Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2013

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



	Three Months Ended September 30, 2013	Three Months Ended September 30, 2012	Nine Months Ended September 30, 2013	Nine Months Ended September 30, 2012
	(in millions)
As reported shares	878	876	874	872
Effect of options and performance share award units	3	7	5	8
Diluted shares	881	883	879	880

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	—	—		1,230			—		1,230
Other comprehensive income (loss)	—	—		11			—		11
Treasury stock re-issued	—	1,956		89			—		89
Stock issued	12,046	—		484			49		533
Stock repurchased, at cost	—	—		(19		)	—		(19		)
Cash dividends on common stock	—	—		(1,314		)	—		(1,314		)
Other	—	(30	)	—			—		—
Balance at September 30, 2013	889,849	(8,109	)	$	18,778		$	756	$	19,534

Balance at December 31, 2011	865,664	(539	)	$	17,578		$	707	$	18,285
Net income after dividends on preferred and preference stock	—	—		1,967			—		1,967
Other comprehensive income (loss)	—	—		(1		)	—		(1		)
Stock issued	11,586	—		479			—		479
Stock repurchased, at cost	—	(2,567	)	(117		)	—		(117		)
Cash dividends on common stock	—	—		(1,267		)	—		(1,267		)
Other	—	(38	)	—			—		—
Balance at September 30, 2012	877,250	(3,144	)	$	18,639		$	707	$	19,346