Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventories

Components of inventories

	As of		As of
(in millions)	September 30, 2019		December 31, 2018
Finished and in process	$	535	$	522
Raw materials		289		250
Manufacturing supplies and other		55		52
Total inventories	$	879	$	824