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Earnings Per Share ("EPS") - Computation of Basic and Diluted Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator:
Net income (loss) attributable to the Company's stockholders	$ 2	$ (23)
Denominator:
Weighted-average common shares outstanding, basic	108,074,718	107,550,846
Effect of dilutive securities	98,041
Weighted-average common shares outstanding, diluted	108,172,759	107,550,846
Basic	$ 0.02	$ (0.21)
Diluted	$ 0.02	$ (0.21)

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- Definition

Net income loss attributable to shareholders.

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Net income loss available to common stockholders basic and diluted.

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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