XML 169 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jun. 30, 2019
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 1-14514    
Entity Registrant Name Consolidated Edison, Inc.    
Entity Incorporation, State or Country Code NY    
Entity Tax Identification Number 13-3965100    
Entity Address, Address Line One 4 Irving Place,    
Entity Address, City or Town New York,    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10003    
City Area Code (212)    
Local Phone Number 460-4600    
Title of 12(b) Security Common Shares ($.10 par value)    
Trading Symbol ED    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current No    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 29.1
Entity Common Stock, Shares Outstanding   333,775,472  
Amendment Flag false    
Document Fiscal Year Focus 2019    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001047862    
Documents Incorporated by Reference
Documents Incorporated By Reference
Portions of Con Edison’s definitive proxy statement for its Annual Meeting of Stockholders to be held on May 18, 2020, to be filed with the Commission pursuant to Regulation 14A, not later than 120 days after December 31, 2019, is incorporated in Part III of this report.
    
CECONY      
Document Information [Line Items]      
Entity File Number 1-1217    
Entity Registrant Name Consolidated Edison Company of New York, Inc.    
Entity Incorporation, State or Country Code NY    
Entity Tax Identification Number 13-5009340    
Entity Address, Address Line One 4 Irving Place,    
Entity Address, City or Town New York,    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10003    
City Area Code (212)    
Local Phone Number 460-4600    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000023632