CALIFORNIA UTILITIES' REGULATORY MATTERS - SCHEDULE OF REGULATORY AMOUNTS 2 (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
San Diego Gas and Electric Company and Subsidiary [Member] | Year 2013 [Member]
Utility Incentive Awards [Line Items]
Requested Energy Efficiency Awards	$ 2,500
San Diego Gas and Electric Company and Subsidiary [Member] | Year 2012 and 2013 [Member]
Utility Incentive Awards [Line Items]
Requested Energy Efficiency Awards	7,600
Southern California Gas Company [Member] | Year 2013 [Member]
Utility Incentive Awards [Line Items]
Approved Gas Cost Incentive Mechanism Award, Unrecorded	5,800
Requested Energy Efficiency Awards	1,500
Southern California Gas Company [Member] | Year 2012 and 2013 [Member]
Utility Incentive Awards [Line Items]
Requested Energy Efficiency Awards	5,800
Southern California Gas Company [Member] | Year 2014 [Member]
Utility Incentive Awards [Line Items]
Requested Gas Cost Incentive Mechanism Award	$ 13,700