LENDING ACTIVITIES (Details - Credit quality of commercial mortgages) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	$ 46,255	$ 46,376
Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	605	2,688
Year prior	2,829	6,149
Two years prior	6,115	6,448
Three years prior	6,340	4,172
Four years prior	4,131	4,849
Five years prior	16,398	12,118
Mortgage and other loans receivable, net	36,418	36,424
Less than 65% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	51	2,382
Year prior	2,637	3,755
Two years prior	3,552	3,855
Three years prior	4,182	2,565
Four years prior	2,671	2,852
Five years prior	10,324	8,145
Mortgage and other loans receivable, net	23,417	23,554
65% to 75% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	218	274
Year prior	192	2,330
Two years prior	2,499	2,363
Three years prior	1,958	1,306
Four years prior	1,015	1,200
Five years prior	4,172	2,551
Mortgage and other loans receivable, net	10,054	10,024
76% to 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	28
Year prior	0	45
Two years prior	45	30
Three years prior	0	0
Four years prior	0	70
Five years prior	861	515
Mortgage and other loans receivable, net	906	688
Greater than 80% | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	336	4
Year prior	0	19
Two years prior	19	200
Three years prior	200	301
Four years prior	445	727
Five years prior	1,041	907
Mortgage and other loans receivable, net	2,041	2,158
Greater than 1.2x | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	514	1,914
Year prior	1,958	5,596
Two years prior	5,346	5,649
Three years prior	5,391	3,941
Four years prior	3,861	4,592
Five years prior	14,846	10,730
Mortgage and other loans receivable, net	31,916	32,422
1.00X - 1.20X | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	770
Year prior	871	467
Two years prior	769	456
Three years prior	610	144
Four years prior	182	161
Five years prior	1,261	1,106
Mortgage and other loans receivable, net	3,693	3,104
Less than 1.00X | Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	91	4
Year prior	0	86
Two years prior	0	343
Three years prior	339	87
Four years prior	88	96
Five years prior	291	282
Mortgage and other loans receivable, net	$ 809	$ 898