v3.26.1
Income Taxes - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Apr. 24, 2026
Apr. 25, 2025
Apr. 26, 2024
Apr. 28, 2023
Operating Loss Carryforwards [Line Items]        
Tax credit carryforward $ 319      
Tax credit carryforward, no expiration 136      
Valuation allowance 12,338 $ 12,668    
Certain tax adjustments, provision (benefit) 260 62 $ 299  
Change in uncertain tax positions, accrued interest 51      
Decrease in deferred tax assets 25      
Intercompany sale of assets     187  
Change in valuation allowance     124  
Tax expense associated with the amortization of the previously established deferred tax assets     50  
Tax expense related to internal restructuring and intercompany sale of assets     33  
Gross unrecognized tax benefits 2,951 2,902 2,824 $ 2,682
Unrecognized tax benefits that would impact effective tax rate 2,700 2,700 2,700  
Gross unrecognized tax benefits, net of cash advance, noncurrent liability 2,000      
Gross interest expense 57 55 134  
Accrued income tax penalties and interest 22 74    
Intercompany Intellectual Property Transactions        
Operating Loss Carryforwards [Line Items]        
Tax expense associated with the amortization of the previously established deferred tax assets 66      
Intercompany Reorganization        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards 5,000      
Diabetes        
Operating Loss Carryforwards [Line Items]        
Separation of Diabetes Business 70      
Intercompany Sale Of Intellectual Property        
Operating Loss Carryforwards [Line Items]        
Intercompany sale of assets 150      
Non-U.S. Tax Authorities        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards 10,700      
Net operating loss carryforwards, no expiration 4,700      
Net operating loss carryforwards, expiring in future years 6,000      
Net operating loss carryforwards, valuation allowance 1,800      
Tax reductions from tax holiday $ 214 $ 294 $ 229  
Impact on diluted earnings per share (in dollars per share) $ 0.17 $ 0.23 $ 0.17  
Non-U.S. Tax Authorities | Subsidiaries        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards $ 3,900