Investments and Derivative Instruments Level 4 Net Realized Capital Gains (Losses) (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		$ 63,704				$ 63,704		$ 72,850
Derivative, Fair Value, Net		(778)				(778)		(639)
Gain (Loss) on Investments [Abstract]
Gain on Derivative Instruments, Pretax		83		$ 116		401	$ 421
Loss on Derivative Instruments, Pretax		(73)		(29)		(333)	(191)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net		40		14		63	43
Periodic Net Coupon Settlements on Credit Derivatives		3		0		8	1
Total Realized Investment Gains (Losses)		(44)		69		(30)	30
Gain (Loss) on Investments, Excluding Other than Temporary Impairments		(4)		83		33	73
Derivative, Gain (Loss) on Derivative, Net		19		18
Proceeds from Sale of Available-for-sale Securities		4,500		5,200		16,300	19,600
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		12,515				12,515		6,318
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		12,161				12,161		6,174
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		354				354		144
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		2,960				2,960		4,667
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		2,799				2,799		4,429
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		158				158		241
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		15,475				15,475		10,985
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		14,960				14,960		10,603
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		512				512		385
Derivative Asset, Fair Value, Gross Asset		1,246				1,246		1,175
Derivative Liability, Fair Value, Gross Liability		1,865				1,865		1,741
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement		1,381				1,381		1,267
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement		2,159				2,159		1,906
GMWB Hedging Instruments [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		11,139				11,139		14,442
Derivative, Fair Value, Net		207				207		174
Three Win Related Foreign Currency Swaps [Member] | JAPAN
Gain (Loss) on Investments [Abstract]
Change in Unrealized Gain (Loss) on Hedged Item in Foreign Currency Fair Value Hedge		(17)		83		(1)	38
Mortgages [Member]
Gain (Loss) on Investments [Abstract]
Valuation Allowances and Reserves, Adjustments		(1)		0		2	3
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Unrealized Investment Gain (Loss) [Member]
Gain (Loss) on Investments [Abstract]
Gain (Loss) on Investments, Excluding Other than Temporary Impairments		(29)		61		14	186
Collateralized Debt Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost	[1]	1,047				1,047		748
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	[1]	1,041				1,041		743
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	[1]	6				6		5
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost	[1]	1,104				1,104		1,489
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	[1]	1,090				1,090		1,461
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	[1]	11				11		31
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost	[1]	2,151				2,151		2,237
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	[1]	2,131				2,131		2,204
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	[1]	17				17		36
Asset-backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		791				791		897
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		789				789		893
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		2				2		4
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		358				358		473
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		324				324		440
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		34				34		33
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		1,149				1,149		1,370
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		1,113				1,113		1,333
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		36				36		37
Commercial Mortgage Backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		745				745		230
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		730				730		227
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		15				15		3
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		189				189		319
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		179				179		306
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		10				10		13
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		934				934		549
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		909				909		533
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		25				25		16
Corporate Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		6,528				6,528		3,082
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		6,298				6,298		2,980
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		230				230		102
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		660				660		1,177
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		599				599		1,068
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		61				61		109
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		7,188				7,188		4,259
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		6,897				6,897		4,048
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		291				291		211
Foreign Government Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		517				517		363
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		485				485		349
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		32				32		14
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		127				127		227
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		113				113		212
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		14				14		15
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		644				644		590
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		598				598		561
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		46				46		29
Municipal Bonds [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		841				841		74
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		821				821		73
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		20				20		1
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		38				38		86
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		35				35		82
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		3				3		4
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		879				879		160
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		856				856		155
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		23				23		5
Residential Mortgage Backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		835				835		320
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		830				830		318
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		5				5		2
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		402				402		433
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		388				388		416
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		14				14		17
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		1,237				1,237		753
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		1,218				1,218		734
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		19				19		19
US Treasury Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		766				766		432
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		758				758		431
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		8				8		1
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		8				8		361
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		8				8		357
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		0				0		4
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		774				774		793
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		766				766		788
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		8				8		5
Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost		12,070				12,070		6,146
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		11,752				11,752		6,014
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		318				318		132
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost		2,886				2,886		4,565
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		2,736				2,736		4,342
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		147				147		226
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost		14,956				14,956		10,711
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		14,488				14,488		10,356
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		465				465		358
Equity Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost	[2]	445				445		172
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	[2]	409				409		160
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	[2]	36				36		12
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost	[2]	74				74		102
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	[2]	63				63		87
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	[2]	11				11		15
