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Stock Purchase and Award Plans - Stock-based Compensation Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 28, 2023
Apr. 29, 2022
Apr. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense $ 355 $ 359 $ 344
Income tax benefits (60) (62) (59)
Total stock-based compensation expense, net of tax 295 297 285
Cost of products sold      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 36 36 35
Research and development expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 39 40 38
Selling, general, and administrative expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 280 283 272
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 77 70 72
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 166 184 185
Performance share units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense 74 66 49
Employee stock purchase plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation expense $ 38 $ 39 $ 38