Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators of Earnings Per Share Calculations [Table Text Block]

Reconciliation of the numerators and denominators of the earnings per share calculations —

	2018		2017			2016
Net income attributable to the parent company	$	427	$	111		$	640
Less: Redeemable noncontrolling interests adjustment to redemption value			(6		)
Net income available to common stockholders - Numerator basic and diluted	$	427	$	105		$	640
Denominator:
Weighted-average common shares outstanding - Basic	145.0		145.1			146.0
Employee compensation-related shares, including stock options	1.5		1.8			0.8
Weighted-average common shares outstanding - Diluted	146.5		146.9			146.8