Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities
Net income (loss)	$ 893	$ 992
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals and interest, net of amortization	(355)	(96)
Trading securities purchases, sales and maturities, net	90	124
Change in premiums and fees receivable	(47)	42
Change in accrued investment income	(96)	(86)
Change in future contract benefits and other contract holder funds	18	(264)
Change in reinsurance related assets and liabilities	(207)	71
Change in federal income tax accruals	262	23
Realized (gain) loss	105	(28)
(Income) Loss attributable to equity method investments	(55)	(95)
Amortization of deferred gain on business sold through reinsurance	(56)	(56)
(Gain) loss on disposal of discontinued operations		1
Other	(48)	38
Net cash provided by (used in) operating activities	504	666
Cash Flows from Investing Activities
Purchases of available-for-sale securities	(8,719)	(8,437)
Sales of available-for-sale securities	800	965
Maturities of available-for-sale securities	4,772	4,471
Purchases of other investments	(1,867)	(1,418)
Sales or maturities of other investments	1,901	1,622
Increase (decrease) in payables for collateral on investments	(628)	833
Other	(73)	(103)
Net cash provided by (used in) investing activities	(3,814)	(2,067)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities		(300)
Issuance of long-term debt, net of issuance costs	397	300
Deposits of fixed account values, including the fixed portion of variable	7,847	7,612
Withdrawals of fixed account values, including the fixed portion of variable	(3,910)	(4,103)
Transfers to and from separate accounts, net	(2,158)	(1,775)
Common stock issued for benefit plans and excess tax benefits	1	(3)
Repurchase of common stock	(350)	(400)
Dividends paid to common and preferred stockholders	(97)	(67)
Net cash provided by (used in) financing activities	1,730	1,264
Net increase (decrease) in cash and invested cash, including discontinued operations	(1,580)	(137)
Cash and invested cash, including discontinued operations, as of beginning-of-year	4,230	4,510
Cash and invested cash, including discontinued operations, as of end-of-period	$ 2,650	$ 4,373