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Earnings Per Common Share ("EPS")
9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Earnings Per Common Share (EPS) Earnings Per Common Share (“EPS”)
 
 
Quarter ended
 
Year to date
 
 
2018
 
2017
 
2018
 
2017
Net Income
 
$
454

 
$
418

 
$
1,208

 
$
904

 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding (for basic calculation)
 
318


345

 
325

 
351

Effect of dilutive share-based employee compensation
 
7

 
8

 
7

 
7

Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)
 
325


353

 
332


358

 
 
 
 
 
 
 
 
 
Basic EPS
 
$
1.43

 
$
1.21

 
$
3.72

 
$
2.58

 
 
 
 
 
 
 
 
 
Diluted EPS
 
$
1.40

 
$
1.18

 
$
3.64

 
$
2.52

Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)
 
2.2

 
1.9

 
1.9

 
2.3


(a)
These unexercised employee stock options and stock appreciation rights were not included in the computation of diluted EPS because to do so would have been antidilutive for the periods presented.