Supplemental Income Statement Information - Schedule of Restructuring and Other Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 82	$ 77	$ 180	$ 106
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	2		7
Life Sciences Solutions | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	11		54
Analytical Instruments | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	10		14
Specialty Diagnostics | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	3		5
Laboratory Products and Biopharma Services | Total Reportable Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs	$ 56		$ 100