Earnings (loss) Per Share ("EPS") - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator for basic and diluted net income (loss) per share attributable to the Company's stockholders:
Net income (loss) attributable to the Company's stockholders	$ (224)	$ 32	$ (253)	$ 100
Denominator for basic earnings (loss) per share attributable to the Company's stockholders:
Weighted average common shares outstanding	107,188,092	107,061,639	107,160,921	107,055,932
Effect of dilutive securities:
Dilutive effect of stock-based compensation		563,604		492,235
Denominator for diluted earnings (loss) per share attributable to the Company's stockholders	107,188,092	107,625,243	107,160,921	107,548,167
Basic	$ (2.09)	$ 0.30	$ (2.36)	$ 0.93
Diluted	$ (2.09)	$ 0.30	$ (2.36)	$ 0.93