Restructuring and Other Costs (Income), Net (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019	Oct. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Total Workforce Eliminated less than				1.00%
Cost of Revenues		$ 1		$ 5
Selling, General and Administrative Expenses		(55)		(7)
Restructuring and other costs (income), net		17	$ 31	67	$ (442)
Total Restructuring and Other Costs (Income), Net		(37)		65
Restructuring and Related Costs, Cash Costs	[1],[2]			43
Restructuring and Related Costs, Other Costs (Income), Net				24
Loss (Gain) on Divestiture of Businesses				0	$ (486)
Life Sciences Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Selling, General and Administrative Expenses		(8)		(8)
Restructuring and other costs (income), net		10		11
Total Restructuring and Other Costs (Income), Net		2		3
Analytical Instruments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs (income), net		3		22
Total Restructuring and Other Costs (Income), Net		3		22
Specialty Diagnostics [Member]
Restructuring Cost and Reserve [Line Items]
Selling, General and Administrative Expenses		(50)		(4)
Restructuring and other costs (income), net		2		8
Total Restructuring and Other Costs (Income), Net		(48)		4
Laboratory Products and Services [Member]
Restructuring Cost and Reserve [Line Items]
Cost of Revenues		1		5
Selling, General and Administrative Expenses				2
Restructuring and other costs (income), net		1		20
Total Restructuring and Other Costs (Income), Net		2		27
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Selling, General and Administrative Expenses		3		3
Restructuring and other costs (income), net		1		6
Total Restructuring and Other Costs (Income), Net		$ 4		$ 9
Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Identified Future Restructuring Costs						$ 45

[1] Excludes $24 million of charges for impairment of acquired technology in development, fixed asset writedowns and costs associated with environmental remediation at abandoned / previously owned facilities.

[2] The movements in the restructuring liability principally consist of severance and other costs such as 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.