Organization and Basis of Presentation (Details) ton in Millions, MW in Millions, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2016 MW ton Facility	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
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.
Net Interest Expense On Project Debt	$ 3		$ 10
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