LENDING ACTIVITIES (Details - Rollforward of the changes in the allowance for losses on Mortgage and other loans receivable) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	$ 297	$ 308	$ 271
Loans charged off	(25)	(15)	(29)
Recoveries of loans previously charged off	1	11	5
Net charge-offs	(24)	(4)	(24)
Provision for loan losses	49	(7)	58
Other	0	0	3
Activity of discontinued operations	0	0	0
Allowance, end of period	322	297	308
Loans modified in a troubled debt restructuring	237	0
Commercial mortgages
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	194	171	159
Loans charged off	(22)	(13)	(23)
Recoveries of loans previously charged off	0	11	4
Net charge-offs	(22)	(2)	(19)
Provision for loan losses	75	25	31
Other	0	0	0
Activity of discontinued operations	0	0	0
Allowance, end of period	247	194	171
Allowance related to individually assessed credit losses	5	11	24
Commercial mortgage loans	82	280	507
Other Loans
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	103	137	112
Loans charged off	(3)	(2)	(6)
Recoveries of loans previously charged off	1	0	1
Net charge-offs	(2)	(2)	(5)
Provision for loan losses	(26)	(32)	27
Other	0	0	3
Activity of discontinued operations	0	0	0
Allowance, end of period	$ 75	$ 103	$ 137

Reflects the amount added to reserve for credit losses pursuant to discontinued operations.

No definition available.

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- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

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- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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- Definition

Amount, after recoveries, of loans and leases that have been written-off.

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No definition available.

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- Definition

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

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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-Name Accounting Standards Codification
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