Revenue (Disaggregation of Revenue by Geographical Region) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 7,663	$ 7,229	$ 23,102	$ 21,305
Recurring revenue
Disaggregation of Revenue [Line Items]
Revenue	5,825	5,419	17,615	15,818
Nonrecurring revenue
Disaggregation of Revenue [Line Items]
Revenue	1,838	1,810	5,487	5,487
North America
Disaggregation of Revenue [Line Items]
Revenue	3,480	2,886	10,216	8,429
Western Europe
Disaggregation of Revenue [Line Items]
Revenue	1,541	1,669	5,060	5,103
Other developed markets
Disaggregation of Revenue [Line Items]
Revenue	339	356	1,063	1,078
High-growth markets
Disaggregation of Revenue [Line Items]
Revenue	2,303	2,318	6,763	6,695
Environmental & Applied Solutions
Disaggregation of Revenue [Line Items]
Revenue					$ 4,700
Operating segments | Life Sciences
Disaggregation of Revenue [Line Items]
Revenue	3,776	3,632	11,625	10,912
Operating segments | Life Sciences | Recurring revenue
Disaggregation of Revenue [Line Items]
Revenue	2,700	2,591	8,410	7,760
Operating segments | Life Sciences | Nonrecurring revenue
Disaggregation of Revenue [Line Items]
Revenue	1,076	1,041	3,215	3,152
Operating segments | Life Sciences | North America
Disaggregation of Revenue [Line Items]
Revenue	1,508	1,291	4,604	3,903
Operating segments | Life Sciences | Western Europe
Disaggregation of Revenue [Line Items]
Revenue	913	989	2,920	3,011
Operating segments | Life Sciences | Other developed markets
Disaggregation of Revenue [Line Items]
Revenue	189	202	610	636
Operating segments | Life Sciences | High-growth markets
Disaggregation of Revenue [Line Items]
Revenue	1,166	1,150	3,491	3,362
Operating segments | Diagnostics
Disaggregation of Revenue [Line Items]
Revenue	2,679	2,449	7,884	6,963
Operating segments | Diagnostics | Recurring revenue
Disaggregation of Revenue [Line Items]
Revenue	2,396	2,150	7,067	6,074
Operating segments | Diagnostics | Nonrecurring revenue
Disaggregation of Revenue [Line Items]
Revenue	283	299	817	889
Operating segments | Diagnostics | North America
Disaggregation of Revenue [Line Items]
Revenue	1,397	1,083	3,938	3,025
Operating segments | Diagnostics | Western Europe
Disaggregation of Revenue [Line Items]
Revenue	388	424	1,365	1,282
Operating segments | Diagnostics | Other developed markets
Disaggregation of Revenue [Line Items]
Revenue	122	126	361	355
Operating segments | Diagnostics | High-growth markets
Disaggregation of Revenue [Line Items]
Revenue	772	816	2,220	2,301
Operating segments | Environmental & Applied Solutions
Disaggregation of Revenue [Line Items]
Revenue	1,208	1,148	3,593	3,430
Operating segments | Environmental & Applied Solutions | Recurring revenue
Disaggregation of Revenue [Line Items]
Revenue	729	678	2,138	1,984
Operating segments | Environmental & Applied Solutions | Nonrecurring revenue
Disaggregation of Revenue [Line Items]
Revenue	479	470	1,455	1,446
Operating segments | Environmental & Applied Solutions | North America
Disaggregation of Revenue [Line Items]
Revenue	575	512	1,674	1,501
Operating segments | Environmental & Applied Solutions | Western Europe
Disaggregation of Revenue [Line Items]
Revenue	240	256	775	810
Operating segments | Environmental & Applied Solutions | Other developed markets
Disaggregation of Revenue [Line Items]
Revenue	28	28	92	87
Operating segments | Environmental & Applied Solutions | High-growth markets
Disaggregation of Revenue [Line Items]
Revenue	$ 365	$ 352	$ 1,052	$ 1,032