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Derivative Instruments and Hedging Activities - Aggregate Fair Value of Companies' Derivative Instruments with Credit-Risk-Related Contingent Features (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Derivatives, Fair Value [Line Items] |
Aggregate fair value – net liabilities | $ 302
Collateral posted | 280
Downgrade One Level from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 41
Downgrade to Below Investment Grade from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 147
Derivatives in net asset position additional collateral | 3
Additional Collateral Required Due To Loss Of Unsecured Credit |
Derivatives, Fair Value [Line Items] |
Collateral posted | 16
CECONY |
Derivatives, Fair Value [Line Items] |
Aggregate fair value – net liabilities | 280
Collateral posted | 280
CECONY | Downgrade One Level from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 24
CECONY | Downgrade to Below Investment Grade from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | $ 117

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- Definition The additional collateral that would be required for derivative instruments that are net assets. + References No definition available. + Details
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- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4H + Details
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4H + Details
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- Definition Fair value of credit risk derivative asset after deduction of credit risk derivative liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4K -Subparagraph (c) -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4K + Details
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