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Pension And Postretirement Benefits (Tables)
 9 Months Ended
Apr. 28, 2024
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 28, 2024April 30, 2023April 28, 2024April 30, 2023April 28, 2024April 30, 2023April 28, 2024April 30, 2023
Service cost$4 $3 $— $— $10 $10 $— $— 
Interest cost16 19 2 2 49 55 6 5 
Expected return on plan assets(20)(24)— — (60)(76)— — 
Actuarial losses (gains)— 17 — — — 26 — — 
Net periodic benefit expense (income)$— $15 $2 $2 $(1)$15 $6 $5