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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2022
Stock-Based Compensation  
Stock-based compensation cost included in income from continuing operations

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(Dollars in millions)

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For the three months ended March 31:

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2022

​

2021

Cost

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$

40

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$

34

Selling, general and administrative

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136

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115

Research, development and engineering

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57

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49

Pre-tax stock-based compensation cost

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$

234

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$

198

Income tax benefits

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(57)

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(48)

Total net stock-based compensation cost

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$

177

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$

149