CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Fixed maturities, at fair value (amortized cost: 2013 - $27,196,813; 2012 - $26,661,310)	$ 30,047,749	$ 29,769,978
Fixed maturities, at amortized cost (fair value: 2013 - $334,579; 2012 - $319,163)	315,000	300,000
Equity securities, at fair value (cost: 2013 - $406,661; 2012 - $371,827)	376,117	373,715
Mortgage loans (2013 and 2012 includes: $728,671 and $765,520 related to securitizations)	4,834,342	4,948,625
Investment real estate, net of accumulated depreciation (2013 - $805; 2012 - $771)	6,484	6,517
Policy loans	862,202	865,391
Other long-term investments	361,599	378,821
Short-term investments	160,301	216,787
Total investments	36,963,794	36,859,834
Cash	171,443	269,582
Accrued investment income	358,936	350,804
Accounts and premiums receivable, net of allowance for uncollectible amounts (2013 - $4,248; 2012 - $4,191)	89,478	67,891
Reinsurance receivables	5,714,531	5,682,841
Deferred policy acquisition costs and value of business acquired	3,252,030	3,225,356
Goodwill	82,998	83,773
Property and equipment, net of accumulated depreciation (2013 - $105,331; 2012 - $103,625)	48,459	47,391
Other assets	353,806	343,925
Income tax receivable		61,952
Assets related to separate accounts
Variable annuity	10,670,833	9,601,417
Variable universal life	605,622	562,817
Total assets	58,311,930	57,157,583
Liabilities
Future policy benefits and claims	21,792,993	21,626,065
Unearned premiums	1,382,545	1,352,872
Total policy liabilities and accruals	23,175,538	22,978,937
Stable value product account balances	2,544,609	2,510,559
Annuity account balances	10,524,393	10,658,463
Other policyholders' funds	569,533	566,985
Other liabilities	1,183,859	1,210,579
Income tax payable	12,288
Deferred income taxes	1,736,926	1,783,713
Non-recourse funding obligations	1,456,900	1,446,900
Repurchase program borrowings	300,000	150,000
Liabilities related to separate accounts
Variable annuity	10,670,833	9,601,417
Variable universal life	605,622	562,817
Total liabilities	52,780,501	51,470,370
Commitments and contingencies - Note 7
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: 2013 and 2012 - 5,000,000	5,000	5,000
Additional paid-in-capital	1,363,258	1,363,258
Retained earnings	2,487,796	2,507,829
Accumulated other comprehensive income (loss):
Net unrealized gains (losses) on investments, net of income tax: (2013 - $900,217; 2012 - $979,251)	1,671,831	1,818,608
Net unrealized (losses) gains relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, net of income tax: (2013 - $2,072; 2012 - $(2,147))	3,849	(3,988)
Accumulated loss - derivatives, net of income tax: (2013 - $(166); 2012 - $(1,883))	(307)	(3,496)
Total shareowner's equity	5,531,429	5,687,213
Total liabilities and shareowner's equity	$ 58,311,930	$ 57,157,583