OTHER FINANCIAL DATA - GOODWILL (Details) $ in Millions |
9 Months Ended | |||
|---|---|---|---|---|
|
Sep. 30, 2016
USD ($)
| ||||
| Goodwill [Roll Forward] | ||||
| Goodwill, beginning balance | $ 819 | [1] | ||
| Acquisition of business | 1,375 | |||
| Sale of business | (72) | |||
| Foreign currency translation | 28 | |||
| Goodwill, ending balance | 2,150 | |||
| Sempra South American Utilities [Member] | ||||
| Goodwill [Roll Forward] | ||||
| Goodwill, beginning balance | 722 | |||
| Acquisition of business | 0 | |||
| Sale of business | 0 | |||
| Foreign currency translation | 28 | |||
| Goodwill, ending balance | 750 | |||
| Sempra Mexico [Member] | ||||
| Goodwill [Roll Forward] | ||||
| Goodwill, beginning balance | 25 | |||
| Acquisition of business | 1,375 | |||
| Sale of business | 0 | |||
| Foreign currency translation | 0 | |||
| Goodwill, ending balance | 1,400 | |||
| Sempra Natural Gas [Member] | ||||
| Goodwill [Roll Forward] | ||||
| Goodwill, beginning balance | 72 | |||
| Acquisition of business | 0 | |||
| Sale of business | (72) | |||
| Foreign currency translation | 0 | |||
| Goodwill, ending balance | $ 0 | |||
| ||||