Segment and Geographic Information - Income From Operations Before Income Taxes by Reportable Segment and Reconciliation to Consolidated (Details) - USD ($)	3 Months Ended
	Jul. 29, 2022	Jul. 30, 2021
Segment Reporting Information [Line Items]
Segment operating profit	$ 1,125,000,000	$ 859,000,000
Other non-operating income, net	83,000,000	111,000,000
Amortization of intangible assets	(423,000,000)	(436,000,000)
Restructuring and associated costs and RCS/MCS impairment / costs	(85,000,000)
Certain litigation charges, net	0	(26,000,000)
Income before income taxes	1,044,000,000	833,000,000
Renal Care Business (RCS)
Segment Reporting Information [Line Items]
Restructuring and associated costs and RCS/MCS impairment / costs		0
Mechanical Circulatory Support Operating Unit (MCS)
Segment Reporting Information [Line Items]
Restructuring and associated costs and RCS/MCS impairment / costs	0	(726,000,000)
Operating Segments
Segment Reporting Information [Line Items]
Segment operating profit	2,490,000,000	3,170,000,000
Operating Segments | Cardiovascular
Segment Reporting Information [Line Items]
Segment operating profit	956,000,000	1,161,000,000
Operating Segments | Medical Surgical
Segment Reporting Information [Line Items]
Segment operating profit	642,000,000	914,000,000
Operating Segments | Neuroscience
Segment Reporting Information [Line Items]
Segment operating profit	815,000,000	962,000,000
Operating Segments | Diabetes
Segment Reporting Information [Line Items]
Segment operating profit	77,000,000	133,000,000
Segment Reconciling Items
Segment Reporting Information [Line Items]
Interest expense	(164,000,000)	(137,000,000)
Other non-operating income, net	83,000,000	111,000,000
Amortization of intangible assets	(423,000,000)	(436,000,000)
Corporate	(414,000,000)	(449,000,000)
Centralized distribution costs	(311,000,000)	(464,000,000)
Acquisition-related items	(35,000,000)	(19,000,000)
Certain litigation charges, net	0	(26,000,000)
IPR&D charges	0	(90,000,000)
Medical device regulations	(32,000,000)	(21,000,000)
Segment Reconciling Items | Renal Care Business (RCS)
Segment Reporting Information [Line Items]
Restructuring and associated costs and RCS/MCS impairment / costs	(74,000,000)
Segment Reconciling Items | Restructurings Excluding RCS and MCS
Segment Reporting Information [Line Items]
Restructuring and associated costs and RCS/MCS impairment / costs	$ (76,000,000)	$ (81,000,000)