Derivative Financial Instruments - Notional Value of Our Foreign Currency Forward Contracts Outstanding (Details) - Foreign currency forward contract - USD ($) $ in Millions	Jan. 25, 2026	Jan. 26, 2025
Designated as accounting hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional values of derivative contracts	$ 1,765	$ 1,424
Not designated as accounting hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional values of derivative contracts	$ 2,332	$ 1,297