COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified											9 Months Ended
	Sep. 30, 2014 item	Dec. 31, 2013	Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Sep. 30, 2014 Lake Charles, LA facility	Dec. 31, 2013 Lake Charles, LA facility	Sep. 30, 2014 Lake Charles, South facility	Dec. 31, 2013 Lake Charles, South facility	Sep. 30, 2014 Natrium, West Virginia facility	Dec. 31, 2013 Natrium, West Virginia facility	Sep. 30, 2014 Natrium, West Virginia facility and Lake Charles, South facility Minimum
Environmental Regulation
Accrual of remediation costs	$ 61	$ 64			$ 24	$ 25	$ 15	$ 15	$ 14	$ 14
Current reserves for environmental contingencies	10	12
Period during which facilities are operational											65 years
Estimated capital expenditures required									30
Potential additional loss contingencies			$ 60	$ 100
Number of plant site locations	2