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Pension And Postretirement Benefits
 6 Months Ended
Jan. 26, 2025
Retirement Benefits [Abstract]  
Pension And Postretirement Benefits Pension and Postretirement Benefits
Components of net periodic benefit expense (income) were as follows:
Three Months EndedSix Months Ended
PensionPostretirementPensionPostretirement
(Millions)January 26, 2025January 28, 2024January 26, 2025January 28, 2024January 26, 2025January 28, 2024January 26, 2025January 28, 2024
Service cost$3 $3 $— $— $6 $6 $— $— 
Interest cost16 17 1 2 31 33 3 4 
Expected return on plan assets(20)(20)— — (40)(40)— — 
Actuarial losses (gains)— — — — — — 2 — 
Net periodic benefit expense (income)$(1)$— $1 $2 $(3)$(1)$5 $4 
The actuarial loss for the six-month period ended January 26, 2025 related to the remeasurement of our postretirement plan due to a plan amendment. The actuarial loss was primarily due to a decrease in the discount rate used to determine the benefit obligation.