LENDING ACTIVITIES (Details - Credit quality of residential mortgages by year of vintage) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	$ 35,665	$ 36,424
Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	2,956	1,020
Year prior	964	1,034
Two years prior	408	421
Three years prior	167	675
Four years prior	274	776
Five years prior	723	719
Mortgage and other loans receivable, net	5,492	4,645
780 and greater | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	1,601	522
Year prior	691	619
Two years prior	297	283
Three years prior	107	469
Four years prior	192	539
Five years prior	501	484
Mortgage and other loans receivable, net	3,389	2,916
720 - 779 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	1,306	478
Year prior	230	349
Two years prior	86	103
Three years prior	44	155
Four years prior	58	180
Five years prior	154	156
Mortgage and other loans receivable, net	1,878	1,421
660 - 719 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	48	19
Year prior	42	61
Two years prior	22	28
Three years prior	12	42
Four years prior	20	51
Five years prior	49	58
Mortgage and other loans receivable, net	193	259
600 - 659 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	1	1
Year prior	1	5
Two years prior	2	6
Three years prior	3	7
Four years prior	2	4
Five years prior	12	12
Mortgage and other loans receivable, net	21	35
Less than 600 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Year prior	0	0
Two years prior	1	1
Three years prior	1	2
Four years prior	2	2
Five years prior	7	9
Mortgage and other loans receivable, net	$ 11	$ 14