Inventories, Net (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Components of Inventory

Inventories, net of reserves, by category were as follows:

	December 31,
(Dollars in millions)	2017		2016
Raw materials, components and supplies	$	144	$	168
Work in process	47		49
Finished goods	1,043		1,585
	$	1,234	$	1,802