Inventories

9 Months Ended

Sep. 30, 2025

Inventory Disclosure [Abstract]

Inventories

Inventories

($ in millions)	September 30, 2025	December 31, 2024
Finished products	$1,159	$949
Work in process	277	235
Raw materials	693	613
Supplies	53	49
Total Inventories	$2,182	$1,846

Most U.S. inventories are valued using the last-in, first-out method. If the first-in, first-out ("FIFO") method of inventory valuation had been used, inventories would have been $181 million and $169 million higher as of September 30, 2025 and December 31, 2024, respectively.