Inventories (Tables)

3 Months Ended

Mar. 29, 2019

Inventory Disclosure [Abstract]

Inventories at Lower of Cost or Realizable Value

The table below presents the components of inventories at the lower of cost (first-in, first-out or average cost) or realizable value.

	March 29, 2019		December 31, 2018
	(in millions)
Raw materials, components and sub-assemblies	$	372	$	351
Work in process	335		330
Finished goods	189		198
Total	$	896	$	879