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v3.23.1

Employee Benefit Plans | 3 Months Ended
--- | ---
Mar. 31, 2023
Retirement Benefits [Abstract] |
Employee Benefit Plans | Note 13—Employee Benefit Plans Pension and Postretirement Plans
| Millions of Dollars
| Pension Benefits |  | Other Benefits
| 2023 |  | 2022 |  | 2023 |  | 2022
| U.S. |  | Int'l. |  | U.S. |  | Int'l. |  |  |  |
Components of Net Periodic Benefit Cost |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31 |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 13 |  |  | 10 |  |  | 16 |  |  | 13 |  |  | — |  |  | — |
Interest cost | 19 |  |  | 28 |  |  | 12 |  |  | 21 |  |  | 1 |  |  | 1 |
Expected return on plan assets | (15) |  |  | (37) |  |  | (13) |  |  | (34) |  |  |  |  |
Amortization of prior service credit | — |  |  | — |  |  | — |  |  | — |  |  | (9) |  |  | (10) |
Recognized net actuarial loss | 3 |  |  | 17 |  |  | 6 |  |  | 2 |  |  | (1) |  |  | — |
Settlements | 4 |  |  | — |  |  | 4 |  |  | — |  |  |  |  |
Net periodic benefit cost | $ | 24 |  |  | 18 |  |  | 25 |  |  | 2 |  |  | (9) |  |  | (9) |
The components of net periodic benefit cost, other than the service cost component, are included in the "Other expenses" line of our consolidated income statement.

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