Revenues - Disaggregation of Revenue By Product Category And Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Total Net sales	$ 1,092	$ 935	$ 3,081	$ 2,696
Tangible products
Disaggregation of Revenue [Line Items]
Total Net sales	959	810	2,687	2,324
Services and software
Disaggregation of Revenue [Line Items]
Total Net sales	133	$ 125	394	$ 372
AIT
Disaggregation of Revenue [Line Items]
Total Net sales	353		1,056
AIT | Tangible products
Disaggregation of Revenue [Line Items]
Total Net sales	325		960
AIT | Services and software
Disaggregation of Revenue [Line Items]
Total Net sales	28		96
EVM
Disaggregation of Revenue [Line Items]
Total Net sales	739		2,025
EVM | Tangible products
Disaggregation of Revenue [Line Items]
Total Net sales	634		1,727
EVM | Services and software
Disaggregation of Revenue [Line Items]
Total Net sales	$ 105		$ 298