Segment Information and Geographic Data - Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Operating Expenses									$ 1,371	$ 1,388	$ 1,562
Net sales
Total Net sales	$ 1,137	$ 1,092	$ 1,012	$ 977	$ 1,026	$ 935	$ 896	$ 865	4,218	3,722	3,574
Operating income:
Total Operating income									610	322	80
Operating segments
Net sales
Total Net sales									4,218	3,725	3,584
Operating income:
Total Operating income									729	575	526
Corporate, eliminations
Net sales
Total Net sales									0	(3)	(10)
Operating income:
Total Operating income									(119)	(253)	(446)
AIT
Net sales
Total Net sales									1,423
AIT | Operating segments
Segment Reporting Information [Line Items]
Operating Expenses										(14)	(41)
Net sales
Total Net sales									1,423	1,311	1,247
Operating income:
Total Operating income									325	274	281
EVM
Net sales
Total Net sales									2,795
EVM | Operating segments
Segment Reporting Information [Line Items]
Operating Expenses										14	41
Net sales
Total Net sales									2,795	2,414	2,337
Operating income:
Total Operating income									$ 404	$ 301	$ 245