Segment Information (Segment Results) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Sales	$ 7,157	$ 7,751	$ 14,324	$ 15,439
Operating profit	1,429	2,205	3,223	4,377
Other
Segment Reporting Information [Line Items]
Operating profit	(117)	(76)	(216)	(144)
Biotechnology | Operating segments
Segment Reporting Information [Line Items]
Sales	1,885	2,266	3,749	4,482
Operating profit	480	824	1,076	1,624
Life Sciences | Operating segments
Segment Reporting Information [Line Items]
Sales	1,796	1,701	3,505	3,367
Operating profit	340	350	661	668
Diagnostics | Operating segments
Segment Reporting Information [Line Items]
Sales	2,231	2,561	4,607	5,205
Operating profit	424	800	1,101	1,686
Environmental & Applied Solutions
Segment Reporting Information [Line Items]
Sales					$ 4,800
Environmental & Applied Solutions | Operating segments
Segment Reporting Information [Line Items]
Sales	1,245	1,223	2,463	2,385
Operating profit	$ 302	$ 307	$ 601	$ 543