INVESTMENTS (M Loans (DETAILS) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts1	1
Financing Receivable Modifications Pre Modification Recorded Investment1	$ 84
Financing Receivable Modifications Post Modification Recorded Investment1	84
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	52
Financing Receivable Modifications Number Of Contracts1	1
Financing Receivable Modifications Pre Modification Recorded Investment1	84
Financing Receivable Modifications Post Modification Recorded Investment1	84
Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	4	5
Financing Receivable Modifications Pre Modification Recorded Investment1	0
Financing Receivable Modifications Post Modification Recorded Investment1	$ 0

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

No definition available.

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- Definition

Amount of investment in financing receivables (after modification) modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Details

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5111-111524

-Subparagraph (d)

+ Details

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