Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 26, 2025	Apr. 27, 2024	Apr. 26, 2025	Apr. 27, 2024	Jul. 27, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 34	$ 542	$ 709	$ 677
FISCAL 2025 PLAN
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure			7.00%
Expected pretax charges	1,000		$ 1,000
Restructuring and other charges	$ 34		$ 709
FISCAL 2024 PLAN
Restructuring Cost and Reserve [Line Items]
Cumulative restructuring charges incurred					$ 654