Inventories (Tables)

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Schedule of components of inventories

Inventories consisted of the following:

(in millions)	June 30, 2021		December 31, 2020
Finished goods	$	175	$	133
Raw materials	131		83
In-process inventories	27		16
Parts, supplies and other	71		66
Total inventories	$	404	$	298