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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2018
Stock-Based Compensation  
Stock-based compensation cost included in income from continuing operations

 

 

Three Months Ended September 30,

 

Nine Months Ended September 30,

 

(Dollars in millions)

 

2018

 

2017

 

2018

 

2017

 

Cost

 

$
19

 

$
22

 

$
60

 

$
68

 

Selling, general and administrative

 
95

 
88

 
264

 
277

 

Research, development and engineering

 
15

 
13

 
47

 
43

 

 

 

 

 

 

 

 

 

 

 

Pre-tax stock-based compensation cost

 

$
129

 

$
123

 

$
371

 

$
388

 

Income tax benefits

 
(29

)
(41

)
(88

)
(128

)

 

 

 

 

 

 

 

 

 

 

Total net stock-based compensation cost

 

$
100

 

$
82

 

$
283

 

$
260