v3.2.0.727

DEBT AND CREDIT FACILITIES 2 (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
Debt Instrument [Line Items] |  |
Redemption of industrial development bonds | $ 79 | $ 0
Sempra Natural Gas [Member] |  |
Debt Instrument [Line Items] |  |
Redemption of industrial development bonds | 79 |
Other Long Term Debt, Variable Rate Due 2017 [Member] | San Diego Gas and Electric Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 140 |
Debt Instrument, Interest Rate At Period End | 0.48% |
Debt Instrument, Variable Base Rate | 0.20% |
Other Long Term Debt, Fixed Rate Due 2020 [Member] | Sempra Energy [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 500 |
Debt Instrument, Interest Rate, Stated Percentage | 2.40% |
Other Long Term Debt, Amortizing Fixed Rate Due 2022 [Member] | San Diego Gas and Electric Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 250 |
Debt Instrument, Interest Rate, Stated Percentage | 1.914% |
Other Long Term Debt, Fixed Rate Due 2025 [Member] | Southern California Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 350 |
Debt Instrument, Interest Rate, Stated Percentage | 3.20% |
Other Long Term Debt, Fixed Rate Due June 2018 [Member] | Southern California Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 250 |
Debt Instrument, Interest Rate, Stated Percentage | 1.55% |
Other Long Term Debt, Fixed Rate Due June 2018 [Member] | South America Utilities [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 22 |
Debt Instrument, Interest Rate, Stated Percentage | 5.18% |
Other Long Term Debt Fixed Rate Due May 2018 [Member] | South America Utilities [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 13 |
Debt Instrument, Interest Rate, Stated Percentage | 5.18% |
Other Long Term Debt Fixed Rate Due between 2021 and 2027 [Member] | San Diego Gas and Electric Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument Interest Rate Stated Percentage Rate Range Minimum | 4.90% |
Debt Instrument Interest Rate Stated Percentage Rate Range Maximum | 5.50% |
Planned Early Redemption Of Long Term Debt Instruments | $ 169 |

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