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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2017
Stock-Based Compensation:  
Stock-based compensation cost included in income from continuing operations

(Dollars in millions)

 

 

 

 

 

For the three months ended March 31:

 

2017

 

2016

 

Cost

 

$
23

 

$
21

 

Selling, general and administrative

 
91

 
99

 

Research, development and engineering

 
15

 
13

 

Pre-tax stock-based compensation cost

 
129

 
133

 

Income tax benefits

 
(48

)
(43

)

Total net stock-based compensation cost

 

$
81

 

$
90