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DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |
Cash flow hedge gain (loss) to be reclassified within 12 months | $ 22
Maximum length of time hedged in cash flow hedge | 13 years
Equity Method Investee [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Maximum length of time hedged in cash flow hedge | 15 years
San Diego Gas and Electric Company [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Maximum length of time hedged in cash flow hedge | 1 year
San Diego Gas and Electric Company [Member] | Non-controlling interests [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Cash flow hedge gain (loss) to be reclassified within 12 months | $ (2)
Southern California Gas Company [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Cash flow hedge gain (loss) to be reclassified within 12 months | $ (1)

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + 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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- Definition Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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