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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Reconciliation of Weighted Average Number of Shares of Common Stock Outstanding

Below is a reconciliation of the weighted average number of shares of common stock outstanding in calculating Diluted EPS (shares in thousands and dollars in millions, except per share amounts) for the periods presented:

 

 

 

Year ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss)

 

$

(19

)

 

$

120

 

 

$

198

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average shares used to compute

   Basic EPS

 

 

140,445

 

 

 

145,443

 

 

 

143,836

 

Weighted average effect of dilutive

   securities:

 

 

 

 

 

 

 

 

 

 

 

 

Stock options

 

 

-

 

 

 

1,129

 

 

 

1,839

 

RSUs

 

 

-

 

 

 

321

 

 

 

292

 

Weighted average shares used to compute

   Diluted EPS

 

 

140,445

 

 

 

146,893

 

 

 

145,967

 

Basic EPS

 

$

(0.14

)

 

$

0.83

 

 

$

1.38

 

Diluted EPS

 

$

(0.14

)

 

$

0.82

 

 

$

1.36