COMMITMENTS AND CONTINGENCIES (Details)	1 Months Ended		3 Months Ended
	Apr. 30, 2017 complaint	May 31, 2016 complaint	Mar. 31, 2018 location item complaint
Loss contingencies
Period to appeal court's decision after entry of final judgment under Federal Rule of Appellate Procedure			30 days
Environmental matters
Number of locations for environmental assessments and remediation | location			45
Deepwater Horizon Incident
Loss contingencies
Number of putative class action complaints filed			6
Number of complaints filed by individuals			21
Deepwater Horizon Incident | Nalco
Loss contingencies
Number of complaints filed by individuals		9
Number of complaints filed by individuals claiming economic loss	2
Number of master complaints naming Nalco and others who responded to the oil spill (known as the "B3 Bundle")			1
Number of proposed class action settlements | item			2