Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 26, 2024	Oct. 28, 2023	Jul. 27, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 665	$ 123
FISCAL 2025 PLAN
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure	7.00%
Expected pretax charges	$ 1,000
Restructuring and other charges	$ 665
FISCAL 2024 PLAN
Restructuring Cost and Reserve [Line Items]
Cumulative restructuring charges incurred			$ 654