SUBSEQUENT EVENTS (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Sep. 30, 2015 |
Jul. 31, 2015 |
|
| IEnova [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Ownership Percentage in consolidated entity | 25.00% | |
| Business Acquisition Purchase Price Allocation Equity Method Investment | $ 1,325 | |
| Net Debt Not Assumed By Investee | $ 170 | |
| Ownership percentage before acquisition | 50.00% | |
| Business Acquisition Percentage Of Voting Interests Acquired | 100.00% | |
| Equity Method Investment Ownership Percentage | 50.00% | |
| PEMEX [Member] | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Ownership Percentage in consolidated entity | 50.00% |