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Employee Benefit Plans (Assumptions for Benefit Obligation) (Details)
Dec. 31, 2016
Dec. 31, 2015
Pension Benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Weighted average discount rate 2.70% 3.60%
U.S. Based Pension Benefit Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Weighted average discount rate 4.25% 4.60%
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 1.50% 2.00%
Maximum    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Rate of increase in future compensation 5.00% 5.00%
[1] Applicable for U.S. unfunded, nonqualified plan.