CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities
Net income	$ 1,912	$ 75
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	293	149
Realized capital gains and losses	(123)	(417)
(Gain) loss on disposition of operations	(15)	10
Interest credited to contractholder funds	959	1,240
Changes in:
Policy benefits and other insurance reserves	(769)	546
Unearned premiums	421	220
Deferred policy acquisition costs	13	129
Premium installment receivables, net	(178)	(158)
Reinsurance recoverables, net	(139)	(275)
Income taxes	669	(183)
Other operating assets and liabilities	(425)	335
Net cash provided by operating activities	2,618	1,671
Proceeds from sales
Fixed income securities	13,952	23,916
Equity securities	1,345	1,116
Limited partnership interests	1,067	762
Mortgage loans	11	74
Other investments	104	149
Investment collections
Fixed income securities	3,892	3,864
Mortgage loans	682	491
Other investments	70	105
Investment purchases
Fixed income securities	(16,809)	(21,900)
Equity securities	(385)	(1,066)
Limited partnership interests	(1,232)	(1,159)
Mortgage loans	(472)	(896)
Other investments	(275)	(199)
Change in short-term investments, net	(1,284)	64
Change in other investments, net	(6)	(357)
Purchases of property and equipment, net	(176)	(160)
Disposition of operations	13	1
Net cash provided by investing activities	497	4,805
Cash flows from financing activities
Proceeds from issuance of long-term debt	493
Repayment of long-term debt	(351)	(1)
Contractholder fund deposits	1,571	1,606
Contractholder fund withdrawals	(3,938)	(6,439)
Dividends paid	(322)	(327)
Treasury stock purchases	(729)	(858)
Shares reissued under equity incentive plans, net	60	18
Excess tax benefits on share-based payment arrangements	7	(4)
Other	(40)	(7)
Net cash used in financing activities	(3,249)	(6,012)
Net (decrease) increase in cash	(134)	464
Cash at beginning of period	776	562
Cash at end of period	$ 642	$ 1,026