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Pension And Postretirement Benefits (Tables)
 9 Months Ended
Apr. 27, 2025
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
Components of net periodic benefit expense (income) were as follows:
Three Months EndedNine Months Ended
PensionPostretirementPensionPostretirement
(Millions)April 27, 2025April 28, 2024April 27, 2025April 28, 2024April 27, 2025April 28, 2024April 27, 2025April 28, 2024
Service cost$4 $4 $— $— $10 $10 $— $— 
Interest cost15 16 2 2 46 49 5 6 
Expected return on plan assets(20)(20)— — (60)(60)— — 
Amortization of prior service credit— — (1)— — — (1)— 
Actuarial losses (gains)— — — — — — 2 — 
Net periodic benefit expense (income)$(1)$— $1 $2 $(4)$(1)$6 $6