Fair Value (Details 1) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
U.S. corporate securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	$ 6,871	$ 7,173	$ 7,149	$ 6,694
Earnings [Abstract]
Net Investment Income	4	6	8	21
Net Investment Gains (Losses)	26	(20)	14	(15)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	227	196	372	461
Purchases	455		1,016
Sales	(185)		(674)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		67		(648)
Transfers Into Level 3	0	119	43	616
Transfers Out of Level 3	(27)	(686)	(557)	(274)
Balance, End of Period	7,371	6,855	7,371	6,855
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	4	4	7	11
Net Investment Gains (Losses)	(3)	(30)	(30)	(44)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Foreign corporate securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	5,844	4,552	5,726	5,244
Earnings [Abstract]
Net Investment Income	9	7	22	10
Net Investment Gains (Losses)	2	(25)	(20)	(42)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(120)	301	44	374
Purchases	199		1,571
Sales	(447)		(1,770)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		132		(619)
Transfers Into Level 3	172	52	165	363
Transfers Out of Level 3	(930)	(240)	(1,009)	(551)
Balance, End of Period	4,729	4,779	4,729	4,779
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	8	5	22	9
Net Investment Gains (Losses)	(5)	(29)	(20)	(45)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Foreign government debt securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	3,161	257	3,134	378
Earnings [Abstract]
Net Investment Income	9	2	38	2
Net Investment Gains (Losses)	(206)	1	(220)	(5)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	302	25	332	53
Purchases	427		1,164
Sales	(30)		(411)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		6		19
Transfers Into Level 3	498	0	91	0
Transfers Out of Level 3	(272)	0	(239)	(156)
Balance, End of Period	3,889	291	3,889	291
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	9	2	36	6
Net Investment Gains (Losses)	(205)	0	(209)	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
RMBS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	434	1,852	1,422	1,840
Earnings [Abstract]
Net Investment Income	0	(5)	(1)	21
Net Investment Gains (Losses)	0	(6)	(1)	(6)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	17	68	33	121
Purchases	170		206
Sales	(10)		(127)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		379		195
Transfers Into Level 3	1	161	81	253
Transfers Out of Level 3	0	(155)	(1,001)	(130)
Balance, End of Period	612	2,294	612	2,294
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	(5)	(1)	21
Net Investment Gains (Losses)	0	0	(1)	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
U.S. Treasury and agency securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	26	37	79	37
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	2	1	2	3
Purchases	0		0
Sales	(3)		(1)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		0		(3)
Transfers Into Level 3	6	21	6	22
Transfers Out of Level 3	0	0	(55)	0
Balance, End of Period	31	59	31	59
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
CMBS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	781	270	1,011	139
Earnings [Abstract]
Net Investment Income	5	1	21	1
Net Investment Gains (Losses)	(1)	(2)	67	(3)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(1)	13	50	72
Purchases	115		287
Sales	(57)		(584)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		(7)		(24)
Transfers Into Level 3	1	9	85	128
Transfers Out of Level 3	(11)	(3)	(105)	(32)
Balance, End of Period	832	281	832	281
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	6	1	19	1
Net Investment Gains (Losses)	(2)	(3)	(2)	(3)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
ABS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	2,451	3,489	4,145	2,703
Earnings [Abstract]
Net Investment Income	8	8	27	27
Net Investment Gains (Losses)	(5)	(17)	(34)	(67)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(58)	104	46	301
Purchases	469		799
Sales	(133)		(591)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		160		831
Transfers Into Level 3	184	5	123	93
Transfers Out of Level 3	(147)	(101)	(1,746)	(240)
Balance, End of Period	2,769	3,648	2,769	3,648
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	8	8	27	26
Net Investment Gains (Losses)	(7)	(9)	(22)	(54)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
State and political subdivision securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	89	101	46	69
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(1)	(3)	(8)	4
Purchases	11		11
Sales	(1)		(4)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		9		9
Transfers Into Level 3	0	0	10	0
Transfers Out of Level 3	(45)	(55)	(2)	(30)
Balance, End of Period	53	52	53	52
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other fixed maturity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	2	5	4	6
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	1
Purchases	0		0
Sales	(2)		0
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		0		(2)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	(4)	0
Balance, End of Period	0	5	0	5
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Common Stock [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	305	161	268	136
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	3	(1)	7	1
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(25)	14	(12)	4
Purchases	14		53
Sales	(14)		(21)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		(6)		35
Transfers Into Level 3	0	2	1	2
Transfers Out of Level 3	(44)	0	(57)	(8)
Balance, End of Period	239	170	239	170
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	(1)	(4)	(2)
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Non-redeemable preferred stock [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	654	845	905	1,102
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	7	1	(63)	48
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(69)	56	31	24
Purchases	0		4
Sales	(84)		(379)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		7		(259)
Transfers Into Level 3	1	0	11	0
Transfers Out of Level 3	0	0	0	(6)
Balance, End of Period	509	909	509	909
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	(19)	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Actively traded securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	2	7	10	32
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	0		0
Sales	0		(8)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		13		(12)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	2	20	2	20
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
FVO general account securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	54	29	77	51
Earnings [Abstract]
Net Investment Income	(12)	9	(3)	3
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	0		1
Sales	0		(33)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		0		0
Transfers Into Level 3	0	35	0	37
Transfers Out of Level 3	(15)	0	(15)	(18)
Balance, End of Period	27	73	27	73
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	(11)	9	(5)	3
