Inventories

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Inventories

J. Inventories

	September 30, 2023		December 31, 2022
Finished goods	$	404	$	385
Work-in-process		323		350
Bauxite and alumina		577		584
Purchased raw materials		680		923
Operating supplies		206		185
	$	2,190	$	2,427