Segment and Related Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Financial data for business segments

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)
Three Months Ended March 31, 2013:
Operating revenues	$	3,668	$	303	$	(86	)	$	3,885	$	35		$	(23	)	$	3,897
Segment net income (loss)(a)(b)	66		29		—			95		(16		)	2			81
Total assets at March 31, 2013	$	58,752	$	3,858	$	(109	)	$	62,501	$	1,075		$	(302	)	$	63,274
Three Months Ended March 31, 2012:
Operating revenues	$	3,449	$	254	$	(114	)	$	3,589	$	38		$	(23	)	$	3,604
Segment net income (loss)(a)	339		29		1			369		2			(3		)	368
Total assets at December 31, 2012	$	58,600	$	3,780	$	(129	)	$	62,251	$	1,116		$	(218	)	$	63,149

(a) After dividends on preferred and preference stock of subsidiaries.

(b) Segment net income (loss) for the three months ended March 31, 2013 includes a $540.0 million pre-tax charge ($333.5 million after tax) for an estimated probable loss on the Kemper IGCC. See Note (B) under "Integrated Coal Gasification Combined Cycle" herein for additional information.

Financial data for products and services

Products and Services

	Electric Utilities' Revenues
	Retail		Wholesale		Other		Total
	(in millions)
Three Months Ended March 31, 2013	$	3,298	$	432	$	155	$	3,885
Three Months Ended March 31, 2012	3,092		349		148		3,589