Consolidated Balance Sheets (Unaudited) (USD $) In Millions, except Per Share data	Sep. 30, 2011	Dec. 31, 2010
Investments
Fixed maturities, at fair value	$ 16,272	$ 14,709
Equity securities, at fair value	134	127
Commercial mortgage loans	3,299	3,486
Policy loans	1,610	1,581
Real estate	112	112
Other long-term investments	884	759
Short-term investments	290	174
Total investments	22,601	20,948
Cash and cash equivalents	1,902	1,605
Accrued investment income	276	235
Premiums, accounts and notes receivable, net	1,439	1,318
Reinsurance recoverables	6,305	6,495
Deferred policy acquisition costs	1,259	1,122
Property and equipment	978	912
Deferred income taxes, net	485	782
Goodwill	3,116	3,119
Other assets, including other intangibles	1,525	1,238
Separate account assets	7,918	7,908
Total assets	47,804	45,682
Liabilities
Contractholder deposit funds	8,528	8,509
Future policy benefits	8,654	8,147
Unpaid claims and claim expenses	4,131	4,017
Health Care medical claims payable	1,145	1,246
Unearned premiums and fees	522	416
Total insurance and contractholder liabilities	22,980	22,335
Accounts payable, accrued expenses and other liabilities	5,932	5,936
Short-term debt	330	552
Long-term debt	2,883	2,288
Separate account liabilities	7,918	7,908
Total liabilities	40,043	39,019
Shareholders' Equity
Common stock (par value per share, $0.25; shares issued, 351)	88	88
Additional paid-in capital	2,561	2,534
Net unrealized appreciation, fixed maturities	704	529
Net unrealized appreciation, equity securities	0	3
Net unrealized depreciation, derivatives	(21)	(24)
Net translation of foreign currencies	10	25
Postretirement benefits liability adjustment	(1,134)	(1,147)
Accumulated other comprehensive loss	(441)	(614)
Retained earnings	10,855	9,879
Less treasury stock, at cost	(5,302)	(5,242)
Total shareholders' equity	7,761	6,645
Noncontrolling interest	0	18
Total equity	7,761	6,663
Total liabilities and equity	$ 47,804	$ 45,682
Shareholders' Equity Per Share	$ 28.72	$ 24.44