Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory by major classification was as follows:

	September 30, 2021		December 31, 2020
Finished goods	$	782	$	758
Work in process	517		449
Raw materials	503		441
Materials and supplies	91		95
Total inventories	$	1,893	$	1,743