Derivative Instruments - Effect of Derivative Instruments Not Designated as Hedges on Consolidated Statement of Operations (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions	12 Months Ended
	Jul. 27, 2024	Jul. 29, 2023	Jul. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
GAINS (LOSSES) FOR  THE YEARS ENDED	$ (69)	$ 72	$ (320)
Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
GAINS (LOSSES) FOR  THE YEARS ENDED	$ (162)	$ 1	$ (237)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (loss), net	Other income (loss), net	Other income (loss), net
Total return swaps—deferred compensation
Derivative Instruments, Gain (Loss) [Line Items]
GAINS (LOSSES) FOR  THE YEARS ENDED	$ 91	$ 58	$ (92)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Expenses	Operating Expenses	Operating Expenses
Equity derivatives
Derivative Instruments, Gain (Loss) [Line Items]
GAINS (LOSSES) FOR  THE YEARS ENDED	$ 2	$ 13	$ 9
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (loss), net	Other income (loss), net	Other income (loss), net