Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Shares used to compute diluted earnings per share were as follows:



	Three Months Ended March 31, 2013	Three Months Ended March 31, 2012
	(in millions)
As reported shares	870	868
Effect of options and performance share award units	5	9
Diluted shares	875	877

The following table presents year-to-date changes in stockholders' equity of Southern Company:



	Number of Common Shares			Common Stockholders' Equity			Preferred and Preference Stock of Subsidiaries		Total Stockholders' Equity
	Issued	Treasury		Common Stockholders' Equity			Preferred and Preference Stock of Subsidiaries		Total Stockholders' Equity
	(in thousands)						(in millions)
Balance at December 31, 2012	877,803	(10,035	)	$	18,297		$	707	$	19,004
Net income after dividends on preferred and preference stock	—	—		81			—		81
Other comprehensive income (loss)	—	—		4			—		4
Stock issued	2,638	—		99			—		99
Stock repurchased, at cost	—	—		(18		)	—		(18		)
Cash dividends on common stock	—	—		(426		)	—		(426		)
Other	—	(15	)	—			—		—
Balance at March 31, 2013	880,441	(10,050	)	$	18,037		$	707	$	18,744

Balance at December 31, 2011	865,664	(539	)	$	17,578		$	707	$	18,285
Net income after dividends on preferred and preference stock	—	—		368			—		368
Other comprehensive income (loss)	—	—		6			—		6
Stock issued	3,571	—		157			—		157
Cash dividends on common stock	—	—		(410		)	—		(410		)
Other	—	(6	)	—			—		—
Balance at March 31, 2012	869,235	(545	)	$	17,699		$	707	$	18,406