Consolidated Balance Sheet (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets:
Cash and cash equivalents	$ 1,626	$ 1,324
Investments:
Fixed maturities, available for sale at fair value (amortized cost - $21,760 and $20,562)	23,746	21,807
Fixed maturities, trading at fair value	309	440
Equity securities, at fair value (cost - $825 and $744)	1,031	928
Mortgage loans	566	401
Policy loans	229	252
Real estate and other investments	530	425
Total cash and investments	28,037	25,577
Recoverables from reinsurers	3,865	2,942
Prepaid reinsurance premiums	587	409
Agents' balances and premiums receivable	750	565
Deferred policy acquisition costs	621	901
Assets of managed investment entities	3,102	3,058
Other receivables	1,168	895
Variable annuity assets (separate accounts)	577	548
Other assets	741	757
Goodwill	185	186
Total assets	39,633	35,838
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	7,277	6,520
Unearned premiums	1,821	1,484
Annuity benefits accumulated	17,245	15,420
Life, accident and health reserves	1,699	1,727
Payable to reinsurers	656	475
Liabilities of managed investment entities	2,753	2,787
Long-term debt	966	934
Variable annuity liabilities (separate accounts)	577	548
Other liabilities	1,675	1,386
Total liabilities	34,669	31,281
Shareholders' equity:
Common Stock, no par value - 200,000,000 shares authorized - 90,846,962 and 97,846,402 shares outstanding	91	98
Capital surplus	1,071	1,121
Retained earnings:
Appropriated - managed investment entities	109	173
Unappropriated	2,577	2,439
Accumulated other comprehensive income, net of tax	931	580
Total shareholders' equity	4,779	4,411
Noncontrolling interests	185	146
Total equity	4,964	4,557
Total liabilities and equity	$ 39,633	$ 35,838