Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Total revenues	$ 6,238	$ 5,901
Operating expenses:
Cost of sales	1,561	1,490
Research and development	959	967
Selling, general and administrative	1,228	1,254
Other	(10)	61
Total operating expenses	3,738	3,772
Operating income	2,500	2,129
Interest expense, net	(295)	(285)
Other (expense) income, net	(530)	13
Income before income taxes	1,675	1,857
Provision for income taxes	199	211
Net income	$ 1,476	$ 1,646
Earnings per share:
Basic (in usd per share)	$ 2.69	$ 2.85
Diluted (in usd per share)	$ 2.68	$ 2.83
Shares used in calculation of earnings per share:
Basic (in shares)	548	577
Diluted (in shares)	551	581
Product sales [Member]
Revenues:
Total revenues	$ 5,731	$ 5,592
Other revenues [Member]
Revenues:
Total revenues	$ 507	$ 309