Aetna Inc. is a diversified health care benefits company. The Company offers a range of traditional, voluntary and consumer-directed health insurance products and related services. The Company's operations are conducted in three business segments: Health Care, Group Insurance and Large Case Pensions. The Company's Health Care segment includes medical, pharmacy benefit management services, dental, behavioral health and vision plans. The Company's Group Insurance segment's products consist primarily of Life Insurance Products, Disability Insurance Products and Long-Term Care Insurance Products. The Company's Large Case Pensions segment manages a variety of retirement products (including pension and annuity products) primarily for tax-qualified pension plans. The Company's customers include employer groups, individuals, college students, part-time and hourly workers, health plans, health care providers, Governmental units, Government-sponsored plans, labor groups and expatriates.