v3.26.1
Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 25, 2026
Jul. 26, 2025
Jul. 27, 2024
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Amortization of purchased intangible assets $ 916 $ 1,028 $ 698
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Amortization of purchased intangible assets 947 1,174 955
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingExpenses      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Amortization of purchased intangible assets 916 1,028 698
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingIncomeLoss      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Amortization of purchased intangible assets $ 1,863 $ 2,202 $ 1,653