Segment Information and Major Customers - Summary of Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 29, 2023	Apr. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 14,571	$ 12,835	$ 41,795	$ 38,455
Gross margin	9,232	8,121	26,005	24,223
Operating segments
Segment Reporting Information [Line Items]
Gross margin	9,495	8,386	26,764	25,035
Operating segments | Americas
Segment Reporting Information [Line Items]
Revenue	8,634	7,638	24,372	22,344
Gross margin	5,545	4,952	15,449	14,438
Operating segments | EMEA
Segment Reporting Information [Line Items]
Revenue	3,806	3,271	11,209	10,138
Gross margin	2,536	2,154	7,330	6,664
Operating segments | APJC
Segment Reporting Information [Line Items]
Revenue	2,131	1,926	6,214	5,972
Gross margin	1,415	1,279	3,986	3,934
Unallocated corporate items
Segment Reporting Information [Line Items]
Gross margin	$ (263)	$ (265)	$ (759)	$ (812)