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Employee Benefits | 9 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Employee Benefits |
NOTE 10 | Employee Benefits
The components of net periodic benefit cost for the Company’s pension plans were:
| Three Months Ended September 30 | Nine Months Ended September 30
(Dollars in Millions) | 2025 | 2024 | 2025 | 2024
Service cost | $ | 54 |  | $ | 55 |  | $ | 160 |  | $ | 164 |
Interest cost | 102 |  | 94 |  | 307 |  | 282 |
Expected return on plan assets | (147) |  | (146) |  | (440) |  | (438) |
Prior service cost (credit) amortization | (1) |  | (1) |  | (3) |  | (3) |
Actuarial loss (gain) amortization | 1 |  | 2 |  | 3 |  | 7 |
Net periodic benefit cost(a) | $ | 9 |  | $ | 4 |  | $ | 27 |  | $ | 12 |
(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.

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