CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets
Fixed maturities, at fair value (amortized cost: 2011 - $26,109,131; 2010 - $23,967,656)	$ 27,957,565	$ 24,644,187
Equity securities, at fair value (cost: 2011 - $303,578; 2010 - $307,971)	292,413	317,255
Mortgage loans (includes amounts related to securitizations of: 2011 - $858,139; 2010 - $934,655)	5,351,902	4,883,400
Investment real estate, net of accumulated depreciation (2011 - $320; 2010 - $767)	10,991	7,196
Policy loans	879,819	793,448
Other long-term investments	264,031	283,002
Short-term investments	101,470	349,245
Total investments	34,858,191	31,277,733
Cash	169,775	236,998
Accrued investment income	347,857	322,351
Accounts and premiums receivable, net of allowance for uncollectible amounts (2011 - $3,864; 2010 - $4,295)	68,641	42,544
Reinsurance receivables	5,542,417	5,504,291
Deferred policy acquisition costs and value of business acquired	4,011,936	3,822,572
Goodwill	86,871	89,970
Property and equipment, net of accumulated depreciation (2011 - $132,579; 2010 - $128,437)	47,997	38,597
Other assets	351,327	399,205
Income tax receivable	62,311	37,628
Assets related to separate accounts
Variable annuity	6,741,959	5,170,193
Variable universal life	502,617	534,219
Total assets	52,791,899	47,476,301
Liabilities
Future policy benefits and claims	20,867,727	18,530,265
Unearned premiums	1,218,258	1,141,925
Total policy liabilities and accruals	22,085,985	19,672,190
Stable value product account balances	2,769,510	3,076,233
Annuity account balances	10,946,848	10,591,605
Other policyholders' funds	546,516	577,924
Other liabilities	970,047	834,274
Mortgage loan backed certificates	19,755	61,678
Deferred income taxes	1,573,764	1,035,173
Non-recourse funding obligations	1,248,600	1,360,800
Liabilities related to separate accounts
Variable annuity	6,741,959	5,170,193
Variable universal life	502,617	534,219
Total liabilities	47,405,601	42,914,289
Commitments and contingencies - Note 11
Shareowner's equity
Preferred Stock; $1 par value, shares authorized: 2,000; Liquidation preference: $2,000	2	2
Common Stock, $1 par value, shares authorized and issued: 2011 and 2010 - 5,000,000	5,000	5,000
Additional paid-in-capital	1,361,734	1,361,734
Retained earnings	2,984,466	2,852,032
Accumulated other comprehensive income (loss):
Net unrealized gains (losses) on investments, net of income tax: (2011 - $579,844; 2010 - $196,358)	1,076,854	364,664
Net unrealized (losses) gains relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, net of income tax: (2011 - $(18,374); 2010 - $(5,179))	(34,124)	(9,618)
Accumulated (loss) - hedging, net of income tax: (2011 - $(4,111); 2010 - $(6,355))	(7,634)	(11,802)
Total shareowner's equity	5,386,298	4,562,012
Total liabilities and shareowner's equity	$ 52,791,899	$ 47,476,301