and other health insurance companies with health benefits operations.