Segment Information & Geographic Data - Financial Information by Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Segment Reporting Information [Line Items]
Total Net sales	$ 1,377	$ 956	$ 2,724	$ 2,008
Total Operating income	247	119	519	270
Operating segments
Segment Reporting Information [Line Items]
Total Net sales	1,380	956	2,730	2,008
Total Operating income	280	141	582	318
Operating segments | AIT
Segment Reporting Information [Line Items]
Total Net sales	421	273	857	628
Total Operating income	97	52	206	134
Operating segments | EVM
Segment Reporting Information [Line Items]
Total Net sales	959	683	1,873	1,380
Total Operating income	183	89	376	184
Corporate, eliminations
Segment Reporting Information [Line Items]
Total Net sales	(3)	0	(6)	0
Total Operating income	$ (33)	$ (22)	$ (63)	$ (48)