Fair Value of Financial Instruments (Components Of The Transfers In And Out Of Level 3) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3	$ 150	$ 42	$ 1,709	$ 166
Transfers Out of Level 3	(117)	(248)	(1,875)	(71)
Transfers In or Out of Level 3, Net	33	(206)	(166)	95
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3	144	41	404	165
Transfers Out of Level 3	(84)	(242)	(144)	(45)
Transfers In or Out of Level 3, Net	60	(201)	260	120
Foreign Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3			25
Transfers In or Out of Level 3, Net			25
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3			6
Transfers In or Out of Level 3, Net			6
CLOs [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3			8
Transfers Out of Level 3	(4)		(4)
Transfers In or Out of Level 3, Net	(4)		4
State And Municipal Bonds [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3	(29)		(29)
Transfers In or Out of Level 3, Net	(29)		(29)
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3			12
Transfers Out of Level 3		(6)	(22)	(26)
Transfers In or Out of Level 3, Net		(6)	(10)	(26)
Trading Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3	6	1	10	1
Transfers Out of Level 3			(6)
Transfers In or Out of Level 3, Net	6	1	4	1
Derivative Investments [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3			(426)
Transfers In or Out of Level 3, Net			(426)
GLB Embedded Derivative Reserves [Member] | Other Assets [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers In to Level 3			1,244
Transfers In or Out of Level 3, Net			1,244
GLB Embedded Derivative Reserves [Member] | Future contract benefits [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3			(1,244)
Transfers In or Out of Level 3, Net			$ (1,244)