Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Long-Term Asset Allocation Ranges) (Details)	12 Months Ended
	Dec. 31, 2013
Maximum [Member]
Domestic and International Equities	60.00%
Fixed income securities	60.00%
Alternatives	15.00%
Cash	5.00%
Minimum [Member]
Domestic and International Equities	15.00%
Fixed income securities	35.00%
Alternatives	5.00%
Cash	0.00%