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Earnings Per Share (Tables)
 9 Months Ended
Sep. 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 
 September 30,

Nine Months Ended 
 September 30,
 
2017
 
2016
 
2017
 
2016
Net income attributable to the parent company
$
69

 
$
57

 
$
215

 
$
155

Less: Redeemable noncontrolling interests adjustment to
          redemption value
(1
)
 


 
(3
)
 


Net income available to common stockholders - Numerator basic and diluted
$
68

 
$
57

 
$
212

 
$
155













Denominator:
 
 
 
 
 
 
 
Weighted-average shares outstanding - Basic
145.0


144.0


144.8


146.7

Employee compensation-related shares, including stock options
1.9


0.6


1.7


0.4

Weighted-average shares outstanding - Diluted
146.9


144.6


146.5


147.1