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v3.21.1

Postretirement benefits (Tables) | 3 Months Ended
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Mar. 31, 2021
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] | The components of net pension and other postretirement benefit costs (benefits) reflected in Net income in the Consolidated statements of operations were as follows:
| Pension Benefit Plans |  | Other Postretirement Benefit Plans
| 2021 |  | 2020 |  | 2021 |  | 2020
Three Months Ended March 31 | U.S. Plans |  | Non-U.S. Plans |  | U.S. Plans |  | Non-U.S. Plans |  |  |  |
(in millions of U.S. dollars) |  |  |  |
Service cost | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | — |
Non-service cost (benefit): |  |  |  |  |  |  |  |  |  |  |
Interest cost | 18 |  |  | 5 |  |  | 25 |  |  | 6 |  |  | — |  |  | 1 |
Expected return on plan assets | (64) |  |  | (11) |  |  | (56) |  |  | (10) |  |  | — |  |  | (1) |
Amortization of net actuarial loss | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |
Amortization of prior service cost | — |  |  | — |  |  | — |  |  | — |  |  | (20) |  |  | (20) |
Settlements | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |
Total non-service cost (benefit) | (46) |  |  | (5) |  |  | (30) |  |  | (4) |  |  | (20) |  |  | (20) |
Net periodic benefit cost (benefit) | $ | (46) |  |  | $ | (4) |  |  | $ | (30) |  |  | $ | (3) |  |  | $ | (20) |  |  | $ | (20) |
The line items in which the service cost and non-service cost (benefit) components of net periodic benefit cost (benefit) are included in the Consolidated statements of operations were as follows:
|  | Pension Benefit Plans |  | Other Postretirement Benefit Plans
Three Months Ended March 31 |  | 2021 |  | 2020 |  | 2021 |  | 2020
(in millions of U.S. dollars) |  |  |  |
Service cost: |  |  |  |  |  |  |  |
Losses and loss expenses |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Administrative expenses |  | 1 |  |  | 1 |  |  | — |  |  | — |
Total service cost |  | 1 |  |  | 1 |  |  | — |  |  | — |
Non-service cost (benefit): |  |  |  |  |  |  |  |
Losses and loss expenses |  | (5) |  |  | (3) |  |  | (2) |  |  | (2) |
Administrative expenses |  | (46) |  |  | (31) |  |  | (18) |  |  | (18) |
Total non-service cost (benefit) |  | (51) |  |  | (34) |  |  | (20) |  |  | (20) |
Net periodic benefit cost (benefit) |  | $ | (50) |  |  | $ | (33) |  |  | $ | (20) |  |  | $ | (20) |

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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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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