Supplier Finance Program (Narrative) (Details) - USD ($) $ in Millions	Jul. 28, 2024	Jul. 30, 2023
Supplier Finance Program [Line Items]
Supplier Finance Program, Obligation	$ 243	$ 258
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]	Accounts payable	Accounts payable
Maximum [Member]
Supplier Finance Program [Line Items]
Supplier Payment Timing	120 days
Minimum [Member]
Supplier Finance Program [Line Items]
Supplier Payment Timing	0 days