EMPLOYEE BENEFITS (Details - Asset allocations by major asset class)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
U.S.
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	100.00%
Actual allocation (as a percent)	100.00%	100.00%
Expected weighted average long-term rate of return plan assets (as a percent)	5.55%	6.20%
U.S. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	27.00%
Actual allocation (as a percent)	25.00%	25.00%
U.S. | Fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	61.00%
Actual allocation (as a percent)	57.00%	59.00%
U.S. | Other Investments
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	12.00%
Actual allocation (as a percent)	18.00%	16.00%
Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	100.00%
Actual allocation (as a percent)	100.00%	100.00%
Expected weighted average long-term rate of return plan assets (as a percent)	2.32%	2.51%
Non U.S. Plans | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	26.00%
Actual allocation (as a percent)	22.00%	23.00%
Non U.S. Plans | Fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	50.00%
Actual allocation (as a percent)	45.00%	43.00%
Non U.S. Plans | Other Investments
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	21.00%
Actual allocation (as a percent)	24.00%	24.00%
Non U.S. Plans | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Target allocation (as a percent)	3.00%
Actual allocation (as a percent)	9.00%	10.00%
Pensions | AIG Japan pension plans
Defined Benefit Plan Disclosure [Line Items]
Actual allocation (as a percent)	61.00%	61.00%
Expected weighted average long-term rate of return plan assets (as a percent)	1.84%	1.82%