Business Segments (Tables)

6 Months Ended

Jun. 30, 2011

Business Segments

Financial data by business segment

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Operating revenues:
Regulated electricity segment	$	799	$	800	$	1,447	$	1,411
All other	1		3		2		4
Total	$	800	$	803	$	1,449	$	1,415
Net income attributable to common shareholders:
Regulated electricity segment	$	86	$	88	$	71	$	95
All other (a)	1		27		1		14
Total	$	87	$	115	$	72	$	109

	As of June 30, 2011		As of December 31, 2010
Assets:
Regulated electricity segment	$	12,398	$	12,285
All other (a)	76		108
Total	$	12,474	$	12,393

(a) All other activities relate to APSES, SunCor and El Dorado.