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Earnings (Loss) Per Share Of Common Stock (Tables)
9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Reconciliation of basic and diluted earnings per share
The following table reconciles basic and diluted earnings (loss) per share of common stock:
(In millions, except per share amounts)
 
For the Three Months Ended September 30
 
For the Nine Months Ended September 30
Reconciliation of Basic and Diluted Earnings (Loss) per Share of Common Stock
 
2017

2016
 
2017
 
2016
 
 
 
 
 
 
 
Net income (loss)
 
$
396

 
$
380

 
$
775

 
$
(381
)
 
 
 
 
 
 
 
 
 
Weighted average number of basic shares outstanding
 
444

 
425

 
444

 
425

Assumed exercise of dilutive stock options and awards(1)
 
2

 
2

 
1

 

Weighted average number of diluted shares outstanding
 
446

 
427

 
445

 
425

 
 
 
 
 
 
 
 
 
Basic earnings (loss) per share of common stock
 
$
0.89

 
$
0.89

 
$
1.75

 
$
(0.90
)
Diluted earnings (loss) per share of common stock
 
$
0.89

 
$
0.89

 
$
1.74

 
$
(0.90
)

(1) 
For both the three and nine months ended September 30, 2017, and the three months ended September 30, 2016, one million shares were excluded from the calculation of diluted shares outstanding, as their inclusion would be antidilutive. For the nine months ended September 30, 2016, three million shares were excluded from the calculation of diluted shares outstanding, as their inclusion would be antidilutive as a result of the net loss.