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 | |||