Segment and Related Information

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

SEGMENT AND RELATED INFORMATION

SEGMENT AND RELATED INFORMATION

Southern Company's reportable business segments are the sale of electricity in the Southeast by the four traditional operating companies and Southern Power. Revenues from sales by Southern Power to the traditional operating companies were $425 million, $359 million, and $371 million in 2012, 2011, and 2010, respectively. The "All Other" column includes parent Southern Company, which does not allocate operating expenses to business segments. Also, this category includes segments below the quantitative threshold for separate disclosure. These segments include investments in telecommunications and leveraged lease projects. All other intersegment revenues are not material. Financial data for business segments and products and services was as follows:

	Electric Utilities
	Traditional Operating Companies		Southern Power		Eliminations			Total		All Other			Eliminations			Consolidated
	(in millions)
2012
Operating revenues	$	15,730	$	1,186	$	(438	)	$	16,478	$	141		$	(82	)	$	16,537
Depreciation and amortization	1,629		143		—			1,772		15			—			1,787
Interest income	21		1		—			22		19			(1		)	40
Interest expense	757		63		—			820		39			—			859
Income taxes	1,307		93		—			1,400		(66		)	—			1,334
Segment net income (loss)*	2,145		175		1			2,321		33			(4		)	2,350
Total assets	58,600		3,780		(129		)	62,251		1,116			(218		)	63,149
Gross property additions	4,813		241		—			5,054		5			—			5,059
2011
Operating revenues	$	16,763	$	1,236	$	(412	)	$	17,587	$	149		$	(79	)	$	17,657
Depreciation and amortization	1,576		124		—			1,700		16			1			1,717
Interest income	18		1		—			19		3			(1		)	21
Interest expense	726		77		—			803		54			—			857
Income taxes	1,217		76		—			1,293		(74		)	—			1,219
Segment net income (loss)*	2,052		162		—			2,214		(8		)	(3		)	2,203
Total assets	54,622		3,581		(127		)	58,076		1,592			(401		)	59,267
Gross property additions	4,589		255		—			4,844		9			—			4,853
2010
Operating revenues	$	16,712	$	1,130	$	(468	)	$	17,374	$	162		$	(80	)	$	17,456
Depreciation and amortization	1,376		119		—			1,495		18			—			1,513
Interest income	22		—		—			22		3			(1		)	24
Interest expense	757		76		—			833		63			(1		)	895
Income taxes	1,039		75		—			1,114		(89		)	1			1,026
Segment net income (loss)*	1,860		131		—			1,991		(11		)	(5		)	1,975
Total assets	51,144		3,438		(128		)	54,454		1,178			(600		)	55,032
Gross property additions	4,029		405		—			4,434		9			—			4,443

* After dividends on preferred and preference stock of subsidiaries.

Products and Services

Electric Utilities' Revenues
Year	Retail		Wholesale		Other		Total
	(in millions)
2012	$	14,187	$	1,675	$	616	$	16,478
2011	$	15,071	$	1,905	$	611	$	17,587
2010	$	14,791	$	1,994	$	589	$	17,374