Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	6 Months Ended
	Jan. 24, 2026 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 59,136
Acquisitions	35
Foreign Currency Translation and Other	63
Ending Balance	59,234
Americas
Goodwill [Roll Forward]
Beginning Balance	36,468
Acquisitions	21
Foreign Currency Translation and Other	39
Ending Balance	36,528
EMEA
Goodwill [Roll Forward]
Beginning Balance	14,397
Acquisitions	9
Foreign Currency Translation and Other	15
Ending Balance	14,421
APJC
Goodwill [Roll Forward]
Beginning Balance	8,271
Acquisitions	5
Foreign Currency Translation and Other	9
Ending Balance	$ 8,285