Inventories, Net (Tables)

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories, net, consist of the following (amounts in millions):

	At December 31,
	2018		2017
Finished goods	$	40	$	45
Purchased parts and components	3		1
Inventories, net	$	43	$	46