Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities
Net income (loss)	$ 727	$ 556
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	(213)	(217)
Trading securities purchases, sales and maturities, net	25	63
Change in premiums and fees receivable	(45)	(50)
Change in accrued investment income	(52)	(37)
Change in future contract benefits and other contract holder funds	188	(293)
Change in reinsurance related assets and liabilities	(33)	(59)
Change in federal income tax accruals	86	157
Realized (gain) loss	(16)	76
Amortization of deferred gain on business sold through reinsurance	(37)	(37)
Change in accrued expenses	(158)
Other	(101)	(104)
Net cash provided by (used in) operating activities	371	55
Cash Flows from Investing Activities
Purchases of available-for-sale securities	(4,186)	(6,726)
Sales of available-for-sale securities	173	449
Maturities of available-for-sale securities	2,476	3,387
Purchases of other investments	(1,322)	(1,170)
Sales or maturities of other investments	1,452	1,245
Increase (decrease) in payables for collateral on investments	333	71
Other	(31)	(59)
Net cash provided by (used in) investing activities	(1,105)	(2,803)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(500)
Issuance of long-term debt, net of issuance costs		50
Deposits of fixed account values, including the fixed portion of variable	4,884	5,275
Withdrawals of fixed account values, including the fixed portion of variable	(2,765)	(2,513)
Transfers to and from separate accounts, net	(1,356)	(1,405)
Repurchase of common stock	(300)	(250)
Dividends paid to common and preferred stockholders	(84)	(65)
Net cash provided by (used in) financing activities	(121)	1,092
Net increase (decrease) in cash and invested cash	(855)	(1,656)
Cash and invested cash as of beginning-of-year	2,364	4,230
Cash and invested cash as of end-of-period	$ 1,509	$ 2,574