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v3.23.1

Postretirement benefit plans | 3 Months Ended
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Mar. 31, 2023
Retirement Benefits [Abstract] |
Postretirement benefit plans | Postretirement benefit plansExpenses related to defined benefit and retiree health care benefit plans are as follows:
| U.S. Defined Benefit |  | U.S. Retiree Health Care |  | Non-U.S. Defined Benefit
For Three Months Ended March 31, | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | $ | 2 |  |  | $ | 4 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 4 |  |  | $ | 7 |
Interest cost | 7 |  |  | 6 |  |  | 4 |  |  | 3 |  |  | 14 |  |  | 10 |
Expected return on plan assets | (6) |  |  | (8) |  |  | (5) |  |  | (4) |  |  | (15) |  |  | (18) |
Recognized net actuarial losses (gains) | 2 |  |  | — |  |  | (1) |  |  | — |  |  | 3 |  |  | — |
Net periodic benefit costs (credits) | 5 |  |  | 2 |  |  | (2) |  |  | — |  |  | 6 |  |  | (1) |
Settlement losses | — |  |  | 2 |  |  | — |  |  | — |  |  | — |  |  | 1 |
Total, including other postretirement losses (gains) | $ | 5 |  |  | $ | 4 |  |  | $ | (2) |  |  | $ | — |  |  | $ | 6 |  |  | $ | — |

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