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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2020
Stock-Based Compensation  
Stock-based compensation cost included in income from continuing operations

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Three Months Ended September 30, 

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Nine Months Ended September 30, 

(Dollars in millions)

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2020

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2019

    

2020

    

2019

Cost

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$

42

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$

29

  

$

109

  

$

71

Selling, general and administrative

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129

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147

  

 

401

  

 

313

Research, development and engineering

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50

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44

  

 

147

  

 

84

Pre-tax stock-based compensation cost

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$

222

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$

220

  

$

658

  

$

468

Income tax benefits

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(50)

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(50)

  

 

(146)

  

 

(104)

Total net stock-based compensation cost

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$

172

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$

170

  

$

512

  

$

364