Supplemental Income Statement Information - Schedule of Restructuring and Other Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 98	$ 29
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	5
Life Sciences Solutions | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	42
Analytical Instruments | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	4
Specialty Diagnostics | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	2
Laboratory Products and Biopharma Services | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 45