PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Pension Benefit Plans | U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1	$ 1
Interest cost	4	6
Expected return on plan assets	(10)	(10)
Amortization of prior service credit and other	0	0
Amortization of net loss	0	0
Net periodic (benefit) cost	(5)	(3)
Pension Benefit Plans | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	2
Interest cost	3	4
Expected return on plan assets	(4)	(4)
Amortization of prior service credit and other	0	(1)
Amortization of net loss	1	1
Net periodic (benefit) cost	2	2
Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	1	1
Expected return on plan assets	0	0
Amortization of prior service credit and other	(2)	(2)
Amortization of net loss	0	0
Net periodic (benefit) cost	$ (1)	$ (1)