Segment Information and Geographic Data - Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net sales
Total Net sales	$ 1,192	$ 1,130	$ 1,097	$ 1,066	$ 1,137	$ 1,092	$ 1,012	$ 977	$ 4,485	$ 4,218	$ 3,722
Operating income:
Total Operating income									692	610	322
Operating segments
Net sales
Total Net sales									4,485	4,218	3,725
Operating income:
Total Operating income									838	729	575
Corporate, eliminations
Net sales
Total Net sales									0	0	(3)
Operating income:
Total Operating income									(146)	(119)	(253)
AIT
Net sales
Total Net sales									1,479	1,423
AIT | Operating segments
Net sales
Total Net sales									1,479	1,423	1,311
Operating income:
Total Operating income									355	325	274
EVM
Net sales
Total Net sales									3,006	2,795
EVM | Operating segments
Net sales
Total Net sales									3,006	2,795	2,414
Operating income:
Total Operating income									$ 483	$ 404	$ 301