Derivative Instruments - Schedule of Notional Amounts of Derivatives Outstanding (Details) - USD ($) $ in Millions	Jul. 26, 2025	Jul. 27, 2024
Derivative [Line Items]
Derivative notional amount	$ 10,065	$ 8,919
Foreign currency derivatives
Derivative [Line Items]
Derivative notional amount	8,978	7,434
Interest rate derivatives
Derivative [Line Items]
Derivative notional amount	0	500
Total return swaps—deferred compensation
Derivative [Line Items]
Derivative notional amount	$ 1,087	$ 985