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Supplier Finance Program (Narrative) (Details) - USD ($)
$ in Millions
Apr. 27, 2025
Jul. 28, 2024
Supplier Finance Program [Line Items]    
Supplier Finance Program, Obligation $ 254 $ 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