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Capitalization (Tables) | 12 Months Ended
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Dec. 31, 2023
Debt Disclosure [Abstract] |
Schedule of Long-Term Debt Maturities | Long-term debt maturing in the period 2024-2028 is as follows:
(Millions of Dollars) | Con Edison | (a) |  | CECONY
2024 | $250 |  |  | $250
2025 | — |  |  | —
2026 | 250 |  |  | 250
2027 | 430 |  |  | 350
2028 | 800 |  |  | 800
(a)Amounts shown exclude $62 million of debt for Broken Bow II, a deferred project, which was classified as held for sale as of December 31, 2023 and is shown under “Project Debt Held for Sale" on Con Edison's Consolidated Statement of Capitalization. See "Assets Held for Sale" in Note A and Note X for additional information.
Carrying Amounts and Fair Values of Long-Term Debt | The carrying amounts and fair values of long-term debt at December 31, 2023 and 2022 are:
(Millions of Dollars) | 2023 |  |  | 2022 |  |  |
Long-Term Debt (including current portion) (a) | Carrying Amount |  |  | Fair Value |  |  | Carrying Amount |  | Fair Value |  |  |
Con Edison | $22,177 | (b) |  | $20,525 | (b) |  | $20,796 | (c) | $18,234 | (c) |  |
CECONY | 21,060 |  |  | 19,517 |  |  | 19,080 |  | 16,699 |  |  |
(a)Amounts shown are net of unamortized debt expense and unamortized debt discount of $222 million and $215 million for Con Edison and CECONY, respectively, as of December 31, 2023 and $202 million and $195 million for Con Edison and CECONY, respectively, as of December 31, 2022. (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 and is shown under “Project Debt Held for Sale" on Con Edison's Consolidated Statement of Capitalization. The carrying value and fair value of Broken Bow II's long-term debt, including the current portion, as of December 31, 2023 was $62 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 W and Note X. (c)Amounts shown exclude the debt of the Clean Energy Businesses, that were classified as held for sale as of December 31, 2022. See "Assets Held for Sale" in Note A, and Note X for additional information. The carrying value and fair value of the Clean Energy Businesses’ long-term debt, including the current portion, as of December 31, 2022 was $2,645 million and $2,489 million, respectively. 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.

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