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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Assumptions Used to Determine the Benefit Obligation) (Details)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Other Postretirement Benefit Plans, Defined Benefit [Member]
     
Discount rate 4.45% 3.70% 4.85%
Rate of salaried compensation increase 0.00% 0.00% 0.00%
Pension Plans, Defined Benefit [Member]
     
Discount rate 5.10% 4.15% 4.95%
Rate of salaried compensation increase 3.00% 3.50% 3.50%