Derivative Instruments - Schedule of Notional Amounts of Derivatives Outstanding (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jul. 30, 2022
Derivative [Line Items]
Derivatives	$ 6,775	$ 6,672
Foreign currency derivatives
Derivative [Line Items]
Derivatives	4,555	4,521
Interest rate derivatives
Derivative [Line Items]
Derivatives	1,500	1,500
Total return swaps—deferred compensation
Derivative [Line Items]
Derivatives	$ 720	$ 651