Derivatives priced by valuation models.

No definition available.

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- Details

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- Definition

Investment sales receivable.

+ References

No definition available.

+ Details

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- Definition

The amount as of the balance sheet date of the fair value of derivative liabilities that in accordance with the entity's accounting policy were offset against the right to reclaim cash collateral under a master netting arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FIN39-1

-Paragraph 10B

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

+ References

+ Details

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Fair Value Measurements (Details Textual 1) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Derivative Liabilities [Member]	Dec. 31, 2012 Derivative Liabilities [Member]	Mar. 31, 2013 US Treasury Securities [Member]	Mar. 31, 2012 US Treasury Securities [Member]
Fair Value Measurements - Financial Instruments Excluding Guaranteed Living Benefits (Textual) [Abstract]
Transfer of amount from level 1 to 2					$ 100,000,000	$ 0
Transfer of amount from level 2 to 1	0
Cash collateral liability	(10,000,000)	(54,000,000)	272,000,000	100,000,000
Investment sales receivable	$ 4,600,000,000	$ 3,100,000,000
Derivatives priced by valuation models	96.00%	98.00%