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GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Capitalized Financing Costs Disclosure [Line Items] |  |
Total capitalized financing costs | $ 47 | $ 49
San Diego Gas and Electric Company [Member] |  |
Capitalized Financing Costs Disclosure [Line Items] |  |
Total capitalized financing costs | 17 | 24
Southern California Gas Company [Member] |  |
Capitalized Financing Costs Disclosure [Line Items] |  |
Total capitalized financing costs | $ 11 | $ 13

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- References No definition available. + Details
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- Details
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Period Type: |

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- Details
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Namespace Prefix: |
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