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Employee Benefit Plans (Assumptions for Benefit Obligation) (Details)
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Pension Benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Weighted average discount rate 3.60% 3.50%  
U.S. Based Pension Benefit Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Weighted average discount rate 4.60% 4.15%  
Rate of increase in future compensation [1] 5.00% 5.00%  
Minimum      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Rate of increase in future compensation 2.00% 2.50% 2.50%
Maximum      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Rate of increase in future compensation 5.00% 5.00% 5.00%
[1] Applicable for U.S. unfunded, nonqualified plan.