Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Apr. 27, 2024	Jul. 27, 2024	Jul. 29, 2023	Jul. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 789	$ 531	$ 6
Fiscal 2025 Plan
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure		7.00%
Restructuring and other charges		$ 1,000
Fiscal 2023 Plan
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure	5.00%
Restructuring and other charges		654
Cumulative restructuring charges incurred		$ 670