EMPLOYEE BENEFITS (Details - Components of net periodic benefit cost with respect to pensions and other postretirement benefits) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Pensions
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 8	$ 8
Interest cost	48	45
Expected return on assets	(62)	(78)
Amortization of prior service cost (credit)	0	1
Amortization of net (gain) loss	9	9
Net periodic benefit cost (credit)	3	(15)
Settlement charges	4	0
Net benefit cost (credit)	(1)	(15)
Pensions | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	2
Interest cost	44	41
Expected return on assets	(57)	(71)
Amortization of prior service cost (credit)	0	0
Amortization of net (gain) loss	8	7
Net periodic benefit cost (credit)	(3)	(21)
Settlement charges	0	0
Net benefit cost (credit)	(3)	(21)
Pensions | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	6	6
Interest cost	4	4
Expected return on assets	(5)	(7)
Amortization of prior service cost (credit)	0	1
Amortization of net (gain) loss	1	2
Net periodic benefit cost (credit)	6	6
Settlement charges	4	0
Net benefit cost (credit)	2	6
Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	2	2
Expected return on assets	0	0
Amortization of prior service cost (credit)	0	0
Amortization of net (gain) loss	0	0
Net periodic benefit cost (credit)	2	2
Settlement charges	0	0
Net benefit cost (credit)	2	2
Postretirement Plans | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	2	2
Expected return on assets	0	0
Amortization of prior service cost (credit)	0	0
Amortization of net (gain) loss	0	0
Net periodic benefit cost (credit)	2	2
Settlement charges	0	0
Net benefit cost (credit)	2	2
Postretirement Plans | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	0	0
Expected return on assets	0	0
Amortization of prior service cost (credit)	0	0
Amortization of net (gain) loss	0	0
Net periodic benefit cost (credit)	0	0
Settlement charges	0	0
Net benefit cost (credit)	$ 0	$ 0