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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
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)

2021

2020

2021

2020

Cost

$

45

$

42

$

127

$

109

Selling, general and administrative

 

156

 

129

 

431

 

401

Research, development and engineering

 

61

 

50

 

160

 

147

Pre-tax stock-based compensation cost

$

262

$

222

$

719

$

658

Income tax benefits

 

(58)

 

(50)

 

(179)

 

(146)

Total net stock-based compensation cost

$

204

$

172

$

540

$

512