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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2020
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)

2020

2019

    

2020

    

2019

Cost

$

40

$

22

  

$

67

  

$

42

Selling, general and administrative

 

155

 

93

  

 

272

  

 

167

Research, development and engineering

 

52

 

21

  

 

97

  

 

39

Pre-tax stock-based compensation cost

$

247

$

135

  

$

436

  

$

248

Income tax benefits

 

(52)

 

(29)

  

 

(96)

  

 

(54)

Total net stock-based compensation cost

$

196

$

106

  

$

340

  

$

194