CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Investments
Fixed Maturity Securities - at fair value (amortized cost: $36,640.7; $36,546.6)	$ 42,486.7		$ 40,035.6
Mortgage Loans	1,612.3	[1]	1,516.8
Policy Loans	3,051.4		2,996.1
Other Long-term Investments	639.2		529.3
Short-term Investments	1,423.5		1,163.1
Total Investments	49,213.1		46,240.9
Other Assets
Cash and Bank Deposits	116.6		53.6
Accounts and Premiums Receivable	1,672.2		1,665.8
Reinsurance Recoverable	4,854.6		4,827.9
Accrued Investment Income	681.8		669.8
Deferred Acquisition Costs	2,300.9		2,521.1
Goodwill	201.2		201.2
Property and Equipment	493.3		476.8
Other Assets	645.3		650.6
Total Assets	60,179.0		57,307.7
Liabilities
Policy and Contract Benefits	1,494.0		1,565.0
Reserves for Future Policy and Contract Benefits	43,051.9		39,715.0
Unearned Premiums	433.2		436.7
Other Policyholders' Funds	1,625.9		1,669.7
Income Tax Payable	38.2		135.7
Deferred Income Tax Liabilities	261.2		417.2
Short-term Debt	312.3		225.1
Long-term Debt	2,570.2		2,631.3
Other Liabilities	1,815.1		1,567.6
Total Liabilities	51,602.0		48,363.3
Commitments and Contingent Liabilities - Note 13
Stockholders' Equity
Common Stock, $0.10 par, Authorized: 725,000,000 shares Issued: 358,691,567 and 364,842,919 shares	35.9		36.5
Additional Paid-in Capital	2,591.1		2,615.4
Accumulated Other Comprehensive Income (Loss)
Net Unrealized Gain on Securities Not Other-Than-Temporarily Impaired	605.8		408.3
Net Unrealized Gain on Securities Other-Than-Temporarily Impaired	0		2.1
Net Gain on Cash Flow Hedges	408.7		361.0
Foreign Currency Translation Adjustment	(121.5)		(110.9)
Unrecognized Pension and Postretirement Benefit Costs	(444.1)		(318.6)
Retained Earnings	7,031.2		7,060.8
Treasury Stock - at cost: 65,975,613 shares and 48,269,467 shares	(1,530.1)		(1,110.2)
Total Stockholders' Equity	8,577.0		8,944.4
Total Liabilities and Stockholders' Equity	$ 60,179.0		$ 57,307.7

[1] Amortized cost for fixed maturity securities and mortgage loans represents original cost reduced by repayments, write-downs from other-than-temporary declines in fair value, amortization of premiums, and accretion of discounts.