Inventories

9 Months Ended

Sep. 30, 2020

Inventories

Inventories

4. Inventories

Major classes of inventory at September 30, 2020, December 31, 2019 and September 30, 2019 are as follows:

	September 30,		December 31,		September 30,
	2020		2019		2019
Finished goods	$	625	$	872	$	836
Raw materials		121		128		134
Operating supplies		36		45		45
	$	782	$	1,045	$	1,015