DERIVATIVES AND HEDGING ACTIVITIES (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Discussion of price risk derivative risk management policy in future	18 months
Unrealized net gain (loss) recorded in “Accumulated other comprehensive loss”	$ 2	$ (2)
Net asset (liability) position		(3)
Commodity Contract [Member]
Derivative [Line Items]
Notional amount of derivatives	16	28
Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative [Line Items]
Notional amount of derivatives	$ 16	$ 28