LENDING ACTIVITIES (Details - Credit quality indicators for commercial mortgage loans) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commercial Mortgage Recorded Investment [Line Items]
Mortgage and other loans receivable, net	$ 34,642	$ 33,240
Allowance for credit losses	307	297	$ 308	$ 308
Total mortgage and other loans receivable	$ 34,949	$ 33,537
Debt Coverage Ratio	2	1.9
Average Loan to Value Ratio	58.00%	58.00%
Apartments
Commercial Mortgage Recorded Investment [Line Items]
In good standing	$ 6,717	$ 6,005
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	0	0
Allowance for credit losses, General	49	35
Allowance for credit losses	49	35
Total mortgage and other loans receivable	6,717	6,005
Offices
Commercial Mortgage Recorded Investment [Line Items]
In good standing	8,272	7,830
Restructured	15	134
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	40	0
Allowance for credit losses, Specific	3	3
Allowance for credit losses, General	71	72
Allowance for credit losses	74	75
Total mortgage and other loans receivable	8,327	7,964
Retail
Commercial Mortgage Recorded Investment [Line Items]
In good standing	5,149	5,179
Restructured	18	18
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	31	1
Allowance for credit losses, General	35	41
Allowance for credit losses	66	42
Total mortgage and other loans receivable	5,167	5,197
Industrial
Commercial Mortgage Recorded Investment [Line Items]
In good standing	2,167	1,898
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	0	6
Allowance for credit losses, General	9	7
Allowance for credit losses	9	13
Total mortgage and other loans receivable	2,167	1,898
Hotel
Commercial Mortgage Recorded Investment [Line Items]
In good standing	2,378	2,373
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	12	13
Allowance for credit losses	13	14
Total mortgage and other loans receivable	2,394	2,389
Others
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,977	1,589
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Allowance for credit losses, Specific	0	0
Allowance for credit losses, General	15	15
Allowance for credit losses	15	15
Total mortgage and other loans receivable	$ 1,977	$ 1,589
Commercial mortgages
Commercial Mortgage Recorded Investment [Line Items]
Number of loans in good standing | loan	781	784
Number of loans restructured | loan	3	4
Number of loans 90 days or less delinquent | loan	0	0
Number of loans greater than 90 days delinquent or in process of foreclosure | loan	2	0
Number of Loans | loan	786	788
In good standing	$ 26,660	$ 24,874
Restructured	49	168
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	40	0
Allowance for credit losses, Specific	35	11
Allowance for credit losses, General	191	183
Allowance for credit losses	$ 226	$ 194
Percentage of loans that are current as to payments of principal and interest	100.00%	99.00%
Percentage restructured	0.00%	1.00%
Percentage 90 days or less delinquent	0.00%
Percentage greater than 90 days delinquent or in foreclosure	0.00%	0.00%
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%
Percentage of current commercial mortgages held	99.70%
Total mortgage and other loans receivable	$ 26,749	$ 25,042
Commercial mortgages | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	23,873	21,661
Commercial mortgages | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	2,407	2,835
Commercial mortgages | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	469	546
Commercial mortgages | Less than 65%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	18,281	15,924
Commercial mortgages | Less than 65% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	16,662	13,998
Commercial mortgages | Less than 65% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,372	1,694
Commercial mortgages | Less than 65% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	247	232
Commercial mortgages | 65% to 75%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	6,429	6,583
Commercial mortgages | 65% to 75% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	5,813	5,946
Commercial mortgages | 65% to 75% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	554	575
Commercial mortgages | 65% to 75% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	62	62
Commercial mortgages | 76% to 80%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,257	1,467
Commercial mortgages | 76% to 80% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	1,078	1,246
Commercial mortgages | 76% to 80% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	119	174
Commercial mortgages | 76% to 80% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	60	47
Commercial mortgages | Greater than 80%
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	782	1,068
Commercial mortgages | Greater than 80% | Greater than 1.2x
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	320	471
Commercial mortgages | Greater than 80% | 1.00X - 1.20X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	362	392
Commercial mortgages | Greater than 80% | Less than 1.00X
Commercial Mortgage Recorded Investment [Line Items]
Total mortgage and other loans receivable	$ 100	$ 205