v3.25.2
Retirement Benefit Plans - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Apr. 25, 2025
Apr. 26, 2024
Apr. 28, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Cost of retirement benefit plans $ 466 $ 451 $ 494
Net underfunded status of the plans (440) (484)  
Incremental expense related to acceptance of voluntary early retirement packages     94
Expense under defined contribution plans 478 471 390
Pension benefits | U.S. Pension Benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Net underfunded status of the plans $ (341) (357)  
Target allocations 100.00%    
Post-retirement benefit plans, fair value of plan assets $ 3,610 3,551 3,398
Employer contributions 31 32  
Estimated future employer contributions in next fiscal year 29    
Post-retirement benefit plans, net periodic benefit cost, income 24 22 (89)
Post-retirement benefit plans, benefit obligations 3,269 3,194 3,451
Pension benefits | U.S. Pension Benefits | Level 3      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Post-retirement benefit plans, fair value of plan assets $ 0 0  
Pension benefits | U.S. Pension Benefits | Equity      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 34.00%    
Pension benefits | U.S. Pension Benefits | Debt      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 51.00%    
Pension benefits | U.S. Pension Benefits | Other      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 15.00%    
Pension benefits | Non-U.S.      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Net underfunded status of the plans $ (27) (54)  
Post-retirement benefit plans, fair value of plan assets 1,823 1,659 1,614
Employer contributions 45 40  
Estimated future employer contributions in next fiscal year 55    
Post-retirement benefit plans, net periodic benefit cost, income (28) (18) (26)
Post-retirement benefit plans, benefit obligations 1,797 1,604 1,499
Pension benefits | Non-U.S. | Level 3      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Post-retirement benefit plans, fair value of plan assets $ 48 42  
Pension benefits | Non-U.S. | Equity      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 42.00%    
Pension benefits | Non-U.S. | Debt      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 35.00%    
Pension benefits | Non-U.S. | Other      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Target allocations 23.00%    
Other post-retirement benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Post-retirement benefit plans, fair value of plan assets $ 303 308  
Post-retirement benefit plans, net periodic benefit cost, income 16 16 $ 11
Post-retirement benefit plans, benefit obligations $ 231 $ 235