Inventory (Tables)

9 Months Ended

Sep. 30, 2024

Inventory Disclosure [Abstract]

Components of inventory

The components of inventory are summarized as follows:

(In millions)	As of September 30, 2024		As of December 31, 2023
Raw materials	$	368.9	$	426.9
Work in process	1,803.8		1,926.8
Finished goods	391.0		255.4
Total inventory	$	2,563.7	$	2,609.1
Balance Sheet Classification:
Inventory	$	2,469.2	$	2,527.4
Investments and other assets	94.5		81.7
Total inventory	$	2,563.7	$	2,609.1