Revenue - Disaggregation of Net Sales by Segment and Division (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 28, 2022	Oct. 29, 2021	Oct. 28, 2022	Oct. 29, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 7,585	$ 7,847	$ 14,955	$ 15,835
Cardiovascular
Disaggregation of Revenue [Line Items]
Net sales	2,773	2,827	5,486	5,717
Cardiovascular | Cardiac Rhythm & Heart Failure
Disaggregation of Revenue [Line Items]
Net sales	1,431	1,471	2,824	2,954
Cardiovascular | Structural Heart & Aortic
Disaggregation of Revenue [Line Items]
Net sales	757	750	1,499	1,537
Cardiovascular | Coronary & Peripheral Vascular
Disaggregation of Revenue [Line Items]
Net sales	584	606	1,163	1,226
Medical Surgical
Disaggregation of Revenue [Line Items]
Net sales	2,070	2,299	4,071	4,621
Medical Surgical | Surgical Innovations
Disaggregation of Revenue [Line Items]
Net sales	1,398	1,497	2,736	3,051
Medical Surgical | Respiratory, Gastrointestinal, & Renal
Disaggregation of Revenue [Line Items]
Net sales	671	802	1,335	1,570
Neuroscience
Disaggregation of Revenue [Line Items]
Net sales	2,186	2,136	4,301	4,340
Neuroscience | Cranial & Spinal Technologies
Disaggregation of Revenue [Line Items]
Net sales	1,081	1,067	2,124	2,189
Neuroscience | Specialty Therapies
Disaggregation of Revenue [Line Items]
Net sales	686	634	1,353	1,275
Neuroscience | Neuromodulation
Disaggregation of Revenue [Line Items]
Net sales	419	435	824	875
Diabetes
Disaggregation of Revenue [Line Items]
Net sales	$ 556	$ 585	$ 1,098	$ 1,157