CAPITAL STOCK - Net Income (loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic:
Income (loss) attributable to common stock	$ (47)	$ 145
Income (loss) attributable to common stock, shares	376	382
Basic net income (loss) per share (in USD per share)	$ (0.12)	$ 0.38
Effect of Dilutive Securities:
Stock options and other (in shares)	0	2
Diluted:
Income (loss) attributable to common stock	$ (47)	$ 145
Income (loss) attributable to common stock, shares	376	384
Diluted net income (loss) per share (in USD per share)	$ (0.12)	$ 0.38