Inventories (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Finished products		$ 791.7	$ 901.2
Work in process		3,248.6	2,597.7
Raw materials and supplies		1,630.1	801.9
Total (approximates replacement cost)		5,670.4	4,300.8
Increase to LIFO cost		102.4	8.9
Inventories		5,772.8	4,309.7
LIFO inventory amount		$ 1,770.0	$ 1,230.0
Inventory write-down	$ 339.7