CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash Flows from Operating Activities
Net income (loss)	$ 1,313	$ 221	$ 902
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	(219)	(152)	(140)
Trading securities purchases, sales and maturities, net	222	88	47
Change in premiums and fees receivable	28	(73)	(14)
Change in accrued investment income	(34)	(48)	(44)
Change in future contract benefits and other contract holder funds	(131)	125	643
Change in reinsurance related assets and liabilities	9	(66)	22
Change in federal income tax accruals	192	318	394
Realized (gain) loss	(74)	294	69
Equity in (income) loss of subsidiaries greater than distributions	751	(529)	379
(Gain) loss on early extinguishment of debt	5	8	5
Amortization of deferred gain on business sold through reinsurance	(74)	(75)	(75)
Impairment of intangibles	0	747	0
(Gain) loss on disposal of discontinued operations	1	3	(66)
Other	31	(114)	(23)
Net cash provided by (used in) operating activities	1,269	1,276	1,720
Cash Flows from Investing Activities
Purchases of available-for-sale securities	(11,161)	(10,702)	(13,057)
Sales of available-for-sale securities	1,134	1,497	3,118
Maturities of available-for-sale securities	5,974	5,324	4,652
Purchases of other investments	(2,345)	(3,282)	(3,581)
Sales or maturities of other investments	2,276	3,094	3,239
Increase (decrease) in payables for collateral on investments	448	2,074	(248)
Proceeds from sale of subsidiaries/businesses, net of cash disposed	0	0	321
Other	(183)	(130)	(74)
Net cash provided by (used in) investing activities	(3,857)	(2,125)	(5,630)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(320)	(525)	(405)
Issuance of long-term debt, net of issuance costs	300	298	749
Increase (decrease) in commercial paper, net	0	(100)	1
Deposits of fixed account values, including the fixed portion of variable	10,694	10,953	11,080
Withdrawals of fixed account values, including the fixed portion of variable	(5,691)	(5,050)	(5,305)
Transfers to and from separate accounts, net	(2,091)	(2,325)	(2,957)
Common stock issued for benefit plans and excess tax benefits	(1)	3	1
Issuance (redemption) of Series B preferred stock and issuance (repurchase and cancellation) of associated common stock warrants	0	0	(998)
Issuance of common stock	0	0	368
Repurchase of common stock	(492)	(575)	(25)
Dividends paid to common and preferred stockholders	(91)	(61)	(42)
Net cash provided by (used in) financing activities	2,308	2,618	2,467
Net increase (decrease) in cash and invested cash	(280)	1,769	(1,443)
Cash and invested cash, including discontinued operations, as of beginning-of-year	4,510	2,741	4,184
Cash and invested cash, including discontinued operations, as of end-of-year	$ 4,230	$ 4,510	$ 2,741