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Pension and Other Postretirement Benefits
 3 Months Ended
Jul. 31, 2025
Retirement Benefits [Abstract]  
Pension and Other Postretirement Benefits Pension and Other Postretirement Benefits
The following table shows the components of the net cost recognized for our U.S. pension plans. Similar information for other defined benefit plans is not presented due to immateriality.
Three Months Ended
July 31,
(Dollars in millions)20242025
Service cost$4 $3 
Interest cost9 8 
Expected return on plan assets(10)(9)
Amortization of net actuarial loss
1 1 
Settlement charge— 19 
Net cost$4 $22 
During the three months ended July 31, 2025, we recognized a pension settlement charge of $19 million, triggered by fiscal year-to-date lump-sum payments under certain pension plans surpassing total annual service and interest cost for those plans.