Consolidated Condensed Statements of Operations (Unaudited) - USD ($) shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue (Note 2)	$ 9,498,600,000	$ 6,941,600,000	$ 24,770,700,000	$ 21,239,600,000
Costs, expenses, and other:
Cost of sales	1,860,100,000	1,579,100,000	5,294,200,000	5,081,700,000
Research and development	2,409,100,000	1,802,900,000	6,750,700,000	5,194,900,000
Marketing, selling, and administrative	1,803,900,000	1,614,200,000	5,478,500,000	4,797,200,000
Acquired in-process research and development (Note 3)	2,975,100,000	62,400,000	3,177,200,000	668,400,000
Asset impairment, restructuring, and other special charges (Note 5)	0	206,500,000	0	206,500,000
Other–net, (income) expense (Note 11)	23,200,000	111,000,000.0	24,300,000	580,900,000
Costs, expenses, and other	9,071,400,000	5,376,100,000	20,724,900,000	16,529,600,000
Income before income taxes	427,200,000	1,565,500,000	4,045,800,000	4,710,000,000
Income taxes (Note 7)	484,600,000	113,800,000	995,100,000	402,900,000
Net income (loss)	$ (57,400,000)	$ 1,451,700,000	$ 3,050,700,000	$ 4,307,100,000
Earnings (loss) per share:
Basic (in dollars per share)	$ (0.06)	$ 1.61	$ 3.39	$ 4.78
Diluted (in dollars per share)	$ (0.06)	$ 1.61	$ 3.38	$ 4.76
Shares used in calculation of earnings (loss) per share:
Basic (in shares)	899.8	900.7	900.2	901.8
Diluted (in shares)	899.8	903.8	903.1	904.5