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FINANCIAL INFORMATION BY BUSINESS SEGMENTS (Notes)
3 Months Ended
Mar. 31, 2018
Notes To Financial Statements [Abstract]  
FINANCIAL INFORMATION BY BUSINESS SEGMENTS FINANCIAL INFORMATION BY BUSINESS SEGMENTS

We have one reportable segment which comprises our entire operating business. Prior to the first quarter 2018, our reportable segment, North America, was comprised exclusively of waste and energy services located in North America. During the first quarter of 2018, we sold 50% of our Dublin EfW facility to Covanta Europe Assets Limited, our JV with GIG, which resulted in our loss of control, see Note 3. Acquisitions and Dispositions for further information. Subsequent to the sale, results from our equity method investment in the JV and our O&M contract to operate the Dublin EfW facility are now being reviewed by our Chief Operating Decision Maker on a consolidated basis with our North America results. Therefore, we now include the results of our international operations, which consist primarily of our interests in Dublin, in our one reportable segment. This new structure is consistent with how we establish our overall business strategy and assesses performance of our business. The results of our reportable segment are consistent with our consolidated results as presented on our condensed consolidated statements of operations for the three months ended March 31, 2018 and 2017.