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Employee Benefits
3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Employee Benefits
NOTE 10Employee Benefits
The components of net periodic benefit cost for the Company’s pension plans were:
 Three Months Ended March 31
(Dollars in Millions)20252024
Service cost$53 $55 
Interest cost103 94 
Expected return on plan assets(147)(146)
Prior service cost (credit) amortization(1)(1)
Actuarial loss (gain) amortization
Net periodic benefit cost(a)
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(a)Service cost is included in compensation and employee benefits expense on the Consolidated Statement of Income. All other components are included in other noninterest expense on the Consolidated Statement of Income.