Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets With Finite and Indefinite Lives (Details) - USD ($) $ in Millions	Jan. 27, 2024	Jul. 29, 2023
Purchased intangible assets with finite lives:
Gross	$ 4,025	$ 4,266
Accumulated Amortization	(2,527)	(2,618)
Total purchased intangible assets with finite lives, net	1,498	1,648
In-process research and development, with indefinite lives	180	170
Total finite and indefinite lives intangible assets, gross	4,205	4,436
Total finite and indefinite lives intangible assets, net	1,678	1,818
Technology
Purchased intangible assets with finite lives:
Gross	3,020	2,998
Accumulated Amortization	(1,791)	(1,691)
Total purchased intangible assets with finite lives, net	1,229	1,307
Customer relationships
Purchased intangible assets with finite lives:
Gross	963	1,228
Accumulated Amortization	(709)	(905)
Total purchased intangible assets with finite lives, net	254	323
Other
Purchased intangible assets with finite lives:
Gross	42	40
Accumulated Amortization	(27)	(22)
Total purchased intangible assets with finite lives, net	$ 15	$ 18