Inventories

3 Months Ended

Mar. 31, 2018

Inventories

Inventories

11.    Inventories

Inventories are summarized as follows:

	As of		As of
(in millions)	March 31, 2018		December 31, 2017
Finished and in process	$	520	$	495
Raw materials		273		278
Manufacturing supplies and other		51		50
Total inventories	$	844	$	823