Inventory (Tables)

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Components of inventory

The components of inventory are summarized as follows:

(In millions)	As of March 31, 2024		As of December 31, 2023
Raw materials	$	412.5	$	426.9
Work in process	1,851.3		1,926.8
Finished goods	347.9		255.4
Total inventory	$	2,611.7	$	2,609.1
Balance Sheet Classification:
Inventory	$	2,516.8	$	2,527.4
Investments and other assets	94.9		81.7
Total inventory	$	2,611.7	$	2,609.1

W