Retirement Plans (Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension Benefits [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate - used at year end to value obligation (in hundredths)	4.90%	4.00%	4.50%
Discount rate - used to compute annual cost (in hundredths)	4.00%	4.50%	5.25%
Expected long-term rate of return on plan assets (in hundredths)	8.00%	7.75%	8.00%
Rate of increase in compensation levels (in hundredths)	2.50%	2.50%	2.50%
Postretirement Benefits Other Than Pensions (OPEB) [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate - used to compute annual cost (in hundredths)			5.25%
Postretirement Benefits Other Than Pensions (OPEB) [Member] | Maximum [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate - used at year end to value obligation (in hundredths)	5.20%	4.20%	4.75%
Discount rate - used to compute annual cost (in hundredths)	4.20%	4.75%
Expected long-term rate of return on plan assets (in hundredths)	4.00%	4.00%	6.00%
Postretirement Benefits Other Than Pensions (OPEB) [Member] | Minimum [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate - used at year end to value obligation (in hundredths)	4.90%	4.00%	4.50%
Discount rate - used to compute annual cost (in hundredths)	4.00%	4.50%
Expected long-term rate of return on plan assets (in hundredths)	3.00%	3.00%	3.00%