ORGANIZATION AND BASIS OF PRESENTATION Organization and Basis of Presentation Parenthetical (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Expense (Benefit)	$ (40)	$ 6	$ (30)	$ (8)
NET INCOME (LOSS) ATTRIBUTABLE TO COVANTA HOLDING CORPORATION	(6)	$ 5	$ (43)	(4)
Restatement Adjustment [Member]
Income Tax Expense (Benefit)	$ (5)			4
NET INCOME (LOSS) ATTRIBUTABLE TO COVANTA HOLDING CORPORATION				$ 4
Earnings Per Share, Basic and Diluted				$ 0.04