Supplemental Financial Statement Data (Other Noncurrent Liabilities) (Details) - USD ($) $ in Millions	Jul. 28, 2024	Jul. 30, 2023
Other Liabilities, Noncurrent [Abstract]
Liability, Defined Benefit Pension Plan, Noncurrent	$ 93	$ 95
Liability, Postretirement Benefits, Noncurrent	128	135
Operating Lease, Liability, Noncurrent	268	208
Deferred Compensation Liability, Noncurrent	92	80
Liability, UnrecognizedTax Positions, Noncurrent	17	11
Restructuring Reserve, Noncurrent	12	7
Other Liabilities, Noncurrent	66	72
Other liabilities	$ 676	$ 608
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities