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Employee Benefits Schedule of Allocation of Plan Assets (Details) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Actual [Member] | Pension Plans, Defined Benefit [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 67.00% | 68.00%
Debt Securities | 33.00% | 32.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%
Actual [Member] | Other Postretirement Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 58.00% | 63.00%
Debt Securities | 42.00% | 37.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%
Actual [Member] | Non Qualified Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 24.00% | 17.00%
Debt Securities | 1.00% | 6.00%
Insurance contracts | 75.00% | 77.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%
Target [Member] | Pension Plans, Defined Benefit [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 67.00% | 67.00%
Debt Securities | 33.00% | 33.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%
Target [Member] | Other Postretirement Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 58.00% | 72.00%
Debt Securities | 42.00% | 28.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%
Target [Member] | Non Qualified Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity Securities | 16.00% | 17.00%
Debt Securities | 9.00% | 10.00%
Insurance contracts | 75.00% | 73.00%
defined benefit pension plan asset allocation | 100.00% | 100.00%

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- Definition defined benefit pension plan asset allocation total + References No definition available. + Details
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- Definition Portion of Non-qualified benefit plans assets invested in insurance contracts. + References No definition available. + Details
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- Details
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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 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&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=28361610&loc=d3e2446-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + 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) -URI http://asc.fasb.org/extlink&oid=28361610&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)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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