Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following:

millions	March 31, 2022		December 31, 2021
Raw materials	$	108	$	96
Materials and supplies	798		783
Commodity inventory and finished goods	599		1,066
	1,505		1,945
Revaluation to LIFO	(99)		(99)
Total	$	1,406	$	1,846