Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following:

	June 30, 2020		December 31, 2019
	(in millions)
Raw materials	$	126	$	125
Work in progress		48		47
Finished goods		181		217
Spare parts		30		29
Inventories	$	385	$	418