Supplier Finance Program (Narrative) (Details) - USD ($) $ in Millions	Jan. 26, 2025	Jul. 28, 2024
Supplier Finance Program [Line Items]
Supplier Finance Program, Obligation	$ 269	$ 243
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]	Accounts payable	Accounts payable
Minimum [Member]
Supplier Finance Program [Line Items]
Supplier Payment Timing	0 days
Maximum [Member]
Supplier Finance Program [Line Items]
Supplier Payment Timing	120 days