Consolidated Balance Sheet (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets:
Cash and cash equivalents	$ 1,422	$ 1,324
Investments:
Fixed maturities, available for sale at fair value (amortized cost - $20,994 and $20,562)	22,371	21,807
Fixed maturities, trading at fair value	457	440
Equity securities, at fair value (cost - $800 and $744)	1,054	928
Mortgage loans	438	401
Policy loans	249	252
Real estate and other investments	487	425
Total cash and investments	26,478	25,577
Recoverables from reinsurers	2,678	2,942
Prepaid reinsurance premiums	415	409
Agents' balances and premiums receivable	550	565
Deferred policy acquisition costs	916	901
Assets of managed investment entities	2,952	3,058
Other receivables	625	895
Variable annuity assets (separate accounts)	601	548
Other assets	810	757
Goodwill	186	186
Total assets	36,211	35,838
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	6,117	6,520
Unearned premiums	1,496	1,484
Annuity benefits accumulated	16,064	15,420
Life, accident and health reserves	1,739	1,727
Payable to reinsurers	292	475
Liabilities of managed investment entities	2,672	2,787
Long-term debt	931	934
Variable annuity liabilities (separate accounts)	601	548
Other liabilities	1,567	1,386
Total liabilities	31,479	31,281
Shareholders' equity:
Common Stock, no par value - 200,000,000 shares authorized - 97,177,820 and 97,846,402 shares outstanding	97	98
Capital surplus	1,126	1,121
Retained earnings:
Appropriated - managed investment entities	145	173
Unappropriated	2,498	2,439
Accumulated other comprehensive income, net of tax	714	580
Total shareholders' equity	4,580	4,411
Noncontrolling interests	152	146
Total equity	4,732	4,557
Total liabilities and equity	$ 36,211	$ 35,838