Benefit Plans (Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension Benefits [Member]
Weighted average assumptions used in net periodic benefit cost:
Discount rate	3.99%	4.78%	5.55%
Rate of compensation increase	4.24%	4.29%	4.33%
Long-term rate of return on assets	7.12%	7.37%	7.59%
Weighted average assumptions used in benefit obligations:
Discount rate	4.82%	4.07%
Rate of compensation increase	4.37%	4.39%
Other Retirement Benefits [Member]
Weighted average assumptions used in net periodic benefit cost:
Discount rate	3.50%	4.50%	5.25%
Weighted average assumptions used in benefit obligations:
Discount rate	4.55%	3.50%