Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets with Finite and Indefinite Lives (Details) - USD ($) $ in Millions	Jul. 27, 2024	Jul. 29, 2023
Purchased intangible assets with finite lives:
Gross	$ 14,077	$ 4,266
Accumulated Amortization	(2,884)	(2,618)
Total purchased intangible assets with finite lives, net	11,193	1,648
In-process research and development, with indefinite lives	26	170
Total finite and indefinite lives intangible assets, gross	14,103	4,436
Total finite and indefinite lives intangible assets, net	11,219	1,818
Customer related
Purchased intangible assets with finite lives:
Gross	6,844	1,228
Accumulated Amortization	(829)	(905)
Total purchased intangible assets with finite lives, net	6,015	323
Technology
Purchased intangible assets with finite lives:
Gross	6,680	2,998
Accumulated Amortization	(2,006)	(1,691)
Total purchased intangible assets with finite lives, net	4,674	1,307
Trade name
Purchased intangible assets with finite lives:
Gross	553
Accumulated Amortization	(49)
Total purchased intangible assets with finite lives, net	$ 504
Other
Purchased intangible assets with finite lives:
Gross		40
Accumulated Amortization		(22)
Total purchased intangible assets with finite lives, net		$ 18