EMPLOYEE BENEFITS (Details - Components of net periodic benefit cost with respect to pensions and other postretirement benefits) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Pensions
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 8	$ 6	$ 23	$ 21
Interest cost	47	45	142	134
Expected return on assets	(63)	(78)	(188)	(232)
Amortization of prior service cost (credit)	0	0	1	1
Amortization of net (gain) loss	10	9	29	27
Net periodic benefit cost (credit)	2	(18)	7	(49)
Settlement charges	0	0	(3)	0
Net benefit cost (credit)	2	(18)	4	(49)
Pensions | U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	0	7	4
Interest cost	44	41	131	122
Expected return on assets	(58)	(72)	(172)	(213)
Amortization of prior service cost (credit)	0	0	0	0
Amortization of net (gain) loss	9	7	25	21
Net periodic benefit cost (credit)	(3)	(24)	(9)	(66)
Settlement charges	0	0	0	0
Net benefit cost (credit)	(3)	(24)	(9)	(66)
Pensions | Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	6	6	16	17
Interest cost	3	4	11	12
Expected return on assets	(5)	(6)	(16)	(19)
Amortization of prior service cost (credit)	0	0	1	1
Amortization of net (gain) loss	1	2	4	6
Net periodic benefit cost (credit)	5	6	16	17
Settlement charges	0	0	(3)	0
Net benefit cost (credit)	5	6	13	17
Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	1	2
Interest cost	2	2	6	6
Expected return on assets	0	0	0	0
Amortization of prior service cost (credit)	0	0	(1)	(2)
Amortization of net (gain) loss	0	0	(1)	0
Net periodic benefit cost (credit)	2	2	5	6
Settlement charges	0	0	0	0
Net benefit cost (credit)	2	2	5	6
Postretirement Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	1	1
Interest cost	2	1	5	4
Expected return on assets	0	0	0	0
Amortization of prior service cost (credit)	0	0	0	(1)
Amortization of net (gain) loss	0	0	(1)	0
Net periodic benefit cost (credit)	2	1	5	4
Settlement charges	0	0	0	0
Net benefit cost (credit)	2	1	5	4
AIG contributions			160
Postretirement Plans | Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	1
Interest cost	0	1	1	2
Expected return on assets	0	0	0	0
Amortization of prior service cost (credit)	0	0	(1)	(1)
Amortization of net (gain) loss	0	0	0	0
Net periodic benefit cost (credit)	0	1	0	2
Settlement charges	0	0	0	0
Net benefit cost (credit)	$ 0	$ 1	$ 0	$ 2