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INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Method Investments in Joint Ventures, capitalized interest | $ 17 | $ 8 | $ 34 | $ 16
Sempra Renewables [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Payments To Acquire Equity Method Investments |  |  | 18 | $ 45
Cameron LNG [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Method Investments in Joint Ventures, capitalized interest |  |  | 24 |
Accrued Project Capital Call |  |  | 7 |
Payments To Acquire Equity Method Investments |  |  | 3 |
Sempra Natural Gas [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Payments To Acquire Equity Method Investments |  |  | $ 113 |

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