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Benefit Plans and Other Postretirement Benefits, Expected long-term rate of return (Details) - U.S. plans, Pension Benefits | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Defined Benefit Plan Disclosure |  |  |
Number of years of compounded return | 20 years |  |
Historical compounded return on plan assets (as a percent) | 8.50% |  |
Expected long-term return on assets (as a percent) | 7.75% | 8.00% | 8.00%
Equity securities |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan asset allocation assumption (as a percent) | 60% |  |
Expected long-term return on assets, assumptions (as a percent) | 8.50% |  |
Fixed income securities |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan asset allocation assumption (as a percent) | 40% |  |
Expected long-term return on assets (as a percent) | 6.00% |  |

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- Definition Represents the historical rate of compounded return on pension plan assets. + References No definition available. + Details
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- Definition This element represents the anticipated percentage of expected long-term rate-of-return on assets used to determine the overall expected long-term rate-of-return on assets assumption. + References No definition available. + Details
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- Definition Represents the period in years, compounded return. + References No definition available. + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512046 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Description of target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies. + 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 (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 + Details
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- Details
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- Details
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- Details
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