LENDING ACTIVITIES (Details - Credit quality of residential mortgages by year of vintage) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	$ 184	$ 2,956
Year prior	3,158	964
Two years prior	904	408
Three years prior	362	167
Four years prior	142	274
Five years prior	916	723
Mortgage and other loans receivable, net	5,666	5,492
780 and greater
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	93	1,601
Year prior	2,307	691
Two years prior	693	297
Three years prior	255	107
Four years prior	95	192
Five years prior	631	501
780 and greater | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	4,074	3,389
720 - 779
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	90	1,306
Year prior	763	230
Two years prior	179	86
Three years prior	85	44
Four years prior	34	58
Five years prior	191	154
720 - 779 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	1,342	1,878
660 - 719
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	1	48
Year prior	84	42
Two years prior	30	22
Three years prior	18	12
Four years prior	11	20
Five years prior	69	49
660 - 719 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	213	193
600 - 659
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	1
Year prior	4	1
Two years prior	2	2
Three years prior	3	3
Four years prior	2	2
Five years prior	17	12
600 - 659 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	28	21
Less than 600
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Year prior	0	0
Two years prior	0	1
Three years prior	1	1
Four years prior	0	2
Five years prior	8	7
Less than 600 | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	$ 9	$ 11