PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Pension Benefit Plans | U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	1	2
Expected return on plan assets	(3)	(3)
Amortization of prior service credit and other	0	0
Net periodic (benefit) cost	(2)	(1)
Pension Benefit Plans | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	1
Interest cost	1	1
Expected return on plan assets	(1)	(1)
Amortization of prior service credit and other	0	(4)
Net periodic (benefit) cost	1	(3)
Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	0	0
Expected return on plan assets	0	0
Amortization of prior service credit and other	(1)	(1)
Net periodic (benefit) cost	$ (1)	$ (1)