CALIFORNIA UTILITIES' REGULATORY MATTERS - NATURAL GAS PIPELINE OPERATIONS SAFETY ASSESSMENTS (Details) - USD ($)
$ in Millions |
9 Months Ended |
12 Months Ended |
|
|
Sep. 30, 2016 |
Dec. 31, 2014 |
Oct. 31, 2016 |
Jun. 11, 2014 |
| Southern California Gas Company [Member] | Pipeline Safety Enhancement Plan [Member] |
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|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Disallowed costs impact on earnings after tax |
|
$ 5.0
|
|
|
| Pipeline safety plan regulatory account |
$ 212.0
|
|
|
|
| Recovery requested, PSEP costs |
180.5
|
|
|
$ 46.0
|
| Southern California Gas Company [Member] | Pipeline Safety Enhancement Plan [Member] | Subsequent Event [Member] |
|
|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Recovery requested, PSEP costs |
|
|
$ 2.0
|
|
| Southern California Gas Company [Member] | Pipeline Safety Enhancement Plan [Member] | Deferred Project Costs [Member] | Subsequent Event [Member] |
|
|
|
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| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Pipeline safety plan regulatory account |
|
|
33.1
|
|
| Southern California Gas Company [Member] | Pipeline Testing/Replacing 1956 to 1961 [Member] |
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|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Disallowed costs impact on earnings after tax |
3.6
|
|
|
|
| San Diego Gas and Electric Company [Member] | Pipeline Safety Enhancement Plan [Member] |
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|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Pipeline safety plan regulatory account |
18.0
|
|
|
|
| Recovery requested, PSEP costs |
14.9
|
|
|
$ 0.1
|
| San Diego Gas and Electric Company [Member] | Pipeline Safety Enhancement Plan [Member] | Subsequent Event [Member] |
|
|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Recovery requested, PSEP costs |
|
|
2.0
|
|
| San Diego Gas and Electric Company [Member] | Pipeline Safety Enhancement Plan [Member] | Deferred Project Costs [Member] | Subsequent Event [Member] |
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|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Pipeline safety plan regulatory account |
|
|
$ 0.1
|
|
| San Diego Gas and Electric Company [Member] | Pipeline Testing/Replacing 1956 to 1961 [Member] |
|
|
|
|
| Public Utilities, General Disclosures [Line Items] |
|
|
|
|
| Disallowed costs impact on earnings after tax |
$ 0.5
|
|
|
|