CALIFORNIA UTILITIES' REGULATORY MATTERS - SCHEDULE OF REGULATORY AMOUNTS 3 (Details) - Southern California Gas Company [Member] - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
36 Months Ended |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2015 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
Dec. 31, 2014 |
| Impact Of 2010 Tax Act [Line Items] |
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| Increase Due To Bonus Depreciation Extension, Net Of Tax |
$ 800
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$ 1,400
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$ 1,800
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$ 11,300
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| Increase Due To Bonus Depreciation Extension, Before Tax |
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$ 6,600
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$ 6,400
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$ 6,300
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$ 6,400
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| First Quarter [Member] |
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| Seasonal Factors [Line Items] |
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| Percentage Revenue Recognized Straight Line |
25.00%
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| Percentage Revenue Recognized Seasonal |
34.00%
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| Second Quarter [Member] |
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| Seasonal Factors [Line Items] |
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| Percentage Revenue Recognized Straight Line |
25.00%
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| Percentage Revenue Recognized Seasonal |
21.00%
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| Third Quarter [Member] |
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| Seasonal Factors [Line Items] |
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| Percentage Revenue Recognized Straight Line |
25.00%
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| Percentage Revenue Recognized Seasonal |
16.00%
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| Fourth Quarter [Member] |
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| Seasonal Factors [Line Items] |
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| Percentage Revenue Recognized Straight Line |
25.00%
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| Percentage Revenue Recognized Seasonal |
29.00%
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