CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Investments
Fixed Maturity Securities - at fair value (amortized cost: $36,888.0; $36,640.7)	$ 42,411.2	$ 42,486.7
Mortgage Loans	1,615.9	1,612.3
Policy Loans	3,049.0	3,051.4
Other Long-term Investments	635.5	639.2
Short-term Investments	1,441.2	1,423.5
Total Investments	49,152.8	49,213.1
Other Assets
Cash and Bank Deposits	102.5	116.6
Accounts and Premiums Receivable	1,713.8	1,672.2
Reinsurance Recoverable	4,824.4	4,854.6
Accrued Investment Income	736.9	681.8
Deferred Acquisition Costs	1,699.7	1,677.1
Goodwill	201.5	201.2
Property and Equipment	497.4	493.3
Other Assets	642.8	645.3
Total Assets	59,571.8	59,555.2
Liabilities
Policy and Contract Benefits	1,470.5	1,494.0
Reserves for Future Policy and Contract Benefits	42,965.5	43,051.9
Unearned Premiums	490.4	433.2
Other Policyholders' Funds	1,638.4	1,625.9
Income Tax Payable	98.4	38.2
Deferred Income Tax	88.9	44.7
Short-term Debt	372.2	312.3
Long-term Debt	2,552.8	2,570.2
Other Liabilities	1,714.8	1,815.1
Total Liabilities	51,391.9	51,385.5
Commitments and Contingent Liabilities - Note 9
Stockholders' Equity
Common Stock, $0.10 par, Authorized: 725,000,000 shares Issued: 359,304,646 and 358,691,567 shares	35.9	35.9
Additional Paid-in Capital	2,600.4	2,591.1
Accumulated Other Comprehensive Income (Loss)
Net Unrealized Gain on Securities Not Other-Than-Temporarily Impaired	584.4	614.8
Net Gain on Cash Flow Hedges	398.0	408.7
Foreign Currency Translation Adjustment	(89.4)	(117.6)
Unrecognized Pension and Postretirement Benefit Costs	(437.6)	(444.1)
Retained Earnings	6,793.5	6,611.0
Treasury Stock - at cost: 73,492,245 shares and 65,975,613 shares	(1,705.3)	(1,530.1)
Total Stockholders' Equity	8,179.9	8,169.7
Total Liabilities and Stockholders' Equity	$ 59,571.8	$ 59,555.2