Inventories

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventories

J. Inventories

	March 31, 2021		December 31, 2020
Finished goods	$	303	$	321
Work-in-process		106		112
Bauxite and alumina		439		412
Purchased raw materials		397		377
Operating supplies		172		176
	$	1,417	$	1,398

Inventories related to the Warrick Rolling Mill were excluded from the December 31, 2020 balances in the above table due to the sale of the rolling mill and were reclassified to Assets held for sale (see Note C).