Inventories (Tables)

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory Components

December 31,	2021		2020
Finished goods	$	538	$	321
Work-in-process		85		112
Bauxite and alumina		539		412
Purchased raw materials		619		377
Operating supplies		175		176
	$	1,956	$	1,398