Accumulated Other Comprehensive Income Loss (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized capital gains (losses), excluding net OTTI losses recognized in earnings	$ 3,000,000		$ 32,000,000		$ (10,000,000)		$ 123,000,000
Income tax expense (benefit)	0		4,000,000		143,000,000		67,000,000
Loss from discontinued operations, net of tax	(617,000,000)		(423,000,000)		(588,000,000)		(907,000,000)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	659,000,000	[1]	1,649,000,000	[1]	(79,000,000)		2,843,000,000
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	651,000,000	[1]	(1,505,000,000)	[1]	1,431,000,000	[1]	(1,588,000,000)	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			70,000,000				(1,181,000,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(467,000,000)		(190,000,000)		28,000,000		(431,000,000)
Other Comprehensive Income (Loss), Net of Tax	503,000,000	[1]	(1,575,000,000)	[1]	1,241,000,000	[1]	(2,769,000,000)	[1]
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax	6,000,000		9,000,000		13,000,000		17,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	1,162,000,000	[1]	74,000,000	[1]	1,162,000,000	[1]	74,000,000	[1]
Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	1,686,000,000	[1]	2,529,000,000	[1]	987,000,000		3,418,000,000
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	582,000,000	[1]	(1,314,000,000)	[1]	1,299,000,000	[1]	(1,154,000,000)	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	13,000,000		53,000,000		31,000,000		1,102,000,000
Other Comprehensive Income (Loss), Net of Tax	569,000,000	[1]	(1,367,000,000)	[1]	1,268,000,000		(2,256,000,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	2,255,000,000	[1]	1,162,000,000		2,255,000,000	[1]	1,162,000,000
Accumulated Other-than-Temporary Impairment [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(10,000,000)	[1]	(32,000,000)	[1]	(12,000,000)		(47,000,000)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	4,000,000	[1]	14,000,000	[1]	7,000,000	[1]	38,000,000	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	1,000,000		5,000,000		2,000,000		14,000,000
Other Comprehensive Income (Loss), Net of Tax	3,000,000	[1]	9,000,000	[1]	5,000,000		24,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(7,000,000)	[1]	(23,000,000)		(7,000,000)	[1]	(23,000,000)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	121,000,000	[1]	320,000,000	[1]	108,000,000		428,000,000
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	35,000,000	[1]	(110,000,000)	[1]	64,000,000	[1]	(157,000,000)	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	15,000,000		22,000,000		31,000,000		83,000,000
Other Comprehensive Income (Loss), Net of Tax	20,000,000	[1]	(132,000,000)	[1]	33,000,000		(240,000,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	141,000,000	[1]	188,000,000		141,000,000	[1]	188,000,000
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	13,000,000		92,000,000		13,000,000		92,000,000
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	108,000,000	[1]	186,000,000	[1]	91,000,000		406,000,000
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	17,000,000	[1]	(94,000,000)	[1]	34,000,000	[1]	(314,000,000)	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	112,000,000		0	[1]	112,000,000		0
Other Comprehensive Income (Loss), Net of Tax	(95,000,000)	[1]	(94,000,000)	[1]	(78,000,000)		(314,000,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	13,000,000	[1]			13,000,000	[1]
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	1,240,000,000		1,345,000,000		1,240,000,000		1,345,000,000
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,246,000,000)	[1]	(1,354,000,000)	[1]	(1,253,000,000)		(1,362,000,000)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	13,000,000	[1]	(1,000,000)	[1]	27,000,000	[1]	(1,000,000)	[1]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	7,000,000		(10,000,000)		14,000,000		(18,000,000)
Other Comprehensive Income (Loss), Net of Tax	6,000,000	[1]	9,000,000	[1]	13,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,240,000,000)	[1]			(1,240,000,000)	[1]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(148,000,000)				(190,000,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(148,000,000)		70,000,000		(190,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized capital gains (losses), excluding net OTTI losses recognized in earnings	82,000,000		78,000,000		125,000,000		1,694,000,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest			78,000,000				1,694,000,000
Income tax expense (benefit)	29,000,000		27,000,000		44,000,000		593,000,000
Loss from discontinued operations, net of tax	40,000,000		(2,000,000)		50,000,000		(1,000,000)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	13,000,000		53,000,000		31,000,000		1,102,000,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	172,000,000				172,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Other-than-Temporary Impairment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized capital gains (losses), excluding net OTTI losses recognized in earnings	1,000,000		8,000,000		3,000,000		21,000,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	1,000,000		8,000,000		3,000,000		21,000,000
Income tax expense (benefit)	0		3,000,000		1,000,000		7,000,000
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	1,000,000		5,000,000		2,000,000		14,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income tax expense (benefit)	8,000,000		12,000,000		16,000,000		45,000,000
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	15,000,000		22,000,000		31,000,000		83,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	172,000,000				172,000,000
Income tax expense (benefit)	60,000,000				60,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	11,000,000		(15,000,000)		21,000,000		(27,000,000)
Income tax expense (benefit)	4,000,000		(5,000,000)		7,000,000		(9,000,000)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	7,000,000		(10,000,000)		14,000,000		(18,000,000)
Other Postretirement Benefit Plans, Defined Benefit [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Cost and Expense, Operating	(1,000,000)		1,000,000		(3,000,000)		3,000,000
Pension Plans, Defined Benefit [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Cost and Expense, Operating	12,000,000		(16,000,000)		24,000,000		(30,000,000)
Retirement Plans and Individual Life Businesses [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized capital gains (losses), excluding net OTTI losses recognized in earnings							1,500,000,000
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Gain (loss) on derivative instruments, net, pretax							71,000,000
Cash flow hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	23,000,000		34,000,000		47,000,000		128,000,000
Cash flow hedges [Member] | Net Realized Capital Gain Loss [Member] | Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	1,000,000	[2],[3]	7,000,000		2,000,000		80,000,000
Cash flow hedges [Member] | Net Realized Capital Gain Loss [Member] | Currency Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0		2,000,000		0		(1,000,000)
Cash flow hedges [Member] | Interest Income [Member] | Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 22,000,000		$ 25,000,000		$ 45,000,000		$ 49,000,000

[1] Net Unrealized Gain on SecuritiesOTTI Losses in OCINet Gain (Loss) on Cash Flow Hedging InstrumentsForeign Currency Translation AdjustmentsPension and Other Postretirement Plan AdjustmentsTotal AOCIBeginning balance$987$(12)$108$91$(1,253)$(79)OCI before reclassifications1,29976434271,431Amounts reclassified from AOCI(31)(2)(31)(112)(14)(190)Net OCI1,268533(78)131,241Ending balance$2,255$(7)$141$13$(1,240)$1,162

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[3] gains on securities relating to the sales of the Retirement Plans and Individual Life businesses.[2]The six months ended June 30, 2013 includes $71 of net gains on cash flow hedging instruments relating to the sales of the Retirement Plans and Individual Life businesses.[3]The six months ended June 30, 2014 amount relates to the sale of the HLIKK variable and fixed annuity business.