PENSION AND POST-RETIREMENT BENEFITS - Weighted-average Assumptions Used to Determine Net Periodic Benefit Cost (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	4.13%	3.47%
Expected long-term return on plan assets (as a percent)	6.00%	6.00%
Rate of future compensation increases (as a percent)	3.50%	3.50%
International Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	2.52%	2.19%
Expected long-term return on plan assets (as a percent)	4.86%	4.95%
Rate of future compensation increases (as a percent)	2.02%	1.75%