Investments and Derivative Instruments (Details 15) (Cash flow hedges [Member], USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Derivative Instruments Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative (Effective Portion)	$ 55		$ (173)
Net Realized Capital Gains (Losses) Recognized in Income on Derivative (Ineffective Portion)	0		(2)
Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	23		34	47	128
Interest Rate Swap [Member]
Derivative Instruments Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative (Effective Portion)	57		(178)	101	(249)
Net Realized Capital Gains (Losses) Recognized in Income on Derivative (Ineffective Portion)			(2)	(1)	(2)
Interest Rate Swap [Member] | Net realized capital gains (losses) [Member]
Derivative Instruments Gain (Loss) [Line Items]
Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	1	[1],[2]	7	2	80
Interest Rate Swap [Member] | Net Investment Income [Member]
Derivative Instruments Gain (Loss) [Line Items]
Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	22		25	45	49
Foreign Currency Swap [Member]
Derivative Instruments Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative (Effective Portion)	(2)		5	(3)	6
Net Realized Capital Gains (Losses) Recognized in Income on Derivative (Ineffective Portion)
Foreign Currency Swap [Member] | Net realized capital gains (losses) [Member]
Derivative Instruments Gain (Loss) [Line Items]
Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	$ 0		$ 2	$ 0	$ (1)

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[2] 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.