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost	[2]	519				519		274
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	[2]	472				472		247
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	[2]	47				47		27
Other Investments [Member]
Gain (Loss) on Investments [Abstract]
Total Realized Investment Gains (Losses)	[3]	(37)		(22)		(30)	(157)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		4,117				4,117		4,142
Derivative, Fair Value, Net		68				68		25
Gain (Loss) on Investments [Abstract]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		16		9		44	56
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		95				95		55
Derivative Liability, Fair Value, Gross Liability		27				27		30
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		3,974				3,974		3,999
Derivative, Fair Value, Net		88				88		44
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		89				89		52
Derivative Liability, Fair Value, Gross Liability		1				1		8
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		143				143		143
Derivative, Fair Value, Net		(20)				(20)		(19)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		6				6		3
Derivative Liability, Fair Value, Gross Liability		26				26		22
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		43				43		32
Derivative, Fair Value, Net		0				0		0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		0				0		0
Derivative Liability, Fair Value, Gross Liability		0				0		0
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Rate Contract [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		43				43		32
Derivative, Fair Value, Net		0				0		0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		0				0		0
Derivative Liability, Fair Value, Gross Liability		0				0		0
Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		59,544				59,544		68,676
Derivative, Fair Value, Net		(846)				(846)		(664)
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net		6	[4]	(75)	[4]	(40)	(242)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		1,286				1,286		1,212
Derivative Liability, Fair Value, Gross Liability		2,132				2,132		1,876
Not Designated as Hedging Instrument [Member] | GMWB Hedging Instruments [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		11,139				11,139		14,442
Derivative, Fair Value, Net		207				207		174
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net		94		41		41	(30)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		331				331		289
Derivative Liability, Fair Value, Gross Liability		124				124		115
Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net		(11)		(8)		(16)	(153)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net		3		6		11	2
Not Designated as Hedging Instrument [Member] | Three Win Related Foreign Currency Swaps [Member] | JAPAN
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net	[5]	8		(86)
Not Designated as Hedging Instrument [Member] | Macro Hedge Program [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		4,272				4,272		6,383
Derivative, Fair Value, Net		183				183		141
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		224				224		180
Derivative Liability, Fair Value, Gross Liability		41				41		39
Coinsurance and Modified Coinsurance Reinsurance Contracts [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		918				918		974
Derivative, Fair Value, Net		62				62		34
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		62				62		34
Derivative Liability, Fair Value, Gross Liability		0				0		0
Put Option [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		500				500		500
Derivative, Fair Value, Net		8				8		12
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		8				8		12
Derivative Liability, Fair Value, Gross Liability		0				0		0
GMWB Reinsurance [Member] | Not Designated as Hedging Instrument [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		3,233				3,233		3,659
Derivative, Fair Value, Net		73				73		56
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		73				73		56
Derivative Liability, Fair Value, Gross Liability		0				0		0
GMWB Product Derivatives [Member] | Not Designated as Hedging Instrument [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount	[6]	15,730				15,730		17,908
Derivative, Fair Value, Net	[6]	(270)				(270)		(139)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset	[6]	0				0		0
Derivative Liability, Fair Value, Gross Liability	[6]	270				270		139
Commodity Option [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		486				486		0
Derivative, Fair Value, Net		7				7		0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		7				7		0
Derivative Liability, Fair Value, Gross Liability		0				0		0
Equity Contract [Member] | GMWB Hedging Instruments [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		1,663				1,663		3,761
Derivative, Fair Value, Net		25				25		39
Equity Contract [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		124				124		635
Derivative, Fair Value, Net		(1)				(1)		2
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		20				20		31
Derivative Liability, Fair Value, Gross Liability		21				21		29
Credit Derivatives in Offsetting Positions [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		4,127				4,127		5,343
Derivative, Fair Value, Net		(2)				(2)		(3)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		39				39		53
Derivative Liability, Fair Value, Gross Liability		41				41		56
Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount	[7]	2,645				2,645		1,487
Derivative, Fair Value, Net	[7]	(28)				(28)		3
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset	[7]	5				5		14
Derivative Liability, Fair Value, Gross Liability	[7]	33				33		11
Credit Default Swap, Buying Protection [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		304				304		595
Derivative, Fair Value, Net		11				11		(6)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		14				14		4
Derivative Liability, Fair Value, Gross Liability		3				3		10
Three Win Related Foreign Currency Swaps [Member] | Not Designated as Hedging Instrument [Member] | JAPAN
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		1,319				1,319		1,319
Derivative, Fair Value, Net		(450)				(450)		(427)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		0				0		0
Derivative Liability, Fair Value, Gross Liability		450				450		427
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		305				305		177
Derivative, Fair Value, Net		11				11		1
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		11				11		3
Derivative Liability, Fair Value, Gross Liability		0				0		2
Interest Rate Contract [Member] | GMWB Hedging Instruments [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		3,625				3,625		3,640
Derivative, Fair Value, Net		27				27		11
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		14,442				14,442		15,254
Derivative, Fair Value, Net		(657)				(657)		(512)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		492				492		536
Derivative Liability, Fair Value, Gross Liability		1,149				1,149		1,048
Macro Hedge Program [Member] | UNITED STATES
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		4,272				4,272		6,383
Derivative, Fair Value, Net		183				183		141
Macro Hedge Program [Member] | Not Designated as Hedging Instrument [Member] | UNITED STATES
Gain (Loss) on Investments [Abstract]
Derivative, Gain (Loss) on Derivative, Net		51		$ 12		24	$ (13)
Other Liabilities [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		32,203				32,203		26,791
Derivative, Fair Value, Net		(923)				(923)		(930)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		883				883		551
Derivative Liability, Fair Value, Gross Liability		1,806				1,806		1,481
Fixed Maturities [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		447				447		454
Derivative, Fair Value, Net		(3)				(3)		2
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		0				0		2
Derivative Liability, Fair Value, Gross Liability		3				3		0
Other Investments [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		11,123				11,123		23,014
Derivative, Fair Value, Net		304				304		364
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		363				363		624
Derivative Liability, Fair Value, Gross Liability		59				59		260
Reinsurance Recoverable [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		4,151				4,151		4,633
Derivative, Fair Value, Net		135				135		90
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		135				135		90
Derivative Liability, Fair Value, Gross Liability		0				0		0
Other Policyholder Funds and Benefits Payable [Member]
Net Realized Capital Gains (Losses) [Line Items]
Derivative, Notional Amount		15,780				15,780		17,958
Derivative, Fair Value, Net		(291)				(291)		(165)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Derivative Asset, Fair Value, Gross Asset		0				0		0
Derivative Liability, Fair Value, Gross Liability		$ 291				$ 291		$ 165

