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Pension and Postretirement Expense Level 4 (Details) - Weighted Average Rates used to Determine the Benefit Obligations
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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| United States Pension Plans of US Entity, Defined Benefit [Member] |
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| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |
3.70% |
4.40% |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase |
0.00% |
0.00% |
| Foreign Pension Plans, Defined Benefit [Member] |
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| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |
2.20% |
3.60% |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase |
3.00% |
3.00% |
| United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] |
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| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |
3.40% |
4.20% |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase |
0.00% |
0.00% |
| Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year |
7.50% |
7.40% |
| Defined Benefit Plan, Ultimate Health Care Cost Trend Rate |
4.50% |
4.50% |
| Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate |
2029 |
2029 |
| Foreign Postretirement Benefit Plans, Defined Benefit [Member] |
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| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |
6.10% |
7.20% |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase |
0.00% |
0.00% |
| Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year |
6.30% |
6.30% |
| Defined Benefit Plan, Ultimate Health Care Cost Trend Rate |
4.50% |
4.50% |
| Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate |
2030 |
2030 |