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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2017
Stock-Based Compensation:  
Stock-based compensation cost included in income from continuing operations

 

 

Three Months Ended June 30,

 

Six Months Ended June 30,

 

(Dollars in millions)

 

2017

 

2016

 

2017

 

2016

 

Cost

 

$
23

 

$
23

 

$
46

 

$
44

 

Selling, general and administrative

 
98

 
91

 
189

 
190

 

Research, development and engineering

 
15

 
14

 
29

 
27

 

 

 

 

 

 

 

 

 

 

 

Pre-tax stock-based compensation cost

 
136

 
128

 
265

 
261

 

Income tax benefits

 
(38

)
(42

)
(86

)
(84

)

 

 

 

 

 

 

 

 

 

 

Total net stock-based compensation cost

 

$
97

 

$
86

 

$
178

 

$
176