Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 27, 2024	Apr. 29, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 542	$ 87	$ 677	$ 328
FISCAL 2024 PLAN
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure	5.00%
Expected pretax charges	$ 800		800
Restructuring and other charges	542		542
FISCAL 2023 PLAN
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 87	135	$ 330
Cumulative restructuring charges incurred	$ 670		$ 670