CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Investments
Fixed Maturity Securities - at fair value (amortized cost: $38,803.4; $38,289.6)	$ 45,064.9us-gaap_AvailableForSaleSecurities	$ 42,344.4us-gaap_AvailableForSaleSecurities
Mortgage Loans	1,856.6	1,815.1
Policy Loans	3,306.6us-gaap_LoansInsurancePolicy	3,276.0us-gaap_LoansInsurancePolicy
Other Long-term Investments	591.9us-gaap_OtherLongTermInvestments	566.0us-gaap_OtherLongTermInvestments
Short-term Investments	974.3us-gaap_OtherShortTermInvestments	913.4us-gaap_OtherShortTermInvestments
Total Investments	51,794.3us-gaap_Investments	48,914.9us-gaap_Investments
Other Assets
Cash and Bank Deposits	102.5us-gaap_Cash	94.1us-gaap_Cash
Accounts and Premiums Receivable	1,634.7us-gaap_PremiumsAndOtherReceivablesNet	1,647.8us-gaap_PremiumsAndOtherReceivablesNet
Reinsurance Recoverable	4,906.4us-gaap_ReinsuranceRecoverables	4,806.5us-gaap_ReinsuranceRecoverables
Accrued Investment Income	696.1	700.2
Deferred Acquisition Costs	1,901.3us-gaap_DeferredPolicyAcquisitionCosts	1,829.2us-gaap_DeferredPolicyAcquisitionCosts
Goodwill	198.7us-gaap_Goodwill	200.9us-gaap_Goodwill
Property and Equipment	531.7us-gaap_PropertyPlantAndEquipmentNet	511.9us-gaap_PropertyPlantAndEquipmentNet
Income Tax Receivable	69.5us-gaap_IncomeTaxReceivable	50.3us-gaap_IncomeTaxReceivable
Other Assets	661.9us-gaap_OtherAssets	647.8us-gaap_OtherAssets
Total Assets	62,497.1us-gaap_Assets	59,403.6us-gaap_Assets
Liabilities
Policy and Contract Benefits	1,529.3	1,511.0
Reserves for Future Policy and Contract Benefits	45,929.4	43,099.1
Unearned Premiums	396.6us-gaap_UnearnedPremiums	413.8us-gaap_UnearnedPremiums
Other Policyholders' Funds	1,657.8us-gaap_OtherPolicyholderFunds	1,658.4us-gaap_OtherPolicyholderFunds
Deferred Income Tax	78.4us-gaap_DeferredIncomeTaxLiabilities	144.3us-gaap_DeferredIncomeTaxLiabilities
Short-term Debt	151.9us-gaap_DebtCurrent	0us-gaap_DebtCurrent
Long-term Debt	2,628.7	2,612.0
Other Liabilities	1,572.6us-gaap_OtherLiabilities	1,305.9us-gaap_OtherLiabilities
Total Liabilities	53,944.7us-gaap_Liabilities	50,744.5us-gaap_Liabilities
Commitments and Contingent Liabilities - Note 14
Stockholders' Equity
Common Stock, $0.10 par; authorized: 725,000,000 shares; issued: 301,834,556 and 360,802,426 shares	30.2us-gaap_CommonStockValue	36.1us-gaap_CommonStockValue
Additional Paid-in Capital	2,221.2	2,634.1
Accumulated Other Comprehensive Income	166.4	255.0
Retained Earnings	7,332.8	8,083.2
Treasury Stock - at cost: 49,524,849 and 100,785,012 shares	(1,198.2)us-gaap_TreasuryStockValue	(2,349.3)us-gaap_TreasuryStockValue
Total Stockholders' Equity	8,552.4us-gaap_StockholdersEquity	8,659.1us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity	$ 62,497.1	$ 59,403.6

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Other investments not otherwise specified in the taxonomy that will be realized in a short period of time, usually less than one year or the normal operating cycle, whichever is longer.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after valuation allowance recoverable including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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Carrying amount of premiums written on insurance contracts that have not been earned as of the balance sheet date.

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