Financing Receivables (Troubled Debt Restructurings) (Details 5) (USD $)	12 Months Ended
Dec. 31, 2014 loan	Dec. 31, 2013 loan
Troubled Debt Restructurings
Number of loans	13	24
Recorded investment	$ 11,000,000	$ 24,000,000
Commitments to lend additional funds to borrowers for restructured loans	0
Commercial mortgage loans [Member]
Troubled Debt Restructurings
Number of loans	3	8
Recorded investment	9,000,000	24,000,000
Syndicated loans [Member]
Troubled Debt Restructurings
Number of loans	1	1
Recorded investment	1,000,000
Consumer loans [Member]
Troubled Debt Restructurings
Number of loans	9	15
Recorded investment	$ 1,000,000

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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- Definition

Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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