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Capitalization (Tables) | 6 Months Ended
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Jun. 30, 2024
Debt Disclosure [Abstract] |
Carrying Amounts and Fair Values of Long-Term Debt | The carrying amounts and fair values of long-term debt at June 30, 2024 and December 31, 2023 were:
(Millions of Dollars) | 2024 |  | 2023 |
Long-Term Debt (including current portion) (a) | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value |
Con Edison (b) | $23,561 |  | $20,951 |  | $22,177 |  | $20,525 |
CECONY | $22,444 |  | $19,985 |  | $21,060 |  | $19,517 |
(a)Amounts shown are net of unamortized debt expense and unamortized debt discount of $239 million and $231 million for Con Edison and CECONY, respectively, as of June 30, 2024 and $222 million and $215 million for Con Edison and CECONY, respectively, as of December 31, 2023. (b)Amounts shown exclude the debt of Broken Bow II, a deferred project that was classified as held for sale as of December 31, 2023. The carrying value and fair value of Broken Bow II's long-term debt, including the current portion, as of June 30, 2024 was $61 million and $55 million, respectively. On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses. See Note Q and Note R.

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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