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Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2024
Related Party Transactions [Abstract]  
Summary of Costs of Administrative and Other Services Provided and Received
The costs of administrative and other services provided by CECONY to, and received by it from, Con Edison and its other subsidiaries for the years ended December 31, 2024, 2023 and 2022 were as follows:
CECONY (a)
(Millions of Dollars)202420232022
Cost of services provided$147$146$135
Cost of services received828275
(a) On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses. See Note W and Note X.