EMPLOYEE BENEFITS (Details - Weighted average assumptions used to determine the benefit obligations)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
U.S.
Weighted average assumptions used to determine the net periodic benefit costs:
Expected return on assets (as a percent)	5.55%	6.20%
Non U.S. Plans
Weighted average assumptions used to determine the net periodic benefit costs:
Expected return on assets (as a percent)	2.32%	2.51%
Pension | U.S.
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	2.28%	3.16%
Interest crediting rate	1.57%	2.19%
Assumed health care cost trend rates
Ultimate rate to which cost increase is assumed to decline (as a percent)	4.50%	4.50%
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	3.16%	4.22%	3.61%
Interest crediting rate	2.19%	3.34%	2.88%
Expected return on assets (as a percent)	5.55%	6.20%	6.75%
Pension | U.S. | Medical (before age 65)
Assumed health care cost trend rates
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	5.55%	5.74%
Year in which the ultimate trend rate is reached:	2038	2038
Pension | U.S. | Medical (age 65 and older)
Assumed health care cost trend rates
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	5.00%	5.00%
Year in which the ultimate trend rate is reached:	2038	2038
Pension | Non U.S. Plans
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	1.00%	1.09%
Interest crediting rate	0.72%	0.44%
Rate of compensation increase (as a percent)	2.28%	2.22%
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	1.09%	1.71%	1.60%
Interest crediting rate	0.44%	0.74%	0.70%
Rate of compensation increase (as a percent)	2.22%	2.27%	2.27%
Expected return on assets (as a percent)	2.32%	2.51%	2.78%
Pension | AIG Japan pension plans
Discount Rate Methodology
Projected benefit obligation to total projected benefit obligations (as a percent)	51.00%	53.00%
Weighted average discount rate (as a percent)	0.56%	0.42%
Postretirement Plans | U.S.
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	2.25%	3.14%
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	3.14%	4.17%	3.53%
Postretirement Plans | Non U.S. Plans
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	2.33%	3.18%
Rate of compensation increase (as a percent)		3.00%
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	3.18%	4.12%	3.59%
Rate of compensation increase (as a percent)	3.00%	3.00%	3.00%