Supplemental Income Statement Information - Schedule of Restructuring and Other Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 199	$ 135	$ 346	$ 316
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	1		7
Life Sciences Solutions \| Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	2		25
Analytical Instruments \| Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	1		22
Specialty Diagnostics \| Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	(60)		(57)
Laboratory Products and Biopharma Services \| Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 256		$ 350

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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