Inventories

12 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Inventories

J. Inventories

December 31,	2023		2022
Finished goods	$	355	$	385
Work-in-process		287		350
Bauxite and alumina		586		584
Purchased raw materials		700		923
Operating supplies		230		185
	$	2,158	$	2,427