Segment and Related Information (Tables)

9 Months Ended

Sep. 30, 2011

Segment and Related Information [Abstract]

Financial data for business segments

	Electric Utilities
	Traditional
	Operating		Southern							All
	Companies		Power		Eliminations			Total		Other			Eliminations			Consolidated
	(in millions)
Three Months Ended September 30, 2011:
Operating revenues	$	5,145	$	363	$	(97	)	$	5,411	$	38		$	(21	)	$	5,428
Segment net income (loss)*		862		56		—			918		—			(2	)		916
Nine Months Ended September 30, 2011:
Operating revenues	$	13,246	$	950	$	(288	)	$	13,908	$	114		$	(61	)	$	13,961
Segment net income (loss)*		1,805		138		—			1,943		2			(3	)		1,942
Total assets at September 30, 2011	$	52,949	$	3,757	$	(160	)	$	56,546	$	1,431		$	(634	)	$	57,343
Three Months Ended September 30, 2010:
Operating revenues	$	5,066	$	357	$	(124	)	$	5,299	$	40		$	(19	)	$	5,320
Segment net income (loss)*		756		63		—			819		(1	)		(1	)		817
Nine Months Ended September 30, 2010:
Operating revenues	$	13,127	$	862	$	(367	)	$	13,622	$	122		$	(59	)	$	13,685
Segment net income (loss)*		1,713		109		—			1,822		2			(2	)		1,822
Total assets at December 31, 2010	$	51,144	$	3,438	$	(128	)	$	54,454	$	1,178		$	(600	)	$	55,032

* After dividends on preferred and preference stock of subsidiaries

Financial data for products and services

	Electric Utilities’ Revenues
Period	Retail		Wholesale		Other		Total
			(in millions)
Three Months Ended September 30, 2011	$	4,693	$	557	$	161	$	5,411
Three Months Ended September 30, 2010		4,573		566		160		5,299
Nine Months Ended September 30, 2011	$	11,931	$	1,513	$	464	$	13,908
Nine Months Ended September 30, 2010		11,603		1,581		438		13,622