XML 99 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Mergers, Acquisitions, and Dispositions Purchase Price Allocation Table - ConEdison (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 01, 2016
Sep. 30, 2017
Sep. 30, 2016
Business Acquisition [Line Items]      
Payments to Acquire Businesses, Gross   $ 208 $ 6,896
ConEdison Solutions [Member]      
Business Acquisition [Line Items]      
Payments to Acquire Businesses, Gross $ 257    
Net Working Capital 204    
Property, plant and equipment 2    
Nuclear decommissioning trust funds 6    
Goodwill 100    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 9    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other 1    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 322    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities 65    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 65    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net $ 257