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Capitalization (Tables) | 3 Months Ended
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Mar. 31, 2020
Debt Disclosure [Abstract] |
Carrying Amounts and Fair Values of Long-Term Debt | The carrying amounts and fair values of long-term debt at March 31, 2020 and December 31, 2019 were:
(Millions of Dollars) | 2020 | 2019
Long-Term Debt (including current portion) (a) | Carrying Amount | Fair Value | Carrying Amount | Fair Value
Con Edison | $21,516 | $23,381 | $19,973 | $22,738
CECONY | $16,544 | $18,299 | $14,964 | $17,505
(a) | Amounts shown are net of unamortized debt expense and unamortized debt discount of $197 million and $170 million for Con Edison and CECONY, respectively, as of March 31, 2020 and $178 million and $151 million for Con Edison and CECONY, respectively, as of December 31, 2019.

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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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