LENDING ACTIVITIES (Details - Credit quality indicators for commercial mortgage loans) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Commercial Mortgage Recorded Investment [Line Items]
Mortgage and other loans receivable, net	$ 30,676	$ 29,565
Allowance for losses	277	308	$ 250	$ 271
Apartments
Commercial Mortgage Recorded Investment [Line Items]
In good standing	4,014	3,916
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	3	3
Mortgage and other loans receivable, net	4,017	3,919
Allowance for losses, Specific	0	0
Allowance for losses, General	41	35
Allowance for losses	41	35
Offices
Commercial Mortgage Recorded Investment [Line Items]
In good standing	7,567	7,484
Restructured	151	156
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	15	205
Mortgage and other loans receivable, net	7,733	7,845
Allowance for losses, Specific	4	16
Allowance for losses, General	47	47
Allowance for losses	51	63
Retail
Commercial Mortgage Recorded Investment [Line Items]
In good standing	4,861	4,809
Restructured	18	25
90 days or less delinquent	0	4
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	4,879	4,838
Allowance for losses, Specific	1	1
Allowance for losses, General	30	29
Allowance for losses	31	30
Industrial
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,835	1,902
Restructured	0	6
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	6	6
Mortgage and other loans receivable, net	1,841	1,914
Allowance for losses, Specific	6	6
Allowance for losses, General	6	8
Allowance for losses	12	14
Hotel
Commercial Mortgage Recorded Investment [Line Items]
In good standing	2,255	2,082
Restructured	16	16
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	2,277	2,098
Allowance for losses, Specific	1	1
Allowance for losses, General	18	15
Allowance for losses	19	16
Others
Commercial Mortgage Recorded Investment [Line Items]
In good standing	1,400	1,435
Restructured	0	6
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	12	12
Mortgage and other loans receivable, net	1,412	1,453
Allowance for losses, Specific	0	0
Allowance for losses, General	12	13
Allowance for losses	$ 12	$ 13
Commercial mortgages
Commercial Mortgage Recorded Investment [Line Items]
Number of loans in good standing | loan	816	830
Number of loans restructured | loan	5	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	8	9
Number of Loans | loan	829	849
In good standing	$ 21,932	$ 21,628
Restructured	185	209
90 days or less delinquent	0	4
Greater than 90 days delinquent or in process of foreclosure	42	226
Mortgage and other loans receivable, net	22,159	22,067
Allowance for losses, Specific	12	24
Allowance for losses, General	154	147
Allowance for losses	$ 166	$ 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 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%
Percentage of current commercial mortgages held	100.00%