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Capitalization - Significant Debt Covenants (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($)
Debt Instrument [Line Items] |
Maximum ratio of consolidated debt to consolidated total capital | 0.52
Covenant principal balance amount limit | $ 100,000,000
CECONY |
Debt Instrument [Line Items] |
Maximum ratio of consolidated debt to consolidated total capital | 0.55
Tax-Exempt Debt | CECONY |
Debt Instrument [Line Items] |
Maximum ratio of consolidated debt to consolidated total capital | 0.65
Term Loan | CECONY |
Debt Instrument [Line Items] |
Covenant principal balance amount limit | $ 150,000,000
Notes |
Debt Instrument [Line Items] |
Maximum ratio of consolidated debt to consolidated total capital | 0.675
Notes | CECONY |
Debt Instrument [Line Items] |
Covenant principal balance amount limit | $ 100,000,000

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Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Balance Type: | na
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- Details
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- Details
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Period Type: |

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- Details
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- Details
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