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Pension and Other Postretirement Benefits (Tables) | 3 Months Ended
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Mar. 31, 2018
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Cost | The components of net periodic benefit cost were as follows:
| First quarter ended
| March 31,
| 2018 |  | 2017
Pension benefits |  |  |
Service cost | $ | 20 |  |  | $ | 23 |
Interest cost | 55 |  |  | 58 |
Expected return on plan assets | (77 | ) |  | (83 | )
Recognized net actuarial loss | 42 |  |  | 55 |
Amortization of prior service cost (benefit) | 1 |  |  | 1 |
Curtailments | 5 |  |  | — |
Net periodic benefit cost(1) | $ | 46 |  |  | $ | 54 |
Other postretirement benefits |  |  |
Service cost | $ | 2 |  |  | $ | 2 |
Interest cost | 7 |  |  | 8 |
Recognized net actuarial loss | 2 |  |  | 1 |
Amortization of prior service cost (benefit) | (2 | ) |  | (2 | )
Net periodic benefit cost(1) | $ | 9 |  |  | $ | 9 |
(1) | Service cost was included within Cost of goods sold, Selling, general administrative, and other expenses, and Research and development expenses; curtailments were included in Restructuring and other charges; and all other cost components were recorded in Other expense (income), net in the Statement of Consolidated Operations.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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