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Stock-Based Compensation - Compensation (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Amounts recognized in the financial statements |  |
Stock-based compensation programs expense | $ 120 | $ 130
Income tax benefits | (39) | (80)
Stock-based compensation expenses (benefits), net of tax | 81 | 50
Cost of sales |  |
Amounts recognized in the financial statements |  |
Stock-based compensation programs expense | 22 | 22
Selling, general and administrative expenses |  |
Amounts recognized in the financial statements |  |
Stock-based compensation programs expense | 73 | 82
Research, development and related expenses |  |
Amounts recognized in the financial statements |  |
Stock-based compensation programs expense | $ 25 | $ 26

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