Consolidated Condensed Statements of Operations (Unaudited) - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue (Note 2)	$ 6,488,000,000	$ 6,740,100,000	$ 14,298,000,000	$ 13,545,700,000
Costs, expenses, and other:
Cost of sales	1,430,500,000	1,953,200,000	3,502,600,000	3,831,800,000
Research and development	1,781,900,000	1,655,000,000	3,392,000,000	3,327,100,000
Marketing, selling, and administrative	1,625,100,000	1,685,700,000	3,183,000,000	3,261,700,000
Acquired in-process research and development and development milestones (Note 3)	440,400,000	42,800,000	606,000,000.0	354,800,000
Asset impairment, restructuring, and other special charges (Note 5)	0	0	0	211,600,000
Other–net, (income) expense (Note 11)	119,200,000	(190,500,000)	469,900,000	(511,600,000)
Costs, expenses, and other	5,397,100,000	5,146,200,000	11,153,500,000	10,475,400,000
Income before income taxes	1,090,900,000	1,593,900,000	3,144,500,000	3,070,300,000
Income taxes (Note 7)	138,400,000	203,700,000	289,100,000	324,800,000
Net income	$ 952,500,000	$ 1,390,200,000	$ 2,855,400,000	$ 2,745,500,000
Earnings per share:
Basic (in dollars per share)	$ 1.06	$ 1.53	$ 3.17	$ 3.02
Diluted (in dollars per share)	$ 1.05	$ 1.53	$ 3.16	$ 3.01
Shares used in calculation of earnings per share:
Basic (in shares)	900.3	907.3	902.0	908.2
Diluted (in shares)	902.9	910.4	904.4	911.6