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Derivative Instruments and Hedging Activities - Credit-Risk-Related Contingent Features (Details) $ in Millions | Sep. 30, 2019 USD ($)
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Derivatives, Fair Value [Line Items] |
Aggregate fair value – net liabilities | $ 112
Collateral posted | 26
Downgrade One Level from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 18
Downgrade to Below Investment Grade from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 123
Derivatives in net asset position additional collateral | 26
CECONY |
Derivatives, Fair Value [Line Items] |
Aggregate fair value – net liabilities | 95
Collateral posted | 20
CECONY | Downgrade One Level from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | 14
CECONY | Downgrade to Below Investment Grade from Current Ratings |
Derivatives, Fair Value [Line Items] |
Additional collateral | $ 92

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624258-113959 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624258-113959 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959 + Details
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