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Pension and Other Postemployment Benefits (Details 7) | 12 Months Ended
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Dec. 31, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 100.00%
Equities |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 38.00%
Fixed income |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 30.00%
Absolute return strategies |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 8.00%
Real estate |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 10.00%
Alternative investments |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 8.00%
Cash |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target Asset Allocations, Percent | 6.00%

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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: 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 Reference 2: 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 + Details
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