INSURANCE LIABILITIES (Details - Discounting of Reserves) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Discounting of Reserves [Line Items]
Workers Compensation Tabular Discount Amount	$ 285	$ 582
Workers Compensation Non Tabular Discount Amount	440	967
U.S. Workers' compensation	1,636	2,800
Retroactive Reinsurance	(911)	(1,251)
Total reserve discount	725	1,549
Current accident year	71	108	$ 119
Accretion and other adjustments to prior year discount	(180)	(316)	(166)
Effect of interest rate changes	(407)	(747)	418
Net loss reserve discount charge	(516)	(955)	371
Change in discount on loss reserves ceded under retroactive reinsurance	340	469	(180)
Net change in total reserve discount	(176)	(486)	191
Fortitude [Member]
Discounting of Reserves [Line Items]
Total reserve discount	$ 493
Percent of discount ceded on sale	100.00%
North America Commerical Insurance
Discounting of Reserves [Line Items]
U.S. Workers' compensation	$ 1,636	2,134
Retroactive Reinsurance	(911)	(1,251)
Total reserve discount	725	883
Current accident year	71	108	119
Accretion and other adjustments to prior year discount	(162)	(229)	(108)
Effect of interest rate changes	(407)	(527)	305
Net loss reserve discount charge	(498)	(648)	316
Change in discount on loss reserves ceded under retroactive reinsurance	340	469	(180)
Net change in total reserve discount	(158)	(179)	136
Other Operations Run-Off
Discounting of Reserves [Line Items]
U.S. Workers' compensation	0	666
Retroactive Reinsurance	0	0
Total reserve discount	0	666
Current accident year	0	0	0
Accretion and other adjustments to prior year discount	(18)	(87)	(58)
Effect of interest rate changes	0	(220)	113
Net loss reserve discount charge	(18)	(307)	55
Change in discount on loss reserves ceded under retroactive reinsurance	0	0	0
Net change in total reserve discount	$ (18)	(307)	55
New York
Discounting of Reserves [Line Items]
Nontabular discount rate	5.00%
United Kingdom
Discounting of Reserves [Line Items]
Total reserve discount	$ 151	172
Net change in total reserve discount	$ (20)	$ 9	$ (9)