LENDING ACTIVITIES (Details - Credit quality indicators for commercial mortgage loans) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Commercial Mortgage Recorded Investment [Line Items]
Mortgage and other loans receivable, net	$ 29,565	$ 24,990
Allowance for losses	308	271	$ 312	$ 405
Apartments
Commercial Mortgage Recorded Investment [Line Items]
In good standing	3,916	3,384
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	3	0
Mortgage and other loans receivable, net	3,919	3,384
Allowance for losses, Specific	0	0
Allowance for losses, General	35	3
Allowance for losses	35	3
Offices
Commercial Mortgage Recorded Investment [Line Items]
In good standing	7,484	6,100
Restructured	156	343
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	205	75
Mortgage and other loans receivable, net	7,845	6,518
Allowance for losses, Specific	16	27
Allowance for losses, General	47	59
Allowance for losses	63	86
Retail
Commercial Mortgage Recorded Investment [Line Items]
In good standing	4,809	3,807
Restructured	25	7
90 days or less delinquent	4	10
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	4,838	3,824
Allowance for losses, Specific	1	3
Allowance for losses, General	29	25
Allowance for losses	30	28
Industrial
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,902	1,689
Restructured	6	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	6	0
Mortgage and other loans receivable, net	1,914	1,689
Allowance for losses, Specific	6	13
Allowance for losses, General	8	9
Allowance for losses	14	22
Hotel
Commercial Mortgage Recorded Investment [Line Items]
In good standing	2,082	1,660
Restructured	16	17
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	2,098	1,677
Allowance for losses, Specific	1	3
Allowance for losses, General	15	3
Allowance for losses	16	6
Others
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,435	1,812
Restructured	6	0
90 days or less delinquent	0	5
Greater than 90 days delinquent or in process of foreclosure	12	0
Mortgage and other loans receivable, net	1,453	1,817
Allowance for losses, Specific	0	9
Allowance for losses, General	13	5
Allowance for losses	$ 13	$ 14
Commercial mortgages
Commercial Mortgage Recorded Investment [Line Items]
Number of loans in good standing | loan	830	1,007
Number of loans restructured | loan	9	7
Number of loans 90 days or less delinquent | loan	1	6
Number of loans greater than 90 days delinquent or in process of foreclosure | loan	9	4
Number of Loans | loan	849	1,024
In good standing	$ 21,628	$ 18,452
Restructured	209	367
90 days or less delinquent	4	15
Greater than 90 days delinquent or in process of foreclosure	226	75
Mortgage and other loans receivable, net	22,067	18,909
Allowance for losses, Specific	24	55
Allowance for losses, General	147	104
Allowance for losses	$ 171	$ 159
Percentage of loans that are current as to payments of principal and interest	98.00%	98.00%
Percentage restructured	1.00%	2.00%
Percentage greater than 90 days delinquent or in foreclosure	1.00%	0.00%
Percentage Total	100.00%	100.00%
Percentage of loans with allowance for losses	1.00%	1.00%
Percentage of current commercial mortgages held	99.00%