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Pension And Postretirement Benefits
 3 Months Ended
Oct. 31, 2021
Retirement Benefits [Abstract]  
Pension And Postretirement Benefits Pension and Postretirement Benefits
Components of net benefit expense (income) were as follows:
Three Months Ended
PensionPostretirement
 October 31, 2021November 1, 2020October 31, 2021November 1, 2020
Service cost$4 $5 $— $— 
Interest cost10 10 1 1 
Expected return on plan assets(30)(31)— — 
Amortization of prior service cost— — — (1)
Actuarial loss (gain)6 (4)— — 
Net periodic benefit expense (income)$(10)$(20)$1 $— 
The actuarial loss of $6 for the three-month period ended October 31, 2021 and the actuarial gain of $4 for the three-month period ended November 1, 2020 related to the remeasurement of a U.S. and a Canadian pension plan. These remeasurements were each due to lump sum distributions that exceeded or are expected to exceed service and interest costs resulting in settlement accounting for the plans. The actuarial loss recognized for the three-month period ended October 31, 2021 was primarily due to less than anticipated investment returns on plan assets, partially offset by an increase in the discount rates. The actuarial gain recognized for the three-month period ended November 1, 2020 was primarily due to an increase in the discount rates.