Segment Information (Segment Results) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 01, 2022	Apr. 02, 2021
Segment Reporting Information [Line Items]
Sales	$ 7,688	$ 6,858
Operating profit	2,172	1,997
Other
Segment Reporting Information [Line Items]
Operating profit	(68)	(65)
Life Sciences \| Operating segments
Segment Reporting Information [Line Items]
Sales	3,882	3,546
Operating profit	1,118	1,151
Diagnostics \| Operating segments
Segment Reporting Information [Line Items]
Sales	2,644	2,178
Operating profit	886	626
Environmental & Applied Solutions \| Operating segments
Segment Reporting Information [Line Items]
Sales	1,162	1,134
Operating profit	$ 236	$ 285

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details