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Employee Benefit Plans | 3 Months Ended
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Mar. 31, 2023
Retirement Benefits [Abstract] |
Employee Benefit Plans | EMPLOYEE BENEFIT PLANS BancShares sponsors non-contributory defined benefit pension plans for its qualifying employees. The service cost component of net periodic benefit cost is included in salaries and wages while all other non-service cost components are included in other noninterest expense. The components of net periodic benefit cost are as follows:
dollars in millions | Three Months Ended March 31,
| 2023 |  | 2022
Service cost | $ | 2 |  |  | $ | 3 |
Interest cost | 15 |  |  | 11 |
Expected return on assets | (21) |  |  | (22) |
Amortization of prior service cost | — |  |  | — |
Amortization of net actuarial loss | — |  |  | 3 |
Net periodic benefit | $ | (4) |  |  | $ | (5) |

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI https://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI https://asc.fasb.org/topic&trid=2197446 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -URI https://asc.fasb.org/topic&trid=2127225 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI https://asc.fasb.org/topic&trid=2235017 + Details
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- References No definition available. + Details
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