RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS - ACCRUED LIABILITIES BY INITIATIVE (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Accrued liabilities by initiatives
Accrued liabilities	$ 41	$ 21
2015 and prior initiatives
Accrued liabilities by initiatives
Accrued liabilities	12	$ 21
2017 initiatives
Accrued liabilities by initiatives
Accrued liabilities	$ 29