Organization and Basis of Presentation (Details) ton in Millions, MW in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) MW ton Facility	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 15	$ 0
Number Of Reportable Business Segments	1
Segment Reporting, Additional Information about Entity's Reportable Segments	North America, which is comprised of waste and energy services operations located primarily in the United States and Canada.
Deferred Finance Costs, Current, Net			$ 8
Deferred Finance Costs, Noncurrent, Net			$ 40
Energy From Waste Process [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Total Annual Waste Processed | ton	20
Annual Output | MW	10
Energy From Waste Facilities [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Number Of Energy From Waste Facilities | Facility	42
Pittsfield [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 13