Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2015

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



	Three Months Ended March 31, 2015	Three Months Ended March 31, 2014
	(in millions)
As reported shares	910	890
Effect of options and performance share award units	5	3
Diluted shares	915	893

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		Noncontrolling Interest		Total Stockholders' Equity
	(in thousands)			(in millions)
Balance at December 31, 2014	908,502	(725	)	$	19,949		$	756	$	221	$	20,926
Net income after dividends on preferred and preference stock	—	—		508			—		—		508
Other comprehensive income (loss)	—	—		(15		)	—		—		(15		)
Stock issued	3,094	—		112			—		—		112
Stock-based compensation	—	—		53			—		—		53
Stock repurchased, at cost	—	(2,599	)	(115		)	—		—		(115		)
Cash dividends on common stock	—	—		(478		)	—		—		(478		)
Other	—	(11	)	3			—		—		3
Balance at March 31, 2015	911,596	(3,335	)	$	20,017		$	756	$	221	$	20,994

Balance at December 31, 2013	892,733	(5,647	)	$	19,008		$	756	$	—	$	19,764
Net income after dividends on preferred and preference stock	—	—		351			—		—		351
Other comprehensive income (loss)	—	—		2			—		—		2
Treasury stock re-issued	—	2,404		111			—		—		111
Stock issued	1,340	—		53			—		—		53
Stock repurchased, at cost	—	—		(4		)	—		—		(4		)
Cash dividends on common stock	—	—		(451		)	—		—		(451		)
Other	—	(18	)	—			—		—		—
Balance at March 31, 2014	894,073	(3,261	)	$	19,070		$	756	$	—	$	19,826