[1] Unrealized losses exclude the change in fair value of bifurcated embedded derivatives within certain securities, for which changes in fair value are recorded in net realized capital gains (losses).

[2] As of September 30, 2015, and December 31, 2014, excludes equity securities, FVO which are included in equity securities, AFS on the Condensed Consolidated Balance Sheets.

[3] Primarily consists of changes in the value of non-qualifying derivatives, transactional foreign currency revaluation gains (losses) on yen denominated fixed payout annuity liabilities and gains (losses) on non-qualifying derivatives used to hedge the foreign currency exposure of the liabilities. For the three months ended September 30, 2015 and 2014, gains (losses) from transactional foreign currency revaluation of the yen denominated fixed payout annuity liabilities were $(17) and $83, respectively. For the nine months ended September 30, 2015 and 2014, gains (losses) from transactional foreign currency revaluation of the yen denominated fixed payout annuity liabilities were $(1) and $38, respectively. For the three months ended September 30, 2015 and 2014, gains (losses) on instruments used to hedge the foreign currency exposure on the fixed payout annuities were $8 and $(86), respectively. For the nine months ended September 30, 2015 and 2014, gains (losses) on instruments used to hedge the foreign currency exposure on the fixed payout annuities were $(23) and $(58), respectively.

[4] These amounts relate to the termination of the hedging program associated with the Japan variable annuity product due to the sale of HLIKK.

[5] Not included in this amount is the associated liability adjustment for changes in foreign exchange spot rates through realized capital gains of $(17) and $83 for the three months ended September 30, 2015 and 2014, respectively, and $(1) and $38 for the nine months ended September 30, 2015 and 2014, respectively.

[6] These derivatives are embedded within liabilities and are not held for risk management purposes.

[7] The derivative instruments related to this strategy are held for other investment purposes.