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Pension and Other Postemployment Benefits (Details 5) | Dec. 31, 2019 | Dec. 31, 2018
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 100.00% | 100.00%
Equities |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 38.00% | 38.00%
Fixed income |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 30.00% | 30.00%
Hedge funds |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 8.00% | 8.00%
Real estate |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 10.00% | 10.00%
Alternative investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 8.00% | 8.00%
Cash |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Target Asset Allocations, Percent | 6.00% | 6.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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