Revenue - Revenue by Sales Category (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net Sales	$ 43,653	$ 43,075	$ 34,608
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	43,642	43,023	34,542
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net Sales	11	52	66
United States
Segment Reporting Information [Line Items]
Net Sales	18,142	16,642	13,022
United States | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net Sales	11	34	38
International
Segment Reporting Information [Line Items]
Net Sales	25,511	26,433	21,586
International | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net Sales	0	18	28
Established Pharmaceutical Products | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	4,912	4,718	4,303
Established Pharmaceutical Products | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	0	0	0
Established Pharmaceutical Products | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	4,912	4,718	4,303
Nutritionals | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	7,459	8,294	7,647
Nutritionals | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	2,919	3,556	3,279
Nutritionals | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	4,540	4,738	4,368
Diagnostics | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	16,584	15,644	10,805
Diagnostics | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	8,646	7,129	4,774
Diagnostics | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	7,938	8,515	6,031
Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	14,687	14,367	11,787
Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	6,566	5,923	4,931
Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	8,121	8,444	6,856
Key Emerging Markets | Established Pharmaceutical Products | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,728	3,539	3,209
Key Emerging Markets | Established Pharmaceutical Products | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	0	0	0
Key Emerging Markets | Established Pharmaceutical Products | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,728	3,539	3,209
Other | Established Pharmaceutical Products | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,184	1,179	1,094
Other | Established Pharmaceutical Products | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	0	0	0
Other | Established Pharmaceutical Products | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,184	1,179	1,094
Pediatric Nutritionals | Nutritionals | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,481	4,298	4,127
Pediatric Nutritionals | Nutritionals | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,562	2,192	1,987
Pediatric Nutritionals | Nutritionals | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,919	2,106	2,140
Adult Nutritionals | Nutritionals | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,978	3,996	3,520
Adult Nutritionals | Nutritionals | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,357	1,364	1,292
Adult Nutritionals | Nutritionals | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	2,621	2,632	2,228
Core Laboratory | Diagnostics | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	4,888	5,128	4,475
Core Laboratory | Diagnostics | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,137	1,145	1,166
Core Laboratory | Diagnostics | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,751	3,983	3,309
Molecular | Diagnostics | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	995	1,427	1,438
Molecular | Diagnostics | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	370	566	621
Molecular | Diagnostics | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	625	861	817
Point of Care | Diagnostics | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	525	536	516
Point of Care | Diagnostics | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	372	384	369
Point of Care | Diagnostics | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	153	152	147
Rapid Diagnostics | Diagnostics | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	10,176	8,553	4,376
Rapid Diagnostics | Diagnostics | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	6,767	5,034	2,618
Rapid Diagnostics | Diagnostics | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	3,409	3,519	1,758
Rhythm Management | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	2,119	2,198	1,914
Rhythm Management | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,029	1,018	903
Rhythm Management | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,090	1,180	1,011
Electrophysiology | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,927	1,907	1,578
Electrophysiology | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	909	778	660
Electrophysiology | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,018	1,129	918
Heart Failure | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	920	889	740
Heart Failure | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	694	654	547
Heart Failure | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	226	235	193
Vascular | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	2,483	2,654	2,339
Vascular | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	864	915	853
Vascular | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,619	1,739	1,486
Structural Heart | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,712	1,610	1,247
Structural Heart | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	818	730	540
Structural Heart | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	894	880	707
Neuromodulation | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	770	781	702
Neuromodulation | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	619	616	564
Neuromodulation | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	151	165	138
Diabetes Care | Medical Devices | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	4,756	4,328	3,267
Diabetes Care | Medical Devices | United States | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,633	1,212	864
Diabetes Care | Medical Devices | International | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	$ 3,123	$ 3,116	$ 2,403