v3.8.0.1

DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details) MWh in Millions, MMBTU in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 MWh MMBTU | Dec. 31, 2017 MWh MMBTU
SDG&E [Member] | Natural gas [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net derivative energy volumes | 33 | 39
SDG&E [Member] | Electricity [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net derivative energy volumes | MWh | 3 | 3
SDG&E [Member] | Congestion revenue rights [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net derivative energy volumes | MWh | 57 | 59
Sempra LNG & Midstream [Member] | Natural gas [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net derivative energy volumes | 5 | 3
Sempra Mexico [Member] | Natural gas [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net derivative energy volumes | 17 | 4

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- Definition Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
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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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- Details
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- Details
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- Details
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- Details
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- Details
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