Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

The estimated useful lives of property, plant, and equipment are as follows:

Building and improvements	10–50 years
Laboratory and other equipment	3–10 years
Furniture and fixtures	5 years

Property, plant, and equipment, net consists of the following:

	As of December 31,
(In millions)	2023		2022
Building and improvements	$	2,423.1	$	2,270.0
Leasehold improvements	133.9		114.3
Laboratory equipment	1,384.5		1,315.3
Computer equipment and software	389.7		337.4
Furniture, office equipment, and other	165.9		150.2
Land	283.1		264.5
Construction in progress	1,345.0		980.5
	6,125.2		5,432.2
Accumulated depreciation and amortization	(1,978.8)		(1,669.2)
	$	4,146.4	$	3,763.0