LENDING ACTIVITIES (Details - Credit quality of commercial mortgages) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 525
2019	1,415
2018	672
2017	1,083
2016	1,194
Prior	1,157
Mortgage and other loans receivable, net	47,316	$ 47,422
Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,049
2019	5,999
2018	6,562
2017	4,698
2016	5,333
Prior	12,894
Mortgage and other loans receivable, net	36,535	36,170
Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	923
2019	4,461
2018	4,615
2017	3,549
2016	4,067
Prior	10,527
Mortgage and other loans receivable, net	28,142
65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	126
2019	1,493
2018	1,947
2017	1,012
2016	932
Prior	1,806
Mortgage and other loans receivable, net	7,316
76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	45
2018	0
2017	0
2016	26
Prior	305
Mortgage and other loans receivable, net	376
Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	137
2016	308
Prior	256
Mortgage and other loans receivable, net	701
Greater than 1.2x | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	933
2019	5,593
2018	6,051
2017	4,275
2016	5,172
Prior	11,171
Mortgage and other loans receivable, net	33,195
Greater than 1.2x | Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		23,013
Greater than 1.2x | 65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		9,007
Greater than 1.2x | 76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		200
Greater than 1.2x | Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		184
Greater than 1.2x | Total | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		32,404
1.00X - 1.20X | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	116
2019	331
2018	511
2017	372
2016	161
Prior	1,419
Mortgage and other loans receivable, net	2,910
1.00X - 1.20X | Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		2,440
1.00X - 1.20X | 65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		899
1.00X - 1.20X | 76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		6
1.00X - 1.20X | Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		2
1.00X - 1.20X | Total | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		3,347
Less than 1.00X | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	75
2018	0
2017	51
2016	0
Prior	304
Mortgage and other loans receivable, net	$ 430
Less than 1.00X | Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		245
Less than 1.00X | 65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		40
Less than 1.00X | 76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		0
Less than 1.00X | Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		134
Less than 1.00X | Total | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		419
Total | Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		25,698
Total | 65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		9,946
Total | 76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		206
Total | Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		320
Total | Total | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net		$ 36,170