Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					12 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Essex EFW Facility [Member] Minimum [Member]	Mar. 31, 2014 Essex EFW Facility [Member] Maximum [Member]	Mar. 31, 2014 NYC Waste Contract [Member] ton	Dec. 31, 2013 NYC Waste Contract [Member]	Mar. 31, 2014 Metals Project [Member] Essex EFW Facility [Member]	Mar. 31, 2014 Letter of Credit [Member]	Mar. 31, 2014 Surety Bonds [Member]	Mar. 31, 2014 Expiring One Year From Balance Sheet Date [Member]	Mar. 31, 2014 Expiring One Year From Balance Sheet Date [Member] Letter of Credit [Member]	Mar. 31, 2014 Expiring One Year From Balance Sheet Date [Member] Surety Bonds [Member]	Mar. 31, 2014 Expiring After One Year From Balance Sheet Date [Member]	Mar. 31, 2014 Expiring After One Year From Balance Sheet Date [Member] Letter of Credit [Member]	Mar. 31, 2014 Expiring After One Year From Balance Sheet Date [Member] Surety Bonds [Member]	Mar. 31, 2014 Performance Guarantee [Member] Surety Bonds [Member]	Mar. 31, 2014 Closure Costs [Member] Surety Bonds [Member]	Aug. 31, 2004 Lower Passaic River Study Area [Member] Essex EFW Facility [Member]
Loss Contingencies [Line Items]
Number Of Potentially Responsible Parties																		67
Other commitments - net	$ 577							$ 265	$ 312	$ 17	$ 17	$ 0	$ 560	$ 248	$ 312	$ 296	$ 16
Defined Contribution Plan, Cost Recognized	4	4
Estimated Capital Expenditures For Project			75	100	110
Capital Invested In Project					28	23	10
Estimated Capital Improvements					30
Estimated Total Annual Waste					800,000
Contract Duration					20 years
Estimated Investment For Project					$ 140