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Inventories
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table summarizes components of inventories:
March 31, 2024December 31, 2023
Finished products$699.6 $791.7 
Work in process3,611.9 3,248.6 
Raw materials and supplies1,693.8 1,630.1 
Total (approximates replacement cost)6,005.3 5,670.4 
Increase to last-in, first-out (LIFO) cost
96.5 102.4 
Inventories$6,101.8 $5,772.8