Environmental (US Superfund Sites Narrative) (Details) (Passaic River, New Jersey [Member], USD $)	0 Months Ended	3 Months Ended
	Apr. 11, 2014	Mar. 31, 2014
Passaic River, New Jersey [Member]
Site Contingency [Line Items]
Number of parties included in USEPA order		70
Number of other entities included in NJDEP Action, greater than		200
EPA proposed remedial alternative, low estimate	$ 365,000,000
EPA proposed remedial alternative, high estimate	3,200,000,000
EPA preferred remedial alternative	$ 1,700,000,000