Revenue (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 28, 2020	Mar. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues		$ 6,230	$ 6,125
North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	3,287	3,059
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	1,649	1,519
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	1,118	1,363
Other Regions [Member]
Disaggregation of Revenue [Line Items]
Revenues	[1]	176	184
Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues		3,379	3,230
Instruments [Member]
Disaggregation of Revenue [Line Items]
Revenues		1,251	1,490
Service [Member]
Disaggregation of Revenue [Line Items]
Revenues		$ 1,600	$ 1,405

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