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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Stock-Based Compensation  
Stock-based compensation cost included in income from continuing operations

(Dollars in millions)

For the three months ended March 31:

2021

2020

Cost

$

41

$

27

Selling, general and administrative

 

123

 

117

Research, development and engineering

 

49

 

45

Pre-tax stock-based compensation cost

$

213

$

189

Income tax benefits

 

(52)

 

(45)

Total net stock-based compensation cost

$

161

$

144