Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net revenues	$ 33,266	$ 32,753	$ 28,216
Cost of products sold	7,439	7,718	7,042
Selling, general and administrative	6,942	7,399	6,295
Research and development	6,407	10,329	5,007
Acquired in-process research and development	385	424	327
Other operating expense (income)	(890)	500	0
Total operating costs and expenses	20,283	26,370	18,671
Operating earnings	12,983	6,383	9,545
Interest expense, net	1,509	1,144	1,004
Net foreign exchange loss	42	24	348
Other expense, net	3,006	18	466
Earnings before income tax	8,426	5,197	7,727
Income tax expense (benefit)	544	(490)	2,418
Net earnings	$ 7,882	$ 5,687	$ 5,309
Per share data
Basic earnings per share (in dollars per share)	$ 5.30	$ 3.67	$ 3.31
Diluted earnings per share (in dollars per share)	$ 5.28	$ 3.66	$ 3.30
Weighted-average basic shares outstanding (in shares)	1,481	1,541	1,596
Weighted-average diluted shares outstanding (in shares)	1,484	1,546	1,603