LENDING ACTIVITIES (Details - Credit quality of commercial mortgages) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 646
2019	1,248
2018	527
2017	866
2016	973
Prior	942
Mortgage and other loans receivable, net	46,387	$ 47,422
Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,736
2019	5,924
2018	6,309
2017	4,202
2016	5,258
Prior	12,930
Mortgage and other loans receivable, net	36,359	36,170
Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,571
2019	3,594
2018	4,796
2017	3,050
2016	3,251
Prior	10,136
Mortgage and other loans receivable, net	26,398
65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	163
2019	1,858
2018	1,513
2017	974
2016	1,292
Prior	1,751
Mortgage and other loans receivable, net	7,551
76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	88
2018	0
2017	124
2016	98
Prior	500
Mortgage and other loans receivable, net	810
Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2
2019	384
2018	0
2017	54
2016	617
Prior	543
Mortgage and other loans receivable, net	1,600
Greater than 1.2x | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,577
2019	5,452
2018	5,506
2017	4,008
2016	5,002
Prior	11,150
Mortgage and other loans receivable, net	32,695
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	157
2019	393
2018	457
2017	108
2016	162
Prior	1,382
Mortgage and other loans receivable, net	2,659
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	2
2019	79
2018	346
2017	86
2016	94
Prior	398
Mortgage and other loans receivable, net	$ 1,005
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