Stock-Based Compensation - Compensation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 278	$ 302	$ 324
Income tax benefits	(141)	(154)	(327)
Stock-based compensation expenses (benefits), net of tax	137	148	(3)
ASU 2016-09 Improvements to Employee Share-Based Payment Accounting
Amounts recognized in the financial statements
Income tax benefits	(89)	(100)	(228)
Cost of sales
Amounts recognized in the financial statements
Stock-based compensation programs expense	47	48	49
Selling, general and administrative expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	185	207	229
Research, development and related expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 46	$ 47	$ 46

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

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