Restructuring and Other Costs (Income), Net (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Jul. 31, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Total Workforce Eliminated less than				1.00%
Cost of Revenues		$ 2		$ 4
Selling, General and Administrative Expenses		42		48
Restructuring and other costs (income), net		12	$ (484)	50	$ (473)
Total Restructuring and Other Costs (Income), Net		56		102
Restructuring and Related Costs, Cash Costs	[1]			38
Restructuring and Related Costs, Other Costs (Income), Net				13
Loss (Gain) on Divestiture of Businesses				0	$ (505)
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Costs, Cash Costs				29
Abandonment of Excess Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Costs, Cash Costs				4
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	[2]			5
Life Sciences Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs (income), net				1
Total Restructuring and Other Costs (Income), Net				1
Analytical Instruments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs (income), net		5		19
Total Restructuring and Other Costs (Income), Net		5		19
Specialty Diagnostics [Member]
Restructuring Cost and Reserve [Line Items]
Selling, General and Administrative Expenses		42		46
Restructuring and other costs (income), net		4		6
Total Restructuring and Other Costs (Income), Net		46		52
Laboratory Products and Services [Member]
Restructuring Cost and Reserve [Line Items]
Cost of Revenues		2		4
Selling, General and Administrative Expenses				2
Restructuring and other costs (income), net		1		19
Total Restructuring and Other Costs (Income), Net		3		25
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs (income), net		2		5
Total Restructuring and Other Costs (Income), Net		$ 2		$ 5
Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Identified Future Restructuring Costs						$ 60

[1] Excludes $13 million of charges for fixed asset writedowns and costs associated with environmental remediation at abandoned / previously owned facilities.

[2] Other includes relocation and moving expenses associated with facility consolidations, as well as employee retention costs which are accrued ratably over the period through which employees must work to qualify for a payment.