Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Apr. 25, 2026	Apr. 26, 2025	Apr. 25, 2026	Apr. 26, 2025
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of purchased intangible assets	$ 228	$ 244	$ 690	$ 774
Total
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of purchased intangible assets	457	513	1,394	1,708
Cost of sales
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of purchased intangible assets	229	269	704	934
Operating expenses
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of purchased intangible assets	$ 228	$ 244	$ 690	$ 774

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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+ Details