Variable Interest Entities ("VIE's") (Consolidated Variable Interest Entity Asset and Liability Information) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014 item		Dec. 31, 2013 item
Assets [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments	1	[1]	1	[1]
Notional Amounts	$ 383	[1]	$ 361	[1]
Carrying Value	598	[1]	697	[1]
Assets [Member] | Total Return Swap [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments	1		1
Notional Amounts	383		361
Liabilities [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments	4	[2]	4	[2]
Notional Amounts	600	[2]	600	[2]
Carrying Value	10	[2]	27	[2]
Liabilities [Member] | Credit Default Swaps [Member] | Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments	2		2
Notional Amounts	600		600
Carrying Value	10		27
Liabilities [Member] | Contingent Forwards [Member] | Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments	2		2
Notional Amounts
Carrying Value
Fixed Maturity Securities [Member] | Assets [Member] | Corporate asset-backed credit card loan securities [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments
Notional Amounts
Carrying Value	598		595
Fixed Maturity Securities [Member] | Assets [Member] | U.S. Government Bonds [Member]
Disclosure Of Variable Interest Entities Assets And Liabilities [Line Items]
Number of Instruments
Notional Amounts
Carrying Value			$ 102

[1] Reported in variable interest entities’ fixed maturity securities on our Consolidated Balance Sheets.

[2] Reported in variable interest entities’ liabilities on our Consolidated Balance Sheets.