Inventory (Tables)

12 Months Ended

Dec. 31, 2024

Inventory Disclosure [Abstract]

Components of inventory

The components of inventory are summarized as follows:

	As of December 31,
(In millions)	2024		2023
Raw materials	$	317.8	$	426.9
Work in process	1,882.8		1,926.8
Finished goods	353.8		255.4
Total inventory	$	2,554.4	$	2,609.1
Balance Sheet Classification:
Inventory	$	2,460.5	$	2,527.4
Investments and other assets	93.9		81.7
Total inventory	$	2,554.4	$	2,609.1