INVESTMENTS (M Loans) (DETAILS1) (Commercial Real Estate Portfolio Segment [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Commercial Real Estate Portfolio Segment [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 32	$ 18
Charge-offs	(20)	0
Recoveries	(1)	0
Provision	23	10
Ending balance	34	28
Ending Balance [Abstract]:
Individually Evaluated for Impairment	34	28
Collectively Evaluated for Impairment	0	0
Loans Acquired with Deteriorated Credit Quality	$ 0	$ 0

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A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524

-Subparagraph (c)(1)

+ Details

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- Definition

The valuation allowance for financing receivables acquired with deteriorated credit quality.

+ References

+ Details

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

Charge to expense for financing receivables that are expected to be uncollectible.

+ References

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- Definition

Reduction to the allowance for credit losses related to collections on financing receivables which have been partially or fully charged off as bad debts.

+ References

+ Details

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- Definition

Reduction to the allowance for credit losses related to financing receivables deemed uncollectible.

+ References

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