Stock-Based Compensation - Compensation (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 52	$ 49	$ 182	$ 208
Income tax benefits	(28)	(19)	(108)	(117)
Stock-based compensation expenses (benefits), net of tax	24	30	74	91
Cost of sales
Amounts recognized in the financial statements
Stock-based compensation programs expense	9	9	31	32
Selling, general and administrative expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	36	33	118	142
Research, development and related expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 7	$ 7	$ 33	$ 34

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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