Inventories (Tables)

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory by major classification was as follows:

	December 31
	2021		2020
Finished goods	$	747	$	758
Work in process	508		449
Raw materials	510		441
Materials and supplies	81		95
Total inventories	$	1,846	$	1,743