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v3.23.1

Employee Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2023
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs | 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 Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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