INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Schedule of Equity Method Investments [Line Items] | ||
| Equity Method Investments in Joint Ventures, capitalized interest | $ 18 | $ 17 |
| Guarantee Obligations Maximum Exposure | 4,500 | |
| Guarantee Obligations Current Carrying Value | 67 | |
| Sempra Renewables [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Payments To Acquire Equity Method Investments | 15 | 17 |
| Cameron LNG [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Equity Method Investments in Joint Ventures, capitalized interest | 12 | $ 12 |
| Payments To Acquire Equity Method Investments | $ 3 | |