CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Property, plant and equipment related to VIE	$ 390	$ 410
Long-term debt related to VIE	$ 307	$ 315
Shareholders' equity:
Preferred stock, shares authorized	50	50
Preferred stock, shares issued	0	0
Common stock, shares authorized	750	750
Common stock, shares outstanding	248	246
San Diego Gas and Electric Company [Member]
Property, plant and equipment related to VIE	$ 390	$ 410
Long-term debt related to VIE	$ 307	$ 315
Shareholders' equity:
Common stock, shares authorized	255	255
Common stock, shares outstanding	117	117
Southern California Gas Company [Member]
Shareholders' equity:
Common stock, shares authorized	100	100
Common stock, shares outstanding	91	91