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 (loss)	$ 971	$ 770
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals and interest, net of amortization	(96)	(44)
Trading securities purchases, sales and maturities, net	124	33
Change in premiums and fees receivable	42	(48)
Change in accrued investment income	(86)	(90)
Change in future contract benefits and other contract holder funds	(264)	141
Change in reinsurance related assets and liabilities	71	(210)
Change in federal income tax accruals	44	255
Realized gain (loss)	(28)	170
(Gain) loss on early extinguishment of debt	0	8
Amortization of deferred gain on business sold through reinsurance	(56)	(56)
(Gain) loss on disposal of discontinued operations	1	3
Other	(57)	2
Net cash provided by (used in) operating activities	666	934
Cash Flows from Investing Activities
Purchases of available-for-sale securities	(8,437)	(8,540)
Sales of available-for-sale securities	965	1,274
Maturities of available-for-sale securities	4,471	3,988
Purchases of other investments	(1,418)	(2,202)
Sales or maturities of other investments	1,622	2,336
Increase (decrease) in payables for collateral on investments	833	2,196
Other	(103)	(63)
Net cash provided by (used in) investing activities	(2,067)	(1,011)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(300)	(275)
Issuance of long-term debt, net of issuance costs	300	298
Increase (decrease) in commercial paper, net	0	(100)
Deposits of fixed account values, including the fixed portion of variable	7,612	8,187
Withdrawals of fixed account values, including the fixed portion of variable	(4,103)	(3,750)
Transfers to and from separate accounts, net	(1,775)	(1,763)
Common stock issued for benefit plans and excess tax benefits	(3)	(6)
Repurchase of common stock	(400)	(375)
Dividends paid to common and preferred stockholders	(67)	(48)
Net cash provided by (used in) financing activities	1,264	2,168
Net increase (decrease) in cash and invested cash, including discontinued operations	(137)	2,091
Cash and invested cash, including discontinued operations, as of beginning-of-year	4,510	2,741
Cash and invested cash, including discontinued operations, as of end-of-period	$ 4,373	$ 4,832