Goodwill and Other Intangible Assets (Goodwill by Segment) (Details) - USD ($) $ in Millions	Jul. 01, 2022	Dec. 31, 2021
Goodwill [Line Items]
Total goodwill	$ 39,276	$ 41,184
Operating segments | Life Sciences
Goodwill [Line Items]
Total goodwill	30,003	31,638
Operating segments | Diagnostics
Goodwill [Line Items]
Total goodwill	6,843	7,044
Operating segments | Environmental & Applied Solutions
Goodwill [Line Items]
Total goodwill	$ 2,430	$ 2,502