v3.26.1
Financial Instruments - Schedule of Gross Unrealized Losses and Fair Values of Available-for-Sale Securities, Aggregated by Investment Category (Details) - USD ($)
$ in Millions
Apr. 24, 2026
Apr. 25, 2025
Fair Value    
Less than 12 months $ 966 $ 814
More than 12 months 2,353 2,993
Unrealized Losses    
Less than 12 months (7) (9)
More than 12 months (48) (91)
Corporate debt securities    
Fair Value    
Less than 12 months 653 702
More than 12 months 1,110 1,235
Unrealized Losses    
Less than 12 months (3) (7)
More than 12 months (12) (29)
U.S. government and agency securities    
Fair Value    
Less than 12 months 313 110
More than 12 months 434 641
Unrealized Losses    
Less than 12 months (4) (1)
More than 12 months (9) (25)
Mortgage-backed securities    
Fair Value    
Less than 12 months 0 2
More than 12 months 335 614
Unrealized Losses    
Less than 12 months 0 (1)
More than 12 months (18) (28)
Other asset-backed securities    
Fair Value    
Less than 12 months 0 0
More than 12 months 440 469
Unrealized Losses    
Less than 12 months 0 0
More than 12 months (7) (6)
Auction rate securities    
Fair Value    
Less than 12 months 0 0
More than 12 months 34 33
Unrealized Losses    
Less than 12 months 0 0
More than 12 months $ (2) $ (3)