EMPLOYEE BENEFITS (Details - Weighted average assumptions used to determine the benefit obligations) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Pension | U.S. Plans
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	3.61%	4.14%
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)	4.15%	4.33%	3.94%
Rate of compensation increase (as a percent)			3.40%
Expected return on assets (as a percent)	7.00%	7.00%	7.25%
Discount Rate Methodology
Discount rate (as a percent)	3.61%	4.15%
Pension | U.S. Plans | Medical (before age 65)
Assumed health care cost trend rates
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	6.12%	6.31%
Year in which the ultimate trend rate is reached:	2038	2038
Pension | U.S. Plans | 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)	1.60%	1.50%
Rate of compensation increase (as a percent)	2.27%	2.50%
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	1.50%	2.17%	2.33%
Rate of compensation increase (as a percent)	2.50%	2.64%	2.89%
Expected return on assets (as a percent)	2.92%	3.28%	3.33%
Pension | AIG Japan pension plans
Discount Rate Methodology
Projected benefit obligation to total projected benefit obligations (as a percent)	50.00%	54.00%
Weighted average discount rate (as a percent)	0.66%	0.47%
Postretirement Plans | U.S. Plans
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	3.53%	4.02%
Effect of one percent point change in the assumed healthcare cost trend rate on postretirement benefit obligations
One percent increase	$ 4	$ 4
One percent decrease	$ (4)	$ (3)
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	4.01%	4.21%	3.77%
Postretirement Plans | Non U.S. Plans
Weighted average assumptions used to determine the benefit obligations:
Discount rate (as a percent)	3.59%	3.95%
Rate of compensation increase (as a percent)	3.00%	3.38%
Effect of one percent point change in the assumed healthcare cost trend rate on postretirement benefit obligations
One percent increase	$ 14	$ 19
One percent decrease	$ (10)	$ (14)
Weighted average assumptions used to determine the net periodic benefit costs:
Discount rate (as a percent)	3.95%	4.09%	4.04%
Rate of compensation increase (as a percent)	3.38%	3.43%	3.29%