GENERAL (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Seasonality [Line Items]
Higher (Lower) Earnings Due To Seasonality	$ (113)	$ (48)
Higher (Lower) Utility Revenue Due to Seasonality	(158)	(67)
Southern California Gas Company [Member]
Seasonality [Line Items]
Higher (Lower) Earnings Due To Seasonality	(113)	(48)
Higher (Lower) Utility Revenue Due to Seasonality	$ (158)	$ (67)