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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2017
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,
 
2017
 
2016
 
2017
 
2016
Net income attributable to the parent company
$
71

 
$
53

 
$
146

 
$
98

Less: Redeemable noncontrolling interests adjustment to
          redemption value
(2
)
 


 
(2
)
 


Net income available to common stockholders - Numerator basic and diluted
$
69

 
$
53

 
$
144

 
$
98













Denominator:
 
 
 
 
 
 
 
Weighted-average shares outstanding - Basic
144.8


146.6


144.7


148.0

Employee compensation-related shares, including stock options
1.4


0.4


1.4


0.4

Weighted-average shares outstanding - Diluted
146.2


147.0


146.1


148.4