Inventories (Tables)

3 Months Ended

Mar. 30, 2012

Inventories [Abstract]

Inventories at Lower of Cost or Market

	March 30, 2012		December 31, 2011
	(in millions)
Raw materials, components and sub-assemblies	$	145	$	121
Work in process		148		143
Finished goods		67		53
Total	$	360	$	317