Inventories

6 Months Ended

Jun. 30, 2026

Inventory Disclosure [Abstract]

Inventories

Inventories

	June 30, 2026		December 31, 2025
Finished goods	$	497	$	462
Work-in-process	1,070		885
Purchased raw materials	531		424
Operating supplies	85		78
Total inventories	$	2,183	$	1,849

As of June 30, 2026 and December 31, 2025, the portion of inventories valued on a last-in, first-out (“LIFO”) basis was $707 and $642, respectively. If valued on an average-cost basis, total inventories would have been $376 and $333 higher as of June 30, 2026 and December 31, 2025, respectively.