Segment Information (Sales And Other Financial Information By Business Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 4,996	$ 4,493	$ 9,774	$ 8,768
Segment operating income	965	772	1,700	1,219
Amortization of intangible assets	(161)	(160)	(322)	(310)
Recall-related matters	(3)	(4)	(3)	(18)
MedSurg and Neurotechnology
Segment Reporting Information [Line Items]
Net sales	2,860	2,549	5,550	4,972
Orthopaedics and Spine
Segment Reporting Information [Line Items]
Net sales	2,136	1,944	4,224	3,796
Operating Segments
Segment Reporting Information [Line Items]
Segment operating income	1,381	1,208	2,609	2,341
Operating Segments | MedSurg and Neurotechnology
Segment Reporting Information [Line Items]
Net sales	2,860	2,549	5,550	4,972
Segment operating income	780	629	1,407	1,259
Operating Segments | Orthopaedics and Spine
Segment Reporting Information [Line Items]
Net sales	2,136	1,944	4,224	3,796
Segment operating income	601	579	1,202	1,082
Corporate and other
Segment Reporting Information [Line Items]
Segment operating income	(165)	(145)	(387)	(344)
Segment Reconciling Items
Segment Reporting Information [Line Items]
Acquisition and integration-related costs	(2)	(37)	(8)	(186)
Amortization of intangible assets	(161)	(160)	(322)	(310)
Structural optimization and other special charges	(72)	(62)	(114)	(171)
Medical device regulations	(27)	(32)	(55)	(60)
Recall-related matters	(3)	(4)	(3)	(18)
Regulatory and legal matters	$ 14	$ 4	$ (20)	$ (33)