Consolidated Balance Sheet (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets:
Cash and cash equivalents	$ 1,523	$ 1,324
Investments:
Fixed maturities, available for sale at fair value (amortized cost - $21,373 and $20,562)	22,981	21,807
Fixed maturities, trading at fair value	447	440
Equity securities, at fair value (cost - $897 and $744)	1,121	928
Mortgage loans	488	401
Policy loans	247	252
Real estate and other investments	494	425
Total cash and investments	27,301	25,577
Recoverables from reinsurers	2,740	2,942
Prepaid reinsurance premiums	488	409
Agents' balances and premiums receivable	702	565
Deferred policy acquisition costs	846	901
Assets of managed investment entities	2,825	3,058
Other receivables	673	895
Variable annuity assets (separate accounts)	574	548
Other assets	717	757
Goodwill	186	186
Total assets	37,052	35,838
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	6,153	6,520
Unearned premiums	1,661	1,484
Annuity benefits accumulated	16,758	15,420
Life, accident and health reserves	1,750	1,727
Payable to reinsurers	396	475
Liabilities of managed investment entities	2,502	2,787
Long-term debt	1,158	934
Variable annuity liabilities (separate accounts)	574	548
Other liabilities	1,325	1,386
Total liabilities	32,277	31,281
Shareholders' equity:
Common Stock, no par value - 200,000,000 shares authorized - 94,959,232 and 97,846,402 shares outstanding	95	98
Capital surplus	1,112	1,121
Retained earnings:
Appropriated - managed investment entities	127	173
Unappropriated	2,515	2,439
Accumulated other comprehensive income, net of tax	773	580
Total shareholders' equity	4,622	4,411
Noncontrolling interests	153	146
Total equity	4,775	4,557
Total liabilities and equity	$ 37,052	$ 35,838