Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 20, 2024	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 12	$ 243	$ 135	$ 241
Fiscal 2024 Plan | Subsequent event
Restructuring Cost and Reserve [Line Items]
Percentage of global workforce impacted by restructure	5.00%
Expected pretax charges	$ 800
FISCAL 2023 PLAN
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		12	$ 243	135	$ 243
Cumulative restructuring charges incurred		$ 670		$ 670