Revenue (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Disaggregation of Revenue [Line Items]
Revenues		$ 6,917	$ 6,316	$ 13,147	$ 12,441
North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	3,544	3,230	6,831	6,289
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	1,783	1,536	3,432	3,055
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	1,329	1,368	2,447	2,731
Other Regions [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	261	182	437	366
Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues		3,879	3,268	7,258	6,498
Instruments [Member]
Disaggregation of Revenue [Line Items]
Revenues		1,371	1,559	2,622	3,049
Service [Member]
Disaggregation of Revenue [Line Items]
Revenues		$ 1,667	$ 1,489	$ 3,267	$ 2,894

[1] Revenues are attributed to regions based on customer location.