LENDING ACTIVITIES (Details - Credit quality indicators for commercial mortgage loans) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Commercial Mortgage Recorded Investment [Line Items]
Mortgage and other loans receivable, net	$ 32,413	$ 29,565
Allowance for credit losses	299	308	$ 206	$ 271
Total mortgage and other loans receivable	32,712	29,873
Apartments
Commercial Mortgage Recorded Investment [Line Items]
In good standing	5,197	3,916
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	3
Allowance for credit losses, Specific	0	0
Allowance for credit losses, General	31	35
Allowance for credit losses	31	35
Total mortgage and other loans receivable	5,197	3,919
Offices
Commercial Mortgage Recorded Investment [Line Items]
In good standing	7,884	7,484
Restructured	133	156
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	205
Allowance for credit losses, Specific	3	16
Allowance for credit losses, General	73	47
Allowance for credit losses	76	63
Total mortgage and other loans receivable	8,017	7,845
Retail
Commercial Mortgage Recorded Investment [Line Items]
In good standing	5,127	4,809
Restructured	18	25
90 days or less delinquent	0	4
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	1	1
Allowance for credit losses, General	41	29
Allowance for credit losses	42	30
Total mortgage and other loans receivable	5,145	4,838
Industrial
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,824	1,902
Restructured	0	6
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	6
Allowance for credit losses, Specific	6	6
Allowance for credit losses, General	7	8
Allowance for credit losses	13	14
Total mortgage and other loans receivable	1,824	1,914
Hotel
Commercial Mortgage Recorded Investment [Line Items]
In good standing	2,430	2,082
Restructured	16	16
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	1	1
Allowance for credit losses, General	13	15
Allowance for credit losses	14	16
Total mortgage and other loans receivable	2,446	2,098
Others
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,381	1,435
Restructured	0	6
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	12
Allowance for credit losses, Specific	0	0
Allowance for credit losses, General	13	13
Allowance for credit losses	13	13
Total mortgage and other loans receivable	$ 1,381	$ 1,453
Commercial mortgages
Commercial Mortgage Recorded Investment [Line Items]
Number of loans in good standing | loan	801	830
Number of loans restructured | loan	4	9
Number of loans 90 days or less delinquent | loan	0	1
Number of loans greater than 90 days delinquent or in process of foreclosure | loan	0	9
Number of Loans | loan	805	849
In good standing	$ 23,843	$ 21,628
Restructured	167	209
90 days or less delinquent	0	4
Greater than 90 days delinquent or in process of foreclosure	0	226
Allowance for credit losses, Specific	11	24
Allowance for credit losses, General	178	147
Allowance for credit losses	$ 189	$ 171
Percentage of loans that are current as to payments of principal and interest	99.00%	98.00%
Percentage restructured	1.00%	1.00%
Percentage 90 days or less delinquent	0.00%
Percentage greater than 90 days delinquent or in foreclosure	0.00%	1.00%
Percentage Total	100.00%	100.00%
Percentage of loans with valuation allowance, Genaral	1.00%	1.00%
Percentage of loans with allowance for losses	1.00%	1.00%
Total mortgage and other loans receivable	$ 24,010	$ 22,067
Commercial mortgages | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	20,309	18,660
Commercial mortgages | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	3,134	2,710
Commercial mortgages | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	567	697
Commercial mortgages | Less than 65%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	15,288	12,137
Commercial mortgages | Less than 65% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	13,111	10,283
Commercial mortgages | Less than 65% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,949	1,704
Commercial mortgages | Less than 65% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	228	150
Commercial mortgages | 65% to 75%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	6,067	7,017
Commercial mortgages | 65% to 75% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	5,391	6,361
Commercial mortgages | 65% to 75% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	589	611
Commercial mortgages | 65% to 75% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	87	45
Commercial mortgages | 76% to 80%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,676	1,620
Commercial mortgages | 76% to 80% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,445	1,370
Commercial mortgages | 76% to 80% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	184	169
Commercial mortgages | 76% to 80% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	47	81
Commercial mortgages | Greater than 80%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	979	1,293
Commercial mortgages | Greater than 80% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	362	646
Commercial mortgages | Greater than 80% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	412	226
Commercial mortgages | Greater than 80% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	$ 205	$ 421