Revenues - Disaggregation of Revenue By Product Category And Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Disaggregation of Revenue [Line Items]
Total Net sales	$ 1,132	$ 1,130	$ 3,140	$ 3,293
Tangible Products
Disaggregation of Revenue [Line Items]
Total Net sales	972	981	2,684	2,868
Services and Software
Disaggregation of Revenue [Line Items]
Total Net sales	160	149	456	425
AIT
Disaggregation of Revenue [Line Items]
Total Net sales	346	373	992	1,100
AIT | Tangible Products
Disaggregation of Revenue [Line Items]
Total Net sales	314	337	898	1,001
AIT | Services and Software
Disaggregation of Revenue [Line Items]
Total Net sales	32	36	94	99
EVM
Disaggregation of Revenue [Line Items]
Total Net sales	788	757	2,150	2,193
EVM | Tangible Products
Disaggregation of Revenue [Line Items]
Total Net sales	658	644	1,786	1,867
EVM | Services and Software
Disaggregation of Revenue [Line Items]
Total Net sales	130	113	364	326
Corporate eliminations
Disaggregation of Revenue [Line Items]
Total Net sales	(2)	0	(2)	0
Corporate eliminations | Tangible Products
Disaggregation of Revenue [Line Items]
Total Net sales	0	0	0	0
Corporate eliminations | Services and Software
Disaggregation of Revenue [Line Items]
Total Net sales	$ (2)	$ 0	$ (2)	$ 0