Segment Information and Major Customers - Summary of Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Segment Reporting Information [Line Items]
Revenue	$ 14,668	$ 13,632
Gross margin	9,557	8,346
Operating segments
Segment Reporting Information [Line Items]
Gross margin	9,841	8,582
Operating segments | Americas
Segment Reporting Information [Line Items]
Revenue	9,022	7,914
Gross margin	5,968	4,984
Operating segments | EMEA
Segment Reporting Information [Line Items]
Revenue	3,664	3,675
Gross margin	2,545	2,325
Operating segments | APJC
Segment Reporting Information [Line Items]
Revenue	1,982	2,043
Gross margin	1,328	1,274
Unallocated corporate items
Segment Reporting Information [Line Items]
Gross margin	$ (284)	$ (236)