Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities
Net income (loss)	$ 1,166	$ 893
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	(346)	(355)
Trading securities purchases, sales and maturities, net	223	90
Change in premiums and fees receivable	(28)	(47)
Change in accrued investment income	(100)	(96)
Change in future contract benefits and other contract holder funds	224	18
Change in reinsurance related assets and liabilities	10	(207)
Change in federal income tax accruals	198	262
Realized (gain) loss	(106)	105
Amortization of deferred gain on business sold through reinsurance	(55)	(56)
Other	(91)	(103)
Net cash provided by (used in) operating activities	1,095	504
Cash Flows from Investing Activities
Purchases of available-for-sale securities	(6,127)	(8,719)
Sales of available-for-sale securities	498	800
Maturities of available-for-sale securities	3,607	4,772
Purchases of other investments	(2,843)	(1,867)
Sales or maturities of other investments	2,597	1,901
Increase (decrease) in payables for collateral on investments	615	(628)
Other	(69)	(73)
Net cash provided by (used in) investing activities	(1,722)	(3,814)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(500)
Issuance of long-term debt, net of issuance costs		397
Deposits of fixed account values, including the fixed portion of variable	7,213	7,847
Withdrawals of fixed account values, including the fixed portion of variable	(4,162)	(3,910)
Transfers to and from separate accounts, net	(1,914)	(2,158)
Common stock issued for benefit plans and excess tax benefits	23	1
Repurchase of common stock	(450)	(350)
Dividends paid to common and preferred stockholders	(126)	(97)
Net cash provided by (used in) financing activities	84	1,730
Net increase (decrease) in cash and invested cash	(543)	(1,580)
Cash and invested cash as of beginning-of-year	2,364	4,230
Cash and invested cash as of end-of-period	$ 1,821	$ 2,650