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Postretirement Benefit Plans | 3 Months Ended
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Mar. 31, 2019
Compensation And Retirement Disclosure [Abstract] |
Postretirement benefit plans | 6. Postretirement benefit plans Expense related to defined benefit and retiree health care benefit plans is as follows:
| U.S. |  |  | U.S. |  |  | Non-U.S. |
| Defined Benefit |  |  | Retiree Health Care |  |  | Defined Benefit |
For Three Months Ended March 31, | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Service cost | $ |  | 4 |  |  | $ |  | 5 |  |  | $ |  | 1 |  |  | $ |  | 1 |  |  | $ |  | 8 |  |  | $ |  | 9 |
Interest cost |  |  | 9 |  |  |  |  | 9 |  |  |  |  | 3 |  |  |  |  | 4 |  |  |  |  | 11 |  |  |  |  | 12 |
Expected return on plan assets |  |  | (9 | ) |  |  |  | (11 | ) |  |  |  | (4 | ) |  |  |  | (4 | ) |  |  |  | (21 | ) |  |  |  | (17 | )
Recognized net actuarial loss |  |  | 2 |  |  |  |  | 4 |  |  |  |  | — |  |  |  |  | 1 |  |  |  |  | 7 |  |  |  |  | 5 |
Amortization of prior service credit |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | (1 | ) |  |  |  | — |  |  |  |  | — |
Net periodic benefit costs |  |  | 6 |  |  |  |  | 7 |  |  |  |  | — |  |  |  |  | 1 |  |  |  |  | 5 |  |  |  |  | 9 |
Settlement losses |  |  | 3 |  |  |  |  | 2 |  |  |  |  | — |  |  |  |  | — |  |  |  |  | 1 |  |  |  |  | — |
Total, including other postretirement losses | $ |  | 9 |  |  | $ |  | 9 |  |  | $ |  | — |  |  | $ |  | 1 |  |  | $ |  | 6 |  |  | $ |  | 9 |

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- References No definition available. + Details
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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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