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Capitalization | 9 Months Ended
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Sep. 30, 2024
Debt Disclosure [Abstract] |
Capitalization | Capitalization In May 2024, CECONY issued $400 million aggregate principal amount of 5.375 percent debentures, due 2034 and $1,000 million aggregate principal amount of 5.7 percent debentures, due 2054. In September 2024, O&R issued $125 million aggregate principal amount of 5.41 percent debentures, due 2054. In October 2024, all of the $224.6 million of Series 2010A tax-exempt bonds issued for the benefit of CECONY, bearing interest at a weekly rate, were called for redemption in November 2024. The carrying amounts and fair values of long-term debt at September 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) | $23,688 |  | $22,535 |  | $22,177 |  | $20,525 |
CECONY | $22,446 |  | $21,371 |  | $21,060 |  | $19,517 |
(a)Amounts shown are net of unamortized debt expense and unamortized debt discount of $237 million and $229 million for Con Edison and CECONY, respectively, as of September 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 September 30, 2024 was $61 million and $58 million, respectively. On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses. See Note R and Note S. The fair values of the Companies' long-term debt have been estimated primarily using available market information and at September 30, 2024 are classified as Level 2 liabilities. See Note O.

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