Credit Exposure Independent System Operators

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- Definition

Credit exposure nonrated counterparties

+ References

No definition available.

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- Definition

Maximum Potential Future Exposure On Credit Risk Derivatives With Commodity Exchange Brokers

+ References

No definition available.

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- Definition

Maximum Potential Future Exposure On Credit Risk Derivatives With Investment Grade Counterparties

+ References

No definition available.

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- Definition

Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions.

+ 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 (b)(1)
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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
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-Section 50
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-Publisher FASB
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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.

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Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2016
Investment Holdings [Line Items]
Energy supply and hedging activities credit exposure total	$ 115
Makeup of net credit exposure with investment-grade counterparties	38
Makeup of net credit exposure independent system operators	32
Makeup of net credit exposure non-investment grade/non-rated counterparties	32
Makeup of net credit exposure with commodity exchange brokers	13
Net liability	97	$ 66
Derivative asset	465	446
Interest Rate Swap
Investment Holdings [Line Items]
Net liability	14	6
Derivative asset	1	2
CECONY
Investment Holdings [Line Items]
Energy supply and hedging activities credit exposure total	11
Makeup of net credit exposure with investment-grade counterparties	5
Makeup of net credit exposure with commodity exchange brokers	6
Derivative asset	433	407
Clean Energy Businesses \| Sempra Solar Holding, LLC \| Interest Rate Swap
Investment Holdings [Line Items]
Net liability	13	5
Clean Energy Businesses \| Coram Wind \| Interest Rate Swap
Investment Holdings [Line Items]
Derivative, fixed interest rate			2.0855%
Derivative asset	$ 1	$ 0