v3.26.1
Revenue - Schedule of Disaggregation of Net Sales by Market Geography (Details) - USD ($)
$ in Millions
 3 Months Ended
Jul. 31, 2026
Jul. 25, 2025
Disaggregation of Revenue [Line Items]    
Total net sales $ 9,756 $ 8,578
Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 8,884 7,785
Other Adjustments    
Disaggregation of Revenue [Line Items]    
Total net sales 0 39
U.S.    
Disaggregation of Revenue [Line Items]    
Total net sales 4,906 4,224
U.S. | Other Adjustments    
Disaggregation of Revenue [Line Items]    
Total net sales 0 0
International    
Disaggregation of Revenue [Line Items]    
Total net sales 4,850 4,354
International | Other Adjustments    
Disaggregation of Revenue [Line Items]    
Total net sales 0 39
Reportable segment net sales | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 8,884 7,785
Reportable segment net sales | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 4,649 3,988
Reportable segment net sales | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 4,236 3,797
Cardiovascular | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 3,927 3,285
Cardiovascular | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 1,853 1,479
Cardiovascular | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 2,074 1,806
Neuroscience | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 2,678 2,427
Neuroscience | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 1,813 1,624
Neuroscience | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 864 803
Diabetes | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 843 721
Diabetes | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 240 217
Diabetes | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 603 504
Medical Surgical | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 2,279 2,073
Medical Surgical | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 982 884
Medical Surgical | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 1,297 1,188
Other Operating Segments | U.S. | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales 17 20
Other Operating Segments | International | Operating Segments    
Disaggregation of Revenue [Line Items]    
Total net sales $ 12 $ 14