v3.26.1
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 9 Months Ended
Apr. 25, 2026
Apr. 26, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance $ 46,843 $ 45,457
Other comprehensive income (loss) before reclassifications 208 309
(Gains) losses reclassified out of AOCI (26) 36
Tax benefit (expense) (21) (48)
Ending balance 48,861 45,935
Accumulated Other Comprehensive Income (Loss)    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (954) (1,430)
Ending balance (793) (1,133)
Net Unrealized Gains (Losses) on Available-for-Sale Investments    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (57) (241)
Other comprehensive income (loss) before reclassifications 40 126
(Gains) losses reclassified out of AOCI 8 75
Tax benefit (expense) (6) (58)
Ending balance (15) (98)
Net Unrealized Gains (Losses) Cash Flow Hedging Instruments    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 65 79
Other comprehensive income (loss) before reclassifications 85 (5)
(Gains) losses reclassified out of AOCI (35) (39)
Tax benefit (expense) (12) 10
Ending balance 103 45
Cumulative Translation Adjustment and Actuarial Gains (Losses)    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (962) (1,268)
Other comprehensive income (loss) before reclassifications 83 188
(Gains) losses reclassified out of AOCI 1 0
Tax benefit (expense) (3) 0
Ending balance $ (881) $ (1,080)