CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income (loss)	$ 1,189	$ (100)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	201	89
Realized capital gains and losses	(195)	(153)
(Gain) loss on disposition of operations	(6)	13
Interest credited to contractholder funds	744	835
Changes in:
Policy benefits and other insurance reserves	(377)	665
Unearned premiums	27	(87)
Deferred policy acquisition costs	6	60
Premium installment receivables, net	(9)	(22)
Reinsurance recoverables, net	27	(40)
Income taxes	341	(226)
Other operating assets and liabilities	(174)	226
Net cash provided by operating activities	1,774	1,260
Proceeds from sales
Fixed income securities	9,918	14,140
Equity securities	1,275	854
Limited partnership interests	796	335
Mortgage loans	11	65
Other investments	88	109
Investment collections
Fixed income securities	2,141	2,385
Mortgage loans	458	308
Other investments	39	92
Investment purchases
Fixed income securities	(12,345)	(13,934)
Equity securities	(290)	(781)
Limited partnership interests	(664)	(765)
Mortgage loans	(267)	(536)
Other investments	(243)	(146)
Change in short-term investments, net	(392)	1,166
Change in other investments, net	(57)	(170)
Purchases of property and equipment, net	(116)	(106)
Disposition of operations		(1)
Net cash provided by investing activities	352	3,015
Cash flows from financing activities
Proceeds from issuance of long-term debt	493
Repayment of long-term debt	(351)	(1)
Contractholder fund deposits	1,005	1,120
Contractholder fund withdrawals	(2,665)	(4,508)
Dividends paid	(215)	(218)
Treasury stock purchases	(583)	(544)
Shares reissued under equity incentive plans, net	26	17
Excess tax benefits on share-based payment arrangements	4	(3)
Other	(45)	(7)
Net cash used in financing activities	(2,331)	(4,144)
Net (decrease) increase in cash	(205)	131
Cash at beginning of period	776	562
Cash at end of period	$ 571	$ 693