Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

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 — 

	Three Months Ended   June 30,					Six Months Ended   June 30,
	2019			2018		2019		2018
Net income attributable to the parent company	$	(68	)	$	124	$	30	$	232
Less: Redeemable noncontrolling interests adjustment to   redemption value	—			—		—		—
Net income available to common stockholders - Numerator basic and diluted	$	(68	)	$	124	$	30	$	232
Denominator:
Weighted-average common shares outstanding - Basic	144.0			145.1		143.9		145.3
Employee compensation-related shares, including stock options	—			1.4		0.9		1.7
Weighted-average common shares outstanding - Diluted	144.0			146.5		144.8		147.0