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
FVO contractholder-directed unit-linked investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	623	0	735	0
Earnings [Abstract]
Net Investment Income	(5)	0	61	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	1,026		1,032
Sales	(297)		(447)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		0		0
Transfers Into Level 3	0	0	123	0
Transfers Out of Level 3	(84)	0	(241)	0
Balance, End of Period	1,263	0	1,263	0
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	(4)	0	55	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Short-term Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	732	52	858	18
Earnings [Abstract]
Net Investment Income	(1)	2	3	2
Net Investment Gains (Losses)	(1)	0	(2)	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(1)	0	7	0
Purchases	266		562
Sales	(368)		(798)
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		156		190
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	(1)	0	(4)	0
Balance, End of Period	626	210	626	210
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	(1)	2	(2)	2
Net Investment Gains (Losses)	(1)	0	(1)	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Mortgage loans held-for-sale [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	32	26	24	25
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	(1)	(1)	(2)	(1)
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	2		3
Sales	0		0
Issuances	0		1
Settlements	(2)		(3)
Purchases, Sales, Issuances and Settlements		0		0
Transfers Into Level 3	4	4	9	10
Transfers Out of Level 3	(5)	(2)	(2)	(7)
Balance, End of Period	30	27	30	27
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	(1)	(1)	(2)	(1)
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
MSR's [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	964	660	950	878
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	(292)	(91)	(310)	(329)
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	0		0
Sales	0		0
Issuances	46		138
Settlements	(32)		(92)
Purchases, Sales, Issuances and Settlements		138		158
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	686	707	686	707
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	(280)	(74)	(298)	(294)
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Separate account assets [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	1,836	1,604	1,983	1,797
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	3	47	48	91
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	187		422
Sales	(152)		(502)
Issuances	0		0
Settlements	(1)		(3)
Purchases, Sales, Issuances and Settlements		62		(48)
Transfers Into Level 3	11	9	18	31
Transfers Out of Level 3	(176)	(75)	(258)	(224)
Balance, End of Period	1,708	1,647	1,708	1,647
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Interest rate contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	(67)	61	(86)	7
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	21	2	25	36
Other Revenues	68	14	75	61
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	317	16	325	13
Purchases	(1)		(1)
Sales	0		0
Issuances	0		0
Settlements	(41)		(40)
Purchases, Sales, Issuances and Settlements		12		(12)
Transfers Into Level 3	1	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	298	105	298	105
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	17	1	14	36
Other Revenues	79	63	80	66
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Foreign currency contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	49	28	73	108
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	2	46	(1)	32
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	(1)	0	(4)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	16		21
Sales	0		0
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		(5)		(54)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	(8)	(26)	(22)
Balance, End of Period	67	60	67	60
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	2	37	(1)	31
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Credit contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	42	31	44	42
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	(76)	12	(70)	(10)
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	15	10	13	27
Purchases	0		0
Sales	0		0
Issuances	0		(3)
Settlements	(11)		(13)
Purchases, Sales, Issuances and Settlements		(7)		(13)
Transfers Into Level 3	0	0	(1)	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	(30)	46	(30)	46
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	(76)	12	(70)	(9)
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Equity market contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	55	633	142	199
Earnings [Abstract]
Net Investment Income	0	(2)	(3)	6
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	677	(169)	568	243
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	1	4	0	9
Purchases	119		225
Sales	0		0
Issuances	(4)		(4)
Settlements	2		(3)
Purchases, Sales, Issuances and Settlements		8		17
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	(75)	0
Balance, End of Period	850	474	850	474
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	(2)	0	5
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	677	(169)	569	250
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Net Embedded Derivatives [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	(2,074)	(3,296)	(2,438)	(1,455)
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	(2,314)	134	(1,722)	(1,542)
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	115	0	107	46
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	(114)	(98)	(116)	(163)
Purchases	0		0
Sales	0		0
Issuances	0		0
Settlements	(121)		(339)
Purchases, Sales, Issuances and Settlements		(74)		(220)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	(4,508)	(3,334)	(4,508)	(3,334)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	(2,319)	126	(1,738)	(1,556)
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	115	0	107	46
Other Expenses	0	0	0	0
Long Term Debt Of Consolidated Securitization Entities Estimated Fair Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	(134)	(221)	(184)	0
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	(1)	37	(8)	48
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	0		0
Sales	0		0
Issuances	0		0
Settlements	23		80
Purchases, Sales, Issuances and Settlements		0		(232)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	(112)	(184)	(112)	(184)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	(1)	37	(8)	48
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Trading Liabilities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of Period	0	0	0	0
Earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases	0		0
Sales	0		0
Issuances	0		0
Settlements	0		0
Purchases, Sales, Issuances and Settlements		(2)		(2)
Transfers Into Level 3	0	0	0	0
Transfers Out of Level 3	0	0	0	0
Balance, End of Period	0	(2)	0	(2)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]
Net Investment Income	0	0	0	0
Net Investment Gains (Losses)	0	0	0	0
Net Derivative Gains (Losses)	0	0	0	0
Other Revenues	0	0	0	0
Policyholder Benefits and Claims	0	0	0	0
Other Expenses	$ 0	$ 0	$ 0	$ 0