Aetna Inc. is a diversified healthcare benefits company. The Company operates through three segments: Health Care, Group Insurance and Large Case Pensions. It offers a range of traditional, voluntary and consumer-directed health insurance products and related services, including medical, pharmacy, dental, behavioral health, group life and disability plans, medical management capabilities, Medicaid healthcare management services, Medicare Advantage and Medicare Supplement plans, workers' compensation administrative services and health information technology (HIT) products and services. The Health Care segment consists of medical, pharmacy benefit management services, dental, behavioral health and vision plans offered on both an Insured basis and an employer-funded basis, and emerging businesses products and services. The Group Insurance segment includes group life insurance and group disability products. Its products are offered on an Insured basis.