Segment Information & Geographic Data - Financial Information by Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Segment Reporting Information [Line Items]
Total Net sales	$ 1,436	$ 1,132	$ 4,160	$ 3,140
Total Operating income	237	150	756	420
Operating segments
Segment Reporting Information [Line Items]
Total Net sales	1,436	1,134	4,166	3,142
Total Operating income	272	199	854	517
Operating segments | AIT
Segment Reporting Information [Line Items]
Total Net sales	386	339	1,243	967
Total Operating income	77	78	283	212
Operating segments | EVM
Segment Reporting Information [Line Items]
Total Net sales	1,050	795	2,923	2,175
Total Operating income	195	121	571	305
Corporate, eliminations
Segment Reporting Information [Line Items]
Total Net sales	0	(2)	(6)	(2)
Total Operating income	$ (35)	$ (49)	$ (98)	$ (97)