Equity - Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Pre-tax compensation expense	$ 219	$ 189
Tax benefit	39	33
After-tax compensation expense	180	156
Cost of products sold
Share-based Compensation Arrangement by Share-based Payment Award
Pre-tax compensation expense	15	15
Research and development
Share-based Compensation Arrangement by Share-based Payment Award
Pre-tax compensation expense	92	72
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award
Pre-tax compensation expense	$ 112	$ 102

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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