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Pension and Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract] |
Components of Net Periodic Benefit Cost | The components of net periodic benefit cost were as follows:
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Pension benefits |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Service cost |  | $ | 43 |  |  | $ | 44 |  |  | $ | 124 |  |  | $ | 132 |
Interest cost |  |  | 114 |  |  |  | 144 |  |  |  | 358 |  |  |  | 433 |
Expected return on plan assets |  |  | (187 | ) |  |  | (189 | ) |  |  | (558 | ) |  |  | (566 | )
Recognized net actuarial loss |  |  | 104 |  |  |  | 117 |  |  |  | 308 |  |  |  | 352 |
Amortization of prior service cost |  |  | 4 |  |  |  | 4 |  |  |  | 12 |  |  |  | 12 |
Settlements* |  |  | 13 |  |  |  | 13 |  |  |  | 15 |  |  |  | 14 |
Curtailments* |  |  | — |  |  |  | 9 |  |  |  | — |  |  |  | 9 |
Special termination benefits* |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | 12 |
Net periodic benefit cost |  | $ | 91 |  |  | $ | 142 |  |  | $ | 260 |  |  | $ | 398 |
* | Except for Settlements of $2 during the nine months ended September 30, 2016 and $2 in both the third quarter and nine months ended September 30, 2015, these amounts were recorded in Restructuring and other charges on the accompanying Statement of Consolidated Operations (see Note D).
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Other postretirement benefits |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Service cost |  | $ | 3 |  |  | $ | 4 |  |  | $ | 10 |  |  | $ | 11 |
Interest cost |  |  | 16 |  |  |  | 23 |  |  |  | 53 |  |  |  | 69 |
Recognized net actuarial loss |  |  | 8 |  |  |  | 4 |  |  |  | 19 |  |  |  | 13 |
Amortization of prior service benefit |  |  | (6 | ) |  |  | (9 | ) |  |  | (19 | ) |  |  | (28 | )
Curtailments* |  |  | — |  |  |  | (5 | ) |  |  | — |  |  |  | (6 | )
Special termination benefits* |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Net periodic benefit cost |  | $ | 21 |  |  | $ | 17 |  |  | $ | 63 |  |  | $ | 60 |
* | These amounts were recorded in Restructuring and other charges on the accompanying Statement of Consolidated Operations (see Note D).

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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=65897934&loc=d3e1928-114920 + Details
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