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CALIFORNIA UTILITIES' REGULATORY MATTERS - SCHEDULE OF REGULATORY AMOUNTS 2 (Details) (Southern California Gas Company [Member], Year 2014 [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Southern California Gas Company [Member] | Year 2014 [Member]
  
Utility Incentive Awards [Line Items]  
Recognized Gas Cost Incentive Mechanism Award $ 13,700sre_RecognizedGasCostIncentiveMechanismAward
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