Subsequent Events Subsequent Events (Disposition - Narrative) (Details) (Subsequent Event [Member], MetLife Assurance Limited [Member], USD $) In Millions, unless otherwise specified	Feb. 14, 2014
Minimum [Member]
Subsequent Event [Line Items]
Gain (loss) on disposal	$ 350
Maximum [Member]
Subsequent Event [Line Items]
Gain (loss) on disposal	$ 390

The difference between the value of the consideration received by the Entity on the sale or disposal and the consideration received by the Entity, including any tax related impact.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

Name:	us-gaap_SignificantAcquisitionsAndDisposalsGainLossOnSaleOrDisposalNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant