Organization	9 Months Ended
Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization References to the terms “we”, “our”, “us”, “WellPoint” or the “Company” used throughout these Notes to Consolidated Financial Statements refer to WellPoint, Inc., an Indiana corporation, and unless the context otherwise requires, its direct and indirect subsidiaries. We are one of the largest health benefits companies in the United States, serving 35.5 medical members through our affiliated health plans and approximately 67.4 individuals through all subsidiaries as of September 30, 2013. We offer a broad spectrum of network-based managed care plans to large and small employer, individual, Medicaid and Medicare markets. Our managed care plans include: preferred provider organizations, or PPOs; health maintenance organizations, or HMOs; point-of-service, or POS, plans; traditional indemnity plans and other hybrid plans, including consumer-driven health plans, or CDHPs; and hospital only and limited benefit products. In addition, we provide a broad array of managed care services to self-funded customers, including claims processing, underwriting, stop loss insurance, actuarial services, provider network access, medical cost management, disease management, wellness programs and other administrative services. We provide an array of specialty and other insurance products and services such as behavioral health benefit services, dental, vision, life and disability insurance benefits, radiology benefit management, analytics-driven personal health care guidance and long-term care insurance. We also provide services to the Federal Government in connection with the Federal Employee Program, or FEP, and various Medicare programs. Finally, we sell contact lenses, eyeglasses and other ocular products through our 1-800 CONTACTS, Inc., or 1-800 CONTACTS, business. We are an independent licensee of the Blue Cross and Blue Shield Association, or BCBSA, an association of independent health benefit plans. We serve our members as the Blue Cross licensee for California; the Blue Cross and Blue Shield, or BCBS, licensee for Colorado, Connecticut, Georgia, Indiana, Kentucky, Maine, Missouri (excluding 30 counties in the Kansas City area), Nevada, New Hampshire, New York (as the BCBS licensee in 10 New York City metropolitan and surrounding counties and as the Blue Cross or BCBS licensee in selected upstate counties only), Ohio, Virginia (excluding the Northern Virginia suburbs of Washington, D.C.) and Wisconsin. In a majority of these service areas we do business as Anthem Blue Cross, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Georgia, Empire Blue Cross Blue Shield, or Empire Blue Cross (in our New York service areas). Through our AMERIGROUP Corporation subsidiary, or Amerigroup, we conduct business in Florida, Georgia, Kansas, Louisiana, Maryland, Nevada, New Jersey, New Mexico, New York, Tennessee, Texas and Washington. Amerigroup also provided services to the state of Ohio through June 30, 2013. We also serve customers throughout the country as HealthLink, UniCare and in certain Arizona, California, Nevada, New York and Virginia markets through our CareMore Health Group, Inc., or CareMore, subsidiary. We are licensed to conduct insurance operations in all 50 states through our subsidiaries.

Organization

References to the terms “we”, “our”, “us”, “WellPoint” or the “Company” used throughout these Notes to Consolidated Financial Statements refer to WellPoint, Inc., an Indiana corporation, and unless the context otherwise requires, its direct and indirect subsidiaries.

We are one of the largest health benefits companies in the United States, serving 35.5 medical members through our affiliated health plans and approximately 67.4 individuals through all subsidiaries as of September 30, 2013. We offer a broad spectrum of network-based managed care plans to large and small employer, individual, Medicaid and Medicare markets. Our managed care plans include: preferred provider organizations, or PPOs; health maintenance organizations, or HMOs; point-of-service, or POS, plans; traditional indemnity plans and other hybrid plans, including consumer-driven health plans, or CDHPs; and hospital only and limited benefit products. In addition, we provide a broad array of managed care services to self-funded customers, including claims processing, underwriting, stop loss insurance, actuarial services, provider network access, medical cost management, disease management, wellness programs and other administrative services. We provide an array of specialty and other insurance products and services such as behavioral health benefit services, dental, vision, life and disability insurance benefits, radiology benefit management, analytics-driven personal health care guidance and long-term care insurance. We also provide services to the Federal Government in connection with the Federal Employee Program, or FEP, and various Medicare programs. Finally, we sell contact lenses, eyeglasses and other ocular products through our 1-800 CONTACTS, Inc., or 1-800 CONTACTS, business.

We are an independent licensee of the Blue Cross and Blue Shield Association, or BCBSA, an association of independent health benefit plans. We serve our members as the Blue Cross licensee for California; the Blue Cross and Blue Shield, or BCBS, licensee for Colorado, Connecticut, Georgia, Indiana, Kentucky, Maine, Missouri (excluding 30 counties in the Kansas City area), Nevada, New Hampshire, New York (as the BCBS licensee in 10 New York City metropolitan and surrounding counties and as the Blue Cross or BCBS licensee in selected upstate counties only), Ohio, Virginia (excluding the Northern Virginia suburbs of Washington, D.C.) and Wisconsin. In a majority of these service areas we do business as Anthem Blue Cross, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Georgia, Empire Blue Cross Blue Shield, or Empire Blue Cross (in our New York service areas). Through our AMERIGROUP Corporation subsidiary, or Amerigroup, we conduct business in Florida, Georgia, Kansas, Louisiana, Maryland, Nevada, New Jersey, New Mexico, New York, Tennessee, Texas and Washington. Amerigroup also provided services to the state of Ohio through June 30, 2013. We also serve customers throughout the country as HealthLink, UniCare and in certain Arizona, California, Nevada, New York and Virginia markets through our CareMore Health Group, Inc., or CareMore, subsidiary. We are licensed to conduct insurance operations in all 50 states through our subsidiaries.